Education

•   Ph.D. Environmental Science and Engineering, Rice University, Houston, Texas
• M.S. Environmental Science and Engineering, Rice University, Houston, Texas
• M.Sc. (Honors) Chemistry, Birla Institute of Technology and Science, Pilani, India
• B.E. (Honors) Mechanical Engineering, Birla Institute of Technology and Science, Pilani, Indi  a

Professional Experience

Classes

Courses Taught

• CIVE 3331 Environmental Engineering
• CIVE 6378 Principles of Environmental Modeling
• CIVE 6390 Municipal Drinking Water Treatment
• CIVE 6387 Physicochemical Treatment Processes
• CIVE 7397 Membrane Processes for Water Treatment
• ENGI 2334 Introduction to Thermodynamics

Undergraduate Teaching

CIVE 3331 - Fall 2011
Students formed groups to study air pollution in the greater Houston area with assistance from Professors Chellam and Wilson and the engineering librarian Nancy Linden.  Projects (including the written report and oral presentation) were weighted 15% of the total grade.

http://www.youtube.com/watch?v=xH3onZM9WCI
http://www.youtube.com/watch?v=N3eP6sJZr94
http://www.youtube.com/watch?v=WGyOipGQOB0
http://www.youtube.com/watch?v=nS2sYHO7ssM
http://www.youtube.com/watch?v=capNH6EQ_nM
http://www.youtube.com/watch?v=mOVULbSisg0
http://www.youtube.com/watch?v=rU7LJo4ahNc
http://www.youtube.com/watch?v=C9wOsqtAk0o
 

Technical Communications

Below are two videos created by Dr. Chad Wilson, Director of Technical Communcations Across the Curriculum. These videos give tips on writing and editing reports as well as giving presentations. Use them to help you as you work on your own projects.

• Presentations
  • Effective Presentations
  • Revising Reports
• Communications Handouts (.pdf)
  • Grammar Review: Articles and Prepositions
  • Grammar Review: Fragments and RunOns
  • Grammar Review: Subject-Verb Agreement
  • Grammar Review: Understanding Punctuation
  • Guide to Oral Reports
  • List of References for Technical Writing

Awards and Honors

• Member, Board of Directors, Association of Environmental Engineering and Science Professors, July 2013-2016
• Visiting Professor, Environmental Engineering Department, Istanbul Technical University, Istanbul, Turkey, June – August 2011
• Excellence in Review Award, Environmental Science and Technology, 2008
• W.T. Kittinger Outstanding Teacher Award, Cullen College of Engineering, 2007-2008 (College's highest teaching award)
• Outstanding Teacher Award, Cullen College of Engineering, University of Houston, 2006-2007
• Distinguished Service Award for Outstanding Service as Chair of the Masters Thesis Award Subcommittee, Association of Environmental Engineering and Science Professors, 2005
• Certificate of Merit Award at the 228th American Chemical Society National Meeting, 2004
• Outstanding Teacher Award, Cullen College of Engineering, University of Houston, 2003–2004
• Junior Faculty Research Award, Cullen College of Engineering, University of Houston, 2003
• National Science Foundation CAREER award—Disinfection Using Membranes: Optimizing Virus and Disinfection By-Product Control, 2002
• Invited paper in Environmental Science and Technology, Wiesner, M.R. and S. Chellam, 1999. "The Promise of Membrane Technology", 33 (17), 360A
• Doctoral fellowship, Rice University, 1994–1995
• Larson Aquatic Research Scholarship for Ph.D. study, American Chemical Society and American Water Works Association, 1992–1993
• Eleanor and Mills Bennett Fellowship, Rice University, 1992–1994

Student Awards

• Neranga Gamage, 3rd prize in Water Environment Association of Texas, Student Paper Presentation Contest, Fort Worth, TX, 2011
• Neranga Gamage, 1st prize in Southeast Texas section – American Water Works Association, Student Paper Presentations, Houston, TX, February 2011
• Mutiara Ayu Sari, Texas Association of Environmental Professionals (TAEP) Scholarship, Spring 2010
• Appala Raju Badireddy, 1st prize in Water Environment Association of Texas, Student Paper Presentation Contest, San Antonio, TX, 2008
• Ashima Bagga, Graduate Scholarship, Water Environment Association of Texas, 2008
• Ashima Bagga, 3rd prize in Water Environment Association of Texas, Student Paper Presentation Contest, Fort Worth, TX, 2007
• Ashima Bagga, 2nd prize at the Gulf Coast Environmental Challenges and Innovations Conference, Houston, TX 2007
• Pranav Kulkarni, 2nd prize in Water Environment Association of Texas Student, Paper Presentation Contest, Galveston, TX, 2005
• Wendong Xu, Graduate Fellowship Award (El Paso Corp. and Exxon Mobile), 2004
• Rachana Agrawal, 3rd prize in Water Environment Association of Texas, Student Paper Presentation Contest, Corpus Christi, TX, 2003
• Ramesh Sharma, 2nd prize in Water Environment Association of Texas Student, Paper Presentation Contest, San Antonio, TX, 2002

Committees

• Scientific Committee Member, International Water Association (IWA) Regional Conference “Membrane Technology and Water Reuse”, October 18 – 22, 2010, Istanbul, Turkey
• Scientific Committee Member, International Water Association (IWA) Conference, "Particle Separations and Nanoparticles in Water", Duke University, June 3–5, 2009.
• Scientific Committee Member, International Water Association (IWA) Regional Conference on Membrane Technology and Water Reuse, Istanbul, Turkey 2010
• Co-Chair, Ultrafiltration, Nanofiltration, and Reverse Osmosis session, North American Membrane Society Annual Conference, Orlando, FL, May 2007
• Invited participant, Nanotechnology-enabled Water Treatment (NeWT) workshop, Center for Biological and Environmental Nanotechnology, Rice University, Houston, TX, February 2007
• Participant, Center for Sustainability Engineering Workshop, Carnegie Mellon University, July 2006
• Member, AEESP Lectures Sub-Committee, 2006–present
• Invited participant, NSF workshop on “Chemistry and Sustainability”, Pacific Northwest National Labs, Richland, WA, November 2005
• Chair, AEESP Awards Masters Thesis Sub-Committee, 2005
• Member, AEESP Awards Masters Thesis Sub-Committee, 2003–2004
• Reviewer (ad hoc), National Science Foundation (Biocomplexity in the Environment), 2004
• Moderator, Research session on “Membrane Modeling” AWWA Membrane Technology Conference, 2003. Atlanta, GA
• Member, AWWA University Student Activities Committee 2003–present
• Chair, Research Committee, Texas Section AWWA, 2000–2003
• Chair, Research Committee on Membrane Technology, AWWA, 1998–2001
• Member, Research Committee on Particulate Contaminants, AWWA, 1997–present
• Member, AWWA Membrane Technology Conference Planning Committee, 1998 and 2000
• Chair, "Membranes: Surface and Performance" session, American Chemical Society
  221st National Meeting, April 1–5, 2001. San Diego, CA
• Organizer, Research Workshop on "Research Thrusts in Membrane Technologies", AWWA Membrane Technology Conference, March 4–7, 2001. San Antonio, TX
• Chair, "Research II - New Developments and Fundamental Studies" session,
  AWWA Membrane Technology Conference, March 4–7, 2001. San Antonio, TX
• Member, Planning Committee for 2001 AWWA Specialty Conference on Membrane Technology
• Member, EPA panel on Treatment and Monitoring of Drinking Water, September 2001
• Invited Participant, AWWA Research Foundation and US Bureau of Reclamation
  "Membrane Research Needs Workshop", July 27–28, 2000. Golden, CO
• Organizer, Research session on "Disinfection Using Membranes" AWWA Annual Conference and Exposition, 2000. Denver, CO
• Member, Planning Committee for 1999 AWWA Specialty Conference on Membrane Technology
• Chair, Research session on "Membrane Fouling" AWWA Membrane Technology Conference, 1999. Long Beach, CA
• Organizer, research session on "Membrane Modeling" AWWA Annual Conference and Exposition, 1999. Chicago, IL
• Member, Project Advisory Committee for Development of Integrated Adsorbent/Membrane Systems. AWWARF 1998–2001
• Member, Project Advisory Committee for Treatability of Perchlorate-Containing Water by RO and NF. AWWARF 1998–2001
• Member, Technical Working Group for the interpretation of ICR data. U.S. EPA 1998

Research Interests

Ongoing Research

Information on recently completed and on-going research can be found herein.

Funded Research

• Aluminum Electrocoagulation and Electroflotation Pretreatment for Microfiltration: Fouling Reduction and Improvements in Filtered Water Quality. SPONSOR: United States Bureau of Reclamation—Desalination and Water Purification Research and Development Program. Effective dates: 10/1/2010 – 9/31/2013
• Tracking Emissions from On-Road Vehicles: Developing Metal Tracers Based on Measurements in the Washburn Tunnel; SPONSOR: Texas Air Research Center, 1/1/2011 – 7/18/ 2013
• Shape Effects on Microorganism Removal by Microfiltration and Ultrafiltration Membranes, September 2010 - April 2014, SPONSOR: National Science Foundation, Chemical and Biological Separations Program (Collaboration with Ruth Baltus of Clarkson)
• Predictive Models to Aid in the Design of Membrane Systems for Organic Micropollutants Removal, October 2008 – March 2011, SPONSOR: WateReuse Foundation (Principal Investigator Prof. Jorg Drewes of Colorado School of Mines)
• Mitigation of Biological and Inorganic Fouling for Waste Stream Reduction in Membrane Filtration. SPONSOR: Texas Hazardous Waste Reduction Center. Effective dates: January 2009 – December 2012 (Collaboration with Jerry Lin of Lamar)
• Trace Metals Quantification in Coarse Particulate Matter and Apportionment to Industrial Sources, (subproject under overall proposal “Characterization of Eastern Texas Air Quality for the TexAQS-2 Experiment”), Environmental Protection Agency, 5/1/2007 – 4/30/2010
• Metals Analysis for Tracking Particulate Matter Emissions from Mobile Sources and Petroleum Refining Operations in Houston, Texas Air Research Center, 1/1/2008 – 12/31/ 2010
• Development of a Novel Microwave Digestion and ICP-MS Technique to Quantify Platinum Group Metals in Atmospheric Fine Particles, Environmental Institute of Houston, 1/1/2008 – 7/31/2008
• The Role of Extracellular Polymeric Substances in Bacterial Fouling of Membranes, Pacific Northwest National Laboratory, Environmental Molecular Sciences Laboratory (Proposal ID: 26592)
• Investigation of the Role of Trace Metals in Sulfate Aerosol Formation. SPONSOR: Texas Air Research Center. Effective dates: 11/1/2005 – 10/31/2007
• Electrocoagulation Pretreatment for Microfiltration: An Innovative Combination to Enhance Water Quality and Reduce Fouling in Integrated Membrane Systems. SPONSOR: United States Bureau of Reclamation—Desalination and Water Purification Research and Development Program. Effective dates: 10/1/2005 – 9/31/2006
• Atom-beam Nanolithography for Manufacturing Large-areas of a New Class of Membrane Filters. SPONSOR: Texas Higher Education Coordinating Board—Advanced Technology Program. Effective dates: 1/1/2004 – 8/31/2006
• Developing Fine Particulate Matter Source Profiles for the Houston Region. SPONSOR: Texas Air Research Center. Effective dates: 1/1/2004 – 1/1/2006
• Disinfection Using Membranes: Optimizing Virus and Disinfection By-Product Control. SPONSOR: National Science Foundation—Faculty Early Career Development (CAREER) Program, Division of Bioengineering and Environmental Systems. Effective dates: 7/1/2002 – 6/30/2007
• Nanofabrication and Performance Evaluation of a New Class of Membrane Filters for Water Purification. SPONSOR: Texas Higher Education Coordinating Board—Advanced Research Program. (Co-PI: Dr. Paul Ruchhoeft, Dept. Electrical and Computer Engineering, University of Houston). Effective dates: 1/1/2002 – 8/31/2004
• Waste Reduction in Nanofiltration Facilities Employed to Prevent Pollution of Drinking Water by Halogenated Disinfection By-Products. SPONSOR: Texas Hazardous Waste Reduction Center. Effective dates: 1/1/2002 – 12/31/2004
• ICP-MS to Quantify Metals in Fine Particulate Matter in Houston. SPONSOR: Texas Air Research Center. (Co-PI: Matthew Fraser, Rice University) Effective dates: 3/1/2000 – 6/30/2003
• Developing Portable Membrane Systems for Producing Drinking Water in Texas Border Areas. SPONSOR: Texas Higher Education Coordinating Board—Advanced Technology Program. (PI: Dr. Dennis Clifford, Dept. Civil and Environmental Engineering, University of Houston). Effective dates: 1/1/2000 – 8/31/2002
• Characterization of Natural Colloidal Materials in Lake Houston: Impacts on Water Quality and Membrane Treatment. SPONSOR: University of Houston—New Faculty Research Program. Effective dates: 1/1/2000 – 08/31/2000
• Characterization of Natural Colloidal and Organic Materials in Lake Houston. SPONSOR: Environmental Institute of Houston. Effective dates: 1/1/2000 – 07/30/2000
• Equipment Grant: Upgrades to the Vacuum and Injection Systems of the ICP-MS. SPONSOR: Texas Air Research Center. Effective dates: 3/1/2000 – 4/30/2001
• Quality and Membrane Treatability of the Lake Houston Water Supply. SPONSOR: U.S. Geological Survey and Texas Agricultural Experiment Station. Effective dates: 3/1/2000 – 2/28/2001

Presentations

Conference presentations

• Badireddy, A.R., Franer-Burdaz, J., Chellam, S., and Wiesner, M.R., " Bacteriophage Inactivation by UV-A Illuminated Fullerenes: Role of Nanoparticle-Virus Association and Biological Targets,” Poster in Environmental Sciences: Water, Gordon Research Conference, June 24-29, 2012, Holderness, NH.
• Agasanapura, B., R.E. Baltus, and S. Chellam, “Theoretical investigation of hindered transport of rod-shaped particles across microfiltration membranes”, North American Membrane Society Annual Meeting, Membrane Modeling session, New Orleans, LA, June 9-13, 2012.
• Tanneru, C.T. and S. Chellam, “Effect of iron electrocoagulation pretreatment on virus reduction during surface water microfiltration”,  North American Membrane Society Annual Meeting, Microorganism Interactions with Porous Membranes session, New Orleans, LA, June 9-13, 2012.
• Gamage, N. and S. Chellam. “Fouling control during surface water microfiltration by electrochemical pretreatment”, North American Membrane Society Annual Meeting, Membranes for Water Treatment session, New Orleans, LA, June 9-13, 2012.
• Sari, M.A. and S. Chellam. “Comparison of chemical and electrochemical coagulation pretreatment for fouling control in integrated dual membrane systems”, North American Membrane Society Annual Meeting, Membranes for Water Treatment session, New Orleans, LA, June 9-13, 2012.
• Chellam, S., A.R. Badireddy, and N. Cogan. “Bacterial deposition and fouling during dead-end microfiltration”, North American Membrane Society Annual Meeting, Microorganism Interactions with Porous Membranes session, New Orleans, LA, June 9-13, 2012.
• Tanneru, C.T. and S. Chellam. “Mechanisms of virus control during iron electrocoagulation – microfiltration of surface water”, Student Paper in Texas Water 2012, WEAT and Texas Section AWWA Annual Conference April 10-13, 2012, San Antonio, TX.
• Kwon, J., T.H. Stock, and S. Chellam, “Assessment of the inhalation exposures to traffic related air pollutants in public transportation”, International Society of Exposure Science, 21st annual meeting, October 23-27, 2011, Baltimore MD.
• Baltus, R.E., B.N. Agasanapura, and S. Chellam, “Effect of Convective Hindrance on Microfiltration of Rod Shaped Particles”, in Modeling and Computational Approaches for Water Treatment session, AIChE Annual Meeting, October 16 - 21, 2011, Minneapolis, MN.
• Chellam, S., K.S.K. Danadurai, N.J. Spada, and M.P. Fraser, “Influence of Petroleum Refining Operations on Transient Airborne Particulate Matter Levels in Houston, Texas”, American Association for Aerosol Research 30th Annual Conference, October 3-7, 2011, Orlando, FL. 
• Chellam, S., M.P. Fraser, S.K.K. Danadurai, N.J. Spada, J.M. Prospero, “Episodic Increases in PM concentrations In Houston caused by Transatlantic Saharan Dust Transport”, American Association for Aerosol Research 30th Annual Conference, October 3-7, 2011, Orlando, FL. 
• Chellam, S., K.S.K. Danadurai, N.J. Spada, M.P. Fraser, and J.M. Prospero. “Influence of Local and Global Sources on Transient Airborne Particulate Matter Levels in Houston, Texas”, Association of Environmental Engineering and Science Professors’ Education and Research Conference, July 10-12, 2011, University of South Florida, Tampa, FL.
• Chellam, S., C.A. Wilson, and N. Linden. “Integrating Technical Writing and Presentations in Undergraduate Environmental Engineering Curriculum”, in Giving your students an edge: Efficient strategies for teaching writing skills, Association of Environmental Engineering and Science Professors’ Education and Research Conference, July 10-12, 2011, University of South Florida, Tampa, FL.
• Baltus, R.E., B.N. Agasanapura, and S. Chellam, “Modeling the Rejection of Rod Shaped Particles from Porous Membranes: Effect of the Convective Hindrance Factor”, North American Membrane Society Annual Meeting, June 4-8, 2011, Las Vegas, NV
• Bellona, C, K. Budgell, D. Ball, K. Spangler, J. Drewes, and S. Chellam. “Models to Predict Organic Contaminant Removal by RO and NF Membranes”, AWWA Membrane Technology Conference, March 28-31, 2011, Long Beach, CA.
• Gamage, N. and S. Chellam. “Aluminum Electrocoagulation Pretreatment for Surface Water Microfiltration”, Division of Environmental Chemistry, 241st ACS National Meeting & Exposition - March 27-31, 2011, Anaheim, CA.
• Tanneru, C.T., N.P. Gamage, and S. Chellam. “Comparison between Iron and Aluminum Electrocoagulation Pretreatment to Enhance Virus Removal during Surface Water Microfiltration” Texas Association of Environmental Professionals’ 5th Annual Conference “Environmental Challenges and Innovations Conference: Gulf Coast 2011”, Houston, TX, February 10, 2011.
• Gamage, N. and S. Chellam.  “Reductions in Microfilter Fouling with Aluminum Electrocoagulation Pretreatment” Student Paper in Southeast Texas Section AWWA Annual Conference, February 2011, Houston, TX.
• Spada, N.J., K.S.K. Danadurai, S. Chellam, M.P. Fraser, and J.M. Prospero. “North American Dust Influences Airborne Particulate Matter Levels in Houston” Texas Association of Environmental Professionals’ 5th Annual Conference “Environmental Challenges and Innovations Conference: Gulf Coast 2011”, Houston, TX, February 10, 2011.
• Gamage, N. and S. Chellam. “Improvements in Microfilter Performance with Aluminum Electrocoagulation Pretreatment” Student Paper in Texas Water 2011, WEAT and Texas Section AWWA Annual Conference April 5 – 8, 2011, Fort Worth, TX.
• Chellam, S. “Use of Novel Coagulation Technologies for Water Purification” Session: Novel Membrane Materials and Processes for Environmental Applications” in Membrane and Sorption Processes and Technologies Conference, April 21, 2010, Kiev, Ukraine.
• Chellam, S., A. Bagga, and D.A. Clifford. “Electrocoagulation Pretreatment for Microfiltration: A Sustainable Combination to Enhance Water Quality and Reduce Fouling in Integrated Membrane Systems,” Session: Sustainable Processes for Drinking Water and Wastewater Treatment, Division of Environmental Chemistry, 239th ACS National Meeting & Exposition, March 21 – 25, 2010, San Francisco, CA.
• Chellam, S., Badireddy, A.R., E.M. Hotze, and M.R. Wiesner. “Virus Inactivation is Mediated by Reactive Oxygen Species in Photosensitized Fullerol Nanoparticle Suspensions,” Session: Nanotechnology: Enabling Sustainable Solutions for Potable Water, Division of Environmental Chemistry, 239th ACS National Meeting & Exposition, March 21 – 25, 2010, San Francisco, CA.
• Gamage, N. and S. Chellam. “Aluminum electrocoagulation pretreatment for surface water microfiltration”, TAEP Fourth Annual Conference “Environmental Challenges and Innovations Conference: Gulf Coast 2010”, Houston, Texas, February 11, 2010.
• Baltus, R., W. Xu, A.R. Badireddy, and S. Chellam. “Rejection of Rod-Shaped Bacteria From Porous Membranes: Comparison of Experiment to Model Predictions,” Separations Division, AIChE Annual Meeting, November 8 – 13, 2009, Nashville, TN.
• Clements, A.L., B. Buzcu-Guven, M.P. Fraser, P. Kulkarni, and S. Chellam. “Trace Metals and Their Role in Secondary Sulfate Formation,” Poster presentation at the American Association of Aerosol Research, 28th Annual Conference, October 26 – 30, 2009, Minneapolis, MN. 
• Badireddy, A.R., S. Chellam, E.M. Hotze, and M.R. Wiesner.  “Virus Inactivation is Mediated by Reactive Oxygen Species in Photosensitized Fullerol Nanoparticle Suspensions,” International Water Association conference on Particle Separations and Nanoparticles in Water, June 3 – 5, 2009, Durham, NC.
• Baltus, R., W. Xu, A.R. Badireddy, and S. Chellam. “Rejection of Non-Spherical Bacteria and Viruses by Microfiltration Membranes,” 8th World Congress of Chemical Engineering, August 23 – 27, 2009, Montréal, Canada.
• Badireddy, A.R., E.M. Hotze, S. Chellam, P.J.J. Alvarez, and M.R. Wiesner, “Inactivation of Bacteriophages via Photosensitization of Fullerol Nanoparticles,” Poster in “Fresh Ideas” Session at AWWA Annual Conference and Exposition, June 8 – 12, 2008, Atlanta, GA.
• Kulkarni, P., S. Chellam and M.P. Fraser, “Quantification of Fine Particle Emissions from Petroleum Refining Operations in Houston, TX Using Rare Earth Elements as Markers,” Air and Waste Management Association’s Annual Conference, Portland, OR, June 24 – 27, 2008. (Refereed publication)
• Badireddy, A.R. and S. Chellam, 2008.  “Inactivation of Bacteriophages via Photosensitization of Fullerol Nanoparticles.  Student Paper for Texas Water 2008”, WEAT and Texas Section AWWA Annual Conference March 25 – 28, 2008, San Antonio, TX.  (1st place winner in student presentation contest)
• Kulkarni, P., S Chellam, M P Fraser, 2007. “Tracking Petroleum Refinery Emission Events Using Lanthanum and Lanthanides as Elemental Markers for Fine Particulate Matter”, American Geophysical Union Fall meeting, December 10 – 14, 2007, San Francisco, CA.
• Shim, Y. and S. Chellam, 2007. “Steric And Electrostatic Interactions Govern Nanofiltration Of Amino Acids”, Separations Division, AIChE Annual Meeting, November 4 – 9, 2007, Salt Lake City, UT.
• Chellam, S., P. Kulkarni, M.P. Fraser, 2007. “Tracking Petroleum Refinery Emission Events Using Lanthanum And Lanthanides As Elemental Markers For PM2.5”, Environmental Division, AIChE Annual Meeting, November 4 – 9, 2007, Salt Lake City, UT.
• Sharma, R.R. and S. Chellam, 2007. “Temperature Effects On Sieving Characteristics Of Thin-Film Composite Nanofiltration Membranes: Pore Size Distributions And Transport Parameters” Separations Division, AIChE Annual Meeting, November 4 – 9, 2007, Salt Lake City, UT.
• Baltus, R., W. Xu, A.R. Badireddy, and S. Chellam, 2007. “Effect of Bacteria and Virus Shape on Rejection by Microfiltration Membranes: Comparison Of Experiment With Hindered Transport Theory”, Separations Division, AIChE Annual Meeting, November 4 – 9, 2007, Salt Lake City, UT.
• Chellam, S., P. Kulkarni, and M.P. Fraser, 2007.  “Tracking Petroleum Refinery Emission Events using Lanthanum and Lanthanides as Elemental Markers for Airborne Fine Particles”.  Association of Environmental Engineering and Science Professors’ Research and Education Conference, July 28 – August 1, 2007, Blackburg, VA.
• Ruchhoeft, P., K. Han, A. Ruiz, V. Parekh, W. Xu, D. Litvinov, and S. Chellam, 2007. “Fabrication of Microfiltration Membranes with Highly Ordered, Lithographically-defined Pores”. The 17th Biennial Meeting of the International Society for Molecular Recognition, July 8 – 12, 2007, New York University, New York, NY.
• Chellam, S., P.R. Kulkarni, R.K.M. Jayanty, and J.B. Flanagan, 2007. “A Comparison of Multi-elemental Analysis of Airborne Fine Particles Using XRF and ICP-MS: Implications for the Use of Trace Metals in Receptor Modeling”, Developments in PM2.5 Chemical Speciation session, Air and Waste Management Association’s Air Quality Measurement Methods and Technology Symposium, San Francisco, CA, April 30 – May 3, 2007.  (Refereed publication)
• Chellam, S., A.R. Badireddy, S. Yanina, P.L. Gassman, and K.M. Rosso, 2007. “Bismuth Dimercaptopropanol (BisBAL) Inhibits the Expression of Extracellular Polysaccharides and Proteins in Brevundimonas diminuta: Implications for Membrane Microfiltration, North American Membrane Society Annual Meeting, Biomolecule-membrane interactions session, Orlando, FL, May 12 – 16, 2007.
• Baltus, R., W. Xu, A.R. Badireddy, and S. Chellam, 2007. “Effect of Bacteria and Virus Shape on Rejection by Microfiltration Membranes”, North American Membrane Society Annual Meeting, Microfiltration and ultrafiltration session, Orlando, FL, May 12 – 16, 2007.
• Hotze, E.M., A.R. Badireddy, M.R. Wiesner, and S. Chellam, 2007.  Singlet oxygen and superoxide production by three types of aqueous fullerene suspensions.  233rd ACS National Meeting, Chicago, IL, March 25 – 29, 2007.
• Venkataramanan, A., D.A. Clifford, and S. Chellam, 2007.  Comparison of Virus Removal in Electrocoagulation-Microfiltration and Chemical Coagulation-Microfiltration Treatment Systems, Paper in “Universities Forum” Session in AWWA Annual Conference and Exposition.  June 24 – 28, 2007, Toronto, Ontario, Canada.
• Bagga, A., S. Chellam and D.A. Clifford, 2007.  Comparison of Electrocoagulation and Chemical Coagulation for Microfiltration Pretreatment of Natural Water.  Student Paper for Texas Water 2007, WEAT and Texas Section AWWA Annual Conference April 10 – 13, Fort Worth, TX. (3rd place winner in student presentation contest)
• Badireddy, A.R., S. Chellam, S. Yanina, P.L. Gassman, and K.M. Rosso, 2007.  Bismuth Dimercaptopropanol (BisBAL) Inhibits the Expression of Extracellular Polysaccharides and Proteins in Brevundimonas diminuta, Student Paper for Texas Water 2007, WEAT and Texas Section AWWA Annual Conference April 10 – 13, Fort Worth, TX.
• Venkataramanan, A., D.A. Clifford, and S. Chellam, 2007.  Comparison of Virus Removal in Electrocoagulation-Microfiltration and Chemical Coagulation-Microfiltration Treatment Systems, Student Paper for Texas Water 2007, WEAT and Texas Section AWWA Annual Conference April 10 – 13, Fort Worth, TX.  (2nd place winner in student presentation contest)
• Sharma, R.R. and S. Chellam, 2007.  Temperature Effects on the Transport of Water, Uncharged and Charged Solutes across Polymeric Nanofiltration Membranes, AWWA Membrane Technology Conference and Exhibition, March 18 – 21, 2007, Tampa, FL.
• Bagga, A., S. Chellam, and D.A. Clifford, 2007.  Comparison of Electrocoagulation and Chemical Coagulation for Microfiltration Pretreatment of Natural Waters, AWWA Membrane Technology Conference and Exhibition, March 18 – 21, 2007, Tampa, FL.
• Badireddy, A.R. and S. Chellam, 2006. Diffusivity Measurements of Bacteriophages by Gradient Diffusion and Dynamic Light Scattering, Session #66; Colloidal & Interfacial Phenomena in Aquatic Systems in AIChE Annual Meeting, November 12 – 17, 2006, San Francisco, CA.
• Baltus, R., W. Xu, A.R. Badireddy, and S. Chellam, 2006.  Effect of Particle Shape on Rejection Coefficients in Track Etch Membranes, Poster presented at the Gordon Research Conference on Membranes: Materials and Processes, Colby-Sawyer College, August 6 – 11, 2006, New London, NH.
• Chellam, S. and P. Kulkarni, 2006.  Elemental Analysis of Atmospheric Fine Particles at Trace and Ultra-Trace Levels using Microwave Digestion and Inductively Coupled Plasma – Mass Spectrometry, Air and Waste Management Association’s Air Quality Measurement Methods and Technology Symposium, May 9 – 11, 2006, Durham, NC.  (Refereed publication)
• Krause, E.L. and S. Chellam, 2006.  Darcy and non-Darcy Flow across Microfiltration Membranes, Student Paper for Texas Water 2006, WEAT and Texas Section AWWA Annual Conference April 4 – 7, 2006, Austin, TX.
• Kulkarni, P., S. Chellam, and M.P. Fraser, 2005.  Lanthanum and Lanthanides in Atmospheric Fine Particles and their Apportionment to Refinery and Petrochemical Operations in Houston, TX.  Poster session at the 24th Annual American Association for Aerosol Research Conference, October 17 – 21, 2005, Austin, TX.
• Han, K., W. Xu, A. Ruiz, P. Ruchhoeft, and S. Chellam, 2005.  Fabrication of Polymeric Micro- and Ultra-filtration Membrane Filters using Aperture Array Lithography.  Association of Environmental Engineering and Science Professors’ Research and Education Conference, Session O4a, July 24 – 27, 2005, Potsdam, NY.
• Ruiz, A., W. Xu, K. Han, B.A. Raju, P. Ruchhoeft, and S. Chellam, 2005.  Fabrication of Ultra-filtration Membranes with Highly Ordered, Lithographically-defined Pores, Poster session II in the 2nd Conference on Nanoscale Devices and System Integration, April 4 – 6, 2005, Houston, TX.
• Badireddy, A.R. and S. Chellam, 2005.  Investigation of Virus Transport across Microfiltration membranes, Student Paper for Texas Water 2005, WEAT and Texas Section AWWA Annual Conference April 5 – 8, 2005, Galveston, TX.
• Kulkarni, P. and S. Chellam, Predicting Disinfection By-product Formation in Municipal Drinking Water using Artificial Neural Networks.  Student Paper for Texas Water 2005, WEAT and Texas Section AWWA Annual Conference April 5 – 8, 2005, Galveston, TX. (2nd place winner in student presentation contest)
• Shim, Y. and S. Chellam, 2005.  Rejection Behavior of Amino Acids in Terms of Partitioning and Steric Effects.  Paper in “Organic Removal by High-Pressure Membranes” Session TUE11, AWWA Membrane Technology Conference and Exhibition, March 6 – 9, 2005, Phoenix, AZ.
• Han, K., W. Xu, A. Ruiz, P. Ruchhoeft, and S. Chellam, 2005.  Fabrication and Characterization of Polymeric Microfiltration Membrane Filters using Aperture Array Lithography.  Paper in “Advances in Membrane Materials I” Session WED4, AWWA Membrane Technology Conference and Exhibition, March 6 – 9, 2005, Phoenix, AZ.
• Chellam, S. and W. Xu, 2004.  Fouling during Dead-end Microfiltration of Bacterial Suspensions.  228th American Chemical Society National Meeting, Division of Environmental Chemistry, August 22 – 26, 2004, Philadelphia, PA.
• Xu, W., and S. Chellam, 2004.  Impact of Membrane Pore Size on Fouling in Dead-end Microfiltration of Microbial Suspensions.  Student Paper for Texas Water 2004, WEAT and Texas Section AWWA Annual Conference April 6 – 9, 2004, Arlington, TX.
• Kulkarni, P., S. Chellam, and M.P. Fraser, 2004.  Emissions of Fine Particulate Matter from Motor Vehicles: A Tunnel Study in Houston, TX.  American Geophysical Union Joint Assembly (AGU, CGU, SEG, and EEGS), May 17 – 21, Montreal, Canada.
• Xu, W., and S. Chellam, 2004.  Impact of Membrane Pore Size on Fouling in Dead-end Microfiltration of Microbial Suspensions.  78th American Chemical Society Colloid and Surface Science Symposium, June 20 – 23, New Haven, CT.
• Ruchhoeft, P., J. Torres, K. Han, A. Ruiz, V. Sri Charan, J. Bouie, R. Safiullah, L. Allison, J. C. Wolfe, S. Chellam, M. Morgan, J. Chen, and D. Litvinov, 2004.  Aperture Array Lithography, presented at the Gordon Research Conference on Nanostructure Fabrication, July 18 – 23, Tilton, NH.
• Sharma, R.R., and S. Chellam, 2004.  Temperature Effects on Thin-Film Composite Nanofiltration Membranes: Pore Size Distributions, and Transport Parameters.  78th American Chemical Society Colloid and Surface Science Symposium, June 20 – 23, New Haven, CT. 
• Agrawal, R.R. and S. Chellam, 2003.  Changes in Pore Size Distributions and Transport Parameters of Water Treatment Nanofiltration Membranes with Temperature.  Student Paper for Texas Water 2003, WEAT and Texas Section AWWA Annual Conference April 1 – 4, 2003, Corpus Christi, TX.  (3rd prize winner in student presentation contest)
• Shetty, G.R. and S. Chellam, 2003.  Predicting Contaminant Removal during Nanofiltration Using Artificial Neural Networks.  Paper in “Research II – Modeling” Session M7, AWWA Membrane Technology Conference and Exhibition, March 2 – 5, 2003, Atlanta, GA.
• Zhu, B., D.A. Clifford, and S. Chellam, 2003.  Virus and NOM Removal by Electrocoagulation-Microfiltration.  Paper in “Research III – Water Quality” Session W3, AWWA Membrane Technology Conference and Exhibition, March 2 – 5, 2003, Atlanta, GA.
• Ghurye, G., P. Kulkarni, M.P. Fraser, and S. Chellam.  2002.  in Situ Generation of Hydrofluoric Acid for the Digestion of Atmospheric Particulate Matter.  21st Annual American Association for Aerosol Research Conference, October 7 – 11, 2002, Charlotte, NC. 
• Xu, W., S. Chellam and D.A. Clifford, 2002.  Modeling and Experimental Verification of Dead-end Membrane Filtration of Coagulated Suspensions.  Paper in “Universities Forum II” Session TUE17, in AWWA Annual Conference and Exposition.  June 16 – 20, 2002, New Orleans, LA.
• Sharma, R.R. and S. Chellam, 2002.  Diffusive Transport of Organic Compounds across Nanofiltration and Microfiltration Membranes.  Student Paper for Texas Water 2002, WEAT and Texas Section AWWA Annual Conference April 2 – 5, 2002, San Antonio, TX.  (2nd prize winner in student presentation contest)
• Chellam, S. and S.W. Krasner, 2002.  Formation and Speciation of Trihalomethanes and Haloacetic Acids in Chlorinated Nanofiltered Waters.  Paper in “DBP and Distribution Systems” research session THUR7, in AWWA Annual Conference and Exposition.  June 16 – 20, 2002, New Orleans, LA.
• Sharma, R. and Chellam, S. 2001.  Effect of Process Variables on Membrane Molecular Weight Cut Off Determination and Implications for NOM Rejection by Nanofiltration.  Paper in Research Session III “Pretreatment Studies” T5.  In AWWA Membrane Technology Conference, March 4 – 7, 2001, San Antonio TX.
• Chellam, S. 2001.  Nanofiltration for Disinfection By-Product Control: Removal, Speciation, and Surrogates.  American Chemical Society 221st National Meeting, April 1 – 5, 2001.  San Diego, CA.
• Chellam, S. 2001.  Quantifying Diffusion Limited Disinfection By-Product Precursor Transport Across Nanofiltration Membranes.  Paper in Research Session I “Water Quality” M5.  In AWWA Membrane Technology Conference, March 4 – 7, 2001, San Antonio TX.
• Mulford, L.A. J.S. Taylor, D.G. Linton, D.M. Nickerson, and S. Chellam, 2001.  Predicting Membrane System Water Quality Using an Integrated Diffusion Model. Paper in Poster Session, in AWWA Membrane Technology Conference, March 4 – 7, 2001, San Antonio TX.
• Chellam, S. 2000.  Disinfection By-Product Precursor Removal by Nanofiltration.  Proceedings of the AWWA Annual Conference and Exposition.  June 11 – 15, Denver, CO.
• Haas, C.N. D. D'Andrea, J. Dmochowski, J. Jacangelo, S. Chellam, and C. P. Gerba, 1999.  Inactivation of Mycobacterium fortuitum by Free Chlorine. Proceedings of the AWWA Water Quality Technology Conference, Oct. 31 – Nov. 3, Tampa, FL.
• Haas, C.N. J.G. Jacangelo, S. Chellam, C. Gerba, D.L. D’Andrea, and J.E. Dmochowski, 1999.  Inactivation of Legionella pneumophila by Free Chlorine.  Proceedings of the 1999 International Symposium on Waterborne Pathogens, Aug. 29 – Sept. 1, Milwaukee, WI.
• Chellam, S.  1999.  Effects of Water Quality, Operating Conditions, and Membrane Type on Solute Rejection by Nanofiltration Membranes Evaluated under ICR Requirements.  Proceedings of the AWWA Annual Conference and Exposition.  June 20 – 24. Chicago, IL.
• Chellam, S. M.R. Wiesner, and J.G. Jacangelo, 1999.  Particle Fouling of Membrane Filters Operated in Crossflow and Direct Flow. Proceedings of the AWWA Particle Measurement and Characterization in Drinking Water Symposium, March 28 – 30, Nashville, TN. 
• Atencio, M., S. Chellam, and S. Adham 1999.  Treatment of Utah Lake Water with Membrane Processes.  Presented at the American Water Works Association, Membrane Technologies in the Water Industry Conference, Feb. 28 – Mar 3, Long Beach, CA.
• Chellam, S. and J.G. Jacangelo, 1999.  Critical Recovery Concept in Constant Flux MF and Effects of Operational Mode on MF Performance.  Presented at the American Water Works Association, Membrane Technologies in the Water Industry Conference, Feb. 28 – Mar 3, Long Beach, CA.
• Jacangelo, J.G., S. Chellam, and T.P. Bonacquisti, 1999.  Impact of Fouling on Costs of Integrated Double Membrane System for Treatment of Surface Water. Presented at the American Water Works Association, Membrane Technologies in the Water Industry Conference, Feb. 28 – Mar 3, Long Beach, CA.
• Chellam, S., E.A. Landsberg, D.R. Wilkes, and J.G. Jacangelo, 1998.  Impact of Water Quality on Nanofiltration Performance under the Requirements of the ICR for the Rapid Bench-Scale Membrane Test.  Presented at the Virginia Section of the AWWA, Annual Conference, Oct. 15 – 16, Roanoke, VA.
• Chellam, S., J.T. Abrajano, J.A. Wilson, and G. Greer, 1998.  ICR Testing – Caloosahatchee River, Lee County, Florida.  ICR Water Quality Program, Florida Section AWWA Annual Conference, Nov. 8 – 11, Orlando, FL.
• Chellam, S., J.T. Abrajano, B. Fierle, R. Boyce, 1998.  A Comparison of Permeate Water Quality and Membrane Fouling Obtained by Bench-Scale ICR Testing and at Full-Scale for the City of Hollywood. ICR Water Quality Program, Florida Section AWWA Annual Conference, Nov. 8 – 11, Orlando, FL.
• Johnson, R.L., P.L. Waller, S. Chellam, and B. Baird, 1998 Tampa Water Resource Recovery Project, Ozonation for Indirect Reuse. Presented at the International Ozone Association Pan American Group Conference, Oct. 18 – 21, Vancouver, BC. Canada.  p. 549 – 559.
• Chellam, S., and J.G. Jacangelo, 1998.  Fouling of Microfilters in Direct Flow: Comparison of Constant Pressure and Constant Flux Operation.  Presented at the American Water Works Association, Annual Conference and Exposition, June 21 – 25, Dallas, TX. Volume C, p. 27 – 33.
• Chellam, S., J.G. Jacangelo, and D. Haddaway, 1997.  Bench-Scale Evaluation of Nanofiltration for DBP Precursor Removal under the Requirements of the ICR.  Presented at the American Water Works Association, Water Quality Technology Conference.  Nov. 7 – 11, Denver, CO.
• Chellam, S., J.G. Jacangelo, and R.R. Trussell, 1997.  Pressure-Driven Membrane Technologies for Drinking Water Treatment in the United States.  Presented at the 15th Annual Membrane Technology/ Separations Planning Conference, Business Communications Co., Inc. Oct. 27 – 29, Newton, MA.
• Chellam, S., J.G. Jacangelo, T.P. Bonacquisti, and B.W. Long, 1997.  Mathematical Modeling of Outside-in, Hollow-Fiber Microfiltration with Periodic Backwashing Using Compressible Cake Filtration Theory. Presented at the American Water Works Association, Annual Conference and Exposition, June 15-19, Atlanta, GA.  Volume C, p. 33 – 44.
• Schauer, B.A., D. Brinkman, S. Chellam, C. Triolo, and J.G. Jacangelo, 1997.  Membrane Treatment – An Emerging Technology for Surface Water Treatment: The Lorton Pilot Experience.  Presented at the American Water Works Association, Annual Conference and Exposition, June 15 – 19, Atlanta, GA. Volume D, p. 413 – 426.
• Chellam, S., J.G. Jacangelo, T.P. Bonacquisti, and B.W. Long, 1997.  Effect of Operating Conditions and Pretreatment for Nanofiltration of Surface Water. Presented at the American Water Works Association, Membrane Technologies in the Water Industry, Feb. 22 – 26, New Orleans, LA. p. 215 – 231.
• Chellam, S., and M.R. Wiesner, 1997.  Particle Transport and Permeate Flux Behavior in Crossflow Membrane Filters. Presented at the American Water Works Association, Membrane Technologies in the Water Industry, Feb. 22 – 26, New Orleans, LA. p. 761 – 764.
• Chellam, S., J.G. Jacangelo, and D. Haddaway, 1997.  Bench-Scale Evaluation of Nanofiltration for DBP Precursor Removal Under the Requirements of the ICR: Results for the City of Portsmouth. Presented at the Chesapeake Section of the AWWA, Annual Conference, Sept. 23 – 26, Gaithersburg, MD.
• Jacangelo, J.G., S.S. Adham, and S. Chellam, 1996.  Dual Membrane Systems for Water Treatment and Water Reuse: Disinfection Efficacy.  Presented at the UNESCO Centre for Membrane Science and Technology.  Water Reuse for the Community and Industry:  Latest Developments and Future Directions.  Aug. 1, 1996, University of New South Wales, Sydney, Australia.
• Chellam, S., J.G. Jacangelo, T.P. Bonacquisti, and B.W. Long, 1996.  Assessment of a Bench Scale Test for the Prediction of Performance of Transverse Flow, Hollow Fiber Microfiltration.  American Water Works Association, Water Quality Technology Conference.  Nov. 17 – 21, Boston, MA. 
• Bonacquisti, T.P., S. Chellam, B.W. Long, and J.G. Jacangelo, 1996.  Efficacy of Dual Membrane Systems for Removal of Disinfection by-Product Precursors.  Presented at the Virginia Section of the AWWA, Annual Conference, Oct. 15 – 18, Norfolk, VA.
• Chellam, S., E.A. Landsberg, D. Brinkman, T.P. Bonacquisti, and D.R. Wilkes, 1996.  Pilot Scale Evaluation of Ozonation Design Parameters for Surface Water.  Presented at the Chesapeake Section of the AWWA, Annual Conference, Sept. 3 – 6, Ocean City, MD.
• Chellam, S., J.G. Jacangelo, T.P. Bonacquisti, and B.W. Long, 1996.  Impact of Natural Colloidal Material on Fouling of Hollow Fiber Microfiltration Membranes.  Presented at the American Chemical Society, National Meeting (Division of Environmental Chemistry), Aug. 25 – 29, Orlando, FL. p. 97 - 99.
• Chellam, S., J.G. Jacangelo, T.P. Bonacquisti, and B.W. Long, 1996.  Efficacy of Dual Membrane Systems for Removal of DBP precursors from Surface Water. Presented at the American Water Works Association, Annual Conference and Exposition, June 23-27, Toronto, Canada. p. 729 – 742.
• Wilkes, D.R., S. Chellam, B.W. Long, T.P. Bonacquisti, and J.G. Jacangelo, 1996.  Conventional Treatment as a Pretreatment for Nanofiltration:  Impact of DBP precursor Removal, Fouling and Facilities Design. Presented at the American Water Works Association, Annual Conference and Exposition, June 23-27, Toronto, Canada.  p. 1041 – 1068.
• Chellam, S., and M.R. Wiesner, 1994.  Dilute Suspension Transport and Permeate Flux Behavior in Crossflow Membrane Filters Operating in Laminar Flow. In Proceedings, American Water Works Association, Annual Conference and Exposition, June 19-23, New York, NY. p. 1031 – 1043.
• Chellam, S., and M.R. Wiesner, 1992.  Physicochemical Aspects of Particle Motion in Crossflow Membrane Filters. In Proceedings, American Water Works Association, Annual Conference and Exposition, June 18-22, Vancouver, BC. p. 391 – 397.
• Chellam, S., and Wiesner, M.R. 1992.  Particle Transport and Colloidal Fouling of Crossflow Membrane Filters.  Presented at the Texas Section of the Water Environment Federation, Annual Conference, Dallas, TX.
• Wiesner, M.R., and S. Chellam, 1991.  Mass Transport and Colloidal Fouling in Pressure-Driven Membrane Processes: Considerations in Potable Water Treatment. In Proceedings, American Water Works Association, Annual Conference and Exposition, June 23-27, Philadelphia, PA. p. 889 – 914.
• Chellam, S., and M.R. Wiesner, 1991.  A First Principles Approach towards Understanding Concentration Polarization. In American Water Works Association Seminar Proceedings, Membrane Technologies in the Water Industry, Mar. 10-13, Orlando, FL. p.  675 – 689.

Invited conference presentations

• Membrane Biofouling and Virus Inactivation by Fullerol Nanoparticles, Keynote addresses at EnviroVision 2010 the Annual Conference of the Indian Environmental Association, IIT-Bombay, November 25 - 27, 2010, Mumbai, India.
• Identifying Fine and Coarse Particulate Matter Emissions from Industrial Sources, (2010) Texas Commission on Environmental Quality (TCEQ) Annual air investigators training sessions, October, San Antonio, TX.
• Electrocoagulation and membrane filtration: Emerging Technologies for Produced Water Treatment, (2009) Petroleum Environmental Research Forum (PERF), November 17 – 19, Houston, TX.
• Bacterial Fouling of Microfiltration Membranes, (2009) Keynote address at the International Water Association conference on “Particle Separations and Nanoparticles in Water”, June 3 – 5, 2009, Duke University, Durham, NC.
• Selected Aspects of Microfiltration and Nanofiltration Related to Fabrication, Fouling, and Permselectivity, Advances in Membrane Research session, American Water Works Association’s Water Quality Technology Conference, November 16 – 19, 2008, Cincinnati, OH.
• Municipal water treatment using membranes: An academic perspective, (2007) Keynote address at the Seoul International Symposium on Waterworks Technology, Seoul, South Korea, August 28 – 29, 2007.
• Mechanisms and Control of Biological Fouling of Microfiltration Membranes, (2007) Fouling Phenomena in Water Quality Applications session, AIChE National Meeting November 4 – 9, 2007, Salt Lake City, UT.
• Towards a Better Understanding of Seasonal Effects on Nanofiltration Membrane Performance: Water Permeability and Sieving, (2004) French-Texan Workshop on Potable Water and Water Treatment. Sponsored by The Office of Science and Technology of the French Embassy in the USA and The Environmental and Energy Systems Institute of Rice University. Rice University, January 12 – 13, 2004.
• Panelist in Research Workshop, The Future of Desalination in Texas, April 9th 2003, University of Texas, Austin, TX.
• Scale-Up Methodology For Municipal Water Nanofiltration Based on Permeate Water Quality, (2003) Pre-Conference workshop on "Membrane Scale-Up", AWWA Membrane Technology Conference and Exhibition, March 2-5, 2003, Atlanta, GA.
• Quality and Menbrane Treatability of the Lake Houston Water Supply, (2001) Texas Agricultural Experiment Station, College Station, TX. (with R.R. Sharma)
• Disinfection By-Product Precursor Removal by Nanofiltration, (2000) Disinfection Using Membranes in "AWWA Annual Conference and Exposition," Denver, CO.
• How Cl2 Disinfects, How SO2 Dechlorinates, and Their Effects on Receiving Streams. (1999) Advanced Topics Session in "TNRCC Water Quality Inspector Annual Training Seminar," Houston, TX.
• Particle Fouling of Pilot-Scale Low Pressure Membrane Filters. (1999) "Membrane Modeling—From Concepts to Practice," AWWA Annual Conference and Exposition, Chicago, IL.
• The Emerging Role of Membrane Filtration in Water Treatment. (1998) "Changing Role of Turbidity and Particle Removal in the Water Treatment Industry," University of Richmond, Richmond, VA.

Invited Academic Seminars

Texas A&M University at Qatar, Chemical Engineering Program, March 2013

Anna University, Department of Chemical Engineering, June 2012

İstanbul Teknik Üniversitesi, Istanbul, Turkey, Department of Environmental Engineering, July 2011

Gebze Yüksek Teknoloji Enstitüsü, Gebze, Turkey, Department of Environmental Engineering, June 2011

İstanbul Teknik Üniversitesi, Istanbul, Turkey, Avrasya Yer Bilimleri Enstitüsü, June 2011

Duke University, Durham, NC, Center for Environmental Implications of Nanotechnology, February 2011

Anna University, Department of Chemical Engineering, July 2009

Sri Ramachandra University, Department of Environmental Health Engineering, July 2009

University of Illinois at Urbana Champaign, The Center for Advanced Materials for the Purification of Water with Systems (WaterCAMPWS), March 2009

University of Houston, Houston, TX, Department of Earth and Atmospheric Sciences, February 2009

Rice University, Department of Civil and Environmental Engineering, November 2008

University of Texas at Austin, Department of Civil and Environmental Engineering, August 2008

Carnegie Mellon University, Pittsburgh, PA, Department of Civil and Environmental Engineering, April 2008

Howard University, Washington D.C., Department of Civil and Environmental Engineering, March 2008

Lamar University, Beaumont, TX, Department of Chemical Engineering, February 2008

Duke University, Durham, NC, Department of Civil and Environmental Engineering, October 2007

University of North Carolina, Chapel Hill, NC, Department of Environmental Sciences and Engineering, October 2007

Colorado School of Mines, Golden, CO, Department of Environmental Science & Engineering, September 2007

Korea University, Seoul, Department of Civil, Architectural, and Environmental Engineering, South Korea, August 2007

Montana State University, Bozeman, MT, Center for Biofilm Engineering, April 2007

Johns Hopkins University, Baltimore, MD, Center for Environmental and Applied Fluid Mechanics, February 2007

Johns Hopkins University, Baltimore, MD, Department of Geography and Environmental Engineering, February 2007

Washington University at St. Louis, MO, April 2006

Michigan State University, East Lansing, MI, April 2006

Purdue University, West Lafayette, IN, February 2006

Clarkson University, Potsdam, NY, January 2006

Texas A&M University, College Station, TX, October 2004

Purdue University, West Lafayette, IN, January 2004

University of Minnesota, Minneapolis, MN, November 2003

Rice University, Houston, TX, November 2000

Johns Hopkins University, Baltimore, MD, April 1999

University of North Carolina, Chapel Hill, April 1999

University of Cincinnati, Cincinnati, OH, February, 1999

University of Houston, Houston, TX, September 1998

University of California at Los Angeles, Los Angeles, CA, November 1997

Anna University, Madras, India, September 1997

Indian Institute of Technology, Bombay, India, September 1997

The Johns Hopkins University, Baltimore, MD, February 1996

Howard University, Washington DC, October 1995

North Carolina State University, Raleigh, NC, March 1995

University of California at Berkeley, Berkeley, CA, March 1994

Selected Publications

•  Tanneru, Charan; Rimer, Jeffrey; Chellam, Shankar TanneruT Clements, A.L., B. Buzcu-Guven, M.P. Fraser, P. Kulkarni, and S. Chellam (2013). Role of Particulate Metals in Heterogeneous Secondary Sulfate Formation.  Atmospheric Environment, 75 233-240.
• Basavaraju, A.N., R.E. Baltus, C.T. Tanneru, and S. Chellam (2013). Membrane Rejection of Non-spherical Particles: Modeling and Experiment. AIChE Journal, In press.
• Badireddy, A.R., S.M.Marinakos, S. Chellam, and M.R. Wiesner (2013). Lipophilic Bismuth Nanoparticles Inhibit Bacterial Growth, Attachment, and Impairs Biofilms. Surface Innovations, In press.
• Tanneru, C.T., J.D. Rimer, and S. Chellam (2013). Sweep flocculation and adsorption of viruses on aluminum flocs during electrochemical treatment prior to surface water microfiltration. Environmental Science and Technology, 47 (9), 4612-4618.
• Sari, M.A. and S. Chellam (2013). Surface Water Nanofiltration Incorporating (Electro)coagulation Pretreatment for Microfiltration: Fouling Control and Membrane Characterization. Journal of Membrane Science, 437 249-256.
• Bozlaker, A., B. Buzcu-Güven, M.P. Fraser, and S. Chellam (2013). Insights into PM10 Sources in Houston, Texas:  Role of Petroleum Refineries in Enriching Lanthanoid Metals during Episodic Emission Events, Atmospheric Environment. 69 109-117.
• Bensalah, N., S. Chellam, and A. Abdel-Wahab (2013). Electro-Fenton treatment of photographic processing wastewaters, CLEAN - Soil, Air, Water. DOI 10.1002/clen.201200521
• Kurt, E., D.Y. Imer, N. Dizge, S. Chellam, and I. Koyuncu (2012). Pilot-Scale Evaluation of Nanofiltration and Reverse Osmosis for Process Reuse of Segregated Textile Dyewash Wastewater, Desalination. 302 24-32.
• Spada, N.J., A. Bozlaker, and S. Chellam (2012). Multi-Elemental Characterization of Tunnel and Road Dusts in Houston, TX using DRC-q-ICP-MS: Evidence for the Release of Platinum Group and Anthropogenic Metals from Motor Vehicles, Analytica Chimica Acta. 735 1-8. (cover feature and rated as being "exceptionally high quality" by the Editor)
• Badireddy, , A.R., J.F. Budarz, S. Chellam, and M.R. Wiesner (2012). Bacteriophage Inactivation by UV-A Illuminated Fullerenes: Role of Nanoparticle-Virus Association and Biological Targets, Environmental Science and Technology. 46 (11) 5963-5970.
• Gamage, N.P., J.D. Rimer, and S. Chellam (2012). Improvements in Permeate Flux by Aluminum Electroflotation Pretreatment during Microfiltration of Surface Water, Journal of Membrane Science. 411-412 45-53.
• Tanneru, C.T. and S. Chellam (2012). Mechanisms of Virus Control during Iron Electrocoagulation - Microfiltration of Surface Water, Water Research, 46 2111-2120.
• Liu, L., J. Liu, B. Gao, F. Yang, and S. Chellam (2012). Fouling Reductions in a Membrane Bioreactor using an Intermittent Electric Field and Cathodic Membrane Modified by Vapor Phase Polymerized Pyrrole, Journal of Membrane Science, 394-395 202-208.
• Chellam, S. and N.G. Cogan (2011). Colloidal and Bacterial Fouling during Constant Flux Microfiltration: Comparison of Classical Blocking Laws with a Unified Model Combining Pore Blocking and EPS Secretion, Journal of Membrane Science, 382(1-2) 148-157.
• Gamage, N.P. and S. Chellam (2011). Aluminum Electrocoagulation Pretreatment Reduces Fouling during Surface Water Microfiltration, Journal of Membrane Science, 379 (1-2) 97-105.
• Badireddy, A.R. and S. Chellam (2011). Bismuth Dimercaptopropanol (BisBAL) Inhibits Formation of Multispecies Wastewater Flocs, Journal of Applied Microbiology, 110 (6) 1426-1437.
• Danadurai, S.K.K, S. Chellam, C-T. Lee, and M.P. Fraser, (2011). Trace Elemental Analysis of Airborne Particulate Matter using Dynamic Reaction Cell Inductively Coupled Plasma – Mass Spectrometry: Application to Monitoring Episodic Industrial Emission Events. Analytica Chimica Acta, 686 (1-2) 40-49.
• Bellona, C, K. Budgell, D. Ball, K. Spangler, J. Drewes, and S. Chellam (2011). Models to Predict Organic Contaminant Removal by RO and NF Membranes. IDA Journal: Desalination and Water Reuse, 3 (2) 40-44.
• Badireddy, A.R., S. Chellam, P. L. Gassman, M. H. Engelhard, A. S. Lea, and K. M. Rosso, (2010).  Role of Extracellular Polymeric Substances in Bioflocculation of Activated Sludge Microorganisms under Glucose-controlled Conditions.  Water Research, 44 (15) 4505-4516.
• Kulkarni, P. and S. Chellam, (2010). Disinfection By-Product Formation Following Chlorination of Drinking Water: Artificial Neural Network Models and Changes in Speciation with Treatment.  Science of the Total Environment, 408 (19) 4202-4210.
• Altunkaynak, A. and S. Chellam, (2010). Prediction of Specific Permeate Flux during Crossflow Microfiltration of Polydispersed Colloidal Suspensions by Fuzzy Logic Models.  Desalination, 253 188-194.
• Cogan, N.G. and S. Chellam (2009). Incorporating Pore Blocking, Cake Filtration, and EPS Production in a Model for Constant Pressure Bacterial Fouling During Dead-end Microfiltration.  Journal of Membrane Science, 345 (1-2) 81-89.
• Hotze, E.M., Badireddy, A.R., S. Chellam, and M.R. Wiesner, (2009). Mechanisms of Bacteriophage Inactivation via Singlet Oxygen Generation in UV Illuminated Fullerol Suspensions.  Environmental Science and Technology, 43 (17) 6639-6645.
• Baltus, R; A.R. Badireddy, W. Xu, and S. Chellam, (2009). Analysis of Configurational Effects on Hindered Convection of Nonspherical Bacteria and Viruses across Microfiltration Membranes.  Industrial & Engineering Chemistry Research, 48 (5) 2404-2413.
• Kulkarni, P., S. Chellam, and M.P. Fraser, (2009). Response to Comment on “Tracking Petroleum Refinery Emission Events Using Lanthanum and Lanthanides as Elemental Markers for PM2.5”.  Environmental Science and Technology, 43 (8), 2990-2991.
• Chellam, S., R.R. Sharma, G.R. Shetty, and Y. Wei, (2008). Nanofiltration of Pretreated Lake Houston Water: Disinfection by-Product Speciation, Relationships, and Control.  Separation and Purification Technology, 64 (2) 160-169.
• Sharma, R.R. and S. Chellam, (2008).  Solute Rejection by Porous Thin Film Composite Nanofiltration Membranes at High Feed Water Recoveries.  Journal of Colloid and Interface Science, 328 (2) 353-366.
• Badireddy, A.R., B.R. Korpol, S. Chellam, P. L. Gassman, M. H. Engelhard, A. S. Lea, and K. M. Rosso, (2008).  Spectroscopic Characterization of Extracellular Polymeric Substances from Escherichia coli and Serratia marcescens: Suppression using Sub-Inhibitory Concentrations of Bismuth Thiols.  Biomacromolecules, 9 (11) 3079-3089.
• Shim, Y., W.G. Rixey and S. Chellam, (2008). Influence of Sorption on Removal of Tryptophan and Phenylalanine during Nanofiltration.  Journal of Membrane Science, 323 (1) 99-104.
• Cogan, N.G. and S. Chellam (2008). Regularized Stokeslets Solution for 2-D Flow in Dead-end Microfiltration: Application to Bacterial Deposition and Fouling.  Journal of Membrane Science, 318 (1-2) 379-386.
• Bagga, A., S. Chellam, and D.A. Clifford, (2008). Evaluation of Iron Chemical Coagulation and Electrocoagulation Pretreatment for Microfiltration of Surface Water.  Journal of Membrane Science, 309 (1-2) 82-93.
• Badireddy, A.R., S. Chellam, S. Yanina, P.L. Gassman, and K.M. Rosso, (2008). Bismuth Dimercapto-propanol (BisBAL) Inhibits the Expression of Extracellular Polysaccharides and Proteins in Brevundimonas diminuta: Implications for Membrane Microfiltration.  Biotechnology and Bioengineering, 99 (3) 634-643 (highlighted as cover art in the journal issue).
• Kulkarni, P., S. Chellam, and M.P. Fraser, (2007). Tracking Petroleum Refinery Emission Events Using Lanthanum and Lanthanides as Elemental Markers for PM2.5.  Environmental Science and Technology, 41 (19) 6748-6754.
• Kulkarni, P., S. Chellam, J.B. Flanagan, and R.K.M. Jayanty, (2007). Microwave digestion – ICP-MS for elemental analysis in ambient aerosols: Rare earth elements and validation using a filter borne fine particle standard reference material.  Analytica Chimica Acta, 599 (2) 170-176.
• Badireddy, A.R., E.M. Hotze, S. Chellam, P.J.J. Alvarez, and M.R. Wiesner, (2007). Inactivation of Bacteriophages via Photosensitization of Fullerol Nanoparticles.  Environmental Science and Technology, 41 (18) 6627-6632.
• Shim, Y. and S. Chellam, (2007). Steric and Electrostatic Interactions Govern Nanofiltration of Amino Acids.  Biotechnology and Bioengineering, 98 (2) 451-461.
• Kulkarni, P., S. Chellam, and D.W. Mittlefehldt (2007). Determination of Rare Earth Elements in Industrial Fluidized Bed Catalytic Cracking Catalysts using Inductively Coupled Plasma – Mass Spectroscopy.  Analytica Chimica Acta, 581 (2) 247-259.
• Chellam, S. and M. Liu, (2006). Effect of Slip on Existence, Uniqueness, and Behavior of Similarity Solutions for Laminar Flow in Permeable Tubes and Channels.  Physics of Fluids, 18 (8) publication number 083601, DOI: 10.1063/1.2236302.
• Sharma, R.R. and S. Chellam (2006). Frictional Interpretation of Thermodynamic Transport Parameters for Porous Nanofiltration Membranes.  Journal of Water Supply: Research and Technology (Aqua) (invited paper for the special theme issue “New Developments in Particle Separation”), 55 (7-8) 571-587.
• Chellam, S. and W. Xu, (2006). Blocking Laws Analysis of Dead-end, Constant Flux Microfiltration of Compressible Cakes.  Journal of Colloid and Interface Science, 301 (1) 248-257.
• Sharma, R.R. and S. Chellam, (2006). Temperature and Concentration Effects on Electrolyte Transport across Porous Thin Film Composite Nanofiltration Membranes: Pore Transport Mechanisms and Energetics of Permeation.  Journal of Colloid and Interface Science, 298 (1), 327-340.
• Kulkarni, P., S. Chellam, and M.P. Fraser, (2006). Lanthanum and Lanthanides in Atmospheric Fine Particles and their Apportionment to Refinery and Petrochemical Operations in Houston, TX.  Atmospheric Environment, 40 (3) 508-520.
• Zhu, B., D.A. Clifford, and S. Chellam, (2005). Virus Removal by Iron Coagulation–Microfiltration.  Water Research, 39 (20) 5153-5161.
• Xu, W. and S. Chellam, (2005). Initial Stages of Bacterial Fouling during Dead-end Microfiltration.  Environmental Science and Technology, 39 (17) 6470-6476.  (Published in the Charles R. O’Melia Tribute issue.)
• Zhao, Y., J.S. Taylor, S. Chellam, (2005). Predicting RO/NF Solute Mass Transfer by Modified Solution Diffusion Model and Artificial Neural Networks.  Journal of Membrane Science, 263 (1-3) 38-46.
• Zhu, B., D.A. Clifford, and S. Chellam, (2005). Comparison of Electrocoagulation and Chemical Coagulation Pretreatment for Enhanced Virus Removal Using Microfiltration Membranes.  Water Research, 39 (13) 3098-3108.
• Sharma, R.R. and S. Chellam, (2005). Temperature Effects on the Morphology of Porous Thin Film Composite Nanofiltration Membranes.  Environmental Science and Technology, 39 (13) 5022-5030.
• Chellam, S. (2005). Artificial Neural Network Model for Transient Crossflow Microfiltration of Polydispersed Suspensions.  Journal of Membrane Science, 258 (1-2) 35-42.
• Han, K., W. Xu, A. Ruiz, P. Ruchhoeft, and S. Chellam, (2005). Fabrication and Characterization of Polymeric Microfiltration Membrane Filters using Aperture Array Lithography.  Journal of Membrane Science, 249 (1-2) 193-206.
• Chellam, S., P. Kulkarni, and M.P. Fraser, (2005). Emissions of Organic Compounds and Trace Metals in Fine Particulate Matter from Motor Vehicles: A Tunnel Study in Houston, TX.  Journal of the Air and Waste Management Association, 55 (1) 60-72.
• Xu, W., S. Chellam, and D.A. Clifford, (2004). Indirect Evidence for Deposit Rearrangement during Dead-End Microfiltration of Iron Coagulated Suspensions.  Journal of Membrane Science, 239 (2) 243-254.
• Kulkarni, P., S. Chellam, G. Ghurye, and M.P. Fraser, (2003). In Situ Generation of Hydrofluoric Acid during Microwave Digestion of Atmospheric Particulate Matter Prior to Trace Element Analysis by Inductively Coupled Plasma Mass Spectrometry.  Environmental Engineering Science, 20 (6) 517-531.
• Buzcu, B., M.P. Fraser, P. Kulkarni, and S. Chellam, (2003). Source Identification and Apportionment of Fine Particulate Matter in Houston, TX Using Positive Matrix Factorization.  Environmental Engineering Science, 20 (6) 533-545.
• Shetty, G.R. and S. Chellam, (2003). Predicting Membrane Fouling during Municipal Drinking Water Nanofiltration using Artificial Neural Networks.  Journal of Membrane Science, 217 (1-2) 69-86.
• Shetty, G.R., H. Malki, and S. Chellam, (2003). Predicting Contaminant Removal during Municipal Drinking Water Nanofiltration using Artificial Neural Networks.  Journal of Membrane Science, 212 (1-2) 99-112.
• Sharma, R.R., R. Agrawal, and S. Chellam, (2003). Temperature Effects on Sieving Characteristics of Polymeric Nanofiltration Membranes: Pore Size Distributions and Solute Rejection.  Journal of Membrane Science, 223 (1-2) 69-87.
• Shetty, G.R., R.R. Sharma, and S. Chellam, (2002). Scale-Up Methodology for Municipal Water Nanofiltration Based on Permeate Water Quality.  Environmental Engineering Science, (invited paper in the special issue on “membrane separations in aquatic systems”) 19 (6) 545-562.
• Chellam, S. and D.A. Clifford, (2002). Physical-Chemical Treatment of Groundwater Contaminated by Leachate from Surface Disposal of Uranium Tailings.  ASCE Journal of Environmental Engineering, 128 (10) 942-952.
• Chellam, S. and S.W. Krasner, (2001). Disinfection Byproduct Relationships and Speciation in Chlorinated Nanofiltered Waters.  Environmental Science and Technology, 35 (19) 3988-3999.
• Chellam, S. and J.S. Taylor, (2001). Simplified Analysis of Contaminant Rejection During Ground- and Surface Water Nanofiltration Under the Information Collection Rule.  Water Research, 35 (10) 2460-2474.
• Chellam, S., D-T Chen, and D.J. Francis, (2001). Effects of Source Water Location, Season, and Membrane Type on Nanofilter Permeate Water Quality.  Environmental Engineering Science, 18 (4) 249-258.
• Chellam, S., (2000). Effects of Nanofiltration on Trihalomethane and Haloacetic Acid Precursor Removal and Speciation in Waters Containing Low Concentrations of Bromide Ion.  Environmental Science and Technology, 34 (9) 1813-1820.
• Jacangelo, J.G., S. Chellam and T.P. Bonacquisti, 2000. Treatment of Surface Water by Double Membrane Systems: Assessment of Fouling, Permeate Water Quality and Costs, Water Supply 18 (1), 438-441.
• Wiesner, M.R. and S. Chellam, 1999. The Promise of Membrane Technology, Environmental Science and Technology, 33 (17), 360A-366A.
• Chellam, S. and J.G. Jacangelo, (1998). Existence of Critical Recovery and Impacts of Operational Mode on Potable Water Microfiltration.  Journal of Environmental Engineering, 124 (12) 1211-1219.
• Chellam, S., C.A. Serra, and M.R. Wiesner, (1998). Estimating Costs for Integrated Membrane Systems. Journal of the American Water Works Association 90 (11) 96-104.
• Chellam, S., J.G. Jacangelo, and T.P. Bonacquisti, (1998). Modeling and Experimental Verification of Pilot-Scale Hollow Fiber, Direct Flow Microfiltration with Periodic Backwashing. Environmental Science and Technology 32 (1), 75-81.
• Chellam, S. and M.R. Wiesner, (1998). Evaluation of Crossflow Filtration Models Based on Shear-Induced Diffusion and Particle Adhesion: Complications Induced by Feed Suspension Polydispersivity. Journal of Membrane Science 138 (1), 83-97.
• Clark M.M., S. Allgeier, G. Amy, S. Chellam, F. DiGiano, M. Elimelech, S. Freeman, J. Jacangelo, K. Jones, J.M. Laine, J. Lozier, B. Marinas, R. Riley, J. Taylor, M. Thompson, J. Vickers, M. Wiesner, and A. Zander, (1998). Committee report: Membrane processes. Journal of the American Water Works Association, 90 (6), 91-105.
• Chellam, S., J.G. Jacangelo, T.P. Bonacquisti, and B.A. Schauer, (1997). Effect of Pretreatment on Surface Water Nanofiltration. Journal of the American Water Works Association 89 (10), 77-89.
• Braghetta, A., J.G. Jacangelo, S. Chellam, M.L. Hotaling, and B.A. Utne, (1997). DAF Pretreatment: Its Effect on MF Performance. Journal of the American Water Works Association 89 (10), 90-101.
• Chellam, S. and M.R. Wiesner, (1997). Particle Back-Transport and Permeate Flux Behavior in Crossflow Membrane Filters.  Environmental Science and Technology 31 (3), 819-824.
• Chellam, S., M.R. Wiesner, and C. Dawson, (1995). Laminar Flow in Porous Ducts.  Reviews in Chemical Engineering 11 (1), 53-99.
• Chellam, S., and M.R. Wiesner, (1993). Slip Flow in Porous Media with Permeable Boundaries: Implications for the Dimensional Scaling of Packed Beds.  Water Environment Research, 65 (6), 744-749.
• Chellam, S. and M.R. Wiesner, (1993). Fluid Mechanics and Fractal Aggregates.  Water Research, 27 (9), 1493-1496.
• Chellam, S. and M.R. Wiesner, (1993). Laminar Flow with Slip in a Channel with Uniformly Porous Walls.  Journal of Hydraulic Engineering, 119 (1), 126-132.
• Chellam, S. and M.R. Wiesner, (1992). Particle Transport in Clean Membrane Filters in Laminar Flows.  Environmental Science and Technology, 26 (8), 1611-1621.
• Chellam, S., M.R. Wiesner, and C. Dawson, (1992). Slip at a Uniformly Porous Boundary: Effect on Fluid Flow and Mass Transfer.  Journal of Engineering Mathematics, 26 (4), 481-492.
• Wiesner, M.R. and S. Chellam, (1992). Mass Transport Considerations for Pressure-Driven Membrane Processes in Potable Water Treatment.  Journal of the American Water Works Association, 84 (1), 88-95.
• Chellam, S., and M.R. Wiesner, (1992).  Macrocolloidal Transport in Membrane Filters in Slow Laminar Flows: Polarization Chromatography.  Water Science and Technology, 26 (9-11), 2277-2280.
   

Book Chapters and Reports

• Chellam, S. and A.K. Zander, (2005). Chapter 3 – Membrane Science and Theory, in Microfiltration and Ultrafiltration Membranes for Drinking Water, American Water Works Association, Denver, CO (ISBN 1-58321-360-0).
• Chellam, S., (2005). Bromide Influence on Trihalomethane and Haloacetic Acid Formation, in Water Encyclopedia: Water Quality and Resource Development, Jay H. Lehr and Jack Keeley Editors, John Wiley and Sons, (ISBN: 0-471-73686-4).
• Chellam, S., (2002). Air Stripping and Aeration, p. 93 – 112 in “Control of Microorganisms in Drinking Water”.  American Society of Civil Engineers.  Lingireddy, S. Editor. (ISBN: 0-7844-0635-9).
• Chellam, S. and J.G. Jacangelo, (2001). Critical Recovery Concept in Constant Flux Microfiltration and Effects of Operational Mode on Microfilter Performance, p. 43 – 54, Chapter 4 in Membrane Practices for Water Treatment, AWWA Trends in Water Science Series, Duranceau, S. J. Editor. (ISBN: 1-58321-147-0).
• Chellam, S., Sharma, R.R., Shetty, G.R., and Wei, Y. Quality and Membrane Treatability of the Lake Houston Water Supply, Technical Report 186, Texas Water Resources Institute, Texas A&M University, College Station, TX 77843.  October 2001.
• Jacangelo, J.G., S. Chellam and R.R. Trussell, 1998. The Membrane Treatment, Civil Engineering 68 (9) 42- 45.

News

• Ayu wins the first prize in Water Environment Association of Texas, Texas Water 2013 conference, Student Paper Presentation Contest, Galveston, TX (April 2013)
• Ayu passed her PhD qualifying exam (March 2013)
• Neranga is awarded a $1,000 travel award to participate in the NAMS 2013 conference in Boise, ID (March 2013)
• Chris Norwood, Jose Tusell, and Eliazar Nava have joined as undergraduate researchers (Sept. 2012-Feb. 2013)
• Our platinum group element paper is highlited on the cover of Analytica Chimica Acta as one of "exceptional high quality."  (July 2012) View cover art
• Charan wins the third prize in Water Environment Association of Texas, Texas Water 2012 conference, Student Paper Presentation Contest, San Antonio, TX (April 2012)
• Charan wins the second prize in the student presentation competition during the annual conference of the Southeast Texas section of the American Water Works Association (February 2012)
• Tania is awarded the "Engineering, the Capacity of Thought" scholarship (February 2012)
• Hayley is awarded the "Engineering Design Excellence" scholarship (February 2012)
• Hayley has been awarded a Provost Undergraduate Research fellowship for the spring 2012 semester (December 2011)
• Mutiara Ayu Sari joined the research group to pursue a Ph.D. degree (October 2011)
• Hayley Redweik and Tania Arauz joined as undergraduate researchers (October 2011)
• Nick, Neranga, and Charan all passed their PhD qualifying exams (September 2011)
• Ayse Bozlaker has joined our group to perform post-doctoral research in air pollution modeling and measurement (September 2011)
• Neranga won the first prize in the student presentations of the Southeast Texas section of the American Water Works Association (February 2011)
• Chih-Yuan Chang (Andy) joined the research group to pursue a doctoral degree. (January 2011)
• Yanet Cuddus (from Environmental Science) and Will Payne (from Chemical Engineering) have joined as undergraduate researchers (November 2010)
• Our air quality research is profiled by the College, the University and the Daily Cougar (September 2010/October 2010)
• Nick Spada and Charan Tanneru have joined our research group as doctoral students (August 2010)
• Galena Park high school teacher Tammie LaBiche and UT biomedical engineering sophomore Allison Pekkanen conducted summer research in our labs (July 2010).
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• Our research on FCC catalyst releases to the atmosphere featured on CBC St. John morning show (August 26, 2010)
• Congratulations to Ayu for winning the 2010 TAEP scholarship.  (February 2010)
• Mutiara Ayu Sari, undergraduate chemical engineering student has joined our group to assist with ongoing research.  (September 2009)
• Dr. Suresh Kumar Danadurai has joined our group to pursue post-doctoral research pertaining to the use of ICP-MS with air pollution applications. (August 2009)
• Ms. Neranga Gamage has joined our group to pursue her Master’s and doctoral degrees.  (August 2009)
• Raju successfully defended his doctoral dissertation "Interactions of Bacteria and Viruses with Membranes and Nanoparticles: Characterization of Extracellular Polymeric Substances and Photoinactivation of Bacteriophages by Fullerol Nanoparticles." (April 30, 2009)
• Pranav’s air pollution research featured on local CBS affiliate (KHOU Channel 11), the PBS station (KUHF), Houston Chronicle, Discover Magazine’s May 2009 issue, by EurekAlert, Octane Week, and several others. Thanks to Angela Hopp for facilitating the media interest.
• Xu Liu joined joined the research group to pursue a doctoral degree. (August 2007)
• Yongki Shim has joined KIT Professionals, Inc. in Houston. (April 2008)
• Mr. B.A. Raju was awarded the first prize in the 2008 WEAT student paper competition. (April 2008)
• Raju's biofilm research is highlighted by using his electron micrograph as cover art by Biotechnology and Bioengineering. (February 2008) View the cover art
• Raju and Bhoom Reddy are spending two months at the Pacific Northwest National Labs performing several microscopy and spectroscopy measurements. (November 2007 – January 2008)
• Dr. Pranav Kulkarni has joined Trinity Consultants in Houston. (October 2007)
• Ms. Ashima Bagga has joined Arcadis in Houston. (October 2007)
• Peter Deng and Yao Yang have joined the research group to pursue their doctoral degrees. (August 2007)
• Ashima Bagga successfully defended her masters thesis "Evaluation of Iron Chemical Coagulation and Electrocoagulation Pretreatment for Surface Water Microfiltration." (July 17, 2007)
• Pranav Kulkarni successfully defended his doctoral dissertation "Trace Elemental Composition of Airborne Fine Particles and their Apportionment to Various Sources Focusing on Lanthanum and Lanthanides Distribution and Petroleum Refinery Emissions." (July 12, 2007)
• Yongki Shim successfully defended his doctoral dissertation "Mechanisms of Amino Acids Removal during Nanofiltration: Effects of Size, Charge, and Hydrophobicity." (July 10, 2007)
• Ms. Ashima Bagga was awarded the third prize in the 2007 WEAT student paper competition. (April 2007)
• Ms. Ashima Bagga was awarded the second prize in the student paper competetion for her presentation titled "Chemical Coagulation & Electrocoagulation Pretreatment for Microfiltration" at the Environmental Challenges and Innovations Conference: Gulf Coast 2007. (February 2007)
• Bhoom Reddy Korpol has joined the group to pursue his Ph.D. (January 2007)
• Ram Ganesh Rokkam has joined the group to pursue his Ph.D. (August 2006)
• Sima Mathew, Science department head and Pre-AP Biology teacher at North Shore High School developed teaching materials for the hydrologic cycle, bacteriology, and water purification. (July 2006) 
• B.A. Raju is spending 7 weeks at the Pacific Northwest National Labs performing several microscopy measurements. (May-June 2006)
• Wendong (William) Xu has joined TCB/AECON here in Houston. (May 2006)
• Ramesh Sharma has joined Trussell Tech. in Southern California. (May 2006)
• Yongki Shim successfully defended his doctoral proposal "Nanofiltration of Amino Acids: Effects of Charge, Size, and Adsorption." (April 2006)
• Pranav Kulkarni successfully defended his doctoral proposal "Trace Elemental Composition of Airborne Fine Particles and their Apportionment to Various Sources." (April 2006)
• Emilie Krause presented her undergraduate research "Darcy and non-Darcy flow across microfiltration membranes" at the 2006 Water Environment Association of Texas conference in Austin, TX. (April 2006)
• Ashima Bagga joined our research group to pursue her Masters degree. (January 2006)
• Wendong Xu successfully defended his doctoral dissertation "Blocking Laws Analysis of Dead-End Microfiltration: A Study of Cake Compressibility, Deposit Rearrangement, Bacterial Fouling, and Operational Mode." (October 2005)
• Sneha joined the research group to pursue her Ph.Ds (August 2005)
• Sima Mathew, Science department head and Pre-AP Biology teacher at North Shore High School, spent one month learning the fundamentals of bacteria growth and enumeration in our labs. Working closely with B.A. Raju, she also developed a document "Bacteriology Unit Labs" to improve the biology curriculum in her school. (July 2005)
• Sneha has been awarded a Presidential Fellowship from the Dean of Graduate and Professional Studies to pursue her doctoral degree. (April 2005)
• Pranav Kulkarni was awarded the second prize in the 2005 WEAT student paper competetion for his presentation "Predicting Disinfection By-product Formation in Municipal Drinking Water using Artificial Neural Networks." (April 2005)
• Ramesh Sharma Defended his doctoral dissertation "Temperature Effects on Transport of Water, Charged, and Uncharged Solutes across Polymeric Thin Film Composite Nanofiltration Membranes: An Investigation into Pore-Transport Mechanisms and Electrokinetic Properties" (November 2004)
• Wendong Xu successfully defended his proposal "Dead-end Microfiltration of Bacterial and Colloidal Silica Suspensions: Fouling and Rejection." (July 2004)
• Yongki Shim successfully passed the departmental doctoral screening examination (July 2004)
• Wendong Xu and Ramesh Sharma presented portions of their doctoral research at the 78th American Chemical Society Colloid and Surface Science Symposium, held at Yale University, New Haven, CT (June 2004)
• Pranav Kulkarni presented " Emissions of Fine Particulate Matter from Motor Vehicles: A Tunnel Study in Houston, TX" at the American Geophysical Union Joint Assembly in Montreal, Canada. (May 2004)
• Ramesh Sharma successfully defended his proposal "An Investigation of the Factors Contributing to Seasonal Changes in the Selectivity of Thin Film Composite Nanofiltration Membranes." (August 2003)
• Pranav Kulkarni successfully defended his Masters Thesis "Composition of Fine Particulate Matter in Ambient Atmosphere and Motor Vehicle Emissions in the Houston Area" and will continue working in my labs towards his Ph.D. (August 2003)
• B.A. Raju joined our research group to pursue his Ph.D. (August 2003)
• Steven Statt, Chemistry and A.P. Environmental Science teacher at Elsik High School, spent the entire summer in our labs learning the basics of water purification and developing course materials. (Summer 2003)
• Rachana Agrawal was awarded the third prize in the 2003 WEAT student paper competetion for her presentation "Changes in Pore Size Distributions and Transport Parameters of Water Treatment Nanofiltration Membranes with Temperature." (April 2003)
• Pranav Kulkarni was awarded the Presidential Fellowship from the Dean of Graduate and Professional Studies to pursue a doctoral degree. (April 2003)
• Rachana Agrawal successfully defended her Masters thesis titled "Performance Characterization of a Polymeric Thin Film Composite Nanofiltration Membrane Between 5–23°C." She will join the Department of Chemical Engineering for her doctorate. (August 2002)
• Yongki Shim has joined the group to pursue a Ph.D. (July 2002)
• Grishma Shetty successfully defended her Masters thesis titled "Predicting Contaminant Removal During Municipal Drinking Water Nanofiltration Using Semi-Empirical Models and Artificial Neural Networks." (June 2002)
• Wendong Xu presented Modeling and Experimental verification of Dead-end Membrane Filtration of Coagulated Suspensions" in the Universities Forum II session during the AWWA national conference in New Orleans. (June 2002)
• Ramesh Sharma, doctoral candidate, was awarded the second prize in the 2002 WEAT student paper competetion for his presentation "Removal of charged and uncharged solutes by nanofiltration membranes" (April 2002).