Group Alumni
Mita Das - Ph.D., Georgia Institute of Technology - Atlanta, 2009
Previous Degrees: B.S.,Jadavpur University, India ;M.S., University of Maryland Baltimore County (UMBC), Baltimore, MD
Dissertation: Membranes for Olefin/Paraffin Separations
Employer: ExxonMobil Upstream Research Company, Houston, TX
Madhava Kosuri - Ph.D., Georgia Institute of Technology - Atlanta, 2009
Previous Degrees: B.S.,Indian Institute of Technology-Madras ;M.S., New Mexico Institute of Mining and Technology
Dissertation: Polymeric Membranes for Super Critical Carbon Dioxide (ScCO2) Separation
Employer: Air Liquide, Wilmington, DE
Imona Omole - Ph.D., Georgia Institute of Technology - Atlanta, 2008
Previous Degrees: B.S., University of Massachusetts - Amherst
Dissertation: Crosslinked Polyimide Hollow Fiber Membranes for Aggressive Natural Gas Feed Streams
Employer: ConocoPhillips, Bartlesville, OK
Adam Kratochvil - Ph.D., Georgia Institute of Technology - Atlanta, 2008
Previous Degrees: B.S., University of Texas - Austin
Dissertation: Thickness Dependent Physical Aging and Supercritical Carbon Dioxide Conditioning Effects on Crosslinkable Polyimide Membranes for Natural Gas Purification
Employer: Air Products, St. Louis, MO
Shu Shu - Ph.D., Georgia Institute of Technology - Atlanta, 2007
Previous Degrees:
Dissertation: Engineering the Performance of Mixed Matrix Membranes for Gas Separations
Employer: Shell, Houston, TX
Hensley Sejour - Ph.D., Georgia Institute of Technology - Atlanta, 2007
Previous Degrees: B.S., Lafayette College
Dissertation: Functionalized Co-Polypyrrolone-Imide Membrane for Propylene/Propane Separations
Employer: BP, Chicago, IL
John Perry - Ph.D., Georgia Institute of Technology - Atlanta, 2007
Previous Degrees: B.S., Clemson University
Dissertation: Formation and Characterization of Hybrid Membranes Utilizing High-Performance Polyimides and Carbon Molecular Sieves
Employer: MeadWestvaco
Raymond Chafin - Ph.D., Georgia Institute of Technology - Atlanta, 2007
Previous Degrees: B.S., West Virginia University
Dissertation: Torlon and Silicalite Mixed Matrix Membranes for Xylene Isomer Purfication
Employer: Shell, Houston, TX
Preeti Chandra - Ph.D., Georgia Institute of Technology - Atlanta, 2006
Previous Degrees: B.S., IIT Kanpur, India
Dissertation: Multi-Component Transport of Gases and Vapors in Poly(Ethylene Terephthalate)
Employer: Praxair, Inc., Tonawanda, NY
Shabbir Husain - Ph.D., Georgia Institute of Technology - Atlanta, 2006
Previous Degrees: B.S., University of Texas - Austin
Dissertation: Formation of Non-Crosslinked Asymmetric Hollow Fiber Mixed Matrix Polymer/Molecular Sieve Membranes
Employer: Chevron, Richmond, CA
Jason Williams - Ph.D., Georgia Institute of Technology - Atlanta, 2006
Previous Degrees: B.S., M.S., Tennessee Technological University
Dissertation: Synthesis and Study of Homogeneous Carbon Molecular Sieve Membranes
Employer: Shell, Houston, TX
Bill Madden - Ph.D., Georgia Institute of Technology - Atlanta, 2005
Previous Degrees: B.S., University of Texas - Austin
Dissertation: The Performance of Hollow Fiber Gas Separation Membranes in the Presence of an Aggressive Feed Stream
Employer: Solvay Advanced Polymers, Alpharetta, GA
Alexis Hillock - Ph.D., Georgia Institute of Technology - Atlanta, 2005
Previous Degrees: B.S., University of Maryland - Baltimore County
Dissertation: Homogeneous Crosslinkable Mixed Matrix Membranes for Natural Gas Purifications
Employer: Praxair, Inc., Tonawanda, NY
Fangbin Zhou - Ph.D., Georgia Institute of Techlonogy - Atlanta, 2004
Dissertation: Novel Membrane Materials and Structures for Water-Organic Mixtures
Employer: Hercules, Wilmington, DE
Wen Xu - Ph.D., University of Texas - Austin,
Dissertation: Pervaporative Separation Processes for Aromatic-Saturate Separations
Employer: Hoffman-La Roche, Nutley, NJ
Ted Moore - Ph.D., University of Texas - Austin, 2004
Previous Degrees: B.S., Iowa State University
Dissertation: Effects of Materials, Processing, and Operating Conditions on the Morphology and Gas Transport Properties of Mixed Matrix Membranes
Employer: Solvay Advanced Polymers, Alpharetta, GA
Mohammed Al-Juaied - Ph.D., University of Texas - Austin, 2004
Previous Degrees: M.S., University of Notre Dame
Dissertation: Characterization And Modeling Of Practical Asymmetric Hollow Fiber Membranes And Membrane Modules Used For High-Pressure Natural Gas Purification In The Presence Of Trace Heavy Hydrocarbon Impurities
Employer: Saudi AARAMCO, Saudi Arabia
Shilpa Damle - Ph.D., University of Texas - Austin, 2004
Previous Degrees: B.S., Texas A&M University
Dissertation: Membrane Based Separations of Organic Solutes from Supercritical Carbon Dioxide
Employer: Shell Chemicals, Houston, TX
David Wallace - Ph.D., University of Texas - Austin, 2004
Previous Degrees: B.S., Rose Hulman Institute of Technology
Dissertation: Hollow Fiber Membranes for Natural Gas Purification
Employer: Shell Chemicals, Houston, TX
John Wind - Ph.D., University of Texas - Austin, 2002
Previous Degrees: B.S., Purdue University
Dissertation: Improving Polyimide Membrane Resistance to Carbon Dioxide Plasticization in Natural Gas Separations
Employer: ChevronTexaco, Richmond, CA
Ryan Burns - Ph.D., University of Texas - Austin, 2002
Previous Degrees: B.S., Georgia Institue of Technology
Dissertation: Investigation of Poly(pyrrolone-imide) Materials for the Olefin / Paraffin Separation
Employer: Post Doctoral Researcher at University of Texas - Austin (Advisor: Dr. C. Grant Willson)
Seth Carruthers - Ph.D., University of Texas - Austin, 2001
Previous Degrees: B.S., North Carolina State University
Dissertation: Integral Skin Formation in Hollow Fiber Membranes for Gas Separations
Employer: Intel Corp., Portland, OR
De Vu - Ph.D., University of Texas - Austin, 2001
Previous Degrees: B.S., University of Oklahoma; M.S., University of Texas - Austin
Dissertation: Formation and Characterization of Asymmetric Carbon Molecular Sieve and Mixed Matrix Membranes for Natural Gas Purification
Employer: ChevronTexaco, Richmond, CA
David Punsalan - Ph.D., University of Texas - Austin, 2001
Previous Degrees: B.S., Tulane University; M.S., University of Texas - Austin
Dissertation: A Sorption and Dilation Investigation of Amorphous Glassy Polymers and Physical Aging
Employer: TriQuint Semiconductor, Inc., Hillsboro, OR
Maria (Linda) Towidjaja - M.S., University of Texas - Austin, 2001
Previous Degrees: B.S., University of Texas - Austin
Thesis: Utilization of Membrane Dialysis for Solvent Exchange in a Polymeric Solution
Employer: Rudolph Technologies
Rajiv Mahajan - Ph.D., University of Texas - Austin, 2000
Previous Degrees: B.Tech., Indian Institute of Technology; M.S., University of Texas - Austin
Dissertation: Formation, Characterization and Modeling of Mixed Matrix Membrane Materials
Employer: Merck, West Point, PA
Keisha Steel - Ph.D., University of Texas - Austin, 2000
Previous Degrees: B.S., Massachusetts Institute of Technology; M.S., University of Texas - Austin
Dissertation: Carbon Membranes for Challenging Separations
Employer: BP Amoco, Naperville, IL
Gunaidi Djoekita - M.S., University of Texas - Austin, 2000
Previous Degrees: B.S., University of Texas - Austin
Thesis: Characterization and Analysis of Asymmetric Hollow Fiber Membranes for Natural Gas Purification in the Presence of Hydrocarbons
Employer: LSI Logic, San Francisco, CA
Jennifer Qin - M.S., University of Texas - Austin, 1999
Previous Degrees: B.S., East China University of Science and Technology
Thesis: Explorations of Forming and Characterizing Mixed Matrix Gas Separation Membranes
Catherine Zimmerman - Ph.D., University of Texas - Austin, 1998
Previous Degrees: B.S., University of Minnesota; M.S., University of Texas - Austin
Dissertation: Advanced Gas Separation Membrane Materials: Hyper Rigid Polymers and Molecular Sieve-Polymer Mixed Matrices
Employer: BP Amoco, Naperville, IL
Dominic Clausi - Ph.D., University of Texas - Austin, 1998
Previous Degrees: B.S., North Carolina State University; M.S., University of Texas - Austin
Dissertation: Ladder Polymers: Formation and Characterization of Asymmetric Polyimide Hollow Fiber Membranes for Gas Separations
Employer: Exxon Chemicals, Baton Rouge, LA
Mathews Thundyil - Ph.D., University of Texas - Austin, 1998
Previous Degrees: B.Tech., Indian Institute of Technology
Dissertation: Characterization, Analysis and Modeling of Non-Ideal Effects in Polymerix Membrane-Based Natural Gas Processing (Membrane Permeation)
Employer: Porous Media, Ltd., Conroe, TX
Vincent Geiszler - Ph.D., University of Texas - Austin, 1997
Previous Degrees: B.S., Virginia Polytechnic Institute; M.S., University of Texas - Austin
Dissertation: Polyimide Precursors for Carbon Molecular Sieve Membranes
Employer: Motorola, Austin, TX
Henky Deny Kamaruddin - Ph.D., University of Texas - Austin, 1997
Previous Degrees: B.S., Oregon State University; M.S., University of Texas - Austin
Dissertation: Analysis of Methanol/Methyl Tert-Butyl Ether (MTBE) Separations Using Pervaporation (Membrane, Permeability, Sorption, Diffusion)
Employer: Medal, L.P., Newport, DE
Anshu (Singh) Ghosal - Ph.D., University of Texas - Austin, 1997
Previous Degrees: B.S., University of Roorke; M.S., University of Texas - Austin
Dissertation: Membrane Materials with Enhanced Selectivity: An Entropic Interpretation (Gas Separation, Carbon Molecular Sieves)
Employer: Singh Plasticizers and Resins (I) Pvt. Ltd., New Delhi
David Woods - Ph.D., University of Texas - Austin, 1997
Previous Degrees: B.S., M.S., University of Texas - Austin
Dissertation: Application and Analysis of Membranes for Membrane-Assisted Reactors (Hollow Fiber Membranes, Polyimide, Polyaramide, Polyetherimide)
Employer: Exxon Chemicals, Baton Rouge, LA
Scott A. McKelvey - Ph.D., University of Texas - Austin, 1997
Dissertation: Formation and Characterization of Hollow Fiber Membranes for Gas Separation (Fiber Breaks, Macrovoids)
Employer: Permea Inc., St. Louis, MO
Brian Price - University of Texas - Austin
Employer: Los Alamos National Laboratory
Egbert Jakobs - Ph.D., University of Texas - Austin, 1996
Dissertation: Modification and Characterization of Mass-Transfer Properties of Gamma-Alumina Membranes (Ultrafiltration, Ceramic Membranes, Sieving)
Employer: Proctor & Gamble, Belgium
Edward J. Simpson - Ph.D., University of Texas - Austin, 1995
Dissertation: Removal of Volatile Organic Compounds From Aqueous and Vapor Streams Using Polymeric Sorbents: Friedel-Crafts Modified Polystyrene (Sorption)
Employer: Shell Development Company, Houston, TX
Maryam Moaddeb - Ph.D., University of Texas - Austin, 1995
Dissertation: Formation of Composite Membranes Based on Silica Occlusion of Surface Pores (Permeability)
Employer: Merial Limited, Iselin, NJ
Fred Gadelle - Ph.D., University of Texas - Austin, 1995 (Co-advised with R. Schechter)
Dissertation: Solubilization of aromatic solutes in surfactant aggregates: application to micellar-enhanced ultrafiltration (volatile organic compounds)
Employer: Lawrence Berkeley National Laboratory, Berkeley, CA
Peter Pfromm - Ph.D., University of Texas - Austin, 1994
Dissertation: Gas transport properties and aging of thin and thick films made from amorphous glassy polymers
Employer: Institute of Paper Science & Technology, Georgia Institute of Technology, Atlanta, GA
Lora Costello Bonser - Ph.D., University of Texas - Austin, 1994
Dissertation: Temperature dependence of gas sorption and transport properties in glassy polymers
Employer: 3M, Austin, TX
Steven C. Pesek - Ph.D., University of Texas - Austin, 1994
Dissertation: Aqueous quenched asymmetric polysulfone flat sheet and hollow fiber membranes prepared by dry/wet phase separation
Employer: DuPont Packaging & Industrial Polymers, Orange, TX
Mary Rezac - Ph.D., University of Texas - Austin, 1993
Dissertation: Polymer-ceramic composite membranes in reactor applications (polyimide)
Employer: School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA
Luiz Antonio Pessan - Ph.D., University of Texas - Austin, 1993
Dissertation: Synthesis and gas transport properties of aromatic polyester membrane materials
Employer: Departamento de Engenharia de Materiais, Universidade Federal de Sao Carlos, San Carlos, Brazil
David R. B. Walker - Ph.D., University of Texas - Austin, 1993
Dissertation: Synthesis and characterization of polypyrrolones for gas separation membranes (membranes, plasticization)
Employer: Westvaco, Charleston, SC
Maria R. Coleman - Ph.D., University of Texas - Austin, 1992
Dissertation: Isomers of fluorine-containing polyimides for gas separation membranes (glassy polymers)
Employer: Chemical & Environmental Engr. Dept., University of Toledo, Toledo, OH
James R. Miller - Ph.D., University of Texas - Austin, 1992
Dissertation: Transport properties of native and chemically modified gamma-alumina membranes
Employer: Westvaco, Covington, VA
Michael A. Henson - M.S., University of Texas - Austin, 1989
Thesis: The use of bench-scale and pilot-scale testing systems to investigate the effects of carbon dioxide conditioning on the permeation properties of assymetric membranes
Employer: Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA
Dave Pope - Ph.D., University of Texas - Austin, 1991
Dissertation: The effects of conditioning on sorption and volume dilation in rubbery and glassy polymers (rubbery polymers, penetrant sorption)
Employer: CONDEA Vista Co., Austin, TX
Ingo Pinnau - Ph.D., University of Texas - Austin, 1991
Dissertation: Skin formation of integral-asymmetric gas separation membranes made by dry/wet phase inversion (gas separation)
Employer: Membrane Technology & Research, Menlo Park, CA
Mark Hellums - Ph.D., University of Texas - Austin, 1990
Dissertation: Gas permeation and sorption in a series of aromatic polycarbonates
Employer: Sachem, Inc., Austin, TX
Brooks James (B. J.) Story - Ph.D., University of Texas - Austin, 1989
Dissertation: Sorption and transport of carbon-dioxide and methane in chemically modified poly(phenylene oxide)
Employer: Calcitek, Carlsbad, CA
Susan M. Jordan - Ph.D., University of Texas - Austin, 1989
Dissertation: The effects of carbon-dioxide exposure on permeation behavior in silicone rubber and glassy polycarbonates
Employer: Ray Chem, Menlo Park, CA
Maria Gou - M.S., University of Texas - Austin, 1989
Thesis: Characterization of equilibria and kinetic factors controlling the spinning of Lycra
Employer: IT Corporation, Austin, TX
Greg K. Fleming - Ph.D., University of Texas - Austin, 1988
Dissertation: Dilation of silicone rubber and glassy polycarbonates due to high pressure gas sorption
Employer: MEDAL, E.I. duPont de Nemours & Co., Newport, DE
Tae-Han Kim - Ph.D., University of Texas - Austin, 1988
Dissertation: Gas sorption and permeation in a series of aromatic polyimides
Employer: Samsung Total Petrochem Co.
Chad J. Segura - M.S., University of Texas - Austin, 1987
Thesis: Development of a gas permeation membrane minimodule testing system
Ronald J. Kuse - M.S., University of Texas - Austin, 1987
Thesis: Vapor sorption and blend miscibility studies of alkyd resin and poly(vinyl chloride)
Employer: Intel K.K., Tsukuba-shi, Ibaraki-ken, Japan
Michael Moe - M.S., University of Texas - Austin, 1987
Thesis: Aromatic glassy polymers
Mark E. Stewart - Ph.D., North Carolina State University, 1987
Dissertation: Characterization of physical aging of poly(methyl methacrylate) powders by a novel high pressure soprtion technique
Richard Kollaja - M.S., North Carolina State University, 1985
Thesis: Sorption of low molecular weight organic penetrants in protective polymeric coatings
Lewis R. Iler - M.S., North Carolina State University, 1984
Thesis: Anhydrous ammonia sorption and transport in Kapton polyimide
Dyi-Kang Yang - Ph.D., North Carolina State University, 1984
Dissertation: Sorption and transport studies of water in Kapton polyimide
Robert E. Yui - M.S., North Carolina State University, 1984
Thesis: Sorption and transport of various gases in Kapton polyimide
Edgar Sanders - Ph.D., North Carolina State University, 1983
Dissertation: High-pressure sorption of pure and mixed gases in glassy polymers (polymethyl methacrylate)
Rey T. Chern - Ph.D., North Carolina State University, 1983
Dissertation: Measurement and modeling of mixed gas permeation in glassy polymers
James L. Osborne - Ph.D., North Carolina State University, 1983
Dissertation: Fundamentals of small molecule migration in glassy polymers
Haitham Sayed Ahmad Al-Hussaini - M.S., North Carolina State University, 1983
Thesis: Penetrant permeation through fluorinated and untreated polyethylene films
Sam-Heng Chen - M.S., North Carolina State University, 1982
Thesis: High pressure carbon dioxide sorption in a series of methacrylate polymers and kapton polyimide
Charles T. Page - M.S., North Carolina State University, 1982
Thesis: Evaluation of processing alternatives in the production of kappa-carrageenan
Ned R. McCoy, Jr. - M.S., North Carolina State University, 1981
Thesis: Diffusion and relaxation in glassy polymer powders
Danny Henderson - M.S., North Carolina State University, 1981
Thesis: Characterization of phase equilibria and properties of kappa-carrageenan precipitated from aqueous solutions using isopropanol as a nonsolvent
Clyde Jerome Patton - M.S., North Carolina State University, 1980
Thesis: Dual mode sorption and transport of condensable penetrants in glassy polymers
Gary N. Smith - M.S., North Carolina State University, 1980
Thesis: Dual mode sorption of CO2 in poly(methyl methacrylate) and poly(ethyl methacrylate)
Gautam Ranade - Ph.D., North Carolina State University, 1980
Dissertation: Sorption, transport, and dilatometric studies in glassy polymers

Post-Doctoral Fellows and Visiting Researchers/Faculty