The Homepage of

Chad Jafvert, Ph.D., BCEEM


Purdue University

Lyles School of Civil Engineering, and

Division of Environmental and Ecological Engineering

550 Stadium Mall Drive

West Lafayette, IN 47907-2051

Phone: (765) 494-2196 

A Slow Sand Filter constructed in Kenya, March 2014


A Slow Sand Filter constructed in Qinghai Province, China, July 2014

(w/ Tim Filley, Director, Purdue-China Academy of Sciences Eco-Partnership

Constructing Slow Sand Filters at a Rural Elementary School near Barbosa, Antioquia, Colombia, March 2011



B.S.  Biochemistry, Iowa State University,  1979

M.S.  Civil and Environmental Engineering, The University of Iowa, 1982

Ph.D.  Civil and Environmental Engineering, The University of Iowa, 1985

Post-Doctoral Fellow, National Research Council, assigned to the U.S. EPA, Athens GA, 1985-1986


Honorary Visiting (Guest) Professor, Southeast University, Nanjing, P.R. China, awarded January 9, 2013 by the University President

Distinguished Visiting Professor, Qinghai Normal University, Xining, Qinghai Province, P.R. China, awarded June 25, 2014 by the University President Bo He

Biosketch                              Papers




EEE 300 - Environmental and Ecological Systems Modeling (CE 559 link)

EEE 360 - Environmental and Ecological Engineering Laboratory

GEP EEE - Drinking Water Issues in Rural Colombia (GEP is Global Engineering Program)

                Video 1; Video 2, Video 3

CE 350 - Introduction to Environmental Engineering

CE 597 - Water Chemistry

CE 559 -  Water Quality Modeling (see EEE 300 link above)


Previously Taught

CE 353 - Physico-Chemical Principles of Environmental Engineering

EPICS - Engineering Projects in Community Service (CE 296/396/496)-Constructed Wetlands/Elliot Ditch

CE 651 - Advanced Environmental Science

CE 597 - Soil and Groundwater Remediation

CE 293 - Computers and Computer Programming in Civil Engineering


Local Links for Students


Macros - Here are some example Excel macros for Solving Problems in Water Chemistry


              Kinetic Examples


THOR+ - Purdue's Library for e-journals and Chemical Abstracts








Remote Software


Lab Safety

Research Interests, Sample Papers, and Projects

Chemical Speciation and Distribution in Engineered and Natural Systems 

Jafvert, Chad T., John C. Westall, Erwin Grieder, and Rene P. Schwarzenbach, "Distribution of Hydrophobic Ionogenic Organic Compounds Between Octanol and Water:  Organic Acids," Environmental Science & Technology, 24: 1795-1803, 1990.

Strathmann, Timothy J., and Chad T. Jafvert, “Ion-Pair Association of Substituted Phenolates with K+ in Octanol,” Environmental Toxicology and Chemistry, 17: 369-376, 1998.

Fábrega-Duque, José R., Chad T. Jafvert, Hui Li, and Linda S. Lee, “Modeling Competitive Cation Exchange of Aromatic Amines in Water-Saturated Soils,” Environmental Science and Technology, 35: 2727-2733, 2000.

Jafvert, Chad T., and Pradnya P. Kulkarni, “Buckminsterfullerene’s (C60) Octanol Water Partition Coefficient (Kow) and Aqueous Solubility, Environ. Sci. Technol., 42:5945-5950, 2008.

Chen, Chia-Ying, and Chad T. Jafvert, “Sorption of Buckminsterfullerene (C60) to Saturated Soils”, Environ. Sci. Technol., 43:7370-7375, 2009.


Environmental Photochemistry of Molecular Pollutants and Nanomaterials

Bezares-Cruz, Juan, Chad T. Jafvert, and Inez Hua, “Solar Photodecomposition of Decabromodiphenyl Ether: Products and Quantum Yield,” Environmental Science and Technology, 38: 4149-4156, 2004.

Chen, Chia-Ying, and Chad T. Jafvert, “The role of surface functionalization in the solar light-induced production of reactive oxygen species by single-walled carbon nanotubes in water”, Carbon, 49:5099-5106, 2011.

Hou, Wen-Che, Lingjun Kong, Kevin A. Wepasnick, Richard G. Zepp, D. Howard Fairbrother, and Chad T. Jafvert,, “Photochemical Transformation of Aqueous C60 Clusters: Wavelength Dependency and Product Characterization”, Environ. Sci. Technol., 44:6674-6679, 2010.

Hou, Wen-Che, Somayeh BeigzadahMilani, Chad T. Jafvert, Richard G. Zepp, “Photoreactivity of Unfunctionalized Single-Walled Carbon Nanotubes Involving Hydroxyl Radical: Chiral Dependency and Surface Coating Effects”, Environ. Sci. Technol., 48: 3875-3882, 2014.


Environmental Monitoring and Assessment

Hyun, Seunghun, Chad T. Jafvert, Byron Jenkinson, Carl Enfield, and Brian Johnson, “Measuring the Flux at the Interface of Coal-Tar Impacted Sediment and River Water near a Former MGP Site”, Chemosphere, 68:1020-1029, 2007.

Gall, Heather E., Chad T. Jafvert, and Byron Jenkinson, “Implementation of Hydrograph Modeling to Generate Storm-Specific Water Sampling Regimes”, Journal of Hydrology, 393:331-340, 2010.

Gall, Heather E., Stephen A. Sassman, Linda Lee, Chad T. Jafvert, “Hormone Discharges from a Midwest Tile-Drained Agroecosystem Receiving Animal Wastes”, Environ. Sci. Technol., 45:8755-8764, 2011.

Gall, Heather E., Stephen A. Sassman, Byron Jenkinson, Linda S. Lee, Chad T. Jafvert, “Hormone Loads Exported by a Tile-Drained Agroecosystem Receiving Animal Wastes”, Hydrological Processes., 28: 1318-1328, 2014.



Environmental Chemistry of Surfactants

Jafvert, Chad T., Patricia L. Van Hoof, and Janice K. Heath, "Solubilization of Nonpolar Compounds by Nonionic Surfactant Micelles," Water Research,  28: 1009-1017, 1993.

Larson, Richard A., Chad T. Jafvert, Francisco Boscá, Karen A. Marley, and Penney L. Miller, “Effects of Surfactants on Reduction and Photolysis (> 290 nm) of Nitroaromatic Compounds”, Environmental Science & Technology, 34: 505-508, 2000.

Lin, Ching-Chieh, and Chad T. Jafvert, “A Triple Layer, Planar Coordinate Model for Describing Counter-Ion Association to Micelles, Langmuir, 16: 2450-2456, 2000.


Sediment Remediation, Risk Assessment - Photos

Jafvert, Chad T., Douglas Lane, Linda S. Lee, and P. Suresh C. Rao, “Partitioning of Mono- and Polycyclic Aromatic Hydrocarbons in River Sediment Adjacent to a Former Manufactured Gas Plant Site”, Chemosphere, 62:315-321, 2006.

Kim, Yong Sang, Chad T. Jafvert, Sungmin Yoon, Seunghun Hyun, and Brian Johnson, “Potential Consolidation-Induced NAPL Migration from Coal Tar Impacted River Sediment under a Remedial Sand Cap”, Journal of Hazardous Materials, 162:1364-1370, 2009.

Hyun, Seunghun, Hyun Park, Mi-Youn Ahn, Andrew R. Zimmerman, and Chad T. Jafvert, “Fluxes of PAHs from coal tar-impacted river sediment under variable seepage rates”, Chemosphere, 80:1261-1267, 2010.

Kim, Yong Sang, Leila M. Nyberg, Byron Jenkinson and Chad T. Jafvert, “PAH Concentration Gradients and Fluxes through Sand Cap Test Cells install In Situ over River Sediments containing Coal Tar”, Environmental Science: Processes & Impacts, 15(8):1601-1612, 2013.


Water Treatment and Chlorine Chemistry

Jafvert, Chad T. and Richard L. Valentine, "Dichloramine Decomposition in the Presence of Excess Ammonia," Water Research, 21: 967-973, 1987.

Valentine, Richard L. and Chad T. Jafvert, "General Acid Catalysis of Monochloramine Disproportionation," Environmental Science & Technology, 22: 691-696, 1988.

Jafvert, Chad T., and Richard L. Valentine, "A Unified Chlorine-Ammonia Speciation and Fate Model," Environmental Science & Technology, 26: 557-586, 1992.


Current Research Projects:


       EPA STAR - Photochemical and Fungal Transformations of Carbon Nanotubes in the Environment

                 (Ph.D. Students Somayeh Beigzadeh Milani, Dan Su, Hsin Se Hsieh)


       Slow Sand Filtration for Drinking Water Treatment in Rural Areas in Developing Countries


       Weston - Coal Tar Contaminated Sediments - Recent Poster


       Centró de Investigaciones Hidráulicas e Hidrotécnicas - Webpage


       Environmental Restoration in China - Link, Summer Course



Centro Educativo Olaya Herrera” near Amaga, Antioquia, Colombia

Drinking water treated by Slow Sand Filtration, March 2014


Current and Former Graduate Students 

Somayeh Beigzadeh Milani (Ph.D. Student) Environmental Photochemistry of Functionalized Carbon Nanotubes

Hsin-Se Hsieh (Ph.D. Student) Reactivity of Carbon Nanotubes in the Natural Environment

Maria Julia Wiener (Ph.D. Student) The Human Water Cycle of the Wabash River Watershed (co-advised with L. Nies)

Yingcan Zhao (Ph.D. Student) Environmental Reactions of Graphene Oxide

Utami Irawati (Ph.D. Student) Chlorine Chemistry - Monochloramine Disproportionation and Hydrolysis revisited

Laura Duket (Ph.D. Student) Water Quality Testing of Point-of-Use Drinking Water Technologies in Developing Countries

Ming Chen (Ph.D. Student) Phosphate Recovery in natural waters

Makek Nuesry (MS 12/14) Nonthesis student

Fernado Segovia (MS 12/14) Nonthesis student

Daniel Bampoh  (M.S. 5/14) Nonthesis student

Zhangxin Wang (MS 5/14) Nonthesis student

Mian Wang (MS 5/14) Nonthesis student

Dan Su (M.S., 5/13) Product Characterization and Headspace Analysis of Solar Irradiated Aqueous C60 Clusters

Heather Gall (M.S.C.E., 12/08, Ph.D. 5/11) Hormone Transport in a Tile-Drained Agroecosystem Receiving Animal Waste Applications

Chia-Ying Chen (Ph.D. 12/10) Sorption and Photochemistry of Manufactured Carbon Nanomaterials in the Aquatic Environment

Wen-Che Hou (Ph.D. 12/09) Environmental Photochemistry of Aqueous Fullerene (C60) Clusters

Yong-Sang Kim (Ph.D. 12/08) Evaluation of an in-situ permeable sand cap for remediation of coal tar impacted river sediment

Pradnya Kulkarni (Ph.D. 12/07) Solubility and Partitioning of Buckminsterfullerene (C60)

Jennifer Kolbe (Ph.D. 8//06) Environmental Issues Related to Coal Ash Disposal with Emphasis on Boron and Arsenic Behavior (Co-Advisor with Linda S. Lee)

Matthew Smith (MSCE 4/04) Reductive Dechlorination of Technical Chlordane Congeners (co-advisor with L. Nies)

Douglas Lane (MSCE 4/03) Characterization of Coal Tar Contaminated Sediment and Preliminary Evaluation of Sediment Capping

Benjaporn Siripromachot (MSCE 12/02) Nonthesis Project: Acid-Extractable Solid Phase Composition of a Fly Ash-Filled Abandoned Coal Mine

Fuad Dahan (Ph.D. 5/02) Modeling Surfactant Adsorption to the Oil-Water Interface

Alan Chang (MSCE 12/00) Nonthesis Project: Photolysis of Decabromodiphenylether in Hexane, and Adsorbed to Water Saturated Sand 

Amy Chang (MSCE 7/00) Nonthesis student

Ching-Chieh (Jing-Jing) Lin (PhD 8/99) A Triple Layer Planar Coordinate Model for Describing Counter-Ion Association to Micelles

Jose Fabrega-Duque (PhD  8/99) Modeling Soil-Water Phase Transfer Processes of Aromatic Amines

Ameya Lamaya (MSCE 7/97) Nonthesis Project: Diffusion Dependent Chemical Reactions of initially Segregated Species in Laminar Shear Flows (Co-advisor with Vivek Kapoor)

Chung-Hee Chang (PhD 12/97) A Fluorescence Quenching Study of PAH Compounds in Aqueous Solutions Containing Interacting Cosolutes

Chihhao Fan (PhD 12/97) Solubilities of Polycyclic Aromatic Hydrocarbons in Alcohol-Water Mixtures

Claude Diehl (MS 12/96) Photolysis of Nitroarenes in Aqueous Solutions Containing Surfactants

Timothy Strathmann (MSCE 12/96) Ion-Pair Association of Inorganic Cations with Substituted Phenolate Anions in Octanol

Ching Yuan (PhD 12/95) Anionic and Nonionic Surfactant Phase Distribution Processes in Environmentally Relevant Matrices

Wei Chu  (PhD 8/94) Photochemical Reactions of Polychlorobenzenes and Polychlorobiphenyls in Surfactant Micelle and Surfactant-Extracted-Soil Solutions

Michael Ketcham (MS 5/94) A GIS Toolbox for Targeting Nonpoint Source Pollution in Urban Areas

Chihhao Fan (MSE 5/94) Assessing Monochloramine Hydrolysis in Chloramine Solution

Beth Vogt (MSCE 12/93) Desorption of p,p'-DDT from Historically Contaminated Sediment

Christopher Allen (MSCE 12/93) Water Quality Modeling of the White River

Foon-Yee Chong (MSE 6/93) -  Partitioning of Organic Acid Compounds between Octanol and Water


 Post-Doctoral Advisees


Patricia L. Van Hoof (Ph.D. from the University of Wisconsin), Post-Doctoral Research Associate, U.S. EPA Research Lab, Athens, GA., supported by a grant from  the EPA, Biosystems Technology Development Program, 1989-1991.

José Fabrega-Duque (Ph.D. from Purdue University) Post-doctoral Research Associate, Purdue University, School of Civil Engineering, supported by a grant from the Chemical Manufacturer’s Association, 2000-2001.

Seunghun Hyun (Ph.D. Purdue University, Agronomy Dept.), Post-doctoral Research Associate, Purdue University, School of Civil Engineering, supported by grants from NiSource (Co-PIs: S. Rao and L. Lee), 2003-2004; 2005-2006.

Amanda Neinow (Ph.D. from the University of Minnesota), Post-Doctoral Research Associate, Purdue University, supported directly by ACT I, a small business with research activities at the Purdue Technology Center of Northwest Indiana, Merrillville, IN, 2005-2006 (co-advised by Prof. Inez Hua).

Yong-Sang Kim (Ph.D. from Purdue University) Post-doctoral Research Associate, Purdue University, School of Civil Engineering, supported by a grant from NiSource Corporation, 2009.


Former Students and Post-Doctoral Associates at Universities


Wei Chu (Ph.D., 1994), Professor, Department of Civil and Structural Engineering, The Hong Kong Polytechnic University, Hun Hom Kowloon, Hong Kong.

Ching Yuan  (Ph.D., 1995), Dean of International Affairs and Professor (Department of Environmental Engineering), National University of Kaohsiung, Kaohsiung, Taiwan.

Timothy J. Strathmann (M.S.C.E., 1996), Associate Professor and Snoeyink Faculty Scholar, Department of Civil and Environmental Engineering, The University of Illinois, Champaign-Urbana, IL

Chihhao Fan (Ph.D., 1997), Associate Professor, Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, Taiwan.

Jose Fabrega-Duque (Ph.D.,  8/99), Acting Director of the Center for Hydraulics and Hydrotechnical Investigations (Centro de Investigaciones Hidráulicas e Hidrotécnicas), Vice Rectory for Research, Postgraduate Studies, and Extension, The Technical University of Panama (Universidad Tecnológica de Panamá)

Seunghun Hyun (Post-Doc, 2003-2006) Assistant Professor, Division of Environmental Science and Ecological Engineering, Korea University, Seoul, South Korea

Amanda Neinow (Post-Doc, 2005-2006) Associate Professor, Chemistry Department, Gustavus Adolphus College, St. Peter, MN

Wen-Che Hou (Ph.D., 2009) Assistant Professor, Department of Environmental Engineering, National Cheng Kung University, Tainan City, Taiwan

Heather Gall (Ph.D., 2011) Assistant Professor, Department of Agricultural and Biological Engineering, Pennsylvania State University, University Park, PA


Purdue University

College of Engineering

School of Civil Engineering

Division of Environmental and Ecological Engineering

Global Engineering Program

Purdue Water Community, Online Brochure

Center for the Environment (C4E)

Ecological Sciences and Engineering (ESE)

BGI Green Roof

Wabash River Enhancement Corporation






The Wabash River, Lafayette, Indiana