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 


Two drum Slow Sand Filters constructed at the school in San Jose del Playón in Bolivar Colombia, August 2016

Primary school students and Purdue students at the public school in San Jose del Playón in Bolivar Colombia, August 2016.

A slow sand filter and water storage (and chlorination) tank, installed at Inland Scholastic Academy, near Eldoret, Kenya, January 2017.  Click here for Video

The water before and after treatment (SSF and chlorination) at the Inland Scholastic Academy.


Recent paper link:  Carbon, 123:216-222, 2017   
(Title: "Light-independent redox reactions of graphene oxide in water:
Electron transfer from NADH through graphene oxide to molecular oxygen,  producing reactive oxygen species"
(available free online until October 26, 2017)

Recent paper link: Env. Sci. Technol. Letters, 4:325-333, 2017 
(Title: "Worksite chemical air emissions and worker exposure during sanitary sewer
and stromwater pipe rehabilitation using cured-in-place-pipe (CIPP)

Other Recent Papers:


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



Active for 2017-2018

CE 559 -  Water Quality Modeling (see EEE 300 link above)  Click here for the Syllabus.

EEE 56000-001  The Internet of Sustainability (a 1 credit module about the Internet-of-Things for sustainability)

EEE 495 - Environmental Chemodynamics

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

                Video 1; Video 2, Video 3


Recent (2015-2017)

EEE 360 - Environmental and Ecological Engineering Laboratory

EEE 300 - Environmental and Ecological Systems Modeling


Previously Taught

CE 293 - Computers and Computer Programming in Civil Engineering

CE 350 - Introduction to Environmental Engineering

CE 353 - Physico-Chemical Principles of Environmental Engineering

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

CE 597 - Water Chemistry

CE 597 - Soil and Groundwater Remediation

CE 651 - Advanced Environmental Science


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








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.

Zhu, Tengyi, Chad T. Jafvert, Dafang Fu, Yue Hu, “A Novel Method for Measuring Polymer-Water Partition Coefficients of Hydrophobic Organic Compounds”, Chemosphere, 138:973-979, 2015.


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

Zhao, Yingcan, Chad T. Jafvert, “Environmental Photochemistry of Single Layered Graphene Oxide in Water”, Environmental Science: Nano, 2:136-142, 2015.

Hsieh, Hsin-Se, Chad T. Jafvert, “Reactive Oxygen Species Generation and Dispersant-Dependent Electron Transfer through Single-Walled Carbon Nanotubes in Water”, Carbon, 89:361-371, 2015.


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.

 Zhu, Tengyi, Chad T. Jafvert, Dafang Fu, Byron Jenkinson, “Calibration and Application of an Automated Seepage Meter for Monitoring Water Flow across the Sediment-Water Interface”, Environmental Monitoring and Assessment, 187:171, 2015.


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

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.

Zhu, Tengyi, Dafang Fu, Chad T. Jafvert, Rajendra Prasad Singh, “Modeling of Gas Generation from the River Adjacent to the Manufactured Gas Plant”, Royal Society of Chemistry (RSC) Advances, 5: 9565-9573, 2015.


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, Yingcan Zhao)


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


       Citizens Energy/August Mach - Manufactured Gas Plant (MGP) site remediation - Coal Tar


       Centró de Investigaciones Hidráulicas e Hidrotécnicas - Webpage


       Environmental Restoration in China


       Water Reuse - Link    Recent open access paper - Link


       Cured-in-Place-Pipe (CIPP)  - CDC Blog post





Centro Educativo Olaya Herrera” near Amaga, Antioquia, Colombia

Drinking water treated by slow sand filtration and then chlorination, March 2014


Current and Former Graduate Students 

John Maiyo (Ph.D. Student, EEE) Monitoring Turbidity and Chlorine remotely in Schools in Western Kenya (co-advised with J. Howarter)

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

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

Ming Chen (Ph.D. 5/17) Anion Exchange on Cross-Linked Cationic Surfactant Milcelles Across Ultrafiltration Membranes

Yingcan Zhao (Ph.D. 8/16) Environmental Reactions of Graphene Oxide

Xuda Lin (MSCE 8/16) Nonthesis student

YiChen Wu (MSCE 5/16) Nonthesis student

Yining Feng (MSCE 5/16) Nonthesis student

Hsin-Se Hsieh (Ph.D. 12/15) Carbon Nanotube Mediated Redox Reactions in Water

Somayeh Beigzadeh Milani (Ph.D. 5/15) Photochemistry of Single-WalledCarbon Nanotubes in the Aquatic Environment, and their Extraction from Soil

Laura Duket (M.S. 5/14) Nonthesis student

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), Professor, Colorado School of Mines, Golden, CO

  • 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

  • Yong-Sang Kim (Ph.D. 12/08) Guam Hydrologic Survey Research Associate, Water and Environmental Research Institute of the Western Pacific, University of Guam

  • 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

  • Tengyi Zhu (Ph.D. student from Southeast University; Visiting Scholar at Purdue from Sept. 2011 to Aug. 2013; Ph.D. Thesis was based on work performed in Jafvert's Lab), Assistant Professor, Yangzhou University, Yangzhou China

  • Chia-Ying Chen (Ph.D., 2010) Assistant Professor, Department of Environmental Engineering, National Chung Hsing University, Taichung, Taiwan



Purdue University

College of Engineering

School of Civil Engineering

Division of Environmental and Ecological Engineering (Video)

Global Engineering Program

Center for the Environment (C4E)

Ecological Sciences and Engineering (ESE)


External to Purdue






The Wabash River, Lafayette, Indiana