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Paul Westerhoff

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School of Sustainable Engineering and the Built Environment
Regents Professor
Faculty, TEMPE Campus, Mailcode 3005
Sustainability Scientists and Scholars
Distinguished Sustainability Scientist
Faculty w/Admin Appointment, TEMPE Campus, Mailcode 3005
School for the Future of Innovation in Society > Related Faculty
Regents Professor
Faculty, TEMPE Campus, Mailcode 3005
Biography: 

Paul Westerhoff is a Regents Professor in the School of Sustainable Engineering and the Built Environment in the Ira A. Fulton Schools of Engineering, and member of the civil, environmental and sustainable engineering faculty, at Arizona State University.

Professor Westerhoff joined ASU in August 1995 and was promoted to full professor as a University Exemplar in 2007. He served as department chair in civil and environmental engineering, and was the founding director for the School of Sustainable Engineering and the Built Environment.

Professor Westerhoff has a strong publication and research record, has garnered wide recognition for his work related to treatment and occurrence of emerging contaminants in water, and has been active in multidisciplinary research. He has led research funded by AWWARF, USEPA, NSF, DOD and local organizations investigating the fate of nanomaterials in water, use of nanomaterial-based technologies for water and reuse treatment, reactions and fate of oxo-anions (bromate, nitrate, arsenate) during water treatment, characterization, treatment and oxidation of natural organic matter in watersheds, formation of disinfection by-products, removal of taste and odor micropollutants. He has more than 260 peer reviewed journal article publications and an H-Index > 60. He belongs to ASCE, AWWA, AEESP, ACS, IOA, IWA, AWPCA, and IHSS and serves on numerous voluntary committees for these organizations. He currently is co-chair of the U.S.-European Expsoure Community of Researchers. Westerhoff has received several research awards including the 2018 WEF Fair Distinguished Engineering Educator Medal, in 2018 became an International Water Association (IWA) Fellow, 2017 Sustainable Nanotechnology Organization (SNO) Achievement Award, the 2006 WEF Paul L. Busch Award.  He is currently the deputy director of the NSF-funded Nanosystems Engineering Research Center for Nanotechnology Enabled Water Treatment (NEWT).

CV
Binary Data Curriculum Vitae
Education: 
  • Ph.D. Civil, Arch., and Env. Engineering, University of Colorado-Boulder 1995                
  • M.S. Civil and Env. Engineering, University of Massachusetts-Amherst 1991
  • B.S. Civil Engineering, Lehigh University 1989
Research Interests: 

Prof. Westerhoff's research focuses on emerging issues in water treatment and developing novel treatment technologies to address todays and emerging issues.

Publications: 
  • Hanigan, D., Ferrer, I., Thurman, M., Herckes, P., Westerhoff, P. “LC/QTOF-MS Fragmentation of N-nitrosodimethylamine Precursors in Drinking Water Supplies is Predictable and Aids Their Identification”, J. Hazardous Materials, 323, 18-25 (2017)
  • Schoepf, J.J., Bi, Y., Kidd, J., Herckes, P., Hristovski, K., Westerhoff, P., “Detection and Dissolution of Needle-like Hydroxyapatite Nanomaterials in Infant Formula”, NanoImpact, 5:22-28 (2017)
  • Reed, R., Martin, D., Bednar, A., Montano, M.D., Westerhoff, P., Ranville, J.F. “Multi-day diurnal measurements of Ti-containing nanoparticle and organic sunscreen chemical release during recreational use of a natural surface water”, Environmental Science: Nano, 4:1:69-77 (2017)
  • Yang, Y., Reed, R., Schoepf, J., Hristovski, K., Herckes, P., Westerhoff, P. “Prospecting nanomaterials in aqueous environments by cloud-point extraction coupled with transmission electron microscopy ”, Science of the Total Environment, 584-585:515-522 (2017)
  • Chen, T., Delgada, A., Burcu, Y., Maldonado, J., Zuo, Y., Kamath, R., Westerhoff, P., Krajmalnik-Brown, R., Rittmann, B. “Interpreting interactions between ozone and residual petroleum hydrocarbons in soil” Environmental Science and Technology, 51:1:506-513  (2017)
  • O’Neal Stancl, H., Garcia-Sergura, S., Hristovski, K., Westerhoff, P. “Challenges in photocatalytic reduction of nitrate as a water treatment technology”, Science of the Total Environment, 599-600:1524-1551 (2017)
  • Gifford, J.M., Hristovski, K., Westerhoff, P., “Ranking Traditional and Nano-Enabled Sorbents for Simultaneous Removal of Arsenic and Chromium From Simulated Groundwater”, Science of the Total Environment, 601-602: 1008-1014 (2017)
  • Apul, O., Hoogesteijn von Reitzenstein, N., Schoepf, J., Ladner, D., Hristovski, K., Westerhoff, P. “Superfine Powdered Activated Carbon Incorporated into Electrospun Polystyrene Fibers Preserve Adsorption Capacity”, Science of the Total Environment, 592: 458-464 (2017).
  • Wang, Z., Shao, D., Westerhoff, P., “Wastewater discharge impact on drinking water sources along the Yangtze River (China)”, Science of the Total Environment, 599-600, 1399-1407 (2017)
  • Hanigan, D., Truong, L., Simonich, M., Tanguay, R., “Zebrafish Embryo Toxicity of 15 Chlorinated, Brominated, and Iodinated Disinfection By-products”, Journal of Environmental Sciences, 58:302-310 (2017)
  • Lanzarini-Lopes, M., Garcia-Segura, S., Hristovski, K., Westerhoff, P. “Electrical energy per order and current efficiency for electrochemical oxidation of p-chlorobenzoic acid with boron-doped diamond anode”, Chemosphere, 188:304-311 (2017)
  • Lankone, R., Challis, K., Bi. Y., Hanigan, D., Reed, R., Zaikova, T., Hutchison, J., Westerhoff, P., Ranville, J., Fairbrother, H., Gilbertson, L., “Methodology for Quantifying Engineered Nanomaterial Release from Diverse Product Matrices Under Outdoor Weathering Conditions and Implications for Life Cycle Assessment”, Environmental Science: Nano 4:9:1784-1797 (2017)
  • Tugaoen, H.O., Herckes, P., Hristovski, K., Westerhoff, P. “Influence of Ultraviolet Wavelengths on Kinetics and Selectivity for N-Gases during TiO2 Photocatalytic Reduction of Nitrate”, Applied Catalysis B:  Environmental, 220: 597-606 (2018)
Research Activity: 
Spring 2021
Course NumberCourse Title
EVE 492Honors Directed Study
CEE 492Honors Directed Study
EVE 493Honors Thesis
CEE 493Honors Thesis
CEE 499Individualized Instruction
CEE 561Phys-Chem Treat/Water & Waste
CEE 580Practicum
CEE 590Reading and Conference
CEE 591Seminar
CHE 592Research
CEE 592Research
CHE 593Applied Project
CEE 593Applied Project
CEE 595Continuing Registration
CHE 599Thesis
CEE 599Thesis
CEE 790Reading and Conference
MSE 792Research
CEE 792Research
CHE 792Research
CEE 795Continuing Registration
CHE 795Continuing Registration
CHE 799Dissertation
CEE 799Dissertation
Fall 2020
Course NumberCourse Title
EVE 302EnvEngineer Fundmntls:Phys/Chm
EVE 492Honors Directed Study
CEE 492Honors Directed Study
CEE 493Honors Thesis
EVE 493Honors Thesis
CEE 499Individualized Instruction
CEE 590Reading and Conference
CEE 592Research
CHE 592Research
CEE 593Applied Project
CHE 593Applied Project
CEE 595Continuing Registration
CHE 599Thesis
CEE 599Thesis
CEE 790Reading and Conference
CEE 792Research
MSE 792Research
CHE 792Research
CEE 795Continuing Registration
CHE 795Continuing Registration
CEE 799Dissertation
CHE 799Dissertation
Summer 2020
Course NumberCourse Title
CEE 590Reading and Conference
CEE 592Research
CEE 593Applied Project
CEE 595Continuing Registration
CEE 790Reading and Conference
CEE 792Research
MSE 792Research
CHE 792Research
CEE 795Continuing Registration
CEE 799Dissertation
Spring 2020
Course NumberCourse Title
CEE 492Honors Directed Study
CEE 493Honors Thesis
CEE 499Individualized Instruction
CEE 561Phys-Chem Treat/Water & Waste
CEE 580Practicum
CEE 590Reading and Conference
CEE 591Seminar
CEE 592Research
CHE 593Applied Project
CEE 593Applied Project
CEE 595Continuing Registration
CHE 599Thesis
CEE 599Thesis
CEE 790Reading and Conference
MSE 792Research
CHE 792Research
CEE 792Research
CEE 795Continuing Registration
CHE 795Continuing Registration
CEE 799Dissertation
CHE 799Dissertation
Fall 2019
Course NumberCourse Title
EVE 302EnvEngineer Fundmntls:Phys/Chm
EVE 492Honors Directed Study
CEE 492Honors Directed Study
EVE 493Honors Thesis
CEE 493Honors Thesis
CEE 499Individualized Instruction
CEE 590Reading and Conference
CEE 592Research
CEE 593Applied Project
CHE 593Applied Project
CEE 595Continuing Registration
CHE 599Thesis
CEE 599Thesis
CEE 790Reading and Conference
CEE 792Research
CHE 792Research
CEE 795Continuing Registration
CHE 795Continuing Registration
CHE 799Dissertation
CEE 799Dissertation
Summer 2019
Course NumberCourse Title
CEE 590Reading and Conference
CEE 592Research
CEE 593Applied Project
CEE 595Continuing Registration
CEE 790Reading and Conference
CEE 792Research
CHE 792Research
CEE 795Continuing Registration
CEE 799Dissertation
Spring 2019
Course NumberCourse Title
CEE 492Honors Directed Study
CEE 493Honors Thesis
CEE 499Individualized Instruction
CEE 561Phys-Chem Treat/Water & Waste
CEE 580Practicum
CEE 590Reading and Conference
CEE 592Research
CEE 593Applied Project
CEE 595Continuing Registration
CEE 599Thesis
CEE 790Reading and Conference
CEE 792Research
CHE 792Research
CHE 795Continuing Registration
CEE 795Continuing Registration
CHE 799Dissertation
CEE 799Dissertation
Fall 2018
Course NumberCourse Title
ASU 101-CEEThe ASU Experience
CEE 492Honors Directed Study
CEE 493Honors Thesis
CEE 499Individualized Instruction
CEE 590Reading and Conference
CEE 592Research
CHE 593Applied Project
CEE 593Applied Project
CEE 595Continuing Registration
CEE 598Special Topics
CEE 599Thesis
CEE 790Reading and Conference
CHE 792Research
CEE 792Research
CEE 795Continuing Registration
CHE 795Continuing Registration
CHE 799Dissertation
CEE 799Dissertation
Summer 2018
Course NumberCourse Title
CEE 590Reading and Conference
CEE 592Research
CEE 593Applied Project
CEE 595Continuing Registration
CEE 790Reading and Conference
CEE 792Research
CHE 792Research
CEE 795Continuing Registration
CEE 799Dissertation
Spring 2018
Course NumberCourse Title
EVE 302EnvEngineer Fundmntls:Phys/Chm
CEE 492Honors Directed Study
CEE 493Honors Thesis
CEE 499Individualized Instruction
CEE 580Practicum
CEE 590Reading and Conference
CEE 592Research
CEE 593Applied Project
CEE 595Continuing Registration
CEE 599Thesis
CEE 790Reading and Conference
CEE 792Research
CHE 792Research
CEE 795Continuing Registration
CHE 795Continuing Registration
CEE 799Dissertation
CHE 799Dissertation
Fall 2017
Course NumberCourse Title
ASU 101-CEEThe ASU Experience
CEE 492Honors Directed Study
CEE 493Honors Thesis
CEE 499Individualized Instruction
CEE 590Reading and Conference
CEE 592Research
CHE 593Applied Project
CEE 593Applied Project
CEE 595Continuing Registration
CEE 599Thesis
CEE 790Reading and Conference
CHE 792Research
CEE 792Research
CHE 795Continuing Registration
CEE 795Continuing Registration
CHE 799Dissertation
CEE 799Dissertation
Summer 2017
Course NumberCourse Title
CEE 590Reading and Conference
CEE 592Research
CEE 593Applied Project
CEE 595Continuing Registration
CEE 790Reading and Conference
CEE 792Research
CHE 792Research
CEE 795Continuing Registration
CEE 799Dissertation
Spring 2017
Course NumberCourse Title
CEE 492Honors Directed Study
CEE 493Honors Thesis
CEE 499Individualized Instruction
CEE 561Phys-Chem Treat/Water & Waste
CEE 580Practicum
CEE 590Reading and Conference
CEE 592Research
CEE 593Applied Project
CEE 595Continuing Registration
CEE 599Thesis
CEE 790Reading and Conference
CHE 792Research
CEE 792Research
CEE 795Continuing Registration
CHE 799Dissertation
CEE 799Dissertation
Fall 2016
Course NumberCourse Title
ASU 101-CEEThe ASU Experience
CEE 492Honors Directed Study
CEE 493Honors Thesis
CEE 499Individualized Instruction
CEE 590Reading and Conference
CEE 592Research
CHE 593Applied Project
CEE 593Applied Project
CEE 595Continuing Registration
CEE 599Thesis
CEE 790Reading and Conference
CEE 792Research
CHE 792Research
CEE 795Continuing Registration
CHE 799Dissertation
CEE 799Dissertation
Summer 2016
Course NumberCourse Title
CEE 590Reading and Conference
CEE 592Research
CEE 593Applied Project
CEE 595Continuing Registration
CEE 599Thesis
CEE 790Reading and Conference
CEE 792Research
CHE 792Research
CEE 795Continuing Registration
CEE 799Dissertation
Presentations: 
  • Westerhoff, Paul. Occurrence and treatment of algal metabolites that cause tastes and odors during water treatment. NSF-USAID-Egyptian Sponsored, The first Egypt-USA workshop on: Innovative treatment technologies for water, wastewater, sludge and other contaminated waters (May 2007).
  • Westerhoff, Paul. Early warning monitoring for algae caused taste and odors. Tri-State Annual Conference (Sep 2006).
  • Westerhoff, Paul. Removal of endocrine disrupting, pharmaceutical and personal care produced by drinking water treatment processes. 24th Annual meeting Mountain West Society of Toxicology (Sep 2006).
  • Westerhoff, Paul. Rapid Small Scale Column Tests (RSSCT) for Evaluating Arsenic. Workshop on EPA’s Arsenic Removal Demonstration Program: Results and Lessons Learned, Water Supply and Water Resources Division, National Risk Management Research Laboratory (Aug 2006).
  • Crittenden, J, Zhang, Y, Koenemann, B, Hristovski, K, Westerhoff, Paul, Chen, Y, Capco, D, Gerrity, D, Ryu, H, Abbaszadegan, M. Nanoparticles in water environment: characterization, removal, environmental applications, bio-accumulation, and cytotoxicity. Gordon Conference: Environmental Sciences: Water (What impact is our work having on the state of the environment?) (Jun 2006).
  • Westerhoff, Paul. Arsenic in Drinking Water. National Academy of Engineering – Japan-America Frontiers of Engineering (JAFOE) Symposium (Nov 2005).
  • Westerhoff, Paul. Iron impregnated GAC adsorbents for achieving multiple water quality goals (Arsenic removal). California-Nevada Section AWWA Annual Conference (Oct 2005).
  • Westerhoff, Paul. Rapid Small Scale Column Tests (RSSCT) for Evaluating Arsenic Adsorption Media. USEPA Workshop on Arsenic Removal from Drinking Water (Aug 2005).
  • Hristovski, K, Zhang, Y, Koeneman, B, Chen, Y, Westerhoff, Paul, Capco, D, Crittenden, J. Potential Roles on Nanotechnology in Sustainability. NSF Summer Institute on Nano Mechanics and Materials (Jun 2005).
  • Westerhoff, Paul, Navvaron, J, Esparza, M, Chen, B. Groundwater quality along the US-Mexico Border: Arsenic. Transboundary Waters Management Conference (Nov 2004).
  • Westerhoff, Paul. Regional water quality monitoring and evaluation for the metropolitan-Phoenix area water supply. NSF Arizona Water Quality Center (May 2004).
  • Westerhoff, Paul, Badruzzaman, M. Rapid Small Scale Column Test (RSSCT) – Procedures for Arsenic Studies and Application of Results. USEPA Arsenic Adsorption Media Conference
  • Westerhoff, Paul. Emerging contaminants in drinking water. Pretreatment Technology Transfer Meeting, City of Phoenix/AWPCA
  • Westerhoff, Paul. Nanomaterials: Challenges for Water and Wastewater Treatment.
  • Westerhoff, Paul. Organic Matter Characterization and Reaction with Disinfectants. University of Illinois, Water Campus Seminar
  • Westerhoff, Paul. Societial benefits and environmental challenges of bio- and nano-technologies. 20th Anniversary of the Environmental Quality Act and Arizona Department of Environmental Quality: Assessing and Protecting Arizona’s Water Quality
  • Westerhoff, Paul, Benn, T, Kiser, A, Zhang, A, Crittenden, J, Chen, Y, Capco, D, Koenemann, B, Rittmann, B, Dotson, A. Fate of Engineered Nanomaterials During Water & Wastewater Treatment. ISEA Conference
  • Westerhoff, Paul, Chen, B, Krasner, S. Fate and Transport of Wastewater Derived DBPs and DBP Precursors in Rivers and Streams. WEFTEC Annual Conference, Workshop 112
  • Westerhoff, Paul, Crittenden, J, Zhang, Y, Chen, Y, Chen, Z, Kiser, A, Benn, T. Detection and Fate of Commercial Nanomaterials During Wastewater Treatment / Treatability of Nanomaterials in Water. WEFTEC Annual Conference, Session 99
  • Westerhoff, Paul, Zhang, P, Crittenden, J. Modeling Fluxes of Water and Salt through the Urban Infrastructure. 9th Annual CAP LTER Symposium
  • DeHann, M, Dole, E, Westerhoff, Paul, Martindale, A. Media Performance City of Mesa, AZ Experience. USEPA Arsenic Adsorption Media Conference
  • Westerhoff, Paul. EDC and PhAC Removal in Bench-scale Water Treatment Studies. AwwaRF Technology Transfer Conference, Endocrine Disrupting and Pharmaceutically Active Compounds and Personal Care Products: Where we are now and what lies ahead
  • Westerhoff, Paul. Fundamental Aspects of Arsenic Chemistry, Analytical Methods and Laboratory Testing Protocol for Arsenic Removal. Evaluating Arsenic Removal Solutions in Northern California, Severn Trent Services Special Seminar Series
  • Westerhoff, Paul. Applications for Laboratory Column Tests in Evaluating Arsenic Adsorption Media. New Mexico Environmental Health Annual Conference: Arsenic Forum (Invited by Malcolm Siegel from Sandia National Laboratories)
  • Westerhoff, Paul. Emerging Contaminants: Nitrogenous Disinfection By-Products & Control of Organic Nitrogen. Virginia AWWA Research Committee Seminar: Emerging Source Water Considerations and Issues
  • Westerhoff, Paul. Rapid Small Scale Column Testing (RSSCT): Research and or Testing Arsenic Treatment Technologies. Arsenic Remediation Coalition LLC "Solutions for Resolving Arsenic Contaminated Drinking Water"
  • Leenheer, J, Westerhoff, Paul. Dissolved Organic Nitrogen Fractionation. IHSS Meeting
  • Westerhoff, Paul. Contribution of Wastewater Effluents to Drinking Water Treatment Plants: Not Everyone Lives Upstream. Safe Drinking Water: Where Science Meets Policy
  • Westerhoff, Paul. Survey of Drinking Water Quality at >4oo Public Taps in Eight Mexican States. Safe Drinking Water: Where Science Meets Policy
  • Chen, Z, Herckes, P, Westerhoff, Paul. Characterization of Pharmacueticals in Hospital Waste Effluent. 2007 Water Quality Center Meeting
  • Crittenden, John, Ahang, Yang, Koenemann, Brian, Hristovski, Kiril, Westerhoff, Paul, Chen, Yongsheng, Capco, David, Gerrity, Daniel, Ryu, Hodon, Abbaszadegan, Morteza. NANOPARTICLES IN WATER ENVIRONMENT: CHARACTERIZATION, REMOVAL, ENVIRONMENTAL APPLICATIONS, BIO-ACCUMULATION, & CYTOTOXICITY.
  • Westerhoff, Paul. Detection and Fate of Nanomaterials During Water and Wastewater Treatment. Emerging Contaminants Group and Internet presentation
  • Westerhoff, Paul. etection and Fate of Nanomaterials During Water and Wastewater Treatment. Emerging Contaminants Workshop, Maricopa Cooperative Extension Office
  • Westerhoff, Paul. Fate of organic chloramines. 2007 Water Quality Center Meeting
  • Westerhoff, Paul. Nanoparticle Interactions during wastewater and water treatment. Nanotechnology: Fate and Transport of Engineered Nanomaterials, NIEHS organized in.org/conf/tio/nano6
Service: 
  • Environmental engineering group in Civil and Environmental Engineering, Group Coordinator (2002 - Present)
  • Fulton School of Engineering Research Advisory, Member (2002 - 2008)
  • Honors Disciplinary Faculty (Barrett, The Honors College, ASU), (2006 - 2007)
  • AwwaRF Project 3182 (An electrochemical reactor to minimize brominated DBPs: Impact on coagulation and ozonation), Advisory Committee Member (2005 - 2007)
  • AwwaRF Public Council on Drinking Water Research, Member (2005 - 2007)
  • International Advisory Board, Member (2005 - 2007)
  • Department of Civil and Environmental Engineering, Arizona State University, Environmental/Water group coordinator (2004 - 2007)
  • ASU selection committee for Graduate Mentoring Awards, Member (2007)
  • CEE Academic Affairs Committee, Member (2005 - 2006)
  • CEE Ad Hoc Committee on Program & Tech Fees, Chair (2006)
  • ASLO Conference Planning Committee, Invited member, session chair for Feb 2005) (2004 - 2005)
  • NSF Workshop: Advancing the Quality of Water, Invited participant (2005 - 2005)
  • Chemical and Materials Engineering Department, Faculty Search Committee Member (3 searches) (2003 - 2004)
  • Associate Dean for Research (Fulton School of Engineering), Search Committee Member (2004)
  • Efficient Curriculum Committee, Civil and Environmental Engineering, Chair (2004)
  • USEPA Office of Pesticide Protection Planning Workshop, Invited participant (2004)
  • AwwaRF Arsenic Planning Workshop, Invited participant (2003)
  • Advances in Environmental Research, Reviewer (Present)
  • American Chemical Society, Member (Present)
  • American Environmental Engineering Science Professors, Member (Present)
  • American Society of Civil Engineers, Member (Present)
  • American Water Works Association (AWWA), Member (Present)
  • Arizona Water Pollution Control Association, Member (Present)
  • Environmental Science and Technology, Reviewer (Present)
  • International Humic Substances Society, Member (Present)
  • International Ozone Association, Member (Present)
  • International Water Association, Member (Present)
  • Journal of Air & Waste Management Association, Reviewer (Present)
  • Journal of Hydrology, Reviewer (Present)
  • Ozone Science and Engineering, Reviewer (Present)
  • Waste Management Journal, Reviewer (Present)
  • Water Research, Reviewer (Present)
Expertise Areas: 
Food, Water, and Energy Nexus
Environmental Geochemistry