Department of Civil and Environmental Engineering Faculty at the University of Delaware.

Faculty Profile

Pei Chiu

Pei Chiu

468 ISE Lab
Newark, Delaware 19716
Phone: 302-831-3104
Research Website


1996 | Ph.D | Stanford University
1990 | Master | Stanford University
1987 | Bachelor | National Taiwan University


Research Interests:
Kinetics and mechanisms of pollutant degradation; chemical and microbial transformation processes; zero-valent iron and black carbon (biochar) for storm water and drinking water treatment


  • Environmental and Water Resources
  • Sustainability
  • Water


Saquing, J., Yu, Y.-H. and Chiu*, P. C. (2016) “Wood-Derived Black Carbon (Biochar) as a Microbial Electron Donor and Acceptor” Environmental Science&Technology Letters, in press. DOI: 10.1021/acs.estlett.5b00354
Yi, S., Witt, B., Chiu, P. C., Guo, M. and Imhoff, P. T. (2015) “The Origin and Reversible Nature of Poultry Litter Biochar Hydrophobicity” Journal of Environmental Quality, 44(3), 963-971.
Yu, Y.-H. and Chiu*, P. C. (2014) “Kinetics and Pathway of Vinyl Fluoride Reduction over Rhodium” Environmental Science&Technology Letters, 1(11), 448-452.
Chiu, P. C. (2013) “Applications of Zero-Valent Iron (ZVI) and Nanoscale ZVI to Municipal and Decentralized Drinking Water Systems – A Review” In: Novel Solutions to Water Pollution, American Chemical Society, Washington, DC, pp.237–249.
Shi, C., Wei, J., Jin, Y., Kniel, K. E. and Chiu*, P. C. (2012) “Removal of Viruses and Bacteriophages from Drinking Water Using Zero-Valent Iron” Separation&Purification Technology, 84, 72-78.

Phillips, K. L., Sandler, S. I. and Chiu, P. C. (2011) “A Method to Calculate the One-Electron Reduction Potentials for Nitroaromatic Compounds Based on Gas-Phase Quantum Mechanics.” Journal of Computational Chemistry, 32(2), 226-239.

Phillips, K. L., Chiu, P. C. and Sandler, S. I. (2010) “Reduction Rate Constants for Nitroaromatic Compounds Estimated from Adiabatic Electron Affinities.” Environmental Science&Technology, 44(19), 7431-7436.

Yazdani, R., Mostafid, M. E., Han, B., Imhoff, P. T., Chiu, P. C.,  Augenstein, D., Kayhanian, M. and Tchobanoglous, G. (2010) “Quantifying Factors Limiting Aerobic Activity During Aerobic Bioreactor Landfilling” Environmental Science&Technology, 44(16), 6215-6220.

Oh, S. Y. and Chiu, P. C. (2009) “Graphite- and Soot-Mediated Reduction of 2,4-Dinitrotoluene and Hexahydro-1,3,5-trinitro-1,3,5-triazine” Environmental Science&Technology, 43(18), 6983–6988.
Oh, S. Y., Chiu, P. C. and Cha, D. K. (2008) “Reductive Transformation of 2,4,6-Trinitrotoluene, Hexahydro-1,3,5-trinitro-1,3,5-triazine, and Nitroglycerin by Pyrite and Magnetite” Journal of Hazardous Materials, 158(2/3), 652-655.
Ye, J. and Chiu, P. C. (2006) “Transport of Atomic Hydrogen through Graphite and Its Reaction with Azoaromatic Compounds.” Environmental Science&Technology, 40(12), 3959-3964.
Oh, S. Y., Lee, J., Cha, D. K. and Chiu, P. C. (2006) “Reduction of Acrolein with Elemental Iron: Kinetics, Pathway, and Enhanced Biodegradation” Environmental Science&Technology, 40(8), 2765-2770.
Zhang J., Joslyn, A. and Chiu, P. C. (2006) “1,1-Dichloroethene as the Predominant Intermediate of Microbial Trichloroethene Reduction” Environmental Science&Technology, 40(6), 1830-1836.
Son, A., Lee, J., Chiu, P. C. and Cha, D. K. (2006) “Microbial Reduction of Perchlorate with Zero-Valent Iron.” Water Research, 40(10), 2027-2032.
Saxe, J. R., Lubenow, B. L., Chiu, P. C., Huang, C.-P. and Cha, D. K. (2006) “Enhanced Biodegradation of Azo Dyes Using an Integrated Elemental Iron-Activated Sludge System: I. Evaluation of System Performance” Water Environment Research, 78(1), 19-25.
Oh, S. Y., Chiu, P. C., Kim B. J. and Cha, D. K. (2005) “Zero-Valent Iron Pretreatment for Enhancing the Biodegradability of RDX” Water Research, 39(20), 5027-5032.
You, Y., Han, J., Chiu, P. C. and Jin, Y. (2005) “Removal and Inactivation of Waterborne Viruses Using Zero-Valent Iron” Environmental Science&Technology, 39(23), 9263-9269.
Oh, S. Y., Cha, D. K., Kim, B. J. and Chiu, P. C. (2005) “Transformation of Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX), Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX), and Methylenedinitramine (MDNA) with Elemental Iron” Environmental Toxicology&Chemistry, 24(11), 2812-2819.
Jafarpour, B., Imhoff, P. T. and Chiu, P. C. (2005) “Quantification and Modeling of 2,4-Dinitrotoluene Reduction with High-Purity and Cast Iron” Journal of Contaminant Hydrology, 76(1&2), 87-107.
Oh, S. Y., Cha, D. K., Kim B. J. and Chiu, P. C. (2004) “Reduction of Nitroglycerin with Cast Iron: Pathway, Kinetics, and Mechanisms” Environmental Science&Technology, 38(13), 3723-3730.
DiFrancesco, A. M., Chiu, P. C., Standley, L. J., Allen, H. E. and Salvito, D. (2004) “Dissipation of Fragrance Materials in Sludge-Amended Soils” Environmental Science&Technology, 38(1), 194-201.
Oh, S. Y., Chiu, P. C., Kim B. J. and Cha, D. K. (2003) “Enhancing Fenton Oxidation of TNT and RDX through Pretreatment with Zero-Valent Iron” Water Research, 37(17), 4275-4283.
Imhoff, P. T., Jakubowitch, A., Briening, M. L. and Chiu, P. C. (2003) “Partitioning Gas Tracer Tests for Measurement of Water in Municipal Solid Waste” J. Air&Waste Manage. Assoc., 53(11), 1391-1400.
Oh, S. Y., Cha, D. K. and Chiu, P. C. (2002) “Graphite-Mediated Reduction of 2,4-Dinitrotoluene with Elemental Iron” Environmental Science&Technology, 36(10), 2178-2184.
Perey, J. R., Chiu, P. C., Huang C. P. and Cha, D. K. (2002) “Zero-valent Iron Pretreatment for Enhancing Biodegradability of Azo Dyes” Water Environment Research, 74(3), 221-225.
Oh, S. Y., Cha, D. K., Kim B. J. and Chiu, P. C. (2002) “Effect of Adsorption to Elemental Iron on the Transformation of 2,4,6-Trinitrotoluene and Hexahydro-1,3,5-trinitro-1,3,5-triazine in Solution” Environmental Toxicology&Chemistry, 21(7), 1384-1389.
Lampron, K. J., Chiu, P. C. and Cha, D. K. (2001) “Reductive Dehalogenation of Chlorinated Ethenes with Elemental Iron: the Role of Microorganisms” Water Research, 35(13), 3077-3084.
Chiu, P. C. and Lee M. (2001) “2-Bromoethanesulfonate Affected Bacteria in a Trichloroethene-Dechlorinating Culture” Applied&Environmental Microbiology, 67(5), 2371-2374.

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