TRB Category: 

Chul Park

Associate Professor

Featured Projects

Research and Background

Activated sludge process; Anaerobic digestion; Algae-based wastewater treatment processes; Bioflocculation of algae and bacteria; Metaproteomics; Reduction of excess sludge generation; Wastewater treatment effluents and estuarial eutrophication;

Contact Info

Chul Park
16A Marston Hall, College of Engineering, Department of Civil and Environmental Engineering, University of Massachusetts Amherst, 130 Natural Resources Road,
Amherst, Massachusetts 01003


Ph.D. Civil Engineering, Virginia Tech, 2007. M.S. Environmental Engineering, Virginia Tech, 2002. B.S. Environmental Engineering, Yeungnam University, 2000


Park, C. and Chon, D.H. (2015) High-rate anaerobic side-stream reactor processes to minimize the production of excess sludge. Water Environment Research. Accepted for publication.

Wang, M. and Park, C. (2015) Investigation of anaerobic digestion of Chlorella sp. and Micractinium sp. grown in high-nitrogen wastewater and their co-digestion with waste activated sludge. Biomass and Bioenergy 80, 30-37.

Kim, D.H., Lee, M.K., Hwang, Y., Lim, W.T., Yune, Y.M., Park, C., and Kim, M.S. (2015) Microbial granulation for lactic acid production. Biotechnology and Bioengineering. doi: 10.1002/bit.25540.

Wang, M., Kuo-Dahab, W.C., Dolan, S., and Park, C. (2014) Kinetics of nutrient removal and expression of extracellular polymeric substances of microalgae, Chlorella sp. and Micractinium sp., in wastewater treatment. Bioresource Technology 154, 131-137.

Nguyen, L.N., Hai, F.I., Nghiem, L.D., Kang, J., Price, W.E., Park, C., Yamamoto, K. (2014) Enhancement of removal of trace organic contaminants by powdered activated carbon dosing into membrane bioreactors. Journal of the Taiwan Institute of Chemical Engineers 45 (2), 571-578.

Wang, M., Sahu, A.K., Rusten, B., and Park, C. (2013) Anaerobic co-digestion of microalgae Chlorella sp. and waste activated sludge. Bioresource Technology 142, 585-590.

Baek, K., Wang, M., McKeever, R., Rieber, K., Park, C., and Nüsslein, K. (2013) Biodegradation of low concentration of 1,2-Dibromoethane in groundwater is enhanced by phenol. Applied Microbiology and Biotechnology. DOI 10.1007/s00253-013-4963-1

Baek, K., McKeever, R., Rieber, K., Sheppard, D., Park, C., Ergas, S.J., Nüsslein, K. (2012) The potential for aerobic cometabolism of 1,2-dibromoethane in contaminated groundwater. Bioresource Technology, 123, 207-213.

Kim, Y.M., Chon, D.H., Kim, H.S., and Park, C. (2012) Investigation of bacterial community in activated sludge with an anaerobic side-stream reactor (ASSR) to decrease the generation of excess sludge. Water Research 46, 4292-4300.

Yuan, X., Wang, M., Park, C., Sahu, A.K., and Ergas, S.J. (2012) Microalgae growth using high strength wastewater followed by anaerobic co-digestion. Water Environment Research 84(5), 396-404.

McKeever, R., Sheppard, D., Nüsslein, K., Baek, K., Rieber, K., Ergas, S.J., Forbes, R., Hilyard, M., and Park, C. (2012) Biodegradation of ethylene dibromide (1,2-Dibromoethane [EDB]) in microcosms simulating in situ and biostimulated conditions. Journal of Hazardous Materials 209-210, 92-98.

Chon, D.H., Rome, M., Kim, Y.M., Park, K.Y., and Park, C. (2011) Investigation of the sludge reduction mechanism in the anaerobic side-stream reactor process using several control biological wastewater treatment processes. Water Research 45, 6021-6029.

Chon, D.H., Rome, M., Kim, H.S., and Park, C. (2011) Investigating the mechanism of sludge reduction in activated sludge with an anaerobic side-stream reactor. Water Science and Technology 63 (1), 93-99.

Kim, J., Park, C., and Novak, J.T. (2011) Combination of coagulating agents, alum and cationic polymer, for sludge dewatering and odors. Korean Society of Civil Engineers Journal of Civil Engineering 15 (3), 447-451.

Kim, Y.M., Lee, D.S., Park, C., Park, D., and Park, J.M. (2011) Effects of free cyanide on microbial communities and biological carbon and nitrogen removal performance in the industrial activated sludge process. Water Research 45, 1267-1279.

Kim, Y.M., Cho, H.U., Lee, D.S., Park, C., Park, D., and Park, J.M. (2011) Response of nitrifying bacterial communities to the increased thiocyanate concentration in pre-denitrification process. Bioresouce Technology 102(2), 913-922.

Gu, A., Nerenberg, R., Sturm, B.M., Park, C., and Goel, R. (2010) Molecular methods in biological systems. Water Environment Research 82, 908-930.

Baek, K.H., Park, C., Oh, H.M., Yoon, B.D., and Kim, H.S. (2010) Diversity and abundance of ammonia-oxidizing bacteria in activated sludge treating different types of wastewater. Journal of Microbiology and Biotechnology 20(7), 1128–1133.

Westgate, P. and Park, C. (2010) Evaluation of proteins and organic nitrogen in wastewater treatment effluents. Environmental Science and Technology 44, 5352–5357.

Park, C., Fang, Y., Murthy, S.N., and Novak, J.T. (2010) Effects of floc aluminum on activated sludge characteristics and removal of 17-α-ethinylestradiol in wastewater treatment systems. Water Research 44, 1335-1340.

Ostendorf, D., Park, C., Rotaru, C., and Pereira, M. (2009) A case study of steady oxygen concentration gradients in a groundwater plume from a highway infiltration basin. ASCE Journal of Environmental Engineering 135, 1237-1243

Park, C. and Novak, J.T. (2009) Characterization of lectins and bacterial adhesins in activated sludge flocs. Water Environment Research 81, 755-764.

Park, C. and Helm, R.F. (2008) Application of metaproteomic analysis for studying extracellular polymeric substances (EPS) in activated sludge flocs and their fate in sludge digestion. Water Science and Technology 57, 2009-2015.

Park, C., Helm, R.F., and Novak, J.T. (2008) Investigating the fate of activated sludge exocelluar proteins in sludge digestion using sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE). Water Environment Research 80, 2219-2227.

Park, C., Novak, J.T., Helm, R.F., Ahn, Y., and Esen, A. (2008) Evaluation of the extracellular proteins in full-scale activated sludges. Water Research 42, 3879-3889.

Novak, J.T., Park, C., Higgins, M.J., Chen, Y.-C., Morton, R., Gary, D., Forbes, R., and Erdal, Z. (2007)Impacts of the MicroSludge™ process on odor causing compoundsin anaerobically digested biosolids. Water Practice 1.

Park, C. and Novak, J.T. (2007) Characterization of activated sludge exocellular polymers using several cation-associated extraction methods. Water Research 41, 1679-1688.

Park, C., Muller, C.D., Abu-Orf, M.M., and Novak, J.T. (2006) The effect of wastewater cations on activated sludge characteristics: effects of aluminum and iron in floc. Water Environment Research 78, 31-40.

Park, C., Abu-Orf, M.M., and Novak, J.T. (2006) The digestibility of waste activated sludges. Water Environment Research 78, 59-68.

Novak, J.T., Park, C., and Abu-Orf, M.M. (2005) Conditioning and dewatering of digested waste activated sludges-Closure. Journal of Residuals Science and Technology 2, 110-112.

Novak, J.T. and Park, C. (2004) Chemical conditioning of sludge. Water Science and Technology 49, 73-80.

Novak, J.T., Park, C., and Abu-Orf, M.M. (2004) Conditioning and dewatering of digested waste activated sludges. Journal of Residuals Science and Technology 1, 45-51.

Abu-Orf, M.M., Muller, C.D., Park, C., and Novak, J.T. (2004) Innovative technologies to reduce water content of dewatered municipal residuals. Journal of Residuals Science and Technology 1, 83-91.


Algal-sludge granule for wastewater treatment and bioenergy feedstock generation, provisional patent application submitted, (UMA 14-010), January 2014

Method for reducing sludge wasting and enhancing bio-hydrogen, full utility patent application submitted, (UMA 09-31) June, 2010

Effect of cations on activated sludge characteristics, No.20040149661, August 5, 2004

Curriculum Vitae

Full Curriculum Vitae