The Process and Water Quality Specialists

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San Diego Office


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Aleks Pisarenko, Ph.D.

Aleksey N. Pisarenko has a B.S. in Chemistry from York College of PA and Ph.D. in Chemistry from Miami University. Dr. Pisarenko has over 5 years of experience in water and wastewater treatment, conducting research on emerging water contaminants and development of mitigation strategies, and is a co-author of 16 publications and over 30 presentations. Dr. Pisarenko has conducted pilot-scale studies in advanced wastewater treatment, such as: membrane bioreactor (MBR); advanced oxidation, including O3/H2O2, UV/H2O2; and membrane filtration systems, including microfiltration (MF), ultrafiltration (UF), and reverse osmosis (RO). While working at Southern Nevada Water Authority, Dr. Pisarenko investigated the effects of oxidation on the effluent organic matter (EfOM) to minimize organic fouling of RO membranes and evaluated the impacts of various technologies on trace organic and inorganic contaminant mitigation in water reuse applications. His current work involves investigating the chemistry of NDMA and perfluorochemical (PFC) formation in wastewater during ozonation. For his Ph.D. work, Dr. Pisarenko was part of the team that investigated perchlorate ion formation in sodium hypochlorite and developed strategies to minimize potential contamination of drinking water. This work also resulted in recent development of Hypochlorite Assessment Model, which can be used to predict sodium hypochlorite decomposition and formation of chlorate and perchlorate ions. Dr. Pisarenko is interested in chemical oxidation technologies, membrane treatment, inorganic and organic water contaminants, development of novel technologies in water treatment and water reuse. Dr. Pisarenko is a member of American Water Works Association, American Chemical Society, and American Association for the Advancement of Science.