The Effect of UV Radiation on THM Formation in Drinking Waters

by Mirat D. Gurol, Drexel Univ, United States,
Edward Itell, Drexel Univ, United States,

Document Type: Proceeding Paper

Part of: Environmental Engineering


This study was undertaken to investigate the feasibility of using combined UV radiation/chlorination process in drinking water treatment for disinfection while producing lower concentrations of trihalomethanes (THMs) in water. Experiments were conducted on solutions of aquatic fulvic acid inocculated with E. Coli. UV/chlorination experiments produced higher THM values compared to chlorination alone for equal dosages of chlorine. There was no observable effect of UV/chlorination compared to chlorination alone on the formation of trihalomethane formation potential (THMFP) or total organic carbon (TOC) of solutions.

Subject Headings: Water treatment | Ultraviolet radiation | Trihalomethanes | Chlorine | Water quality | Water supply | Feasibility studies | Carbon compounds

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