Method of Improving Efficiency of UV Photolysis of Peracetic Acid for Disinfection and Organic Destruction

摘要

A method of disinfecting municipal wastewaters comprises contacting the wastewater with a peracetic acid solution containing a relatively low amount of hydrogen peroxide in the presence of ultraviolet irradiation. In another aspect, a source of UV irradiation is selected to emit energy at one or more wavelengths at which PAA absorption is optimized or economized. The enhanced UV-PAA process may be used in a variety of other disinfection and organic destruction processes.