AWWA JAW27617

A pilot-plant study was conducted at two water utilities to evaluate alternative disinfectants--ozone, hydrogen peroxide, chlorine dioxide, chloramines, and potassium permanganate--for trihalomethane (THM) control and to determine the impact of their use on small water systems. Air stripping and activated carbon were also evaluated. Combinations of alternative disinfectants reduced THMs to a range of levels from approximately 160 ug/L using chlorine to 80ug/L (chlorine-monochloramine) or <5 ug/L (ozone-monochloramine). The costs of incorporating various process modifications into small water systems are estimated. Includes 17 references, tables, figures.

Product Details

Edition:

Vol. 82 - No. 6

Published:

06/01/1990

Number of Pages:

8

File Size:

1 file , 1.6 MB