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FORMATION AND CONTROL OF NON-TRIHALOMETHANE BYPRODUCTS
Citation:
Stevens, A., L. Moore, AND R. Miltner. FORMATION AND CONTROL OF NON-TRIHALOMETHANE BYPRODUCTS. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/D-89/037 (NTIS PB89222624).
Description:
Hundreds of organic byproducts of chlorination are now known to occur in drinking water along with the trihalomethanes. About twenty of these appear to be found with sufficient concentration are now known to occur in drinking water along with the trihalomethanes. bout twenty of these appear to be found with sufficient frequency and in sufficient concentration to attract consideration for regulations. hese include chloral hydrate, chloropicrin, a trichloropropanone, haloacetonitriles, and haloacetic acids. rihalomethane concentrations do not serve as good predictors of concentrations of these other byproducts because their conditions of formation vary widely. his is especially true when pH is changed. reatment strategies for control of these byproducts including the trihalomethanes are: 1. Remove the compounds after they are formed; 2. Remove precursors; 3. Use other disinfectants. The first option is not attractive because much of the formation occurs after the water enters the distribution system. dditionally, several of the compounds would be difficult to remove by established treatment processes. urrent evidence supports the idea that precursor removal processes effective for trihalomethane control may be effective for the other byproducts as well.