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The objective of the research described in this article was to partially bridge the gap between formation potentials in model systems, e.g., humic substances, and by-product concentrations likely to be encountered in finished waters. The chlorination by-products chosen for study were trihalomethanes, total organic halide, trichloroacetic acid, dichloroacetic acid, trichloroacetone, and dichloroacetonitrile. By-product formation from colored raw waters was found to be similar to that observed for aquatic humic and fulvic acids. Alum coagulation of a moderately colored surface water resulted in the removal of 50-90 percent of all by-product precursors tested. Includes 57 references, tables, figures.

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Edition: Vol. 82 - No. 4 Published: 04/01/1990 Number of Pages: 8File Size: 1 file , 1.6 MB