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The formation of trichloronitromethane (chloropicrin) and chloroform in a combined ozonation/chlorination treatment of drinking water



The formation of trichloronitromethane (chloropicrin) and chloroform in a combined ozonation/chlorination treatment of drinking water



Water Research 22(3): 313-319



Chloration of waters from mesotrophic Lake Zurich and eutrophic Greifense formed about 0.4 and 2.mu.g l-1 of trichloronitromethane (TCNM) respectively. Pre-ozonation increased these values to about 2 and 6.mu.g l-1. The formation of chloroform was about 40 times higher than that of TCNM, but decreased somewhat, when pretreatment with ozone was performed. Posttreatment with activated carbon eliminates most TCNM but only part of the chloroform.

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Accession: 062013646

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DOI: 10.1016/s0043-1354(88)90120-0


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