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Dechlorination of 1,2,3-trichloropropane by zero-valent iron

Conference ·
OSTI ID:126363
;  [1]
  1. Univ. of Waterloo, Ontario (Canada)
This study investigated the dechlorination of aqueous 1,2,3-trichloropropane in the presence of zero-valent iron. Using flow-through column procedures, the rate of dechlorination was significantly enhanced by the presence of iron, with the half life decreasing in proportion to the iron surface area to solution volume ratio. Unlike previous results obtained for chlorinated C{sub 1} and C{sub 2} compounds, half-lives increased significantly over time, at rates ranging from 5.0 to 13.9 minutes per pore volume of water passed through the column. No accumulation of chlorinated products of degradation was detected, and the principal products of degradation were Cl{sup -} and propene. The products of degradation and the trends in pH suggest reductive dechlorination and dehydrochlorination to be the degradation mechanisms.
OSTI ID:
126363
Report Number(s):
CONF-950402--
Country of Publication:
United States
Language:
English

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