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Chlorinated Organics in Simulated Groundwater Environments
Tetrachloromethane and 1,1, 1‐trichloroethane were transformed in microcosms composed of aquifer materials to trichloromethane and 1,1‐dichloroethane, respectively. Further observations of tri‐ and tetrachloroethene in microcosms demonstrated the transformation of these compounds to dichloroethene. Biotransformation products of these four solvents by freshwater sediment microbiota, in sealed static microcosms, were determined by gas chromatography during incubation at ambient temperatures in the dark for periods of up to 16 weeks. Under conditions of neutral to acid pH, reductive potential, and the absence of oxygen and light, reductive dehalogenation of these four compounds occurred. Chlorinated alkenes were consistently more resistant to biotransformation than the chlorinated alkanes.
Chlorinated Organics in Simulated Groundwater Environments
Tetrachloromethane and 1,1, 1‐trichloroethane were transformed in microcosms composed of aquifer materials to trichloromethane and 1,1‐dichloroethane, respectively. Further observations of tri‐ and tetrachloroethene in microcosms demonstrated the transformation of these compounds to dichloroethene. Biotransformation products of these four solvents by freshwater sediment microbiota, in sealed static microcosms, were determined by gas chromatography during incubation at ambient temperatures in the dark for periods of up to 16 weeks. Under conditions of neutral to acid pH, reductive potential, and the absence of oxygen and light, reductive dehalogenation of these four compounds occurred. Chlorinated alkenes were consistently more resistant to biotransformation than the chlorinated alkanes.
Chlorinated Organics in Simulated Groundwater Environments
Parsons, Frances (author) / Lage, Gladys B. (author)
Journal ‐ American Water Works Association ; 77 ; 52-59
1985-05-01
8 pages
Article (Journal)
Electronic Resource
English
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