Mechanisms, Chemistry, and Kinetics of Anaerobic Biodegradation of cDCE and VC

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Biological reductive dehalogenation of the chlorinated ethenes, tetrachloroethene (PCE) and trichloroethene (TCE) to cis-1,2-dichloroethene (cDCE), vinyl chloride (VC) and then ethene is of great interest both for natural attenuation and engineered remediation of these hazardous 2 contaminants in groundwater. This study was directed towards a better understanding of the factors affecting the rate and extent of conversions of cDCE and VC to ethene, which are generally considered the rate limiting steps in the overall process. The objectives of this study are to (1) determine the biochemical pathways for reductive dehalogenation of cDCE and VC, including identification of the enzymes involved, ... continued below

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McCarty, Perry L. & Spormann, Alfred M. June 1, 1999.

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Biological reductive dehalogenation of the chlorinated ethenes, tetrachloroethene (PCE) and trichloroethene (TCE) to cis-1,2-dichloroethene (cDCE), vinyl chloride (VC) and then ethene is of great interest both for natural attenuation and engineered remediation of these hazardous 2 contaminants in groundwater. This study was directed towards a better understanding of the factors affecting the rate and extent of conversions of cDCE and VC to ethene, which are generally considered the rate limiting steps in the overall process. The objectives of this study are to (1) determine the biochemical pathways for reductive dehalogenation of cDCE and VC, including identification of the enzymes involved, (2) determine the chemical requirements, especially the type and quantity of electron donors needed by the microorganisms for reductive dehalogenation, and (3) evaluate the kinetics of the process with respect to the concentration of both the electron donors and the electron acceptors (c DCE and VC).

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  • Other Information: PBD: 1 Jun 1999

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  • Report No.: EMSP-54666--1999
  • Grant Number: FG07-96ER62300
  • DOI: 10.2172/826072 | External Link
  • Office of Scientific & Technical Information Report Number: 826072
  • Archival Resource Key: ark:/67531/metadc778877

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  • June 1, 1999

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  • Dec. 3, 2015, 9:30 a.m.

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  • April 21, 2016, 6:39 p.m.

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McCarty, Perry L. & Spormann, Alfred M. Mechanisms, Chemistry, and Kinetics of Anaerobic Biodegradation of cDCE and VC, report, June 1, 1999; United States. (digital.library.unt.edu/ark:/67531/metadc778877/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.