Biological reductive dechlorination
WebA biological process for remediation of groundwater contaminated with tetrachloroethylene (PCE) and trichloroethylene (TCE) can only be applied if the transformation products are … WebReductive Dechlorination Reductive dechlorination is adistinct metabolic pathway wherein halo-respiring bacteria usetheCVOC as anelectron acceptor. Theelectron donor is typically a carbon substrate or molecular hydrogen (produced by thefermentation of acarbon substrate). The dechlorination is a sequential hydrogenolysis wherein chlorines ...
Biological reductive dechlorination
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WebAug 1, 1991 · Anaerobic methanol-PCE enrichment cultures which proved capable of dechlorinating high concentrations PCE to ethene were developed and suggest that reductive dechlorination could be exploited for bioremediation of PCE-contaminated sites. Tetrachloroethene, also known as perchloroethylene (PCE), is a common groundwater … WebAdvanced Biological Treatment for Industrial Wastewaters: Principles & Applications, IWA Publishing, London, UK. ... Reductive Dechlorination of Chloroalkenes in Microcosms Developed with a Field Contaminated Soil. Chemosphere. 27(4), 585-595. Pavlostathis, S. G.* and D. Morrison. 1994. Response of Continuous-Flow Activated Sludge Reactors to ...
WebOct 1, 1989 · To sustain reductive dechlorination of PCE and TCE, it was necessary to supply an electron donor; methanol was the most effective, although hydrogen, formate, acetate, and glucose also served. WebBiological Reductive Dechlorination ofTetrachloroethylene and Trichloroethylene to Ethylene under Methanogenic Conditions DAVIDL. FREEDMANANDJAMESM. GOSSETT* School ofCivil andEnvironinental Entgineering, Cornell Uniiversiky, Ithaca, New York 14853-3501 Received 13 February 1989/Accepted 8 June 1989
WebNational Center for Biotechnology Information WebSeveral physico-chemical and biological technologies have been used to remove PCP and PCDD/Fs from the environment. Bacterial degradation appears to be a cost-effective way of removing these contaminants from soil while causing little impact on the environment. ... Reductive dechlorination of 1,2,4-TCDD yielded 1,3-DCDD, while 1,2,3-TCDD was ...
WebApr 10, 2024 · The reductive dechlorination ability of this material was also demonstrated using electrochemical experiments. The 2,4-D adsorption capacity, electron transfer ability and free radical generation mechanism occurring at key active sites were all evaluated using density functional theory (DFT) calculations.
WebThese processes involve the transfer of electrons from an electron donor (food source) to an electron acceptor. Three categories of metabolic processes are involved in the … how many gb is assassin\u0027s creed origins pcWebReductive dechlorination of low concentration polychlorinated biphenyls as affected by a rhamnolipid biosurfactant J Microbiol Biotechnol. 2008 Sep;18(9):1564-71. Authors ... Du … how many gb is asphalt 9 legendsWebBruton, TA, Pycke, BFG & Halden, R 2015, ' Effect of nanoscale zero-valent iron treatment on biological reductive dechlorination: A review of current understanding and … hout gommenWebNov 4, 1988 · These dechlorination products are both less toxic and more readily degraded by aerobic bacteria. These results indicate that reductive dechlorination may be an … how many gb is assassin\u0027s creed valhallaWebDec 1, 2007 · Biological reductive dechlorination produces innocuous ethane or CO 2. Inorganics: Perchlorate; Chlorate; Nitrate; Nitrite; Bromate; Biological reduction produces innocuous end products (Cl–, N 2, Br–, H 2 O), thus eliminating the generation of a contaminated concentrate stream. Selenate; hout groothandelWebDec 31, 1995 · Enhanced reductive dechlorination (ERD) has rapidly become a remedy of choice for use on chlorinated solvent contamination when site conditions allow. With this … how many gb is assassin\\u0027s creed origins pcWebThe purpose of this document is to provide a framework for design submittals for enhanced reductive dechlorination (ERD) systems, including a summary of best practices for bioremediation design, tips for appropriate quality assurance ... ERD is a type of enhanced in situ bioremediation used to promote anaerobic biological dechlorination of ... hout goud