Biological reductive dechlorination
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 … WebFeb 6, 2024 · Innovative Enhanced Reductive Dechlorination Design Cleans Up Large, Fast Moving Plume. Remediation of Chlorinated Solvents at an Industrial Facilty. Learn More. SDS; Spec Sheet; ... Jeremy Birnstingl PhD Discusses Biological Degradation. Video. In Situ Remediation of Chlorinated Solvents in Italy. Video. An Animated …
Biological reductive dechlorination
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WebDec 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; WebAccelerated dechlorination of soil and water contaminated with chlorinated solvents is achieved by stimulating anaerobic microorganisms and thus …
WebDec 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 approach, solutions of an organic substrate are injected into the affected aquifer to stimulate biological growth and the resultant production of reducing conditions in the target zone. WebNov 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 …
WebA biological process for remediation of groundwater contaminated with tetrachloroethylene (PCE) and trichloroethylene (TCE) can only be applied if the transformation products are environmentally acceptable. ... To sustain reductive dechlorination of PCE and TCE, it was necessary to supply an electron donor; methanol was the most effective ... WebEnhanced Reductive Dechlorination is accomplished by adding a carbon source to the saturated media that provides a means to complete the reductive dechlorination process in an expedited time frame. ... · Biological Oxygen Demand – This parameter collected in the baseline sampling and in subsequent sampling will determine how much ...
WebIn previous research, the presence of nitrate or sulfate has been observed to inhibit biological reductive dechlorination. In this study hollow-fiber membranes were used to supply hydrogen to a mixed culture to investigate whether adequate hydrogen could be added to support dechlorination in the presence of alternative electron acceptors.
WebJul 24, 2024 · Introduction. Over the past 20 years, intense research efforts have been devoted to elucidate the overall mechanisms underlying the biological reductive dechlorination (RD) process and to develop effective technologies for the in situ remediation of contaminated sites (Lorenz and Löffler, 2016).. The RD process is … biostar bios online update utilityWebApr 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. daisha montgomeryWebNational Center for Biotechnology Information biostar cpu northbirdge overclockWebBruton, TA, Pycke, BFG & Halden, R 2015, ' Effect of nanoscale zero-valent iron treatment on biological reductive dechlorination: A review of current understanding and … biostar download centerWebDirect Anaerobic Reductive Dechlorination is a biological process where microbes receive energy and grow through sequential reductive dechlorination. In this reaction, chlorinated compounds serve as the … biostar graphic s adapterWebNov 20, 2024 · Efficient remediation of river sediments contaminated by polychlorinated biphenyls and hexachlorobenzene by coupling in situ phase-inversion emulsification and … daisha renee angelica smith-spencerWebJan 13, 2024 · The batch reactors evaluated in terms of reductive dechlorination rate and utilization efficiency of the electron donor reported that the bio-electrochemical system (BES) showed a lower RD rate with respect of lactate reactor (51 ± 9 µeq/d compared to 98 ± 4 µeq/d), while the direct utilization of molecular hydrogen gave a significantly ... biostar dental vacuum forming machine