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Anaerobic Biodegradation Of Trichloroethylene With The Addition Of Sugar Using Activated Carbon Fluidized Beds
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Book Synopsis Anaerobic Biodegradation of Trichloroethylene with the Addition of Sugar Using Activated Carbon-fluidized Beds by : Suxan Huang
Download or read book Anaerobic Biodegradation of Trichloroethylene with the Addition of Sugar Using Activated Carbon-fluidized Beds written by Suxan Huang and published by . This book was released on 1989 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Anaerobic Biodegradation of Trichloroethylene by Activated Carbon Fluidized-bed by : Jiunn-Horng Chern
Download or read book Anaerobic Biodegradation of Trichloroethylene by Activated Carbon Fluidized-bed written by Jiunn-Horng Chern and published by . This book was released on 1989 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Anaerobic Biodegradation of Trichloroethylene by Activated Carbon Fluidized-bed by : Yeam-How Chin
Download or read book Anaerobic Biodegradation of Trichloroethylene by Activated Carbon Fluidized-bed written by Yeam-How Chin and published by . This book was released on 1989 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Adsorption of Trichloroethylene Onto a Fluidized Bed of Activated Carbon by : William Barkley Begg
Download or read book The Adsorption of Trichloroethylene Onto a Fluidized Bed of Activated Carbon written by William Barkley Begg and published by . This book was released on 1972 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1990 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experiments in Aerobic and Anaerobic Biodegradation of Trichloroethylene by : Qiong Liao
Download or read book Experiments in Aerobic and Anaerobic Biodegradation of Trichloroethylene written by Qiong Liao and published by . This book was released on 1991 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: The removal of trichloroethylene (TCE) from industrial waste has been intensively studied in recent years, Biodegradation has been determined to be an effective treatment for TCE in the environment. Many researchers have studied the biodegradation of TOE and obtained successful results based on the use of specific isolated bacteria. At the NJIT Biotechnology Laboratory, a new method is being developed in which immobilized activated sludge is used to degrade several toxic chemicals in various reactor configurations. The objective of this research is to determine if these methods can be extended to treat TCE. Activated sludge from a wastewater treatment plant was acclimated with TCE and then used in aerobic experi ments. Some commonly and effectively used methods from our laboratory, such as membrane, shaker flask, and microassav reactors were studied with activated sludge. In the membrane reactor experiment, microorganisms from activated sludge were immobilized on microporous plastic sheet (MPS) by attachment. TCE solution was pumped through the reactor containing microorganisms attached on MPS sheet and TCE variation was analyzed with GC. Experiments were conducted in batch recirculation flow mode, A series of shaker flask experiments were constructed to check the result of preinduction for activated sludge with some inducers. The activity of activated sludge was studied by examining the oxygen uptake in a microassay reactor. This reactor has been a valuable tool in the enzyme kinetic studies due to its reproducibility and accuracy of the data acquired. Anaerobic sludge was also used in this study, and taken from a secondary treatment plant. It was digested in an anaerobic digester with a specific nutrient medium and then incubated in an incubator at 37°C for anaerobic treatment. In shaker flask experiments, TCE was degraded by NJIT activated and preinduced sludge with inducers. Biodegradation rates were found to be 0.36, 0.49, 0.44, 0.32 nmol/min per mg of dry biomass with sodium acetate, phenol, toluene, and sodium benzoate, respectively. They are greater than the rates for bacterial strains 46-1, G4, and Alcaligenes eutrophus JMP134 reported in the literature. However, the results of the membrane reactor, the microassay reactor, and the anaerobic experiments indicate that TCE biodegradation rates are far lower than typical biodegradation rate, which is 2.4 nmol/min per mg of dry biomass, for phenol, chlorophenol, and other substrates in NJIT Biodegradation System.
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1989 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sequential Anaerobic-aerobic Biodegradation of Trichloroethylene Using Polyvinyl Alcohol Immobilized Cells as a Permeable Barrier Technology by : Jatin M. Panchal
Download or read book Sequential Anaerobic-aerobic Biodegradation of Trichloroethylene Using Polyvinyl Alcohol Immobilized Cells as a Permeable Barrier Technology written by Jatin M. Panchal and published by . This book was released on 2003 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optimization of Trichloroethylene Biodegradation Under Anaerobic Conditions by : Urshila Umesh Gulgule
Download or read book Optimization of Trichloroethylene Biodegradation Under Anaerobic Conditions written by Urshila Umesh Gulgule and published by . This book was released on 1997 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bioremediation of Trichloroethylene-Contaminated Sediments Augmented with a Dehalococcoides Consortia by : P. C. McKinsey
Download or read book Bioremediation of Trichloroethylene-Contaminated Sediments Augmented with a Dehalococcoides Consortia written by P. C. McKinsey and published by . This book was released on 2003 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: At the Department of Energy's (DOE) Savannah River Site (SRS) in Aiken, SC there are a number of sites contaminated with Chlorinated Ethenes (CE) due to past disposal practices. Sediments from two CE contaminated SRS locations were evaluated for trichloroethylene (TCE) biodegradation through anaerobic laboratory microcosms. The testing included addition of amendments and bioaugmentation of sediments. The anaerobic microcosms were first amended with substrates including acetate, lactate, molasses, soybean oil, methanol, sulfate, yeast extract, Regenesis HRC(R), and MEAL (methanol, ethanol, acetate, lactate mixture). Microcosms were analyzed after biostimulation for 9 months and no significant TCE biodegradation was observed. At 10 months, additional TCE, fresh amendments, and a mixed culture containing Dehalococcoides ethenogenes were added to active microcosms. A significant decrease in TCE concentrations and an increase in biodegradation products cis-dichloroethylene (cDCE) and vinyl chloride (VC) were noted within 2 weeks of bioaugmentation. Microcosms amended with lactate and sulfate showed complete transformation of TCE (3 ppm) to ethene within 40 days after bioaugmentation. Microcosms amended with other substrates - soybean oil, acetate, yeast extract, and methanol - also show enhanced biodegradation of TCE to ethene. Microcosms amended with molasses and Regenesis HRC showed limited TCE transformation. No TCE transformation was seen in killed control microcosms. On the basis of these successful results, plans are underway for field-scale in-situ deployment of biostimulation/bioaugmentation at SRS.
Book Synopsis Sequential Transformation of Carbon Tetrachloride, Perchloroethylene, and 1,1, 1-Trichloroethane Using Methanogenic and Methanotrophic Conditions by : Sarah Jane Christ
Download or read book Sequential Transformation of Carbon Tetrachloride, Perchloroethylene, and 1,1, 1-Trichloroethane Using Methanogenic and Methanotrophic Conditions written by Sarah Jane Christ and published by . This book was released on 1996 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: A methanogenic-methanotrophic system has been established to assess the capability of sequential treatment to transform the chlorinated aliphatics perchloroethylene (PCE), carbon tetrachloride (CT) and 1,1,1-trichloroethane (1, 1,1-TCA). Experiments compared the transformation of PCE alone and in a mixture of the target compounds. A comparison of acetate and iron as electron donors was also made. Data from the anaerobic systems have shown that PCE transformation is inhibited when in a mixture with CT and 1,1,1-TCA compared to when it is fed alone. When iron is the electron donor, PCE and 1,1,1-TCA are transformed without an acclimation period. CT was completely transformed regardless of the electron donor used. The acetate-fed system required approximately 60 days to acclimate to 1,1,1-TCA and 70 days for acclimation to PCE. Although the sequential system has been constructed, sampling from the aerobic column was not done before the thesis project ended. More investigation is required to determine the ability of the sequential system to degrade PCE, CT, and 1,1,1- TCA.
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1989 with total page 1296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Current Advances in Applied Microbiology & Biotechnology by :
Download or read book Current Advances in Applied Microbiology & Biotechnology written by and published by . This book was released on 1993 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1989 with total page 1310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Microbiology Abstracts written by and published by . This book was released on 1994 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Environment Abstracts Annual 1991 by : Bowker Editorial Staff
Download or read book Environment Abstracts Annual 1991 written by Bowker Editorial Staff and published by R. R. Bowker. This book was released on 1992-03 with total page 1792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pollution Abstracts written by and published by . This book was released on 1995 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt: Indexes material from conference proceedings and hard-to-find documents, in addition to journal articles. Over 1,000 journals are indexed and literature published from 1981 to the present is covered. Topics in pollution and its management are extensively covered from the standpoints of atmosphere, emissions, mathematical models, effects on people and animals, and environmental action. Major areas of coverage include: air pollution, marine pollution, freshwater pollution, sewage and wastewater treatment, waste management, land pollution, toxicology and health, noise, and radiation.
