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Anaerobic Biodegradation Of Trichloroethylene By Activated Carbon Fluidized Bed
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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 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 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 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 Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 1992 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: An annual list begun in 1957. Lists the titles and authors of over 13,000 theses accepted during 1989 (and a few accepted earlier but not reported), by discipline astronomy, nuclear engineering, textile technology and then by college. Does not include mathematics or the life sciences. No index. Anno
Book Synopsis Microbial Degradation of Trichloroethylene and Toluene by : François A. Roch
Download or read book Microbial Degradation of Trichloroethylene and Toluene written by François A. Roch and published by . This book was released on 1995 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Status Assessment of Toxic Chemicals by : J. C. Ochsner
Download or read book Status Assessment of Toxic Chemicals written by J. C. Ochsner and published by . This book was released on 1980 with total page 40 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 Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1991 with total page 898 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Anaerobic Biodegradation of Alkylbenzenes and Trichloroethylene in Groundwater Downgradient of a Piedmont Landfill by : James Nathan Johnston
Download or read book Anaerobic Biodegradation of Alkylbenzenes and Trichloroethylene in Groundwater Downgradient of a Piedmont Landfill written by James Nathan Johnston and published by . This book was released on 1993 with total page 280 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 Anaerobic degradation of phenol and bioregeneration of granular activated carbon by : Fernando Antonio Craveiro de Sa
Download or read book Anaerobic degradation of phenol and bioregeneration of granular activated carbon written by Fernando Antonio Craveiro de Sa and published by . This book was released on 1991 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sequential Anaerobic-Aerobic Biodegradation of Trichloroethylene and 1,4-Dioxane by : Alexandra LaPat Polasko
Download or read book Sequential Anaerobic-Aerobic Biodegradation of Trichloroethylene and 1,4-Dioxane written by Alexandra LaPat Polasko and published by . This book was released on 2017 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chlorinated ethenes, such as trichloroethylene (TCE) and their stabilizers, such as 1,4- dioxane, are widespread groundwater contaminants. Bioremediation can be an effective approach, but opposing redox conditions favored by chlorinated ethane-and 1,4-dioxane- degrading bacteria pose a challenge for their concurrent bioremediation. We engineered a microbial community composed of the anaerobic chlorinated ethene-degrading consortium (KB-1i ) and aerobic (Pseudonocardia dioxanivorans CB1190 (CB1190)) bacterial strain, which uses 1,4-dioxane. After anaerobic incubation and TCE reduction, CB1190 + KB-1i coculture was viable and rapidly biodegraded 1,4-dioxane in the presence of oxygen. Aerobic biodegradation of cis-1,2-dichloroethylene (cDCE) by CB1190 was also described. As a plume disperses downgradient, the redox conditions change from anaerobic (source zone) to aerobic (leading edge). The results from this study demonstrate that the engineered microbial community can survive redox changes and biodegrade chlorinated ethenes and 1,4-dioxane. This approach could reduce the cost, energy, and substrates required for in-situ bioremediation of contaminant mixtures.
Book Synopsis Oxidative Degradation of Trichloroethylene Adsorbed on Active Carbons: Use of Microwave Energy by : R. Varma
Download or read book Oxidative Degradation of Trichloroethylene Adsorbed on Active Carbons: Use of Microwave Energy written by R. Varma and published by . This book was released on 1992 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chlorinated hydrocarbon compounds (CHCI), such as chlorinated alkanes/alkenes, benzene and biphenyl etc, represent an important fraction of the industrial hazardous wastes produced. Trichloroethylene (TCE) can be removed from waste streams by adsorption on active carbons. Among the various methods of active carbon regeneration only the high temperature (approximately 1000 deg C) steam activation serves the dual purpose of carbon regeneration and combustion of adsorbed species. A carbon bed loaded with halocarbons (TCE for example) may contain as much as 20% of chlorine by weight. The product gases will produce severe corrosion in the furnace system. The primary objective of the present work was to study the detoxification in airstream of TCE adsorbed on different types of active carbons using in situ microwave heating. A secondary objective was to examine the regeneration of used carbons from the effects of repeated cyclic operations (adsorption-detoxification).
Book Synopsis International Conference on Physiochemical and Biological Detoxification of Hazardous Wastes by : Yeun C. Wu
Download or read book International Conference on Physiochemical and Biological Detoxification of Hazardous Wastes written by Yeun C. Wu and published by . This book was released on 1989 with total page 548 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: