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Biological Degradation Of Tetrachloroethylene Pce At The Pore Scale
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Book Synopsis Biological Degradation of Tetrachloroethylene (PCE) at the Pore Scale by : René Juan Suárez-Soto
Download or read book Biological Degradation of Tetrachloroethylene (PCE) at the Pore Scale written by René Juan Suárez-Soto and published by . This book was released on 2005 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biological Degradation of Tetrachloroethylene in Methanogenic Conditions by : James M. Gossett
Download or read book Biological Degradation of Tetrachloroethylene in Methanogenic Conditions written by James M. Gossett and published by . This book was released on 1994 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research objective: investigate anaerobic biodegradation of perchloroethylene (PCE). Specific objectives: determine if the presence of PCE is necessary to sustain dechlorination of vinyl chloride (VC), delineate the role of hydrogen (H2) in PCE reductive dechlorination, investigate the ability of the high level PCE/methanol (MeOH) culture to utilize low levels of PCE, and determine the applicability of an Anaerobic Attached-film Expanded-bed (AAFEB) reactor to achieve PCE dechlorination. The investigators determined: by using a VC-fed culture unable to sustain ETH production, that the presence of PCE is required to sustain VC dechlorination, H2 acts as the electron donor directly used for the reductive dechlorination of PCE to ethene, the PCE/MeOH culture was able to use ppb levels of PCE due to the small requirement for electron donor (H2) by the culture, and that the loss of the dechlorinating biomass from the support matrix, and/or the inability of the culture to support PCE dechlorination at low concentrations, led to the failure of the AAFEB reactor system. Biodegradation, Tetrachloroethylene, Methanogenesis, Fixed-film reactors, Biological treatment, Chlorinated hydrocarbons.
Book Synopsis Biodegradation of Dichloromethane, Trichloroethylene, and Tetrachloroethylene Under Methanogenic Conditions by : David Lewis Freedman
Download or read book Biodegradation of Dichloromethane, Trichloroethylene, and Tetrachloroethylene Under Methanogenic Conditions written by David Lewis Freedman and published by . This book was released on 1990 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling Anaerobic Biodegradation of Tetrachloroethene (PCE) Contaminated Groundwater by : Jennifer Aschwanden
Download or read book Modeling Anaerobic Biodegradation of Tetrachloroethene (PCE) Contaminated Groundwater written by Jennifer Aschwanden and published by . This book was released on 2001 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Low Temperature Biodegradation of Tetrachloroethylene in an Anaerobic Attached Film Process by : Sean Robert Carter
Download or read book Low Temperature Biodegradation of Tetrachloroethylene in an Anaerobic Attached Film Process written by Sean Robert Carter and published by . This book was released on 1991 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Degradation of Tetrachloroethylene and Trichloroethylene Under Thermal Remediation Conditions by : Jed Costanza
Download or read book Degradation of Tetrachloroethylene and Trichloroethylene Under Thermal Remediation Conditions written by Jed Costanza and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermal remediation involves heating subsurface environments and collecting fluids in order to recover contaminants such as tetrachloroethylene (PCE) and trichloroethylene (TCE). While increasing subsurface temperature can lead to changes in the distribution of contaminants between the solid, liquid, and gas phases, there is also an increased potential for PCE and TCE to degrade. This work was performed to determine the rate of PCE and TCE degradation and products formed in laboratory-scale experiments designed to simulate thermal remediation conditions. The conditions during transport of gas-phase TCE were simulated using flow-through experiments in the temperature range from 60 to 800C. Degradation of TCE was not evident at temperatures of less than 240C; however, chloroacetic acids, which comprised less than 0.1% of the influent TCE on a carbon basis, were detected. At temperatures greater than 300C, TCE readily degraded where the identities of the degradation products were a function of oxygen and water content. With oxygen present, TCE degraded to form CO, phosgene, CO2 with minor amounts of hexachloroethane, PCE, and carbon tetrachloride. Increasing the amount of water vapor was found to decrease the amount of TCE degraded. Vapor recovery systems used during thermal treatments are anticipated to capture these TCE degradation products. However, the amount of missing carbon ... in experiments completed at 800C makes the prospect of recovering all TCE degradation products doubtful. Experiments were conducted using hermetically sealed ampules to simulate heating dissolved phase PCE and TCE over periods of up to 75 days. At 120C, the first-order TCE degradation half-life was 330 days and the degradation products included CO and CO2, glycolate, formate, and chloride. The rate of TCE disappearance was increased with the addition of 1% (wt.) goethite, which suggests that the presence of iron bearing soil minerals can increase rates of TCE degradation during thermal treatment. In contaminated field samples, TCE was found to degrade to form cis-1,2-dichloroethylene at 95C coincident with the formation of hydrogen gas. Degradation of PCE was not evident in field samples or in deionized water and is not expected to degrade during thermal remediation at temperatures below 95C.
Book Synopsis Arrival Time of Tetrachloroethylene (PCE) and Its Degradation Byproducts at Water-supply Wells and the Water Treatment Plant at Camp Lejeune Base by : Wonyong Jang
Download or read book Arrival Time of Tetrachloroethylene (PCE) and Its Degradation Byproducts at Water-supply Wells and the Water Treatment Plant at Camp Lejeune Base written by Wonyong Jang and published by . This book was released on 2007 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biodegradation of Tetrachloroethylene by White-rot Fungi by : Sudheendra G. Mallya
Download or read book Biodegradation of Tetrachloroethylene by White-rot Fungi written by Sudheendra G. Mallya and published by . This book was released on 2002 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: Evaluates the ability of the lignin-degrading, white-rot fungus Phanerochaete chrysosporium to degrade tetrachloroethylene (PCE), an aliphatic hydrocarbon. In an effort to study the use of fungi for the bioremediation of soils, an additional experiment is conducted to improve fungal growth in unamended Enon and Mecklenburg soils by amending them with wheat straw and alfalfa grass.
Author :Mansour Isalou Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612351936 Total Pages :338 pages Book Rating :4.3/5 (519 download)
Book Synopsis Sequential Anaerobic-aerobic Biodegradation of Tetrachloroethene (PCE) [microform] by : Mansour Isalou
Download or read book Sequential Anaerobic-aerobic Biodegradation of Tetrachloroethene (PCE) [microform] written by Mansour Isalou and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1998 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biodegradation of Perchloroethylene (PCE) in a Membrane Aerated Biofilm Reactor (MABR) by : Dieudonné-Guy Ohandja
Download or read book Biodegradation of Perchloroethylene (PCE) in a Membrane Aerated Biofilm Reactor (MABR) written by Dieudonné-Guy Ohandja and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Degradation of Perchloroethylene (PCE) and Trichloroethylene (TCE) Using Bimetallic Nanoparticles by : Priyamvatha Srinivasan
Download or read book Degradation of Perchloroethylene (PCE) and Trichloroethylene (TCE) Using Bimetallic Nanoparticles written by Priyamvatha Srinivasan and published by . This book was released on 2007 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Degradation of TCA, TCE, and PCE by Photosonolysis in a Continuous Flow Reactor by : Jonathan Witt
Download or read book Degradation of TCA, TCE, and PCE by Photosonolysis in a Continuous Flow Reactor written by Jonathan Witt and published by . This book was released on 1997 with total page 190 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 808 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bioaugmentation for Groundwater Remediation by : Hans F. Stroo
Download or read book Bioaugmentation for Groundwater Remediation written by Hans F. Stroo and published by Springer Science & Business Media. This book was released on 2012-10-02 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides a review of the past 10 to 15 years of intensive research, development and demonstrations that have been on the forefront of developing bioaugmentation into a viable remedial technology. This volume provides both a primer on the basic microbial processes involved in bioaugmentation, as well as a thorough summary of the methodology for implementing the technology. This reference volume will serve as a valuable resource for environmental remediation professionals who seek to understand, evaluate, and implement bioaugmentation.
Book Synopsis Methods for Measuring the Acute Toxicity of Effluents and Receiving Waters to Freshwater and Marine Organisms by :
Download or read book Methods for Measuring the Acute Toxicity of Effluents and Receiving Waters to Freshwater and Marine Organisms written by and published by DIANE Publishing. This book was released on 2002 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Toxicological Profile for Tetrachloroethylene by :
Download or read book Toxicological Profile for Tetrachloroethylene written by and published by . This book was released on 1997 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Contaminated Ground Water and Sediment by : Calvin C. Chien
Download or read book Contaminated Ground Water and Sediment written by Calvin C. Chien and published by CRC Press. This book was released on 2003-11-24 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the documented result of an expert workshop, Modeling and Management of Emerging Environmental Issues, held at Penn State University. This event assembled four panels of modeling experts from the U.S. and Canada to discuss modeling technology development and application in order to promote sound and cost-effective environmental decision-making. This thorough analysis provides an overview on the state-of-the-art in current practice and identifies emerging research and development trends within modeling technology. Each of the discussions considers not only technical issues, but regulatory and cost factors as well.