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Sunday, May 10, 2020 | History

1 edition of In-situ biotransformation of carbon tetrachloride under anoxic conditions found in the catalog.

In-situ biotransformation of carbon tetrachloride under anoxic conditions

In-situ biotransformation of carbon tetrachloride under anoxic conditions

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Published by U.S. Environmental Protection Agency, Robert S. Kerr Environmental Research Laboratory in Ada, OK .
Written in English

    Subjects:
  • Organic water pollutants -- California -- Biodegradation.,
  • Carbon tetrachloride.,
  • Biotransformation (Metabolism)

  • Edition Notes

    Other titlesIn situ biotransformations of carbon tetrachloride under anoxic conditions.
    StatementLewis Semprini ... [et al.].
    ContributionsSemprini, Lewis., Robert S. Kerr Environmental Research Laboratory.
    The Physical Object
    Pagination6 p. :
    ID Numbers
    Open LibraryOL18034227M

    Semprini, L. "In-situ Transformation of Halogenated Aliphatic Compounds under Anaerobic Conditions," Subsurface Restoration, and P.V. Roberts, "In-situ Biotransforma­tion of Carbon Tetrachloride and Other Halogenated Compounds Resulting from Biostimulation under Anoxic Conditions," Environ. Acute carbon tetrachloride feeding induces damage of large but not small cholangiocytes from BDL rat liver. LeSage GD(1), Glaser SS, Marucci L, Benedetti A, Phinizy JL, Rodgers R, Caligiuri A, Papa E, Tretjak Z, Jezequel AM, Holcomb LA, Alpini by:

    Conventional pump-and-treat systems extract relatively large volumes of water with relatively low contaminant concentrations. Because of geologic complexity and slow rates of contaminant desorption and dissolution, these systems must displace many pore volumes of aquifer water to flush out contaminants, as explained in Chapter tional pump-and-treat systems thus . F. Graziosi et al.: Emissions of carbon tetrachloride from Europe degradation in the ocean (Yvon-Lewis and Butler, ) and degradation in the soil (Happell et al., ). The main concerns about this long-lived chemical are linked to its ability in destroying the stratospheric ozone layer and, as a radiatively active gas, CCl4 has an ozoneFile Size: 3MB.

    Halogenated methanes, including carbon tetrachloride (CT) and chloroform (CF), are significant groundwater contaminants. Options for bioremediation of high concentrations are limited. Previous studies have shown that an enrichment culture (designated DHM-1) that grows on corn syrup has the potential for use in bioaugmentation. DHM-1 cometabolically biotransforms high Cited by: 2. “Full-scale remediation of carbon tetrachloride using bioaugmentation”, Platform presentation, The Fifth Battelle Internation Symposium on In Situ and On-Site Bioreclamation, April , San Diego, Calfornia. “Full-scale remediation of carbon tetrachloride by bioaugmentation with. .


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In-situ biotransformation of carbon tetrachloride under anoxic conditions Download PDF EPUB FB2

EPA// January IN-SITU BIOTRANSFORMATION OF CARBON TETRACHLORIDE UNDER ANOXIC CONDITIONS by Lewis Semprini, Gary D. Hopkins, Dick B. Janssen, Margaret Lang, Paul V. Roberts, and Perry L. McCarty Department of Civil Engineering Stanford University Stanford, California Cooperative Agreement EPA CR.

The complete report, entitled "In-Situ Biotransformation of Carbon Tetrachloride Under Anoxic Conditions," (Order No. PB /AS; Cost: $, subject to change) will be available only from: National Technical Information Service Port Royal Road Springfield, VA Telephone: The EPA Project Officer can be contacted at.

In-situ biotransformation of carbon tetrachloride under anoxic conditions. Ada, Okla.: Robert S. Kerr Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, [].

Get this from a library. In-situ biotransformation of carbon tetrachloride under anoxic conditions. [Lewis Semprini; Robert S. Kerr Environmental Research Laboratory.;]. Reference Type Citation Progress Report Year Document Sources ; Book Chapter: Semprini L, Hopkins GD, Roberts PV, McCarty PL.

In situ biotransformation of carbon tetrachloride, FreonFr and 1,1,1-TCA under Anoxic Conditions. RC System Design for Enhanced In-Situ Biotransformation of Carbon Tetrachloride: Application to DOE's Arid Site Integrated Demonstration RC Modeling Strategies for Optimizing In-Situ Bioremediation RC Anaerobic Treatment of Chlorinated Solvent Contaminated Groundwater RC In Situ Treatment of Chlorinated Solvents.

Column Studies of Anaerobic Carbon Tetrachloride Biotransformation with Hanford Aquifer Material Article in Ground Water Monitoring and Remediation 25(3) - 92.

Anaerobic biotransformation of carbon tetrachloride under various electron acceptor conditions Article in Bioresource Technology 84(1) September with Author: Raj Boopathy.

The biotransformation of carbon tetrachloride (CT) under various electron acceptor conditions was investigated using enrichment cultures developed from the anaerobic digester sludge of Thibodaux sewage treatment plant.

The results indicated that CT was biotransformed under sulfate-reducing, methanogenic, nitrate-reducing, iron-reducing Cited by: The biotransformabilities of 1,1,1-trichloroethane (TCA) and carbon tetrachloride (CT) were investigated at 35°C under low concentration of acetic acid as the auxiliary substrate to evaluate the concentration effect of the auxiliary substrate on Cited by: In-situ biotransformation of carbon tetrachloride under anoxic conditions.

Ada, OK: U.S. Environmental Protection Agency, Robert S. Kerr Environmental Research Laboratory. In Situ Bioremediation for the Hanford Carbon Tetrachloride Plume (ISB), which is the term used in this report for an in situ treatment process using indigenous micro-organisms with a computer based Accelerated Bioremediation Design Tool (ABDT), File Size: KB.

Biodegradation of Carbon Tetrachloride under Anoxic Conditions. Comparative Efficiency of Microbial Systems for Destroying Carbon Tetrachloride Contamination in Hanford Groundwater.

Anaerobic Biotransformation and Transport of Chlorinated Hydrocarbons in Groundwater. In-Situ Biotransformation of Carbon Tetrachloride Under Anoxic Conditions, EPA// Semprini, Lewis, Paul V.

Roberts, Gary D. Hopkins, and Perry L. McCarty, September/October " A Field Evaluation of In-Situ Biodegradation of Chlorinated Ethenes: Part 2, Results of Biostimulation and Biotransformation Experiments," Ground Water, Vol.

In situ bioremediation of carbon tetrachloride. presents the two most viable anaerobic pathways for biodegradation. One pathway is reductive dechlorination and the other is cometabolic. The cometabolic pathway may occur either through reductive dechlorination or Size: KB.

The dechlorination of carbon tetrachloride (CCl4) by free-living and attached bacteria under anaerobic conditions was studied to examine the relationship between porous media and electron donor. Two batch-type experiments, the free-living and attached bacterial systems, were conducted with and without addition of mm glass beads.

Glucose and Cited by: Book Description. This timely reference presents the state of the art of the emerging and rapidly changing field of bioremediation of chlorinated solvents, PCBs, and other chlorinated compounds, as well as PAHs, both in situ and on site.

Biodegradation of Carbon Tetrachloride under Anoxic Conditions. Comparative Efficiency of Microbial. Biological and Chemical Transformations of Halogenated Aliphatic Compounds in Aquatic and Terrestrial Environments Semprini, L., G.D.

Hopkins, P.V. Roberts, and P.L. McCarty. In-situ biotransformation of carbon tetrachloride, 1,1,1-trichloroethane, freon, and freon under anoxic conditions. In-situ Transformation of Carbon Cited by: Enhanced in-situ bioremediation of chlorinated aliphatic compounds Physical, chemical, and biological treatment of hazardous substances “In-situ Biotransformation of Carbon Tetrachloride and Other Halogenated Compounds Resulting from Biostimulation under Anoxic Conditions,” Environ.

Sci. and Technol., Vol. 26, No. 12, File Size: KB. Biotransformation of tetrachloroethylene to trichloroethylene, dichloroethylene, vinyl chloride, and carbon dioxide under methanogenic conditions. Applied and Environmental Microbiology 49(5).

The prokaryotic community of a groundwater aquifer exposed to high concentrations of tetrachloromethane (CCl4) for more than three decades was followed by terminal restriction fragment length polymorphism (T-RFLP) during pump-and-treat remediation at the contamination source.

Bacterial enrichments and isolates were obtained under selective anoxic conditions, Cited by: 5.No other reference source gives you access to the most current techniques and methods for the bioremediation of chlorinated and polycyclic aromatic hydrocarbon compounds.

This book represents the work of leading experts in the fields of in situ and on-site bioremediation from North America, Europe, and Asia.Assessment of the mutagenic potential of carbon disulfide, carbon tetrachloride, dichloromethane, ethylene dichloride and methyl bromide: A comparative analysis in relation to ethylene In-situ.

biotransformation of carbon tetrachloride under anoxic conditions. Ada, OK: U.S.