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    Biodegradation of trichloroethene by ammonia-oxidizing bacteria: Kinetics, effects of mixtures, and toxicity

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    Author
    Ochoa, Martin Humberto
    Date
    1995
    Advisor
    Hughes, Joseph B.
    Degree
    Master of Science
    Abstract
    Trichloroethene is degraded by ammonia-oxidizing bacteria. In the absence of ammonia, TCE transformation proceeds at moderate rates. Under the experimental conditions tested, the presence of PCE and cis-DCE, competitive inhibitors of TCE, slowed the rate and extent of TCE transformation. The capacity of these microorganisms to degrade TCE in the absence or presence of mixtures is diminished by the inactivation of the cells as a consequence of the transformation of the chlorinated compounds. The potential application of ammonia oxidizers as a stand-alone in situ treatment process for TCE degradation is diminished by the inactivation of the cells and the inhibitory effects that mixtures of TCE and other chlorinated compounds pose to the microorganisms.
    Keyword
    Environmental science; Microbiology; Biology
    Citation
    Ochoa, Martin Humberto. "Biodegradation of trichloroethene by ammonia-oxidizing bacteria: Kinetics, effects of mixtures, and toxicity." (1995) Master’s Thesis, Rice University. https://hdl.handle.net/1911/13980.
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    • Rice University Electronic Theses and Dissertations [14030]

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    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892
    Site Map