Are bioassays useful tools to assess redox processes and biodegradation?

Hans-Jørgen Albrechtsen, Philip Grinder Pedersen, L. Ludvigsen

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    When evaluating potentials for natural attenuation, assessment of ongoing redox processes are important. Terminal electron accepting processes (TEAPs) such as denitrification, Fe(Ill), Mn(IV), and sulphate reduction and methane production have been assessed by several approaches including redox sensitive hydrochemical or geochemical parameters, levels of hydrogen, and redox potential. However, all these approaches have to be evaluated against TEAP-bioassays as the most direct measure. We assessed successfully ongoing microbial-mediated redox processes by TEAP-bioassays in degradation studies of aromatic and chlorinated aliphatic compounds in landfill leachate plumes, and of pesticides in aquifers with various redox conditions.
    Original languageEnglish
    Title of host publicationConference: Groundwater Quality 2001 : Natural and Enhanced Restoration of Groundwater Pollution
    EditorsS. Thornton, S. Oswald
    Place of PublicationOxfordshire, UK
    PublisherIAHS Press
    Publication date2002
    Pages49-55
    Publication statusPublished - 2002
    Event3rd International Conference on Groundwater Quality - University of Sheffield, Sheffield, United Kingdom
    Duration: 18 Jun 200121 Jun 2001
    Conference number: 3

    Conference

    Conference3rd International Conference on Groundwater Quality
    Number3
    LocationUniversity of Sheffield
    Country/TerritoryUnited Kingdom
    CitySheffield
    Period18/06/200121/06/2001
    SeriesIAHS Publication
    Number275

    Keywords

    • TEAP
    • redox
    • bioassay
    • microbiology

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