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Biodegradation: Updating the Concepts of Control for Microbial Cleanup in Contaminated Aquifers

机译:生物降解:更新受污染含水层中微生物清除控制的概念

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摘要

Biodegradation is one of the most favored and sustainable means of removing organic pollutants from contaminated aquifers but the major steering factors are still surprisingly poorly understood. Growing evidence questions some of the established concepts for control of biodegradation. Here, we critically discuss classical concepts such as the thermodynamic redox zonation, or the use of steady state transport scenarios for assessing biodegradation rates. Furthermore, we discuss if the absence of specific degrader populations can explain poor biodegradation. We propose updated perspectives on the controls of biodegradation in contaminant plumes. These include the plume fringe concept, transport limitations, and transient conditions as currently underestimated processes affecting biodegradation.
机译:生物降解是从受污染的含水层中去除有机污染物的最受青睐和可持续的手段之一,但令人惊讶的是,主要的操纵因素仍然知之甚少。越来越多的证据质疑一些控制生物降解的既定概念。在这里,我们批判性地讨论经典概念,例如热力学氧化还原分区,或使用稳态运输情景评估生物降解率。此外,我们讨论了是否缺乏特定的降解菌种群可以解释不良的生物降解。我们提出了关于污染物羽流中生物降解控制的最新观点。这些因素包括羽状流苏的概念,运输限制和瞬态条件,因为目前低估了影响生物降解的过程。

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  • 来源
    《Environmental Science & Technology》 |2015年第12期|7073-7081|共9页
  • 作者单位

    University of Duisburg-Essen, Biofilm Centre, Universitaetsstrasse 5, 45141 Essen, Germany;

    Helmholtz Zentrum Muenchen, Institute of Groundwater Ecology, Ingolstaedter Landstrasse 1, 85764 Neuherberg, Germany;

    Helmholtz Zentrum Muenchen, Institute of Groundwater Ecology, Ingolstaedter Landstrasse 1, 85764 Neuherberg, Germany;

    Helmholtz Zentrum Muenchen, Institute of Groundwater Ecology, Ingolstaedter Landstrasse 1, 85764 Neuherberg, Germany;

    Helmholtz Zentrum Muenchen, Institute of Groundwater Ecology, Ingolstaedter Landstrasse 1, 85764 Neuherberg, Germany;

    Department of Geochemistry, Geological Survey of Denmark and Greenland (GEUS), Oster Voldgade 10, 1350 Copenhagen K, Denmark;

    Laboratory of Bioengineering Earth and Life Institute (ELI) Universite Catholique de Louvain Place Croix du Sud 2, L7.05.19, B-1348 Louvain-la-Neuve, Belgium;

    Department of Environmental Engineering, Miljoevej, building 113, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark;

    Flemish Institute for Technological Research (VITO), Boeretang 200, 2400 Mol, Belgium;

    Department of Environmental Engineering, Miljoevej, building 113, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark;

    University of Gent, LabMET, Coupure Links 653, 9000 Ghent, Belgium;

    Flemish Institute for Technological Research (VITO), Boeretang 200, 2400 Mol, Belgium;

    Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, United Kingdom;

    CSB Centre for Systems Biology, School of Biosciences, College of Life and Environmental Sciences, University of Birmingham, Edgbaston B15 2TT, United Kingdom;

    Division Soil and Water Management, KU Leuven, Kasteelpark Arenberg 20, 3001 Leuven, Belgium;

    Department of Geochemistry, Geological Survey of Denmark and Greenland (GEUS), Oster Voldgade 10, 1350 Copenhagen K, Denmark;

    Division Soil and Water Management, KU Leuven, Kasteelpark Arenberg 20, 3001 Leuven, Belgium;

    Department of Earth Sciences, VU University Amsterdam, De Boelelaan 1085, NL-1081 HV Amsterdam, The Netherlands;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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