Aerobic degradation potential of the herbicides mecoprop, dichlorprop and bentazone in groundwater from chalk aquifers

Suzi Levi, Anne-Marie Hybel, Poul Løgstrup Bjerg, Hans-Jørgen Albrechtsen

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    Abstract

    The aerobic degradation potential of mecoprop, dichlorprop and bentazone was studied at concentration of 1 μg/L in laboratory batch experiments with groundwater from chalk aquifers. Within the incubation period of 129 days, 14C-mecoprop concentration decreased to 60-80% in the microcosms with groundwater collected from two monitoring wells (Well 1 and 2). Dichlorprop degradation was neither observed under aerobic nor anaerobic conditions, while 17-27% of the initial concentration of 14C-bentazone was removed. The results indicated a degradation potential of mecoprop and bentazone under aerobic conditions.
    Original languageEnglish
    Title of host publicationIWA Specialist Groundwater Conference - Proceedings
    PublisherIWA
    Publication date2011
    Pages243-247
    Publication statusPublished - 2011
    EventIWA Specialist Groundwater Conference - Belgrade, Serbia
    Duration: 1 Jan 2011 → …

    Conference

    ConferenceIWA Specialist Groundwater Conference
    CityBelgrade, Serbia
    Period01/01/2011 → …

    Bibliographical note

    Extended abstract

    Keywords

    • Degradation
    • Pesticides
    • Drinking water

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