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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