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Mecoprop mineralization potential at oxygen-reduced conditions in subsoil with phenoxy acid contamination history

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Mecoprop mineralization potential at oxygen-reduced conditions in subsoil with phenoxy acid contamination history. / Frkova, Zuzana; Johansen, Anders; Gosewinkel, Ulrich Bay.

I: Soil Biology & Biochemistry, Bind 84, 05.2015, s. 189-198.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

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@article{ce49ac09bdee41cb98017dbabd7682a6,
title = "Mecoprop mineralization potential at oxygen-reduced conditions in subsoil with phenoxy acid contamination history",
abstract = "Historic phenoxy acid waste disposal and spillage at an industrial site close to Copenhagen (Denmark) has contaminated the groundwater with especially mecoprop (RS)-2-(4-chloro-2-methylphenoxy)propionic acid. The contamination is very persistent, probably because it is situated in the subsoil where biological degradation of the contaminant is hindered by lack of oxygen or alternative electron acceptors like nitrate. To examine this, we sampled soil at 3, 4.5 and 6 m depth at the contaminated site and measured the microbial mineralization of mecoprop as affected by nitrate and glucose at nitrate-reducing conditions. The results showed that at these conditions, glucose always had a clear negative impact on mecoprop mineralization. Mineralization of mecoprop was significantly enhanced in soil inoculated with phenoxy acid degraders (p",
keywords = "Mecoprop, Soil microorganisms, Biodegradation, Nitrate-reducing conditions, Natural attenuation, 2,4-DICHLOROPHENOXYACETIC ACID, REDUCTIVE DECHLORINATION, MICROBIAL-POPULATIONS, NATURAL ATTENUATION, SOIL, DEGRADATION, ATRAZINE, AQUIFER, BIODEGRADATION, HERBICIDES",
author = "Zuzana Frkova and Anders Johansen and Gosewinkel, {Ulrich Bay}",
year = "2015",
month = may,
doi = "10.1016/j.soilbio.2015.02.004",
language = "English",
volume = "84",
pages = "189--198",
journal = "Soil Biology & Biochemistry",
issn = "0038-0717",
publisher = "Pergamon Press",

}

RIS

TY - JOUR

T1 - Mecoprop mineralization potential at oxygen-reduced conditions in subsoil with phenoxy acid contamination history

AU - Frkova, Zuzana

AU - Johansen, Anders

AU - Gosewinkel, Ulrich Bay

PY - 2015/5

Y1 - 2015/5

N2 - Historic phenoxy acid waste disposal and spillage at an industrial site close to Copenhagen (Denmark) has contaminated the groundwater with especially mecoprop (RS)-2-(4-chloro-2-methylphenoxy)propionic acid. The contamination is very persistent, probably because it is situated in the subsoil where biological degradation of the contaminant is hindered by lack of oxygen or alternative electron acceptors like nitrate. To examine this, we sampled soil at 3, 4.5 and 6 m depth at the contaminated site and measured the microbial mineralization of mecoprop as affected by nitrate and glucose at nitrate-reducing conditions. The results showed that at these conditions, glucose always had a clear negative impact on mecoprop mineralization. Mineralization of mecoprop was significantly enhanced in soil inoculated with phenoxy acid degraders (p

AB - Historic phenoxy acid waste disposal and spillage at an industrial site close to Copenhagen (Denmark) has contaminated the groundwater with especially mecoprop (RS)-2-(4-chloro-2-methylphenoxy)propionic acid. The contamination is very persistent, probably because it is situated in the subsoil where biological degradation of the contaminant is hindered by lack of oxygen or alternative electron acceptors like nitrate. To examine this, we sampled soil at 3, 4.5 and 6 m depth at the contaminated site and measured the microbial mineralization of mecoprop as affected by nitrate and glucose at nitrate-reducing conditions. The results showed that at these conditions, glucose always had a clear negative impact on mecoprop mineralization. Mineralization of mecoprop was significantly enhanced in soil inoculated with phenoxy acid degraders (p

KW - Mecoprop

KW - Soil microorganisms

KW - Biodegradation

KW - Nitrate-reducing conditions

KW - Natural attenuation

KW - 2,4-DICHLOROPHENOXYACETIC ACID

KW - REDUCTIVE DECHLORINATION

KW - MICROBIAL-POPULATIONS

KW - NATURAL ATTENUATION

KW - SOIL

KW - DEGRADATION

KW - ATRAZINE

KW - AQUIFER

KW - BIODEGRADATION

KW - HERBICIDES

U2 - 10.1016/j.soilbio.2015.02.004

DO - 10.1016/j.soilbio.2015.02.004

M3 - Journal article

VL - 84

SP - 189

EP - 198

JO - Soil Biology & Biochemistry

JF - Soil Biology & Biochemistry

SN - 0038-0717

ER -