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The effect of agitation on the biodegradation of hydrocarbon contaminants in soil slurries

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The effect of agitation on the biodegradation of hydrocarbon contaminants in soil slurries. / Stroud, Jacqueline L.; Paton, Graeme I.; Semple, Kirk T.

In: Chemosphere, Vol. 77, No. 1, 09.2009, p. 123-128.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Stroud JL, Paton GI, Semple KT. The effect of agitation on the biodegradation of hydrocarbon contaminants in soil slurries. Chemosphere. 2009 Sep;77(1):123-128. doi: 10.1016/j.chemosphere.2009.05.005

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Stroud, Jacqueline L. ; Paton, Graeme I. ; Semple, Kirk T. / The effect of agitation on the biodegradation of hydrocarbon contaminants in soil slurries. In: Chemosphere. 2009 ; Vol. 77, No. 1. pp. 123-128.

Bibtex

@article{345727e66a2849c59c6388ca8a5bd062,
title = "The effect of agitation on the biodegradation of hydrocarbon contaminants in soil slurries",
abstract = "Slurry-based mineralisation assays are widely used to investigate contaminant biodegradation in soil; however, the importance of shaking speed on microbial degradation has not been considered. This study investigated the mineralisation of C-14-analogues of phenanthrene, hexadecane and octacosane, shaken at 0, 25 and 100 rpm. The results showed that the fastest rates and highest levels of mineralisation in 0 d aged soils were in the highly agitated conditions (100 rpm). However, the highest levels of mineralisation in 500 d aged soil were found in the gently shaken conditions (<= 25 rpm), with the levels of mineralisation significantly (p < 0.05) one third higher than under the highly agitated conditions (100 rpm). Consequently, estimation of the maximum levels of biodegradation of organic contaminants in aged soil systems should be considered under gentle mixing conditions.",
keywords = "Phenanthrene, Hexadecane , Biodegradation , Mineralisation",
author = "Stroud, {Jacqueline L.} and Paton, {Graeme I.} and Semple, {Kirk T.}",
year = "2009",
month = sep,
doi = "10.1016/j.chemosphere.2009.05.005",
language = "English",
volume = "77",
pages = "123--128",
journal = "Chemosphere",
issn = "0045-6535",
publisher = "NLM (Medline)",
number = "1",

}

RIS

TY - JOUR

T1 - The effect of agitation on the biodegradation of hydrocarbon contaminants in soil slurries

AU - Stroud, Jacqueline L.

AU - Paton, Graeme I.

AU - Semple, Kirk T.

PY - 2009/9

Y1 - 2009/9

N2 - Slurry-based mineralisation assays are widely used to investigate contaminant biodegradation in soil; however, the importance of shaking speed on microbial degradation has not been considered. This study investigated the mineralisation of C-14-analogues of phenanthrene, hexadecane and octacosane, shaken at 0, 25 and 100 rpm. The results showed that the fastest rates and highest levels of mineralisation in 0 d aged soils were in the highly agitated conditions (100 rpm). However, the highest levels of mineralisation in 500 d aged soil were found in the gently shaken conditions (<= 25 rpm), with the levels of mineralisation significantly (p < 0.05) one third higher than under the highly agitated conditions (100 rpm). Consequently, estimation of the maximum levels of biodegradation of organic contaminants in aged soil systems should be considered under gentle mixing conditions.

AB - Slurry-based mineralisation assays are widely used to investigate contaminant biodegradation in soil; however, the importance of shaking speed on microbial degradation has not been considered. This study investigated the mineralisation of C-14-analogues of phenanthrene, hexadecane and octacosane, shaken at 0, 25 and 100 rpm. The results showed that the fastest rates and highest levels of mineralisation in 0 d aged soils were in the highly agitated conditions (100 rpm). However, the highest levels of mineralisation in 500 d aged soil were found in the gently shaken conditions (<= 25 rpm), with the levels of mineralisation significantly (p < 0.05) one third higher than under the highly agitated conditions (100 rpm). Consequently, estimation of the maximum levels of biodegradation of organic contaminants in aged soil systems should be considered under gentle mixing conditions.

KW - Phenanthrene

KW - Hexadecane

KW - Biodegradation

KW - Mineralisation

U2 - 10.1016/j.chemosphere.2009.05.005

DO - 10.1016/j.chemosphere.2009.05.005

M3 - Journal article

VL - 77

SP - 123

EP - 128

JO - Chemosphere

JF - Chemosphere

SN - 0045-6535

IS - 1

ER -