Sorption, transport and biodegradation – An insight into bioavailability of persistent organic pollutants in soil

Contamination of soils with persistent organic pollutants (POPs), such as organochlorine pesticide, polybrominated diphenyl ethers, halohydrocarbon, polycyclic aromatic hydrocarbons (PAHs) is of increasing concern. Microbial degradation is potential mechanism for the removal of POPs, but it is often...

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Vydáno v:The Science of the total environment Ročník 610-611; s. 1154 - 1163
Hlavní autoři: Ren, Xiaoya, Zeng, Guangming, Tang, Lin, Wang, Jingjing, Wan, Jia, Liu, Yani, Yu, Jiangfang, Yi, Huan, Ye, Shujing, Deng, Rui
Médium: Journal Article
Jazyk:angličtina
Vydáno: Netherlands Elsevier B.V 01.01.2018
Témata:
bioavailability
biodegradation
Biodegradation, Environmental
bioremediation
Environmental Monitoring
Halogenated Diphenyl Ethers - analysis
Halogenated Diphenyl Ethers - metabolism
Hydrocarbons, Chlorinated - analysis
Hydrocarbons, Chlorinated - metabolism
Microbial adaptation
Mineral
minerals
organochlorine pesticides
persistent organic pollutants
polybrominated diphenyl ethers
polycyclic aromatic hydrocarbons
Polycyclic Aromatic Hydrocarbons - analysis
Polycyclic Aromatic Hydrocarbons - metabolism
POPs
soil
Soil - chemistry
Soil amendments
soil microorganisms
Soil organic matter
Soil Pollutants - analysis
Soil Pollutants - metabolism
soil pollution
sorption
Mineral
Soil organic matter
Microbial adaptation
Soil amendments
POPs
ISSN:0048-9697, 1879-1026, 1879-1026
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Shrnutí:Contamination of soils with persistent organic pollutants (POPs), such as organochlorine pesticide, polybrominated diphenyl ethers, halohydrocarbon, polycyclic aromatic hydrocarbons (PAHs) is of increasing concern. Microbial degradation is potential mechanism for the removal of POPs, but it is often restricted by low bioavailability of POPs. Thus, it is important to enhance bioavailability of POPs in soil bioremediation. A series of reviews on bioavailability of POPs has been published in the past few years. However, bioavailability of POPs in relation to soil organic matter, minerals and soil microbes has been little studied. To fully understand POPs bioavailability in soil, research on interactions of POPs with soil components and microbial responses in bioavailability limitation conditions are needed. This review focuses on bioavailability mechanisms of POPs in terms of sorption, transport and microbial adaptation, which is particularly novel. In consideration of the significance of bioavailability, further studies should investigate the influence of various bioremediation strategies on POPs bioavailability. [Display omitted] •Microbial degradation of persistent organic pollutants (POPs) is limited by their low bioavailability.•Sorption, transport and physiological aspects of POPs bioavailability are reviewed.•Surfactants and compost amendments affect the bioavailability of POPs.•Further researches should focus on the influence of various bioremediation strategies on the bioavailability of POPs.
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ISSN:0048-9697
1879-1026
1879-1026
DOI:10.1016/j.scitotenv.2017.08.089