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Bioremediation of single and mixture of pesticide-contaminated soils by mixed pesticide-enriched cultures
Published in
2011
PMID: 21424248
Volume: 164
   
Issue: 8
Pages: 1257 - 1277
Abstract
In the present study, degradation efficiencies for individual as well as mixed pesticide in different Indian soils, by mixed pesticide-enriched cultures, were evaluated under submerged and unsaturated conditions, Lindane (L), methyl parathion (MP), carbofuran (C), and a mixture of L, MP, and C were used in the study. For all the various conditions considered, methyl parathion degradation was the maximum and lindane degradation was the minimum. The degradation kinetics of the pesticides in sandy, clayey, compost, and red soils by various microbial isolates were studied. It was observed that adsorption was maximum and degradation of pesticides was minimum in compost soil. The degradation efficiencies of pesticides in liquid phase associated with soil sediment were less than those under the normal liquid phase conditions as leaching of pesticides from soil phase was continuous. Pesticide degradation was more in submerged soils compared to that in unsaturated soils. The degradation by-products of individual and mixed pesticides in liquid, unsaturated, and submerged soils were identified. Different metabolites were produced under submerged and unsaturated conditions. © Springer Science+Business Media, LLC 2011.
About the journal
JournalApplied Biochemistry and Biotechnology
ISSN02732289
Open AccessNo
Concepts (50)
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    CARBOFURANS
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    DEGRADATION BY-PRODUCTS
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    DEGRADATION EFFICIENCY
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    Degradation kinetics
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    Lindane
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    Liquid phase
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    LIQUID PHASE CONDITIONS
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    METHYL PARATHION
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    MICROBIAL ISOLATES
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    MIXEDPESTICIDES
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    PESTICIDE DEGRADATION
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    RED SOILS
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    SOIL PHASE
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    SOIL SEDIMENTS
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    UNSATURATED CONDITION
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    Unsaturated soil
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    Adsorption
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    AGRICULTURAL CHEMICALS
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    Anoxic sediments
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    Bioremediation
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    Composting
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    Cyclohexane
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    Degradation
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    Insecticides
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    Leaching
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    Liquids
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    Soil pollution
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    Soils
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    CARBOFURAN
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    PARATHION METHYL
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    Article
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    Bacterium isolate
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    Biodegradation
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    Chemical structure
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    Clay
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    COMPOST
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    India
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    Nonhuman
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    Sand
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    Bacillus
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    CARBOFURAN
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    CHRYSEOBACTERIUM
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    Environmental pollution
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    Environmental remediation
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    METHYL PARATHION
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    Pesticides
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    Pseudomonas aeruginosa
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    Soil
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    Soil microbiology
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    SOIL POLLUTANTS