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Effect of environmental factors on performance of immobilized consortium system for degradation of carbendazim and 2,4-dichlorophenoxyacetic acid in continuous culture

Paper ID Volume ID Publish Year Pages File Format Full-Text
5073 279 2006 6 PDF Available
Title
Effect of environmental factors on performance of immobilized consortium system for degradation of carbendazim and 2,4-dichlorophenoxyacetic acid in continuous culture
Abstract

As a model process for bioaugmentation, a microbial consortium obtained from soil of paddy fields was immobilized on loofa sponge. The immobilized consortium had the ability to degrade carbendazim (methyl-2-benzimidazole carbamate; MBC) and 2,4-dichlorophenoxyacetic acid (2,4-D), which are fungicide and herbicide, respectively, used in paddy fields in large quantities and are often detected from environmental water, during the 2-month operation period using a column type reactor for the continuous treatment of runoff water from paddy fields. For success of bioaugmentation, it is important to investigate the effect of environmental factors on degradation ability for hazardous chemicals. The degradation ability of the immobilized consortium for MBC and 2,4-D was also maintained at various flow rates (the mean residence time of up to 0.1 day), and at low concentrations of MBC, 2,4-D, ammonium, and phosphate estimated condition of runoff water. The degradation ability was also stably maintained up to at least 6 months by simple preservation methods. From these results, valuable information to establish the treatment system for actual environmental conditions was obtained. This study may be useful as a model research for solving problems of pollution by hazardous organic compounds.

Keywords
Environmental factor; Consortium; Carbendazim; 2,4-Dichlorophenol (2,4-D)
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Effect of environmental factors on performance of immobilized consortium system for degradation of carbendazim and 2,4-dichlorophenoxyacetic acid in continuous culture
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biochemical Engineering Journal - Volume 29, Issues 1–2, 1 April 2006, Pages 163–168
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us