Selection of support materials for immobilization of Burkholderia cepacia PCL3 in treatment of carbofuran-contaminated water

This study investigated the utilization of agricultural matrices as the support materials for cell immobilization to improve the technique of bioremediation. Coir, bulrush, banana stem and water hyacinth stem in both delignified and undelignified forms were used to immobilize Burkholderia cepacia PC...

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Publié dans:Environmental technology. - 1998. - 34(2013), 17-20 vom: 15. Sept., Seite 2587-97
Auteur principal: Laocharoen, S (Auteur)
Autres auteurs: Plangklang, P, Reungsang, A
Format: Article
Langue:English
Publié: 2013
Accès à la collection:Environmental technology
Sujets:Journal Article Research Support, Non-U.S. Gov't Waste Water Water Pollutants, Chemical coir Lignin 9005-53-2 Carbofuran SKF77S6Y67
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520 |a This study investigated the utilization of agricultural matrices as the support materials for cell immobilization to improve the technique of bioremediation. Coir, bulrush, banana stem and water hyacinth stem in both delignified and undelignified forms were used to immobilize Burkholderia cepacia PCL3 in bioremediation of carbofuran at 5 mg l(-1) in synthetic wastewater. Undelignified coir was found to be the most suitable support material for cell immobilization, giving the short half-life of carbofuran of 3.40 d (2.8 times shorter than the treatments with free cells). In addition, it could be reused three times without a loss in ability to degrade carbofuran. The growth and degradation ability of free cells were completely inhibited at the initial carbofuran concentrations of 250 mg l(-1), while there was no inhibitory effect of carbofuran on the immobilized cells. The results indicated a great potential for using the agricultural matrices as support material for cell immobilization to improve the overall efficiency of carbofuran bioremediation in contaminated water by B. cepacia PCL3 
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