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Journal of Ecology and Rural Environment ›› 2012, Vol. 28 ›› Issue (6): 718-721.doi:

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Effect of Glucose Accelerating Degradation of Aqueous BDE-15 by Bacillus

ZHANG Qiong, WU Jun, YANG Liu-Yan

School of the Environment,Nanjing University

Received:2012-04-26 Revised:2012-05-08 Online:2012-11-25 Published:2012-11-30
Contact: YANG Liu-Yan School of the Environment,Nanjing University E-mail:yangly@nju.edu.cn

Abstract

Abstract: To explore process of BDE-15 biodegradation in water body and its influencing factors, an indoor experiment was carried out using Bacillus sp. to biodegrade BDE-15 in water to study effects of extragenous carbon and initial BDE-15 concentration on the bio-degradation capacity of the bacteria. Results show that Bacillus could not utilize BDE-15 as the sole carbon source for growth. If glucose was added, Bacillus could grow rapidly and improved its ability to degradate BDE-15 in water and in 4 days, it could degrade 28% of the BDE-15 in the solution and even 55% when an additional dose of glucose was added. The high initial BDE-15 concentration (50 mg•L^-1) could inhibit the growth of Bacillus and also its ability to biodegradate BDE-15.

Key words: BDE-15, Bacillus, degradation

CLC Number:

X172

ZHANG Qiong, WU Jun, YANG Liu-Yan. Effect of Glucose Accelerating Degradation of Aqueous BDE-15 by Bacillus[J]. Journal of Ecology and Rural Environment, 2012, 28(6): 718-721.

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Effect of Glucose Accelerating Degradation of Aqueous BDE-15 by Bacillus

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