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以萘为共代谢的芘的好氧生物降解

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王文静, 陈海, 李博, 杨琦. 以萘为共代谢的芘的好氧生物降解[J]. 环境工程学报, 2016, 10(11): 6332-6336. doi: 10.12030/j.cjee.201506161
引用本文: 王文静, 陈海, 李博, 杨琦. 以萘为共代谢的芘的好氧生物降解[J]. 环境工程学报, 2016, 10(11): 6332-6336. doi: 10.12030/j.cjee.201506161
shu
WANG Wenjing, CHEN Hai, LI Bo, YANG Qi. Biodegradation of pyrene using naphthalene as cometabolism substrate[J]. Chinese Journal of Environmental Engineering, 2016, 10(11): 6332-6336. doi: 10.12030/j.cjee.201506161
Citation: WANG Wenjing, CHEN Hai, LI Bo, YANG Qi. Biodegradation of pyrene using naphthalene as cometabolism substrate[J]. Chinese Journal of Environmental Engineering, 2016, 10(11): 6332-6336. doi: 10.12030/j.cjee.201506161
shu

以萘为共代谢的芘的好氧生物降解

  • 1.

    中国地质大学(北京)水资源与环境学院, 水资源与环境工程重点实验室, 北京 100083

  • 基金项目:

    北京市产学研项目（51900265005）

    国家水体污染控制与治理科技重大专项（2015ZX07406005，2009ZX07207-008，2009ZX07419-002，2009ZX07207-001）

    中央高校基本科研业务费专项（2652013101，2652013086，2652013087，2652015118，2652015005，2652015006）

    科学仪器基础研究专款资助项目（2012YQ060115）

Biodegradation of pyrene using naphthalene as cometabolism substrate

  • 1.

    School of Water Resources and Environment, China University of Geosciences, Beijing 100083, China

  • Fund Project:

  • 摘要: 为更好有效去除地下水中的常见污染物芘，以萘为降解基质，利用苍白杆菌降解芘，并对反应影响因素进行了研究，模拟了反应动力学。结果表明：浓度为100 mg·L-1、pH=7、25℃、萘的初始反应24 h后萘的去除率达到99.84%，芘的去除率达到37.5%。另外，菌株在萘初始浓度不同的条件下对萘的降解符合一级动力学，对芘的降解符合二级动力学。结果表明苍白杆菌在去除地下水中的萘和芘方面具有很大前景。
    Abstract: To find a more effective way of removing common contaminants from groundwater, we studied pyrene degradation by Pale coli, by using naphthalene as a co-metabolite. We also analyzed the underlying reaction kinetics. Optimum reaction conditions for the pale coli strain were as follows:initial concentration of naphthalene up to 100 mg·L-1, pH 7, and 25℃. The degradation of naphthalene by pale coli fitted first-order reaction kinetics for different initial concentrations of naphthalene, while pyrene degradation fitted a second-order reaction. Results show that the pale coli strain has great potential in removing naphthalene and pyrene from groundwater.
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  • 收稿日期:  2015-11-01
  • 刊出日期:  2016-11-26
王文静, 陈海, 李博, 杨琦. 以萘为共代谢的芘的好氧生物降解[J]. 环境工程学报, 2016, 10(11): 6332-6336. doi: 10.12030/j.cjee.201506161
引用本文: 王文静, 陈海, 李博, 杨琦. 以萘为共代谢的芘的好氧生物降解[J]. 环境工程学报, 2016, 10(11): 6332-6336. doi: 10.12030/j.cjee.201506161
shu
WANG Wenjing, CHEN Hai, LI Bo, YANG Qi. Biodegradation of pyrene using naphthalene as cometabolism substrate[J]. Chinese Journal of Environmental Engineering, 2016, 10(11): 6332-6336. doi: 10.12030/j.cjee.201506161
Citation: WANG Wenjing, CHEN Hai, LI Bo, YANG Qi. Biodegradation of pyrene using naphthalene as cometabolism substrate[J]. Chinese Journal of Environmental Engineering, 2016, 10(11): 6332-6336. doi: 10.12030/j.cjee.201506161
shu

以萘为共代谢的芘的好氧生物降解

  • 1. 中国地质大学(北京)水资源与环境学院, 水资源与环境工程重点实验室, 北京 100083
  • 收稿日期:  2015-11-01
基金项目:

北京市产学研项目（51900265005）

国家水体污染控制与治理科技重大专项（2015ZX07406005，2009ZX07207-008，2009ZX07419-002，2009ZX07207-001）

中央高校基本科研业务费专项（2652013101，2652013086，2652013087，2652015118，2652015005，2652015006）

科学仪器基础研究专款资助项目（2012YQ060115）

摘要: 为更好有效去除地下水中的常见污染物芘，以萘为降解基质，利用苍白杆菌降解芘，并对反应影响因素进行了研究，模拟了反应动力学。结果表明：浓度为100 mg·L-1、pH=7、25℃、萘的初始反应24 h后萘的去除率达到99.84%，芘的去除率达到37.5%。另外，菌株在萘初始浓度不同的条件下对萘的降解符合一级动力学，对芘的降解符合二级动力学。结果表明苍白杆菌在去除地下水中的萘和芘方面具有很大前景。

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