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河道底泥中四氯双酚A的厌氧降解及硫酸盐还原菌对其降解效率的影响

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刘世诚, 李玲玲, 任源, 黄志立, 张丽君. 河道底泥中四氯双酚A的厌氧降解及硫酸盐还原菌对其降解效率的影响[J]. 环境化学, 2014, 33(6): 915-922. doi: 10.7524/j.issn.0254-6108.2014.06.021
引用本文: 刘世诚, 李玲玲, 任源, 黄志立, 张丽君. 河道底泥中四氯双酚A的厌氧降解及硫酸盐还原菌对其降解效率的影响[J]. 环境化学, 2014, 33(6): 915-922. doi: 10.7524/j.issn.0254-6108.2014.06.021
shu
LIU Shicheng, LI Lingling, REN Yuan, HUANG Zhili, ZHANG Lijun. Anaerobic biodegradation of TCBPA in river sediment and the role of Sulfate Reducing Bacteria (SRB) in TCBPA’s degradation[J]. Environmental Chemistry, 2014, 33(6): 915-922. doi: 10.7524/j.issn.0254-6108.2014.06.021
Citation: LIU Shicheng, LI Lingling, REN Yuan, HUANG Zhili, ZHANG Lijun. Anaerobic biodegradation of TCBPA in river sediment and the role of Sulfate Reducing Bacteria (SRB) in TCBPA’s degradation[J]. Environmental Chemistry, 2014, 33(6): 915-922. doi: 10.7524/j.issn.0254-6108.2014.06.021
shu

河道底泥中四氯双酚A的厌氧降解及硫酸盐还原菌对其降解效率的影响

  • 1.

    华南理工大学环境与能源学院, 广州, 510006;

  • 2.

    深圳职业技术学院应用化学与生物技术学院, 深圳, 518055

  • 基金项目:

    国家自然科学基金51178190；广州市科信局应用基础研究项目2013J4100107；教育部留学回国人员科研启动基金资助.

Anaerobic biodegradation of TCBPA in river sediment and the role of Sulfate Reducing Bacteria (SRB) in TCBPA’s degradation

  • 1.

    South China University of Technology, College of Enviroment and Energy, Guangzhou, 510006, China;

  • 2.

    Shenzhen Polytechnic, School of Applied Chemistry and Biology Technology, Shenzhen, 518055, China

  • Fund Project:

  • 摘要: 本文采用血清瓶实验研究了贵屿镇练江底泥TCBPA的厌氧降解特性以及该过程中硫酸盐还原菌的变化情况.结果表明，在不同还原条件下，TCBPA 降解效率顺序为：产甲烷环境>硫酸盐还原环境>接种控制，对应降解速率常数分别为：0.0844 d-1、0.0694 d-1、0.0561 d-1，半衰期分别为：8.2 d、10.0 d、12.4 d.与接种控制组相比，加入电子供体可加速TCBPA降解，降解速率常数可达0.0722 d-1，半衰期为9.6 d.加入邻苯二甲酸丁酯后，TCBPA降解受到抑制，降解速率常数为0.0491 d-1，半衰期为14.1 d.使用Comparative Ct法进行荧光定量PCR实验，结果表明硫酸盐还原菌在TCBPA降解过程中起到了积极的作用.
    Abstract: In this research, serum bottle experiments were established to investigate the anaerobic transformation of TCBPA with Lianjiang River sediments (Guiyu Town, Guangdong Province), and the changes of sulfate-reducing bacteria (SRB) in this process. The results showed that the order of anaerobic degradation rates of TCBPA in the sediments under different reducing conditions was methanogenic condition> sulfate-reducing condition> inoculated control. The degradation rate constants of each condition were 0.0844 d-1, 0.0694 d-1, and 0.0561 d-1, while their half-lives were 8.2 d, 10.0 d, and 12.4 d, respectively. The degradation rate of TCBPA was enhanced by the addition of electron donors. Compared with the inoculated control sample, the degradation rate constant increased to 0.0722 d-1 and the half-life decreased to 9.6 d. On the other hand, the degradation was inhibited by the addition of butyl phthalate. The degradation rate constant decreased to 0.0491 d-1, and the half-life increased to 14.1 d. Real time PCR experiment proved the positive role of SRB in the process of TCBPA degradation.
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  • 收稿日期:  2014-01-04
刘世诚, 李玲玲, 任源, 黄志立, 张丽君. 河道底泥中四氯双酚A的厌氧降解及硫酸盐还原菌对其降解效率的影响[J]. 环境化学, 2014, 33(6): 915-922. doi: 10.7524/j.issn.0254-6108.2014.06.021
引用本文: 刘世诚, 李玲玲, 任源, 黄志立, 张丽君. 河道底泥中四氯双酚A的厌氧降解及硫酸盐还原菌对其降解效率的影响[J]. 环境化学, 2014, 33(6): 915-922. doi: 10.7524/j.issn.0254-6108.2014.06.021
shu
LIU Shicheng, LI Lingling, REN Yuan, HUANG Zhili, ZHANG Lijun. Anaerobic biodegradation of TCBPA in river sediment and the role of Sulfate Reducing Bacteria (SRB) in TCBPA’s degradation[J]. Environmental Chemistry, 2014, 33(6): 915-922. doi: 10.7524/j.issn.0254-6108.2014.06.021
Citation: LIU Shicheng, LI Lingling, REN Yuan, HUANG Zhili, ZHANG Lijun. Anaerobic biodegradation of TCBPA in river sediment and the role of Sulfate Reducing Bacteria (SRB) in TCBPA’s degradation[J]. Environmental Chemistry, 2014, 33(6): 915-922. doi: 10.7524/j.issn.0254-6108.2014.06.021
shu

河道底泥中四氯双酚A的厌氧降解及硫酸盐还原菌对其降解效率的影响

  • 1.  华南理工大学环境与能源学院, 广州, 510006;
  • 2.  深圳职业技术学院应用化学与生物技术学院, 深圳, 518055
  • 收稿日期:  2014-01-04
基金项目:

国家自然科学基金51178190；广州市科信局应用基础研究项目2013J4100107；教育部留学回国人员科研启动基金资助.

摘要: 本文采用血清瓶实验研究了贵屿镇练江底泥TCBPA的厌氧降解特性以及该过程中硫酸盐还原菌的变化情况.结果表明，在不同还原条件下，TCBPA 降解效率顺序为：产甲烷环境>硫酸盐还原环境>接种控制，对应降解速率常数分别为：0.0844 d-1、0.0694 d-1、0.0561 d-1，半衰期分别为：8.2 d、10.0 d、12.4 d.与接种控制组相比，加入电子供体可加速TCBPA降解，降解速率常数可达0.0722 d-1，半衰期为9.6 d.加入邻苯二甲酸丁酯后，TCBPA降解受到抑制，降解速率常数为0.0491 d-1，半衰期为14.1 d.使用Comparative Ct法进行荧光定量PCR实验，结果表明硫酸盐还原菌在TCBPA降解过程中起到了积极的作用.

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