| 硝酸盐还原条件下Fe0/厌氧微生物联合体系降解2,4,6-三氯酚 |
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| 引用本文： | 高宝钗,戴友芝,胡克伟,王辉,贾明畅. 硝酸盐还原条件下Fe0/厌氧微生物联合体系降解2,4,6-三氯酚[J]. 微生物学通报, 2010, 37(1): 0019-0023 |
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| 作者姓名： | 高宝钗 戴友芝 胡克伟 王辉 贾明畅 |
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| 作者单位： | 湘潭大学环境工程系,湖南湘潭,411105 |
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| 基金项目： | 国家自然科学基金项目(No. 20977072); 国家“十一五”湘江水专项(No. 2009ZX07212-001-03) |
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| 摘 要： | 本文采用间歇试验,对硝酸盐还原条件下Fe0/厌氧微生物联合体系降解2,4,6-三氯酚(2,4,6-TCP)进行了研究。考察了不同硝酸盐浓度下,体系中pH、硝酸盐浓度以及硝酸盐还原活性的变化情况。结果表明:当2,4,6-TCP初始浓度为20mg/L时,硝酸盐对Fe0/厌氧微生物联合体系降解2,4,6-三氯酚具有明显的抑制作用;且随着硝酸盐浓度的升高,2,4,6-TCP的去除率降低,硝酸盐还原活性升高;体系先发生硝酸盐还原再进行2,4,6-TCP还原脱氯。
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| 关 键 词： | 2 4 6-三氯酚 Fe0 硝酸盐还原 厌氧微生物 |
Degradation of 2,4,6-trichlorophenol by Integrated Microbial-Fe0 Treatment System Under Nitrate-reducing Conditions |
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| GAO Bao-Chai,DAI You-Zhi,HU Ke-Wei,WANG Hui and JIA Ming-Chang. Degradation of 2,4,6-trichlorophenol by Integrated Microbial-Fe0 Treatment System Under Nitrate-reducing Conditions[J]. Microbiology China, 2010, 37(1): 0019-0023 |
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| Authors: | GAO Bao-Chai DAI You-Zhi HU Ke-Wei WANG Hui JIA Ming-Chang |
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| Affiliation: | Department of Environmental Engineering, Xiangtan University, Xiangtan, Hunan 411105, China;Department of Environmental Engineering, Xiangtan University, Xiangtan, Hunan 411105, China;Department of Environmental Engineering, Xiangtan University, Xiangtan, Hunan 411105, China;Department of Environmental Engineering, Xiangtan University, Xiangtan, Hunan 411105, China;Department of Environmental Engineering, Xiangtan University, Xiangtan, Hunan 411105, China |
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| Abstract: | In this paper, a batch laboratory test was conducted to study the degradation of 2,4,6-trichlorophenol (2,4,6-TCP) using an integrated microbial-Fe0 treatment system under nitrate-reducing conditions. The changes of pH, nitrate concentration, nitrate-reducing activity were detected under different nitrate concentrations. Results showed that the degradation of 2,4,6-trichlorophenol at an initial concentration of 20 mg/L was significantly inhibited under nitrate-reducing conditions. And 2,4,6-trichlorophenol removal efficiency declined and nitrate-reducing activity raised with the increase of initial nitrate concentration. Nitrate is reduced in this system followed by the reductive dechlorination of 2,4,6-trichlorophenol. |
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| Keywords: | 2 4 6-Trichlorophenol Fe0 nitrate-reducing anaerobic microbe |
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