| 电辅助微生物反应器降解苯并噻唑效能的研究 |
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| 引用本文： | 刘春苗,丁杰,刘先树,程旺斌.电辅助微生物反应器降解苯并噻唑效能的研究[J].环境科学,2014,35(11):4192-4197. |
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| 作者姓名： | 刘春苗 丁杰 刘先树 程旺斌 |
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| 作者单位： | 哈尔滨工业大学城市水资源与水环境国家重点实验室,哈尔滨,150090 |
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| 基金项目： | 国家高技术研究发展计划(863)项目，国家水体污染控制与治理科技重大专项，新世纪优秀人才支持计划项目，哈尔滨工业大学城市水资源与水环境国家重点实验室自主课题项目 |
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| 摘 要： | 本研究采用单室电辅助微生物反应器(EAMR)氧化苯并噻唑(BTH),考察了外加电压和COD/BTH对BTH降解效能的影响.结果发现,BTH在阳极氧化降解为2-羟基苯并噻唑(OHBT)后,噻唑环断裂,最终转化为2-甲磺酰基苯胺;BTH的降解过程符合表观一级动力学规律,并且提高外加电压和引入共基质代谢作用均能提高BTH的降解反应速率常数;在外加电压0.7 V和COD/BTH值为30∶1时,48 h后BTH的降解率可以达到96%,实现了BTH类废水的高效脱毒,为后续生物处理创造了有利的条件.
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| 关 键 词： | 电辅助微生物反应器 苯并噻唑 阳极微生物 共基质 2-羟基苯并噻唑 |
| 收稿时间： | 2014/3/30 0:00:00 |
| 修稿时间： | 5/5/2014 12:00:00 AM |
Degradation of Benzothiazole in Electro-Assisted Microbial Reactor |
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| LIU Chun-miao,DING Jie,LIU Xian-shu and CHENG Wang-bin.Degradation of Benzothiazole in Electro-Assisted Microbial Reactor[J].Chinese Journal of Environmental Science,2014,35(11):4192-4197. |
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| Authors: | LIU Chun-miao DING Jie LIU Xian-shu and CHENG Wang-bin |
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| Institution: | State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China;State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China;State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China;State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China |
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| Abstract: | The oxidative degradation of benzothiazole (BTH) in a single-chamber electro-assisted microbial reactor was investigated. The effects of applied voltage and COD/BTH ratio on the performance of degrading benzothiazole were studied. The research showed that BTH was oxidized to 2-hydroxy-benzothiazole (OHBT), then thiazole ring scission, and BTH translated into 2-methylsulfonylaniline eventually. The degrading of benzothiazole was in conformity with the pseudo first-order kinetic model, and the pseudo first-order kinetic constant can be increased by raising the applied voltage and co-metabolism. When the applied voltage was 0.7 V and COD/BTH ratio was 30, the degradation rate was 96% in 48 h, achieving the detoxification of BTH, and that is advantageous to the biochemical treatment. |
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| Keywords: | electro-assisted microbial reactor benzothiazole(BTH) anodophilic microbes co-substrate 2-hydroxy-benzothiazole |
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