利用微生物燃料电池同步降解沼液和三苯基氯化锡
Synchronously degradation of biogas slurry and triphenyltin chloride in microbial fuel cell
查看参考文献34篇
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文摘
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微生物燃料电池(MFC)作为一种同步产电和除污的新型电化学装置,为有效处理难降解有机污染物提供了一种途径。基于阴极Fenton反应,提出了一种耦合典型双室MFC中阳极沼液产电及阴极降解有机锡的新方法。结果表明,阳极产电生物膜经驯化后MFC的最高电压提高了50.32%,而且电压稳定时间延长了1倍。MFC运行结束后,阳极沼液COD、总氮、总磷的去除率分别为85.35%±1.53%、59.20%±5.24%、44.98%±3.57%。阴极三苯基氯化锡(TPTC)的降解率随其初始浓度增加而降低。在添加100 μmol·L~(-1) TPTC时,MFC的最高输出电压为280.2 mV,最大功率密度为145.62 mW·m~(-2)。TPTC在14 d后完全降解,降解效率为91.88%,降解速率约为0.273 μmol·L~(-1)·h-1。研究结果可为利用MFC同步处理阳极有机废水和阴极有机污染物的实际应用提供基础支持。 |
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其他语种文摘
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As a novel electrochemical apparatus for synchronous electricity generation and decontamination, microbial fuel cell (MFC) provides a way to effectively deal with the refractory pollutant. A new method of electricity production by anodic biogas slurry coupling with cathodic triphenyltin chloride degradation was proposed based on the cathodic "Fenton" reaction in a typical dual-chamber MFC. The results showed that the maximum voltage was 50.32% higher and the stable time of the voltage was 2 times longer after biofilms domestication. In the end of the operation, the removal efficiency of COD, Total N and Total P of the biogas slurry were 85.35%±1.53%, 59.20%±5.24% and 44.98%±3.57%, respectively. Besides, the triphenyltin chloride (TPTC) degradation efficiency decreased with increasing initial concentration. In addition, when 100 μmol·L~(-1) TPTC was added to the cathodic chamber, the highest output voltage and the maximum power density of the MFC arrived at 280.2 mV and 145.62 mW·m~(-2), respectively. TPTC was removed after 14 d with the degradation of 91.88% and a rate of about 0.273 μmol·L~(-1)·h-1. This study provided the foundational supports for simultaneously decomposing anodic organic effluent and cathodic organic pollution by MFC. |
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来源
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化工学报
,2016,67(5):2056-2063 【核心库】
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DOI
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10.11949/j.issn.0438-1157.20151527
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关键词
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微生物燃料电池
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产电
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降解
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沼液
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三苯基氯化锡
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电化学
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生物过程
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地址
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1.
南京工业大学生物与制药工程学院, 江苏, 南京, 211816
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中国科学院广州能源研究所, 广东, 广州, 510640
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0438-1157 |
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学科
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电工技术 |
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基金
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国家973计划
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江苏省自然科学基金
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江苏省高校自然科学基础研究项目
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中国科学院环境与应用微生物重点实验室专项研究基金计划
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文献收藏号
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CSCD:5701595
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