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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

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顾冬燕 1   贾红华 1   伍元东 1   周俊 1   吴夏芫 1   郑涛 2   雍晓雨 1 *  
文摘 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。
其他语种文摘 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.
来源 化工学报 ,2016,67(5):2056-2063 【核心库】
DOI 10.11949/j.issn.0438-1157.20151527
关键词 微生物燃料电池 ; 产电 ; 降解 ; 沼液 ; 三苯基氯化锡 ; 电化学 ; 生物过程
地址

1. 南京工业大学生物与制药工程学院, 江苏, 南京, 211816  

2. 中国科学院广州能源研究所, 广东, 广州, 510640

语种 中文
文献类型 研究性论文
ISSN 0438-1157
学科 电工技术
基金 国家973计划 ;  江苏省自然科学基金 ;  江苏省高校自然科学基础研究项目 ;  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
文献收藏号 CSCD:5701595

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