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浙江大学学报(工学版)
J4  2013, Vol. 47 Issue (5): 883-888    DOI: 10.3785/j.issn.1008-973X.2013.05.021
化学与生物工程、环境工程     
生物产电加速厌氧堆肥污泥降解及产电性能
黄更,姜珺秋,赵庆良,于航,王琨
哈尔滨工业大学 市政环境工程学院,黑龙江 哈尔滨 150090
Performance of sludge degradation and electricity production accelerated by bioelectrogenesis in sludge anaerobic composting
HUANG Geng, JIANG Jun-qiu, ZHAO Qing-liang, YU Hang, WANG Kun
School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China
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摘要：

为解决污泥厌氧堆肥系统（AnC）运行周期长的问题,在AnC中设置电极引入生物产电技术加速污泥降解同时实现电能回收,构建微生物燃料电池（MFC）型厌氧堆肥系统（MFC-AnC）,考查MFC-AnC对污泥降解及产电性能.结果表明,以脱水污泥为堆肥底物、铁氰化钾为阴极电解液的MFC-AnC堆肥45 d后污泥有机质去除率达22.4%,对照组AnC中为17.7%.MFC-AnC开路电压可达0.84 V,最大功率密度为5.3 W/m3,内阻为98 Ω.增大污泥含水率可显著降低MFC-AnC内阻,提高产电性能.餐厨垃圾的添加可改善脱水污泥降解特性,促进厌氧堆肥顺利进行,降低MFC-AnC内阻.当餐厨垃圾∶脱水污泥体积比为0.5∶1时,获得系统最低内阻和最高输出电压,继续增大餐厨垃圾比例将使内阻升高.
Abstract:

In order to solve the problem of long operation period in anaerobic composting system, an MFC-AnC system was constructed by introducing bioelectrogenesis into AnC system to enhance the sludge degradation and recovery power simultaneously. The performance of sludge degradation and electricity generation was investigated. After 45 days composting, the organic matter w (OM) removal efficiency of dewatered sludge in AnC was 17.7%, while in MFC-AnC achieved 22.4% and the maximum power density was 5.3 W/m3, the open circuit potential (OCP) was 0.84V and the internal resistance was 98 ohm with potassium ferricyanide as its electron acceptor. Increasing the moisture content (MC) of the raw dewatered sludge can significantly reduce the internal resistance of MFC-AnC and enhance the electricity generation. Adding food waste in the raw dewatered sludge can improve the performance of sludge degradation and reduce system internal resistance. The lowest internal resistance and the highest voltage output of MFC-AnC were obtained when the ratio of food waste: dewatered sludge was 0.5∶1. Improving the food waste proportion more than that would increase the internal resistance.
出版日期: 2013-05-01
:  X 505  
基金资助:

国家自然科学基金资助项目(51206036) ；中央高校基本科研业务费专项资金资助项目（HIT.NSRIF.201192）；国家水污染控制与治理重大科技专项资助项目（2009ZX07317-009-08）.
通讯作者: 姜珺秋，女，讲师．     E-mail: jiangjq_hit@126.com
作者简介: 黄更（1988-），女，硕士生，从事污泥厌氧堆肥及生物产电研究．E-mail：huanggeng_2007@126.com
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引用本文:

黄更,姜珺秋,赵庆良,于航,王琨. 生物产电加速厌氧堆肥污泥降解及产电性能[J]. J4, 2013, 47(5): 883-888.

HUANG Geng, JIANG Jun-qiu, ZHAO Qing-liang, YU Hang, WANG Kun. Performance of sludge degradation and electricity production accelerated by bioelectrogenesis in sludge anaerobic composting. J4, 2013, 47(5): 883-888.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2013.05.021    或    http://www.zjujournals.com/eng/CN/Y2013/V47/I5/883

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