微生物燃料电池在污水生物脱氮中的研究进展

doi:10.16085/j.issn.1000-6613.2016.04.040

摘要/Abstract

摘要： 微生物燃料电池(MFC)是一种新型污水处理技术,其在处理污水的同时能产生电能,引起众多研究者的关注.将MFC应用于含氮污水的处理中便形成了反硝化或同步硝化反硝化MFC系统.本文回顾了MFC生物脱氮的发展历程,并从MFC实验装置的设计构造(空间构型、电极材料、分隔材料)、影响因素(含氮污染物浓度、水力停留时间、溶解氧、碳源与碳氮比、温度、pH值、外电阻)和反硝化细菌的基因表达与多样性等3个方面进行了综述与分析,提出需要从以下方面进行MFC生物脱氮效能的强化:开发具有强电子传输能力和氨氧化催化功能的廉价高效电极材料,优化MFC脱氮的运行条件和探索不同环境下的脱氮机理,通过研究MFC阴极微生物种群构成筛选培育优势反硝化功能菌.

关键词: 微生物燃料电池, 污水处理, 生物脱氮, 反硝化, 催化, 厌氧

Abstract: Microbial fuel cell (MFC) is a new technology for wastewater treatment while generating electricity simultaneously. Applying MFC to nitrogen removal makes the system denitrification MFC or simultaneous nitrification and denitrification (SND) MFC. This paper firstly gave an introduction on the development of biological denitrification in MFC system. Then we analyzed factors influencing MFC nitrogen removal efficiency. The analysis was mainly focused on the MFC configuration (space configuration, electrode materials, separation materials), the operation conditions (nitrogen components concentrations, HRT, dissolved oxygen, carbon source and C/N ratio, temperature, pH, external resistance), as well as the gene expression and diversity of denitrifying bacteria in systems. Finally, suggestions were proposed as following:developing high economic and efficient electrode materials with strong electron transfer ability and ammonia oxidation catalytic function, optimizing the operation conditions of the MFC denitrification systems and analyzing nitrogen removal mechanism, and screening efficient denitrification bacteria through the analysis of microbial community structure in MFC denitrification systems.

Key words: microbial fuel cell (MFC), wastewater treatment, biological nitrogen removal, denitrification, catalysis, anaerobic

中图分类号:

X703.1

赵慧敏, 李晓玲, 赵剑强. 微生物燃料电池在污水生物脱氮中的研究进展[J]. 化工进展, 2016, 35(04): 1216-1222.

ZHAO Huimin, LI Xiaoling, ZHAO Jianqiang. Research progress of biological nitrogen removal by microbial fuel cell[J]. Chemical Industry and Engineering Progree, 2016, 35(04): 1216-1222.

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