生物阴极的构建方法对偶氮染料降解过程的影响

doi:10.12068/j.issn.1005-3026.2017.07.021

东北大学学报:自然科学版 ›› 2017, Vol. 38 ›› Issue (7): 1012-1016.DOI: 10.12068/j.issn.1005-3026.2017.07.021

生物阴极的构建方法对偶氮染料降解过程的影响

王有昭，潘元，谢元华，朱彤

(东北大学机械工程与自动化学院，辽宁沈阳110819)

收稿日期:2016-01-25 修回日期:2016-01-25 出版日期:2017-07-15 发布日期:2017-07-07
通讯作者: 王有昭
作者简介:王有昭(1984-)，男，辽宁大连人，东北大学师资博士后研究人员；朱彤(1963-)，辽宁沈阳人，东北大学教授，博士生导师.
基金资助:
辽宁省教育厅科学研究一般项目(L20150178)；国家自然科学基金青年基金资助项目(51608099)；东北大学博士后科学基金资助项目(20150304)；中国博士后科学基金资助项目(2015M570255).

Effects of Biocathode Construction Methods on Azo Dye Degradation Process

WANG You-zhao， PAN Yuan， XIE Yuan-hua， ZHU Tong

School of Mechanical Engineering & Automation， Northeastern University， Shenyang 110819， China.

Received:2016-01-25 Revised:2016-01-25 Online:2017-07-15 Published:2017-07-07
Contact: ZHU Tong
About author:-
Supported by:
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摘要/Abstract

摘要： 生物阴极可以强化偶氮染料在生物电化学系统中的脱色降解过程.针对三种不同的生物阴极构建方法进行了评估分析.实验结果表明，三种方法都可以加速偶氮染料在阴极的脱色降解，反应过程基本属于一级动力学过程.其中利用生物阳极反转方法构建的生物阴极展示出了最大的催化电流(0.12mA)和偶氮染料去除效率(85.2%)，厌氧污泥接种方法构成的生物阴极在电子回收率方面具备优势(71.8%).对生物阴极的微生物群落结构进行分析，发现电极表面存在着大量与电化学活性和偶氮染料脱色功能相关的微生物，表明生物阴极的强化作用与微生物膜的组成密切相关.

关键词: 生物阴极, 接种, 偶氮染料, 微生物群落, 生物电化学系统

Abstract: The biocathode can enhance the azo dye decolorization process in bioelectrochemical system. Three construction methods for biocathode were analyzed. The experimental results indicated that all the biocathodes formed by those methods could accelerate the azo dye decolorization process and those reactions were mostly dynamical processes. Among those methods， the anode polarity-reversal method showed the maximum catalytic current (0.12mA) and azo dye removal efficiency (85.2%). While the other method，in which the biocathode was formed by anaerobic sludge inoculation，had the advantage in electron recovery efficiency(71.8%). By analyzing the microbial biofilm structure of biocathodes， there were large amount of microbes correlated with functions of electrochemical activity or azo dye decolorization， which indicated that the enhancing effect of biocathodes related closely to the biofilm structures.

Key words: biocathode, inoculation, azo dye, microbial community, bioelectrochemical system

中图分类号:

王有昭，潘元，谢元华，朱彤. 生物阴极的构建方法对偶氮染料降解过程的影响[J]. 东北大学学报:自然科学版, 2017, 38(7): 1012-1016.

WANG You-zhao， PAN Yuan， XIE Yuan-hua， ZHU Tong. Effects of Biocathode Construction Methods on Azo Dye Degradation Process[J]. Journal of Northeastern University Natural Science, 2017, 38(7): 1012-1016.

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生物阴极的构建方法对偶氮染料降解过程的影响

Effects of Biocathode Construction Methods on Azo Dye Degradation Process

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