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偶氮染料的厌氧-好氧生物降解过程和影响因素

温贝贝 刘志刚 马鲁铭

四川环境2013,Vol.32Issue(2):82-86,5.
四川环境2013,Vol.32Issue(2):82-86,5.

偶氮染料的厌氧-好氧生物降解过程和影响因素

Biodegradation Process and Influencing Factors of Azo Using Anaerobic-aerobic Technology

温贝贝 1刘志刚 1马鲁铭1

作者信息

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摘要

Abstract

The total amount and kinds of azo dyes are the biggest of synthetic dyes. Usually the anaerobic-aerobic process is adopted to degrade the azo dyes, for the azo dyes can be reduced to aromatic amines in anaerobic condition, and then degraded completely in the following aerobic condition. Anaerobic reduction process of azo dyes is influenced by the structure and concentration of azo dye, the kind and concentration of substrates, other electron acceptors, redox mediator, environmental parameters such as temperature and dissolved oxygen, and hydraulic retention time. The degradation of aromatic amines under aerobic conditions is affected by its own structure, concentration, additional carbon, degradation system etc. and disturbed by the auto-oxidation of aromatic amines. Good conditions should be provided to improve the azo dyes degradation efficiency of anaerobic-aerobic technology in practical wastewater treatment.

关键词

偶氮染料/生物降解/还原

Key words

Azo dye/ biodegradation/ reduction

分类

资源环境

引用本文复制引用

温贝贝,刘志刚,马鲁铭..偶氮染料的厌氧-好氧生物降解过程和影响因素[J].四川环境,2013,32(2):82-86,5.

基金项目

国家高技术发展研究计划"863"重点项目"催化还原处理技术与装置研究"(2009AA063902). (2009AA063902)

四川环境

OACSTPCD

1001-3644

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