短程反硝化用于污水脱氮的机制、影响因素和工艺研究进展  

Research progress of partial denitrification in wastewater treatment:Mechanisms,influential factors,and technology

作　　者：谢健强 张建美 吕钰楠 雷抗 XIE Jianqiang;ZHANG Jianmei;LÜYu’nan;LEI Kang(College of Resources and Environment,Yangtze University,Wuhan 430100,China;Middle Changjiang River Bureau of Hydrology and Water Resources Survey,Wuhan 430014,China)

机构地区：[1]长江大学资源与环境学院,湖北武汉430100 [2]长江水利委员会水文局长江中游水文水资源勘测局,湖北武汉430014

出　　处：《工业水处理》2024年第7期19-28,共10页Industrial Water Treatment

基　　金：国家自然科学青年基金项目(41401545)。

摘　　要：短程反硝化可以将硝酸盐部分还原并实现亚硝酸盐的积累,是厌氧氨氧化反应获取亚硝酸盐底物的重要途径,在污水高效低耗脱氮中具有较大的应用潜力,成为近年来的研究热点。首先从短程反硝化的生物过程及相关微生物菌群类型方面介绍了短程反硝化的作用机制;随后针对碳源、C/N、环境条件、重金属等方面总结了影响短程反硝化过程的因素,并阐述了近几年短程反硝化工艺在实际污水脱氮过程中的工艺研究;最后,探讨了现阶段短程反硝化研究过程中存在的问题,并对工艺的优化启动策略进行了展望,以期为该工艺在污水脱氮中的进一步发展和应用提供理论支撑。Partial denitrification(PD)can reduce nitrate to nitrite,and is an important way to provide substrates steadily in anaerobic ammonia oxidization(ANAMMOX)reaction.PD has great potential in energy-efficient biological nitrogen removal of wastewater,and has become a research hotspot in recent years.In this work,the mechanism of PD was in⁃troduced from the aspects of its biological process and functional microorganisms.Then the key factors affecting the PD process,such as carbon source,carbon-nitrogen ratio,environmental conditions,and heavy metals,etc.were summarized.Moreover,the research on PD in biological nitrogen removal process in recent years was also reviewed.Finally,the problems existing in the current research and the aspects for further research of PD were discussed.This work is expected to provide theoretical supports for the development and application of PD in biological nitrogen removal of wastewater.

关 键 词：短程反硝化 生物脱氮 亚硝酸盐积累 厌氧氨氧化 

分 类 号：X703[环境科学与工程—环境工程]