异养硝化-好氧反硝化菌脱氮特性研究进展  

Research Advances in Denitrification Property of the Heterotrophic Nitrification-Aerobic Denitrification Bacteria

作　　者：陈均利 彭英湘 刘锋[1] 罗沛 张树楠[1] 张苗苗[1] 胡廉成 吴金水[1,2] CHEN Junli;PENG Yingxiang;LIU Feng;LUO Pei;ZHANG Shunan;ZHANG Miaomiao;HU Liancheng;WU Jinshui(Key Laboratory of Agro-ecological Processes in Subtropical Regions,Changsha Research Station for Agricultural and Environmental Monitoring,Institute of Subtropical Agriculture,Chinese Academy of Sciences,Changsha 410125,China;University of Chinese Academy of Sciences,Beijing 100049,China;Hunan Jiahe Breeding Intelligence Service Co.,Ltd.,Changsha 410199,China;Hunan Ecological and Environmental Monitoring Center,Changsha 410114,China)

机构地区：[1]中国科学院亚热带农业生态研究所,亚热带农业生态过程重点实验室,长沙农业环境观测研究站,湖南长沙410125 [2]中国科学院大学,北京100049 [3]湖南佳和智农技术咨询有限公司,湖南长沙410199 [4]湖南省生态环境监测中心,湖南长沙410014

出　　处：《环境科学与技术》2020年第5期41-48,共8页Environmental Science & Technology

基　　金：国家重点计划研发项目(2018YFD0800504);国家自然科学基金项目(41807056,41771302);湖南省重点研发计划项目(2017NK2161)。

摘　　要：异养硝化-好氧反硝化(HN-AD)菌能在好氧条件下异养硝化,将硝化产物转化为含氮气体快速脱氮,成为污水生物脱氮处理领域的研究热点。该文综述了近30年来已分离HN-AD菌株的种类、脱氮特性和代谢途径,重点总结了溶解氧、碳源和温度等条件对HN-AD菌生长和脱氮能力的影响,简述了HN-AD菌实际废水处理工艺的应用和研究现状,并对HN-AD菌的研究重点和技术应用前景进行了展望。Heterotrophic nitrification-aerobic denitrification(HN-AD)bacteria can remove ammonia nitrogen under aerobic conditions,and transform nitrification products to nitrogenous gas for rapid nitrogen removal.The advantages of HN-AD bacteria had made it become a research hotspot in the field of microbial denitrification of wastewater.This study comprehensively reviewed the distribution and metabolic pathway,species and biological characteristics.Effects of dissolved oxygen,ammonia nitrogen concentration,carbon sources,carbon-to-nitrogen ratio,and temperature on the growth and nitrogen removal of HN-AD bacteria were summarized.Then the application and research status of HN-AD bacteria in actual wastewater treatment were explored.Finally,the perspectives for research focus and technology application of HN-AD bacteria were discussed.

关 键 词：异养硝化-好氧反硝化菌 代谢途径 环境因子 污水生物处理 

分 类 号：X703[环境科学与工程—环境工程]