倒置A^2/O工艺氮平衡与脱氮效率的分析  

Analysis of Nitrogen Balance and Nitrogen Removal Efficiency in Inversed A^2/O Process

作　　者：冯兆继[1] 石明岩[1] 莫东华[1] 

机构地区：[1]广州大学土木工程学院,广东广州510006

出　　处：《化工环保》2008年第5期388-390,共3页Environmental Protection of Chemical Industry

摘　　要：研究了倒置 A^2/O 工艺中的氮平衡和脱氮效率,并对影响脱氮效率的回流比和碳氮质量比进行分析。根据广州某城市污水处理厂水质特点,设计总回流比为3.0,其中污泥回流比为1.0,混合液回流比为2.0,理论总氮去除率为78.75%,实际运行总氮去除率达64.42%。The nitrogen balance and nitrogen removal efficiency in the inversed A^2/O process were studied, and the factors affecting nitrogen removal efficiency, including recirculation ratio and carbonnitrogen ratio were analyzed. According to the water quality characteristics of a sewage treatment plant in Guangzhou, the designed total recirculation ratio is 3.0, sludge recycle ratio is 1.0, mixed-liquor recycle ratio is 2.0, theoretical removal rate of total nitrogen is 78.75%, and the removal rate of total nitrogen is 64.42% in the practical operation.

关 键 词：倒置厌氧-缺氧-好氧活性污泥工艺 氮平衡 脱氮 

分 类 号：X703.1[环境科学与工程—环境工程]