脱氮型污泥减量技术研究  

Study on Reduction Technique of Denitrification Sludge

作　　者：金虎[1] 刘虹[1] 

机构地区：[1]吉林化工学院资源与环境工程学院,吉林吉林132022

出　　处：《中国给水排水》2015年第7期97-99,共3页China Water & Wastewater

摘　　要：为减少缺氧—好氧活性污泥法脱氮工艺中剩余污泥的产生量,采用流化填料组成缺氧—好氧—全氧化系统,对其脱氮型污泥减量效果进行了试验研究。结果表明:缺氧—好氧—全氧化系统的平均污泥减量率为65%、对总氮的平均去除率为62%,此外系统对TOC也有较好的去除效果。显微镜观察发现,投加填料后缺氧池和好氧池中形成了"细菌—原生动物—后生动物"的较长食物链,有利于污泥减量,可见该工艺同时具有良好的脱氮和污泥减量效果。The anoxic-aerobic-full oxidation system using fluidized filling was used to reduce the yield of residual sludge in the anoxic-aerobic denitrification activated sludge process. The reduction effect of denitrification sludge was studied in the pilot test. The results showed that the average sludge reduction rate was 65% , the removal rate of total nitrogen reached 62% , and the TOC was also removed effectively. In addition, the longer food chain of bacteria, protozoa and metazoan was developed both in the anoxic and aerobic reactors, which was advantageous for the sludge reduction. This proved that this process had good performance on denitrification and sludge reduction.

关 键 词：流化填料 脱氮 污泥减量 

分 类 号：X703[环境科学与工程—环境工程]