溶解氧对一体化膜泥法OCO工艺脱氮削碳的影响  

Influence of Dissolved Oxygen on Nitrogen and Carbon Removal by Integral OCO Process with Biofilm and Activated Sludge

作　　者：殷旭东[1,2] 李德豪[1,3] 高桂枝[2] 凌洪吉[1,2] 

机构地区：[1]茂名学院,广东茂名525000 [2]南京信息工程大学,江苏南京210044 [3]华东理工大学,上海200237

出　　处：《环境科学与技术》2009年第10期145-148,共4页Environmental Science & Technology

基　　金：广东省自然科学基金项目(8152500002000012);广东省科技计划项目(2002C32106);广东省教育厅自然科学研究项目(2001-0167)

摘　　要：以人工模拟生活污水为处理对象,研究了在不同好氧区溶解氧浓度对一体化膜泥法OCO反应器脱氮削碳的影响。结果表明:在进水COD均值为300mg/L,进水流量为20L/h时,缺氧区与混合区的DO随好氧区的DO而变;在DO为2mg/L左右时,具有较理想的脱氮削碳效果,出水氨氮、总氮和COD分别为0.5mg/L、8mg/L和12mg/L去除率分别达到99%、80%和96%;结合化学除磷,TP的去除率可达91%以上。Influence of different DO on nitrogen and COD removal in the oxic zone by integral OCO process with biofilm and activated sludge were studied, with manual simulated domestic sewage as treatment media. Results showed that DO in anoxic zone and mixture zone varied with DO in oxic zone when the influent COD was about 300mg/L and influent flow rate was 20L/h. Removal efficiency of TN and COD was very satisfactory, with effluent ammonia nitrogen, TN and COD was 0.5 mg/L, 8 mg/L and 12mg/L respectively as well as removal efficiency was 99%, 80% and96% respectively when DO was about 2mg/L. TP removal efficiency was above 91% combined with chemical method.

关 键 词：一体化OCO DO 脱氮除磷 

分 类 号：X703[环境科学与工程—环境工程]