A^(2)O+高效沉淀工艺在应急污水处理厂中的应用分析  

Application Analysis of A~2O+ High Efficiency Precipitation Process in Emergency Wastewater Treatment Plant

作　　者：李桂姣 岳崇峰 章艳辉 LI Guijiao;YUE Chongfeng;ZHANG Yanhui(China Municipal Engineering Northwest Design and Research Institute Co.,Ltd.,Chengdu Branch,Chengdu 610030,China;China Power Construction Chengdu Survey and Design Institute,Chengdu 610031,China;Chengdu Eastern New Area Management Committee Park Urban Construction Bureau,Chengdu 641400,China)

机构地区：[1]中国市政工程西北设计研究院有限公司成都分院,成都610030 [2]中国电建成都勘测设计研究院,成都610031 [3]成都东部新区管委会公园城市建设局,成都641400

出　　处：《中国资源综合利用》2025年第2期260-262,共3页China Resources Comprehensive Utilization

摘　　要：四川省成都市新津工业园区污水处理厂进水成分复杂、寻常工艺难以满足要求。处理工艺为粗细格栅+改良厌氧-缺氧-好氧(Anaerobic-Anoxic-Oxic,A^(2)O)+高效沉淀+紫外消毒,出水达到四川省地标岷江、沱江排放标准的要求。A^(2)O+高效沉淀为主体工艺对化学需氧量(Chemical Oxygen Demand,COD_(Cr))、氨氮(NH_(3)-N)、总磷(Total Phosphorus,TP)的平均去除率为87.13%、95.63%、92.5%,运行费用低。结果表明,碳氮比8∶1时可缩短调试时间,能够提高脱氮以及污染物去除效率,便于长期运行维护。The inflow composition of the sewage treatment plant in Xinjin Industrial Park,Chengdu City,Sichuan Province is complex,and ordinary processes are difficult to meet the requirements.The treatment process consists of coarse and fine grids,improved Anaerobic-Anoxic-Oxic (A^(2)O),efficient sedimentation,and ultraviolet disinfection.The effluent meets the discharge standards of the landmark Minjiang and Tuojiang rivers in Sichuan Province.The A^(2)O+high-efficiency precipitation process has an average removal rate of 87.13%,95.63%,and 92.5% for Chemical Oxygen Demand (COD_(Cr)),ammonia nitrogen (NH_(3)-N),and Total Phosphorus (TP),respectively,with low operating costs.The results indicate that a carbon to nitrogen ratio of 8:1 can shorten the debugging time,improve denitrification and pollutant removal efficiency,and facilitate long-term operation and maintenance.

关 键 词：工业园区污水 厌氧-缺氧-好氧(A^(2)O)工艺 高密度沉淀池 

分 类 号：X703[环境科学与工程—环境工程]