改良型氧化沟工艺处理县城废水的工程实例  

Engineering Project of County Wastewater Treatment by Improved Oxidation Ditch Process

作　　者：邹龙生 牛耀岚 唐婧 谢建彪 胡伟 ZOU Longsheng;NIU Yaolan;TANG Jing;XIE Jianbiao;HU Wei(Guilin University of Aerospace Technology,Guilin 541004,China;Guangzhou Anzhou Changyu Environmental Protection Technology Co.,LTD,Guangzhou 511430,China)

机构地区：[1]桂林航天工业学院,广西桂林541004 [2]广州市安舟昌宇环保科技有限公司,广东广州511430

出　　处：《水处理技术》2020年第4期128-132,共5页Technology of Water Treatment

基　　金：广西自然科学基金(2018JJA160070);桂林航天工业学院博士启动基金;桂林市科技局重大专项(20180106-1)。

摘　　要：介绍了广西某县城市政废水治理的工艺及效果。根据市政废水的来源和流量,以及现有技术的可行性分析,选择改良型氧化沟工艺。分析了改良型氧化沟工艺的工作原理、部分构筑物及参数,待系统运行稳定后检测出水口的废水质量。结果表明,COD、NH4^+-N和TP的最高去除率分别达到84.61%、87.36%和90.07%,出水指标能满足GB18918-2002一级A标准,废水处理费用0.81元/m^3。The process and effect of municipal wastewater treatment in a county of Guangxi was introduced.According to the source and flow of municipal wastewater and the feasibility analysis of existing technology,the improved oxidation ditch process was selected.The working principle,some structures and parameters of the improved oxidation ditch process were analyzed.After the system was stable,the water quality of the outlet was detected.The actual operation results showed that the highest removal rates of COD,NH4^+-N and TP were 84.61%,87.36%and 90.07%,respectively.The effluent indexes could meet the first A standard of GB 18918-2002.The cost of wastewater treatment was 0.81 yuan/m^3.

关 键 词：改良型氧化沟 市政废水 COD NH4^+-N 水质 

分 类 号：X799.3[环境科学与工程—环境工程]