某印染工业污水处理厂工艺路线及设计实例  

Process Route and Design Case of a Printing and Dyeing Industrial WWTP

作　　者：戴栋超 DAI Dongchao(Shanghai Urban Construction Design&Research InstituteCo.,Ltd.,Shanghai 200125,China)

机构地区：[1]上海市城市建设设计研究总院<集团>有限公司,上海200125

出　　处：《净水技术》2023年第11期136-141,共6页Water Purification Technology

摘　　要：嘉兴某印染工业污水处理厂设计规模为5.0×10^(4)m^(3)/d,采用半地下建设型式,进水印染废水比例高达92%,废水组成成分复杂,难降解有机物浓度高,要求出水水质达到《城镇污水处理厂污染物排放标准》(GB 18918—2002)中一级A排放标准。针对进水水质特点,设计采用二级生化和物化组合处理工艺,通过中试试验确定适用的处理单元及设计参数并进行工程设计,比选分析后采用“预处理+调节池+初沉池+厌氧-缺氧-好氧-缺氧-膜生物反应器(AAOA-MBR)生化池+改良型芬顿+高效沉淀池+滤布滤池”的污水处理工艺路线。文中详细介绍了主要构筑物设计参数,对工程投资及运行成本进行了分析,可为同类型工业污水处理厂建设提供工程设计指导。The design scale of a printing and dyeing industrial wastewater treatment plant(WWTP)in Jiaxing is 5.0×10^(4)m^(3)/d,using a semi-underground construction type,the proportion of influent printing and dyeing wastewater is as high as 92%.The composition of the wastewater is complex,and the concentration of difficult to degrade organic matter is high.The effluent quality is required to meet the first class A discharge standard of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant(GB 18918—2002).Based on the characteristics of influent water quality,a two-stage biochemical and physicochemical combination treatment process is designed.Suitable treatment units and design parameters are determined through pilot tests and engineering design is carried out.After comparison and analysis,a wastewater treatment process route of"pre-treatment+regulating tank+initial sedimentation tank+AAOA-MBR+improved Fenton+high-efficiency sedimentation tank+cloth media filter"is adopted.The article provides a detailed introduction to the main structural design parameters,analyzes the engineering investment and operating costs,and provides engineering design guidance for the construction of similar industrial WWTPs.

关 键 词：印染废水 半地下式 中试 膜生物反应器(MBR) 改良型芬顿 

分 类 号：TU992[建筑科学—市政工程]