多种物化生化组合工艺处理印染电镀混合废水  

Treatment for Printing and Dyeing-Electroplating Mixed Wastewater by a Variety of Physicochemical and Biochemical Combined Processes

作　　者：计建洪[1] 庄惠生[2] JI Jianhong;ZHUANG Huisheng(Department of Environment and Materials Engineering,Jiangyin Polytechnic College,Jiangyin 214433,China;School of Environmental Science and Engineering,Shanghai Jiaotong University,Shanghai 200240,China)

机构地区：[1]江阴职业技术学院环境与材料工程系,江苏江阴214433 [2]上海交通大学环境科学与工程学院,上海200240

出　　处：《电镀与精饰》2021年第10期51-54,共4页Plating & Finishing

基　　金：江苏省现代职业教育提升计划项目(2020-TSZY-B-H-02)。

摘　　要：通过“混凝+预处理曝气+预处理沉淀+A^(2)/O生化法+物化”组合工艺对污水处理厂废水进行处理,对COD、TP、TN、NH3-N等测定数据进行分析,评价污水处理厂运行效果。结果表明:COD、TP、TN、NH_(3)^(-)N的平均去除率分别为97%、96%、70%、97%,出水各项指标的平均值分别为:COD浓度为46 mg/L、TP浓度为0.06 mg/L、TN浓度为8 mg/L、NH_(3)^(-)N浓度为0.6 mg/L,出水满足《城镇污水处理厂污染物排放标准》(GB 18918-2002)中的一级A标准要求,在进水浓度低于设计值的情况下,出水污染物浓度不易受进水量增加的影响。The combined process of"coagulation+pretreatment aeration+pretreatment sedimentation+A^(2)/O Biochemical Method+physicochemical"was used to treat wastewater from wastewater treatment plant.The determination data of COD,TP,TN and NH_(3)-N were analyzed to evaluate the operation effect of wastewater treatment plant.The results showed that the average removal rates of COD,TP,TN and NH_(3)-N were 97%,96%,70%and 97%,respectively.The average values of effluent indexes were as follows:COD concentration was 46 mg/L,TP concentration was 0.06 mg/L,TN concentration was 8 mg/L,and NH_(3)-N concentration was 0.6 mg/L.The effluent meets the requirements of class A standard in the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant(GB 18918-2002).When the influent concentration was lower than the design value,the effluent pollutant concentration was not easily affected by the increase of inflow.

关 键 词：印染废水 电镀废水 混合废水 组合工艺 

分 类 号：X788[环境科学与工程—环境工程]