典型汽车涂装废水处理工艺蔡莹,高亮(上海市机电设计研究院,上海市北京西路1287号,邮编200040)ShanghaiInstituteofMechanical&ElectricalEngineering摘要:本文针对汽车涂装废水中含有树脂、表面活性剂、重金属离子,Oil、颜料等污染物,特别是其中的电泳废水、喷漆废水成份复杂,浓度高,可生化性差的实际情况,采用分质处理、混凝沉淀、混凝气浮、砂滤等工艺对涂装废水进行处理,取得了良好效果:CODCr去除率大于80%
实际运行表明,该工艺在技术和经济上均是合理可行的
TreatmenttechnicsofrepresentativecoatingwastewaterofautomobilemanufacturingAbstract:Inthisarticle,inallusiontothecontaminationofcoatingwastewaterofautomobilemanufacturingwhichcontainsresin,surfaceactiveagent,heavymetalion,oil,paint,dyestuffetc,especiallytheELPOwastewaterandpaintingwastewaterwhichiscomplex,andhashighconcentration
weuseseparatedpre-treatment,coagulatingsedimentation,airflotationandsandfiltrationtotreatcoatingwastewaterandobtainsgoodresults:theremovalrateofCODCrcouldbehigherthan80%
Theoperateofthesetprovedthatunderthiscond