离子交换?浓缩蒸发联合法处理含铬电镀废水工程实践  

Engineering practice on treatment of chromium-containing wastewater by combination of ion exchange and concentration evaporation

作　　者：唐星星[1] TANG Xingxing(Department of Materials Engineering,Zhejiang Industry and Trade Vocational College,Wenzhou 325003,China)

机构地区：[1]浙江工贸职业技术学院材料工程系,浙江温州325003

出　　处：《电镀与涂饰》2020年第7期436-439,共4页Electroplating & Finishing

基　　金：温州市水体污染控制与治理科技创新项目(W20170021)。

摘　　要：某塑胶电镀企业粗化过程中产生大量含铬漂洗废水,总量约为25 t/d,主要污染物为六价铬。对原有漂洗及废水处理工艺进行改造,采用了离子交换?浓缩蒸发联合法进行处理,在较低的成本下实现了废水回用及铬酸酐回收,获得了较好的经济效益和社会效益。A large amount(about 25 t per day)of rinsing wastewater containing chromium(in hexavalent state mainly)was produced from the roughening process in a plastic electroplating plant.The original rinsing and wastewater treatment processes were reformed,and a process combining ion exchange and concentration evaporation was employed to treat the wastewater.The reuse of effluent and the reclamation of chromic anhydride were realized at a lower cost,achieving good economic and social benefits.

关 键 词：塑料电镀 粗化 铬 废水处理 离子交换 蒸发浓缩 

分 类 号：X703.1[环境科学与工程—环境工程]