| 离子交换?浓缩蒸发联合法处理含铬电镀废水工程实践 |
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| 引用本文： | 唐星星. 离子交换?浓缩蒸发联合法处理含铬电镀废水工程实践[J]. 电镀与涂饰, 2020, 0(7): 436-439 |
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| 作者姓名： | 唐星星 |
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| 作者单位： | 浙江工贸职业技术学院材料工程系 |
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| 基金项目： | 温州市水体污染控制与治理科技创新项目(W20170021)。 |
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| 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。
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| 关 键 词： | 塑料电镀 粗化 铬 废水处理 离子交换 蒸发浓缩 |
Engineering practice on treatment of chromium-containing wastewater by combination of ion exchange and concentration evaporation |
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| TANG Xingxing. Engineering practice on treatment of chromium-containing wastewater by combination of ion exchange and concentration evaporation[J]. Electroplating & Finishing, 2020, 0(7): 436-439 |
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| Authors: | TANG Xingxing |
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| Affiliation: | (Department of Materials Engineering,Zhejiang Industry and Trade Vocational College,Wenzhou 325003,China) |
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| Abstract: | 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. |
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| Keywords: | plastic electroplating roughening chromium wastewater treatment ion exchange concentration evaporation |
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