Novick, Kim & Lee, PLLC
Electroplating waste water treatment method
An efficient combined advanced treatment method of electroplating wastewater is disclosed, which belongs to the technical field of electroplating wastewater treatment. The method includes: after pretreatments including cyanide breaking, dechromization and coagulating sedimentation, introducing the electroplating wastewater to a contact oxidation tank for biochemical treatment, and settling the effluent from the contact oxidation tank down in an inclined pipe of a secondary sedimentation tank to realize the separation of the sludge from water; charging the effluent to a coagulating sedimentation tank, and undergoing coagulating sedimentation with the aid of a flocculant and a coagulant aid added; feeding the effluent, as an influent, to a resin adsorption tank for adsorption with a magnetic resin; and after passing through a filter, flowing the effluent after adsorption to a fixed bed resin adsorption unit, so as to realize the discharge up to standard and recycle of the effluent.
NANJING UNIVERSITY NANJING UNIVERSITY YANCHENG ENVIRONMENTAL PROTECTION TECHNOLOGY AND ENGINEERING RESEARCH INSTITUTE
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Yan Jianjun Aimin Jinnan Weiwei Lichun Chendong Zhaoyang Fuqiang Qing
Li Dai Li Wang Zhao Fu Shuang Lu Liu Zhou