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《Electroplating & Finishing》 2013-10
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Analysis on key factors of cleaner production for spent etching solution processing corporation

LEI Wei-xiang;WEN Yong;CHEN Lei;CHEN Si-li;DU Jian-wei;XIANG Yun;Guangzhou HuaKe Environmental Engineering Co.,Ltd.;  
Based on the cleaner production audit carried out in a spent etching solution processing corporation, the material balance data of production workshop before and after medium/high fee reconstruction project was tested. The key factors influencing the recovery efficiency of copper from spent etching solution were analyzed. The plateand-frame filter press and the crystallization reactor were determined as main reconstruction items. After achieving the equipment reconstruction, the copper recovery efficiency was increased from 82.60% to 94.95%, and the yield of copper sulfide sludge was decreased by 74%, thus obtaining good economic and environmental benefits.
【Fund】: 再生铜工业污染防治技术政策(2013年国家环境技术管理项目);; 广东省科技计划项目(2009B030802009)
【CateGory Index】: X703
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