浅议印制电路板蚀刻废液实用再生技术  

Discussion on practical regeneration technologies of spent etchant for printed circuit board

作　　者：蒋玉思[1] 张建华[1] 程华月[1] 黄奇书[1] 

机构地区：[1]广东省工业技术研究院(广州有色金属研究院),广东广州510651

出　　处：《印制电路信息》2012年第2期42-43,48,共3页Printed Circuit Information

基　　金：广东省科技计划项目(2007B080203003)

摘　　要：目前印制电路板蚀刻废液的再生及循环利用,已受到工业界的广泛关注。简要介绍、分析了两种蚀刻废液实用的再生技术。酸性蚀刻废液膜电解技术可同时实现酸性蚀刻废液再生和铜回收,节约大量的氧化剂和盐酸;碱性蚀刻废液萃取-电积技术再生的同时,也可以回收铜。蚀刻废液再生可实现资源最高效的循环利用,预计具有较广阔的应用前景。The regeneration and recycle of spent etchant for printed circuit board have attracted much attention in the industrial sector.In the paper,two kinds of practical regeneration technologies were introduced and analyzed.Membrane electrolysis not only regenerates acidic spent etchant,but also recovers copper,so it saves plenty of oxidant and hydrochloride.Extraction-electrowinning can regenerates basic spent etchant and recovers copper.Spent etchant regeneration may make resources best recycle,so it is expected that regeneration will be greatly developed.

关 键 词：印制电路板 蚀刻废液 再生 萃取 电解 

分 类 号：TN41[电子电信—微电子学与固体电子学] TQ171.418[化学工程—玻璃工业]