Copper sulfate recovery using fluidized bed crystallization

被引：0
|
作者：
Schranz, MB [1 ]
Farrell, RJ [1 ]
机构：
[1] SWENSON Proc Equipment Inc, Harvey, IL 60426 USA
来源：
EPD CONGRESS 1997 | 1997年
关键词：
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Copper sulfate pentahydrate is recovered from the spent etchant waste stream of a printed circuit board manufacturing facility by cooling crystallization. The fluidized bed crystallizer contains submerged cooling surfaces which are bathed in a stream of air. The air bubbles provide agitation which improve heat transfer, reduce fouling and maintain crystals in suspension. The recently patented apparatus(US 5,523,064) has advantages when compared to a conventional surface cooled crystallizer including capital cost, ease of operation and production of larger more uniform crystals
引用
收藏
页码：461 / 471
页数：11
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