中国粉体技术2012，Vol.18Issue(3)：66-68,3.DOI:10.3969/j.issn.1008-5548.2012.03.016
废旧印刷线路板粉碎及浮选分离
Crushing and Flotation of Waste Printed Circuit Boards
摘要
Abstract
The waste printed circuit boards were crushed with a micro crusher. The chemical composition, shape, dissociation conditions and the regularity of metal distribution of each particle size were researched. The flotation was conducted with a flotation machine. The results indicate that the metal content reduces with the smaller particle size, the metal and non-metal particles are totally separated while the size is smaller than 0.45 mm, and the best flotation size is 0.45-0.2 mm. The flotation concentrate grade is 89.85% (mass fraction), and the metal recovery reaches 96.24%. The metal recovery of particles smaller than 0.125 mm is lower in flotation. The concentration of particles smaller than 0.45 mm is good, the concentration grade is up to 87.32%(mass fraction), and the metal recovery is 90.11%.关键词
废线路板/粉碎/浮选/分离Key words
waste printed circuit boards/ crush/ flotation/ separation分类
矿业与冶金引用本文复制引用
苑仁财,李桂春,康华,王会平..废旧印刷线路板粉碎及浮选分离[J].中国粉体技术,2012,18(3):66-68,3.基金项目
黑龙江省研究生创新科研项目,编号:YJSCX2011-167HLJ （）
哈尔滨市科技局科技创新人才研究专项基金,编号:RC2010XK015005. （）
