镍黄铁矿和黄铜矿无捕收剂电位调控浮选分离  

Separation of Pentlandite and Chalcopyrite by Potential Adjustment and Collector-free Flotation

作　　者：陈勇[1,2] 宋永胜[1,2] 刘爽[1,2] 周成英[1,2] 

机构地区：[1]北京有色金属研究总院 [2]生物冶金国家工程实验室

出　　处：《金属矿山》2012年第2期86-88,98,共4页Metal Mine

摘　　要：为寻求镍黄铁矿和黄铜矿浮选分离的有效方法,通过单矿物试验研究了两种矿物在无捕收剂条件下的电位调控浮选行为。结果表明,将矿浆电位控制在合适的区间,只需添加起泡剂即可较好地实现两种矿物的浮选分离:pH为4.21时,合适的电位区间为-550～-750 mV或250～450 mV;pH为10.27时,合适的电位区间为-200～400 mV。In order to finding an effective way to separate pentlandite and chalcopyrite, the flotation behaviors of pentlandite and ehalcopyrite potential adjustment without collector have been investigated. Results demonstrate that pentlandite and chaleopyrite will effective sparated just by frother when the pulp potential eontroled in the suitable range pulp. When pulp pH is 4.21, the approptate separation potenial range of synchronous flotatation is -550 --750 mV or 250 - 450 mV, and when pulp pH is 10. 27, the approptate pulp potenial range of synchronous flotatation is -200 -400 inV.

关 键 词：镍黄铁矿 黄铜矿 电位调控 无捕收剂浮选 

分 类 号：TD923[矿业工程—选矿]