含锌铜硫矿石分选研究

STUDY ON SEPARATION OF Cu-S ORE CONTAINING SPHALERITE

对含锌铜硫矿石的分选回收进行了试验研究。采用一段粗磨丢尾、等可浮流程浮选铜锌硫、混合粗精矿精选后再磨、铜锌硫矿物顺序分离流程以及石灰+硫化钠+硫酸锌+亚硫酸(钠)分离组合抑制剂,能有效地分离铜锌硫矿物;获得了含铜31 85%、铜回收率91 40%的铜精矿,含锌52 89%、锌回收率74 87%的锌精矿和含硫41 64%、硫回收率82 37%的硫精矿。

Study on separation of Cu-S ore containing sphalerite was carried outCombined depressant,CaO+Na2S+ZnSO4+H2SO3/Na2SO3,was used in primary grinding followed by isoflotability flowsheet of Cu-Zn-S and Cu-Zn separationThe test results showed that the grades of Cu,Zn and S concentrates were 3185%Cu,5289% Zn and 4164% S and the recoveries were 91.40% Cu,74.87% Zn and 82.37% S respectively