Beneficiation Research of a Zn-Fe Polymetallic Ore Containing Indium
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摘要: 为了综合回收利用某锌铁矿中的锌、铁、银、铟,采用“浮选—磁选”联合工艺流程对该矿石进行选别。在磨矿细度-74μm 70%的条件下,获得Zn品位50.71%、Zn回收率90.12%的锌精矿和TFe品位65.24%、TFe回收率86.35%,mFe品位64.07%、mFe回收率95.98%的铁精矿。银和铟在锌精矿中富集, Ag回收率76.56%、In回收率77.50%。选矿试验取得较理想分选效果。Abstract: In order to recover the zinc,iron,silver and indium in a Zn-Fe polymetallic ore,a com-bined process of“flotation-magnetic separation” was used. After grinding, 74μm in the minerals should be over 70%. A Zn concentrate of 50 . 71% Zn with a recovery of 90 . 12%, and a Fe con-centrate of 65 . 24% TFe with a recovery of 86 . 35% which contained 64 . 07% mFe with a recovery of 95. 98% were obtained. The silver and indium were concentrated in the Zn concentrates,and the recovery of Ag was 76 . 56% while the recovery of In was 77 . 50%. The experiment obtained ideal indexes of separation.
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