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朱茂兰 (朱茂兰.) [1] | 衷水平 (衷水平.) [2] (Scholars:衷水平) | 黄中省 (黄中省.) [3] | 陈杭 (陈杭.) [4] | 陈晰 (陈晰.) [5] | 胡志彪 (胡志彪.) [6]

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Abstract:

某矿山选铜尾矿经浮选获得的高品位明矾石精矿富含Al、K和Ga等有价金属。为了实现明矾石中有价金属的综合回收,首先采用"焙烧-梯级浸出"工艺选择性浸出Al、K和Ga,再通过冷却结晶与蒸发结晶工艺梯级回收明矾与硫酸铝,最后采用中和法实现Ga富集。结果表明:明矾石精矿经焙烧一段酸浸后,Al、K的浸出率分别为80.31%和87.49%,Ga几乎不浸出;浸出渣经二段酸浸后,Al、Ga和K的浸出率分别为65.67%、86.17%和94.54%。一段酸浸液经冷却结晶后可获得食品级钾明矾纯度达99.65%,结晶后液经蒸发结晶可获得Al_2O_3含量为15.95%的一级硫酸铝产品;利用NaOH控制二段酸浸液的p...

Keyword:

Ga 明矾石 焙烧-酸浸 硫酸铝

Community:

  • [ 1 ] 龙岩学院化学与材料学院
  • [ 2 ] 福州大学紫金矿业学院
  • [ 3 ] 中南大学冶金与环境学院

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Source :

中国有色金属学报

ISSN: 1004-0609

CN: 43-1238/TG

Year: 2018

Issue: 10

Volume: 28

Page: 2136-2142

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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