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Author:
Journal / Book Title:
Year:
Volume:
Issue:
liu hua qian jing kuang de lv hua tie jin chu
Author(s):
CHANG Qianfa
Pages:
14
-
17
Year:
1997
Issue:
4
Journal:
Express Information of Mining Industry
Keyword:
连续浸出
;
铁离子浓度
;
三价铁离子
;
方铅矿
;
铅精矿
;
氯化铁溶液
;
硫化物精矿
;
氯化钠
;
试验测定
;
最佳条件
;
Abstract:
一种主要含有方铅矿并带有相当含量的锌、铜和银的多金属硫化物精矿,在轻度氧化条件下通过含有氯化钠的氯化铁溶液对其进行浸出。试验研究了温度、三价铁离子浓度(以Fecl
3
形式)以及氯化钠的添加量对铅、银、锌和铜浸出效率的影响。经试验测定,铅浸出的最佳条件是温度70℃、溶液中含有43g/l三价铁离子和200g/l的Nacl。经过9分钟时间的浸出,浸取出了99.80%Pb、75.O%Ag、12.1%Zn及1%Cu。
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