Possibility of Improving Parameters of the Sulfuric Acid Leaching of Reduced Ferriferrous Laterite Ores with Selective Nickel and Cobalt Recovery

被引：0
|
作者：
Zablotskaya, Yu. V. [1 ]
Sadykhov, G. B. [1 ]
Anisonyan, K. G. [1 ]
Smirnova, V. B. [1 ]
Tuzhilin, A. S. [1 ]
机构：
[1] Russian Acad Sci, Baikov Inst Met & Mat Sci, Moscow 119334, Russia
来源：
RUSSIAN METALLURGY | 2023年 / 2023卷 / 12期
关键词：
oxidized nickel ores; Buruktal deposit; sulfuric acid leaching; nickel and cobalt recovery;
D O I：
10.1134/S0036029523120364
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The recovery of nickel and cobalt from the ferriferrous laterite ores of the Buruktal deposit via a hydrometallurgical processing scheme for the reduced ferriferrous oxidized nickel (limonite) ore with weak sulfuric acid solutions is studied. An ammonia reagent (NH4)(2)SO4, which forms Ni and Co complexes, is used to enhance the leaching selectivity. The possibility of decreasing the consumption of H2SO4 and intensifying nickel and cobalt recovery at increased pH of the solution (pH 3.0-5.0) and recycling of sulfuric acid solutions is studied.
引用
收藏
页码：1759 / 1764
页数：6
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