RESEARCH OF KINETICS OF ZINC LEACHING WITH SULFURIC ACID FROM SMITHSONITE

被引：0
|
作者：
Ramazanova, R. A. [1 ]
Mamyachenkov, S., V [2 ]
Seraya, N., V [1 ]
Daumova, G. K. [1 ]
Aubakirova, R. A. [3 ]
Bagasharova, Zh T. [4 ]
机构：
[1] D Serikbayev East Kazakhstan Tech Univ, Ust Kamenogorsk, Kazakhstan
[2] Ural Fed Univ, Ekaterinburg, Russia
[3] S Amanzholov East Kazakhstan Univ, Ust Kamenogorsk, Kazakhstan
[4] Al Farabi Kazakh Natl Univ, Alma Ata, Kazakhstan
来源：
METALURGIJA | 2021年 / 60卷 / 3-4期
关键词：
zinc sulfate; smithsonite; sulfuric acid; leaching; activation energy; ORE;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The study investigates the kinetics of zinc leaching from smithsonite with sulfuric acid in order to expand the zinc production feedstocks. The recovery rate of zinc from smithsonite into water-soluble zinc sulfate was found at different leaching time and temperature. Sulfuric acid concentration, its consumption and smithsonite particles size selected in this work for leaching of zinc from this mineral using the indicated solution allowed to determine the magnitude of "apparent" activation energy of the smithsonite reaction with the indicated acid, equal to 2,633 kJ / mol. The calculated value of E, shows that the process investigated is accompanied by diffusion phenomena.
引用
收藏
页码：407 / 410
页数：4
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