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Volume 24 Issue 11
Nov.  2017
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文章导航 >  矿物冶金与材料学报（英文）  > 2017  >  24(11): 1211-1216
Jin-lin Yang, Ji-guang Liu, Han-xin Xiao,  and Shao-jian Ma, Sulfuric acid leaching of high iron-bearing zinc calcine, Int. J. Miner. Metall. Mater., 24(2017), No. 11, pp. 1211-1216. https://doi.org/10.1007/s12613-017-1513-3
Cite this article as:
Jin-lin Yang, Ji-guang Liu, Han-xin Xiao,  and Shao-jian Ma, Sulfuric acid leaching of high iron-bearing zinc calcine, Int. J. Miner. Metall. Mater., 24(2017), No. 11, pp. 1211-1216. https://doi.org/10.1007/s12613-017-1513-3
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研究论文

Sulfuric acid leaching of high iron-bearing zinc calcine

  • College of Resources, Environment and Materials, Guangxi University, Nanning 530004, China

  • Ministry-Province Jointly-Constructed Cultivation Base for State Key Laboratory of Processing for Non-ferrous Metal and Featured Materials, Guangxi Zhuang Autonomous Region, Guangxi University, anning 530004, China

  • 通讯作者:

    Shao-jian Ma    E-mail: 492300968@qq.com

  • Sulfuric acid leaching of high iron-bearing zinc calcine was investigated to assess the effects of sulfuric acid concentration, liquid-to-solid ratio, leaching time, leaching temperature, and the stirring speed on the leaching rates of zinc and iron. The results showed that the sulfuric acid concentration, liquid-to-solid ratio, leaching time, and leaching temperature strongly influenced the leaching of zinc and iron, whereas stirring speed had little influence. Zinc was mainly leached and the leaching rate of iron was low when the sulfuric acid concentration was less than 100 g/L. At sulfuric acid concentrations higher than 100 g/L, the leaching rate of iron increased quickly with increasing sulfuric acid concentration. This behavior is attributed to iron-bearing minerals such as zinc ferrite in zinc calcine dissolving at high temperatures and high sulfuric acid concentrations but not at low temperatures and low sulfuric acid concentrations.
    • Research Article

    Sulfuric acid leaching of high iron-bearing zinc calcine

    + Author Affiliations
      Abstract
    • Sulfuric acid leaching of high iron-bearing zinc calcine was investigated to assess the effects of sulfuric acid concentration, liquid-to-solid ratio, leaching time, leaching temperature, and the stirring speed on the leaching rates of zinc and iron. The results showed that the sulfuric acid concentration, liquid-to-solid ratio, leaching time, and leaching temperature strongly influenced the leaching of zinc and iron, whereas stirring speed had little influence. Zinc was mainly leached and the leaching rate of iron was low when the sulfuric acid concentration was less than 100 g/L. At sulfuric acid concentrations higher than 100 g/L, the leaching rate of iron increased quickly with increasing sulfuric acid concentration. This behavior is attributed to iron-bearing minerals such as zinc ferrite in zinc calcine dissolving at high temperatures and high sulfuric acid concentrations but not at low temperatures and low sulfuric acid concentrations.
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