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Volume 26 Issue 1
Jan.  2019
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文章导航 >  矿物冶金与材料学报（英文）  > 2019  >  26(1): 11-20
Feray Kocan and Umran Hicsonmez, Leaching kinetics of celestite in nitric acid solutions, Int. J. Miner. Metall. Mater., 26(2019), No. 1, pp. 11-20. https://doi.org/10.1007/s12613-019-1705-0
Cite this article as:
Feray Kocan and Umran Hicsonmez, Leaching kinetics of celestite in nitric acid solutions, Int. J. Miner. Metall. Mater., 26(2019), No. 1, pp. 11-20. https://doi.org/10.1007/s12613-019-1705-0
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研究论文

Leaching kinetics of celestite in nitric acid solutions

  • Faculty of Arts and Sciences, Chemistry Department, Manisa Celal Bayar University, Manisa 45140, Turkey

  • 通讯作者:

    Feray Kocan    E-mail: feraykocan@hotmail.com

  • In this study, strontium nitrate extraction from celestite in nitric acid solutions was investigated using the leaching method. The influences of acid concentration, solid-to-liquid ratio, stirring speed, and reaction temperature on the leaching of strontium from celestite concentrate were studied. The results showed that the leaching rate increased with increasing acid concentration, stirring speed, and temperature and decreased with increasing solid-to-liquid ratio. The particle size was fixed in all of the dissolution experiments. The results showed that the stirring speed and the temperature were the most influential parameters with respect to the leaching process. The kinetic model best fit control by diffusion through the product layer. The activation energy of the dissolution celestite in nitric acid solutions was calculated to be 42.22 kJ/mol.
    • Research Article

    Leaching kinetics of celestite in nitric acid solutions

    + Author Affiliations
      Abstract
    • In this study, strontium nitrate extraction from celestite in nitric acid solutions was investigated using the leaching method. The influences of acid concentration, solid-to-liquid ratio, stirring speed, and reaction temperature on the leaching of strontium from celestite concentrate were studied. The results showed that the leaching rate increased with increasing acid concentration, stirring speed, and temperature and decreased with increasing solid-to-liquid ratio. The particle size was fixed in all of the dissolution experiments. The results showed that the stirring speed and the temperature were the most influential parameters with respect to the leaching process. The kinetic model best fit control by diffusion through the product layer. The activation energy of the dissolution celestite in nitric acid solutions was calculated to be 42.22 kJ/mol.
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