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Sulfuric Acid Leaching of Manganese from Ferromanganese Dust

황산에 의한 페로망간 집진분 중의 망간 침출

Park, Suji;Sohn, Ho-Sang
박수지;손호상

  • Received : 2015.09.04
  • Accepted : 2015.10.16
  • Published : 2015.12.30

Abstract

The sulfuric acid leaching of ferromanganese dust was studied. The effect of acid concentration, reaction temperature, stirring rate, particle size and solid to liquid ratio on Mn and Fe extraction in the solution were investigated. It was found that the leaching rate of Mn and Fe increased with increasing reaction temperature and sulfuric acid concentration. Examination of data by shrinking core model suggested that the leaching rate is controlled by chemical reaction at the surface of particle. The activation energy for the leaching reaction of Mn and Fe were calculated to be 79.55 kJ/mol and 77.48 kJ/mol, respectively.

Keywords

leaching;hydrometallurgy;kinetics;activation energy;chemical reaction

References

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Acknowledgement

Supported by : 환경부