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Vol 202
Pages:
242
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Modeling of the oxidation of sulfide ores with the aid of a cascade of continuous stirred-tank reactors

Authors:
Yu. V. Sharikov1
N. A. Karastelev2
About authors
  • 1 — National Mineral Resources University (Mining University)
  • 2 — National Mineral Resources University (Mining University)
Date submitted:
2012-09-13
Date accepted:
2012-11-18
Date published:
2013-03-01

Abstract

The method of recovery the refractory sulfide ores with the aid of pressure oxidation was examined. The basic processes of oxidation was discovered and the mathematical description of  the process of sulfide oxidation in a heterogeneous system, the  liquid – solid, was suggested. The ReactOp allowed to solve inverse   problem – determination of kinetic parameters (E = 112 kJ/mol, ln(K) = 20 m/s) from the experimental data. On the basis of defined parameters is made and investigated the cascade of continuous stirred-tank reactors.

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References

  1. Шариков Ю.В. Моделирование систем. Методы численной реализации математических моделей / Ю.В.Шариков, И.Н.Белоглазов. СПб, 2012.
  2. Papangelakis V.G., Demopoulos G.P. On the attainment of stable autothermal operation in continuous pres- sure leaching reactors // Department of Chemical Engineering and Applied Chemistry, December 12, 1991.
  3. Papangelakis V.G., Demopoulos G.P. Acid pressure oxidation of pyrite: reaction kinetics // Department of Chemical Engineering and Applied Chemistry, December 3, 1990.
  4. Levenspiel O. Chemical reaction engineering // Department of Chemical Engineering Oregon State University. 1999.

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