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A model for the intrinsic kinetic parameters of the direct reduction of MoS2 with hydrogen

  • Mohammad Mehdi Afsahi , Morteza Sohrabi and Habib Ale Ebrahim
Published/Copyright: June 11, 2013
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 99 Issue 9

Abstract

This study was carried out in order to obtain intrinsic kinetic parameters for the reaction between molybdenum disulfide and hydrogen. The experiments were performed using thermogravimetry within the temperature range of 1073 – 1223 K and at atmospheric pressure. The reaction was conducted by applying thin pellets and the data obtained were analyzed using a nucleation and growth kinetic model. The reaction was first order with respect to the gas phase reactant. The activation energy for the reduction process was determined to be 135.4 kJ mol− 1.

Keywords: Gas – solid reactions; Intrinsic kinetic; MoS2 reduction; Hydrogen
* Correspondence address, Professor M. Sohrabi Amirkabir University of Technology, Chemical Engineering Department Teheran, Iran Tel.: +98 21 66499066 Fax: +98 21 66405847 E-mail:

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Received: 2007-7-11
Accepted: 2008-5-14
Published Online: 2013-06-11
Published in Print: 2008-09-01

© 2008, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.101721
Keywords for this article
Gas – solid reactions; Intrinsic kinetic; MoS2 reduction; Hydrogen

Articles in the same Issue

  1. Contents
  2. Contents
  3. Basic
  4. Critical temperature for massive transformation in ultra-low-carbon Fe–C alloys
  5. Are data correctly fitted by the sin2 ψ and similar methods?
  6. Liquidus surface projection of the Fe–Co–C ternary system in the iron-rich corner
  7. Prediction of thermodynamic activities in binary iron-based alloys using two-point Padé approximants
  8. Study of fatigue dislocation structures in [233] coplanar double-slip-oriented copper single crystals using SEM electronic channelling contrast
  9. Microstructures at high temperature of Fe-30 wt.% Cr-xC Alloys with x varying from 0 to 2 wt.%
  10. The effect of cooling rate on the microstructure and mechanical properties of Mg–Zn–Gd-based alloys
  11. The effect of thermal exposure on the microstructure and hardness of as-cast Mg–Zn–Al alloys with Sn addition
  12. Applied
  13. Deformation and fracture of Ti-base nanostructured composite
  14. Microstructure and some properties of FeCr25Co15 alloy subjected to plastic deformation by complex load
  15. Determination of the concentration dependent diffusion coefficient of nitrogen in expanded austenite
  16. Suitability of maraging steel weld cladding for repair of die casting tooling
  17. Catalytic performance of Fe-, Pd-, and Pd–Fe- mordenites in simulated hydrocarbon-selective catalytic reduction of N2O by methane in a model flue-gas from nitric acid plants
  18. Thermodynamic consideration and experimental study on the preparation of heat-treated hollow nickel fibres
  19. A model for the intrinsic kinetic parameters of the direct reduction of MoS2 with hydrogen
  20. Notification
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