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The Investigation of Active Sites on Nickel Oxide Based Catalysts towards the In-situ Reactions of Methanation and Desulfurization

Author

Listed:
  • Wan Azelee Abu Bakar
  • Mohd. Othman
  • Rusmidah Ali
  • Ching Yong
  • Susilawati Toemen

Abstract

Supported nickel oxide based catalysts of Fe/ Co/ Ni (10- 30- 60)-Al2O3 and Pr/ Co/ Ni (5- 35- 60)-Al2O3 that were prepared by wetness impregnation method showed potential catalysts for the in-situ reactions of H2S desulfurization and CO2 methanation from ambient temperature up to 300 oC. X-ray Photoelectron Spectroscopy revealed Ni2O3 and Fe3O4 as the surface active components on the Fe/ Co/ Ni (10- 30- 60)-Al2O3 catalyst, while Ni2O3 and Co3O4 on the Pr/ Co/ Ni (5- 35- 60)-Al2O3 catalyst. Energy Dispersive X-ray analysis indicated the presence of 2.7 % and 0.9 % of sulfur on the spent Fe/ Co/ Ni (10- 30- 60)-Al2O3 and Pr/ Co/ Ni (5- 35- 60)-Al2O3 catalysts, respectively. N2 adsorption-desorption analysis showed reduction of 5.5 % on the surface area of the spent Fe/ Co/ Ni (10- 30- 60)-Al2O3 catalyst. However, the surface area of the spent Pr/ Co/ Ni (5- 35- 60)-Al2O3 catalyst increased by 8.6 %.

Suggested Citation

  • Wan Azelee Abu Bakar & Mohd. Othman & Rusmidah Ali & Ching Yong & Susilawati Toemen, 2009. "The Investigation of Active Sites on Nickel Oxide Based Catalysts towards the In-situ Reactions of Methanation and Desulfurization," Modern Applied Science, Canadian Center of Science and Education, vol. 3(2), pages 1-35, February.
    • Handle: RePEc:ibn:masjnl:v:3:y:2009:i:2:p:35
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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