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Catalytic methanation over nanoparticle heterostructure of Ru/Fe/Ce/γ-Al2O3 catalyst: Performance and characterisation

Author

Listed:
  • Asif Iqbal, Malik Muhammad
  • Toemen, Susilawati
  • Wan Abu bakar, Wan Azelee
  • Abdul Razak, Fazira Ilyana
  • Mat Rosid, Salmiah Jamal
  • Wan Azelee, Nur Izyan

Abstract

A novel trimetal-oxides (Ru/Fe/Ce) supported on γ-Al2O3 catalyst was synthesised by simple impregnation method and the activity was investigated at atmospheric pressure. The results showed that Ru/Fe/Ce (5:10:85)/γ-Al2O3 catalyst calcined at 1000 °C for 5 h was effective and gave a 97.20% of CO2 conversion at 275 °C with 93.5% of CH4 formation. The catalyst possesses medium-strength basic sites with the best reduction temperature of <200 °C. The mesoporous structure was covered with small, dispersed particles of spherical in shape. The catalyst is formed by nanoparticles below 10 nm with a surface area of 51 m2/g. The physicochemical analyses showed that the active sites of the potential catalyst Ru/Fe/Ce (5:10:85)/γ-Al2O3 are RuO2 (tetragonal), Fe2O3 (rhombohedral), γ-Al2O3 (cubic), and CeO2 (cubic), with a good distribution on the catalyst surface.

Suggested Citation

  • Asif Iqbal, Malik Muhammad & Toemen, Susilawati & Wan Abu bakar, Wan Azelee & Abdul Razak, Fazira Ilyana & Mat Rosid, Salmiah Jamal & Wan Azelee, Nur Izyan, 2020. "Catalytic methanation over nanoparticle heterostructure of Ru/Fe/Ce/γ-Al2O3 catalyst: Performance and characterisation," Renewable Energy, Elsevier, vol. 162(C), pages 513-524.
    • Handle: RePEc:eee:renene:v:162:y:2020:i:c:p:513-524
    DOI: 10.1016/j.renene.2020.06.093
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