Reaction Kinetics, Mechanisms and Catalysis

, Volume 124, Issue 2, pp 669–682 | Cite as

Selective catalytic reduction of SO2 with methane for recovery of elemental sulfur over nickel-alumina catalysts

  • Seyyed Ebrahim Mousavi
  • Hassan PahlavanzadehEmail author
  • Masoud Khani
  • Habib Ale Ebrahim
  • Abbas Mozaffari


In the current research, to form elemental sulfur, catalytic reduction of sulfur dioxide with methane over Ni–Al2O3 catalysts was studied. By adding nickel as a promoter, the performance of catalyst was enhanced considerably. It was found that Al2O3–Ni (10%) catalyst had the best performance among all the catalysts studied. The addition of more than 10% Ni had no beneficial effect. The reaction was tested at temperature range of 550–800 °C, at the atmospheric pressure, and it was observed that complete conversion and selectivity (more than 99.5%) was achieved by Al2O3–Ni(10%) catalyst at 750 °C. Between molar feed ratio of SO2/CH4 = 1–3, the highest conversion to elemental sulfur combined with low production of H2S and COS, as the undesirable side products, was obtained when molar ratio was equal to 2 (the stoichiometric ratio). Also, the best catalyst showed good long-term stability for SO2 reduction with methane.


Sulfur dioxide removal Nickel-alumina catalyst SO2 Reduction by CH4 Elemental sulfur recovery Catalyst reduction Nickel nanoparticles on alumina 


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  • Seyyed Ebrahim Mousavi
    • 1
  • Hassan Pahlavanzadeh
    • 1
    Email author
  • Masoud Khani
    • 2
  • Habib Ale Ebrahim
    • 2
  • Abbas Mozaffari
    • 3
  1. 1.Faculty of Chemical EngineeringTarbiat Modares UniversityTehranIran
  2. 2.Faculty of Chemical Engineering, Petrochemical Center of ExcellencyAmirkabir University of TechnologyTehranIran
  3. 3.Research and Development UnitSarcheshmeh Copper ComplexKermanIran

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