Direct Catalytic Reduction of SO2 by CH4 over Fe-Mn Catalysts Prepared by Granulation of Ferromanganese Nodules

N. K. Shikina; S. R. Khairulin; S. A. Yashnik; T. N. Teryaeva; Z. R. Ismagilov

doi:10.18321/ectj203

Authors

N. K. Shikina Boreskov Institute of Catalysis, pr. Akad. Lavrentieva, 5, Novosibirsk, 630090, Russia
S. R. Khairulin Boreskov Institute of Catalysis, pr. Akad. Lavrentieva, 5, Novosibirsk, 630090, Russia
S. A. Yashnik Boreskov Institute of Catalysis, pr. Akad. Lavrentieva, 5, Novosibirsk, 630090, Russia
T. N. Teryaeva F.T. Gorbachev Kuzbass State Technical University, Kemerovo, 650000, Russia
Z. R. Ismagilov Boreskov Institute of Catalysis, pr. Akad. Lavrentieva, 5, Novosibirsk, 630090, Russia

DOI:

https://doi.org/10.18321/ectj203

Abstract

The chemical, textural, structural and strength properties of ferromanganese nodules and granulated Fe-Mn catalysts containing such nodules were studied. It was found that the granulated catalysts have a developed pore structure, which is close to that of the starting material, and surpass the starting material in strength parameters. The catalysts were tested in desulfurization by methane at a stoichiometric ratio SO₂/CH₄ = 2. The testing showed that Fe-Mn catalysts with the oxide or sulfide form of active components are active in desulfurization by methane and can selectively reduce SO₂ with a conversion above 80%.

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