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Interaction of SO2 with O2 over mixed Pt, Pd, Pt−Pd and Pt−Ru oxidation catalysts and combined treatment of automobile exhaust gases

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Abstract

TPD, XPS IR methods were used to study how the composition of mixed Pt and Pd contacts over Al2O3 affects the nature of SO2 complexes formed in the presence of O2. Two types of sulfates of different structure and binding strength are formed in SO2 oxidation by oxygen over Pt and Pd contacts. Introducing elements such as Co and Cr into the composition, one can significantly reduce the formation of weakly binding sulfate-1 as well as sulfate-2 too.

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References

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Authors and Affiliations

  1. Institute of Organic Catalysis and Electrochemistry, National Academy of Sciences, Almaty, Republic of Kazakhstan

    N. M. Popova, A. K. Umbetkaliev, K. Dosumov & N. A. Antonova

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  1. N. M. Popova
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  2. A. K. Umbetkaliev
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  3. K. Dosumov
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  4. N. A. Antonova
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Popova, N.M., Umbetkaliev, A.K., Dosumov, K. et al. Interaction of SO2 with O2 over mixed Pt, Pd, Pt−Pd and Pt−Ru oxidation catalysts and combined treatment of automobile exhaust gases. React Kinet Catal Lett 57, 255–262 (1996). https://doi.org/10.1007/BF02064740

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  • DOI: https://doi.org/10.1007/BF02064740

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