Abstract
Surface variations of the Al−Cu−Cr catalytst in H2S and CO oxidation in the process of cleaning of tail gases from sulfur production have been examined. XPS data indicate that the interaction of CuCr2O4 spinel with H2S and SO2 produces CuSO4 on the catalyst surface and sulfate poisoning is of a reversible character.
Abstract
Исследовано изменение поверхности Al−Cu−Cr катализатора при окислении H2S и CO в условиях дожигания отходящих газов установок производства серы. С помощью РФЭС установлено взаимодействие шпинели CuCr2O4 с H2S и SO2 с образованием CuSO4 на поверхности катализатора и показано, что сульфатное отравление имеет обратимый характер.
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References
T.K. Khanmamedov, A.M. Gulmaliev: Proc. 4th All-Union Conf. on Catalytic Reaction Mechanisms, part 2, Moskva 1986.
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Khanmamedov, T.K., Kalinkin, A.V., Kundo, N.N. et al. XPS studies of active surface of Al−Cu−Cr catalysts for oxidation of tail gases from sulfur production. React Kinet Catal Lett 37, 83–88 (1988). https://doi.org/10.1007/BF02061714
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DOI: https://doi.org/10.1007/BF02061714