Abstract
The effect of the calcination temperature on the properties of supported iron oxide catalysts for hydrogen sulfide oxidation prepared by impregnation of silica with iron(III) nitrate has been studied. An increase in the calcination temperature was found to diminish the catalytic activity of the Fe2O3/SiO2 catalysts in hydrogen sulfide oxidation. This behavior can be explained by the agglomeration of iron oxide particles and by a decrease in the surface concentration of active sites. It has been shown that an increase in the calcination temperature makes the catalyst more stable towards the sulfidation of the active component (Fe2O3) to the iron disulfide phase.
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Bukhtiyarova, G.A., Delii, I.V., Sakaeva, N.S. et al. Effect of the calcination temperature on the properties of Fe2O3/SiO2 catalysts for oxidation of hydrogen sulfide. React Kinet Catal Lett 92, 89–97 (2007). https://doi.org/10.1007/s11144-007-5177-2
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DOI: https://doi.org/10.1007/s11144-007-5177-2