Abstract
The selective oxidation of hydrogen sulfide in the presence of excess water and ammonia was investigated by using vanadium-bismuth based mixed oxide catalysts. Synergistic effect on catalytic activity was observed for the mechanical mixtures of V-Bi-O and Sb2O4. Temperature programmed oxidation (TPO), X-ray photoelectron spectroscopy (XPS), and two separated bed reactivity test results supported the role of Sb2O4 for reoxidizing the reduced V-Bi-O during the reaction.
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This paper is dedicated to Professor Hyun-Ku Rhee on the occasion of his retirement from Seoul National University.
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Kim, BK., Hwang, BH., Lee, HS. et al. Selective oxidation of H2S to ammonium thiosulfate and elemental sulfur using mixtures of V-Bi-O and Sb2O4 . Korean J. Chem. Eng. 21, 104–109 (2004). https://doi.org/10.1007/BF02705386
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DOI: https://doi.org/10.1007/BF02705386