NDLI: Selective Catalytic Oxidation of $Lean-H_{2}$S Gas Stream to Elemental Sulfur at Lower Temperature

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Selective Catalytic Oxidation of $Lean-H_{2}$S Gas Stream to Elemental Sulfur at Lower Temperature

Content Provider	MDPI
Author	Barba, Daniela Vaiano, Vincenzo Palma, Vincenzo
Copyright Year	2021
Description	Ceria-supported vanadium catalysts were studied for $H_{2}$S removal via partial and selective oxidation reactions at low temperature. The catalysts were characterized by $N_{2}$ adsorption at 77 K, Raman spectroscopy, X-ray diffraction techniques, and X-ray fluorescence analysis. X-ray diffraction and Raman analysis showed a good dispersion of the V-species on the support. A preliminary screening of these samples was performed at fixed temperature (T = 327 °C) and $H_{2}$S inlet concentration (10 vol%) in order to study the catalytic performance in terms of $H_{2}$S conversion and $SO_{2}$ selectivity. For the catalyst that exhibited the higher removal efficiency of $H_{2}$S (92%) together with a lower $SO_{2}$ selectivity (4%), the influence of temperature (307–370 °C), contact time (0.6–1 s), and $H_{2}$S inlet concentration (6–15 vol%) was investigated.
Starting Page	746
e-ISSN	20734344
DOI	10.3390/catal11060746
Journal	Catalysts
Issue Number	6
Volume Number	11
Language	English
Publisher	MDPI
Publisher Date	2021-06-18
Access Restriction	Open
Subject Keyword	Catalysts Water Science and Technology Hydrogen Sulfide H2s Selective Partial Oxidation Sulfur Sulfur Dioxide Vanadium-based Catalysts
Content Type	Text
Resource Type	Article

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