Catalytic decomposition of hydrogen sulfide into hydrogen and sulfur

FUEL 156

Abolghasem Shamsi, Ashams@netl.doe.gov, U.S. Department of Energy, DOE, National Energy Technology Laboratory, 3610 Collins Ferry Road, Morgantown, WV 26505-0880
Decomposition of hydrogen sulfide has been studied over several supported metal oxides and metal oxide catalysts in a temperature range of 650-850°C. H2S conversions and effective activation energies have been reported. Catalysts, before and after reactions with H2S, have been characterized using temperature-programmed oxidation and reduction, XRD, XPS, and SEM. Results indicate that the catalysts have significant effects on lowering temperatures needed for reasonable conversion compared to equilibrium conversion in the gas phase.