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Raney Ni-Sn Catalyst For H2 Production From Biomass-Derived Hydrocarbons, George W. Huber, J. W. Shabaker, J. A. Dumesic
Raney Ni-Sn Catalyst For H2 Production From Biomass-Derived Hydrocarbons, George W. Huber, J. W. Shabaker, J. A. Dumesic
George W. Huber
Hydrogen (H2) was produced by aqueous-phase reforming of biomass-derived oxygenated hydrocarbons at temperatures near 500 kelvin over a tin-promoted Raney-nickel catalyst. The performance of this non–precious metal catalyst compares favorably with that of platinum-based catalysts for production of hydrogen from ethylene glycol, glycerol, and sorbitol. The addition of tin to nickel decreases the rate of methane formation from C-O bond cleavage while maintaining the high rates of C-C bond cleavage required for hydrogen formation.
Aqueous-Phase Reforming Of Ethylene Glycol Over Supported Platinum Catalysts, George W. Huber, J W. Shabaker, R. R. Davda, R. D. Cortright, J. A. Dumesic
Aqueous-Phase Reforming Of Ethylene Glycol Over Supported Platinum Catalysts, George W. Huber, J W. Shabaker, R. R. Davda, R. D. Cortright, J. A. Dumesic
George W. Huber
Aqueous-phase reforming of 10 wt% ethylene glycol solutions was studied at temperatures of 483 and 498 K over Pt-black and Pt supported on TiO2, Al2O3, carbon, SiO2, SiO2-Al2O3, ZrO2, CeO2, and ZnO. High activity for the production of H2 by aqueous-phase reforming was observed over Pt-black and over Pt supported on TiO2, carbon, and Al2O3 (i.e., turnover frequencies near 8-15 min-1 at 498 K); moderate catalytic activity for the production of hydrogen is demonstrated by Pt supported on SiO2-Al2O3 and ZrO2 (turnover frequencies near 5 min-1); and lower catalytic activity is exhibited by Pt supported on CeO2, ZnO, and SiO2 …