TY - JOUR
T1 - Hydrogen production from biomass feedstocks
AU - Roh, Hyun Seog
AU - King, David L.
AU - Wang, Yong
N1 - Copyright:
Copyright 2004 Elsevier B.V., All rights reserved.
PY - 2004/9
Y1 - 2004/9
N2 - Hydrogen attracts significant research interests because it is a clean fuel emitting only water without formation of greenhouse gases. For H2 production as a fuel in molten carbonate fuel cell, ethanol steam reforming was studied at 600°-700°C. Ethanol steam reforming followed either dehydration to form ethylene or dehydrogenation to form CH3CHO resulting in decarbonylation to form methane pathways. Acidic supports favored the ethylene formation over methane formation. Ethanol conversion was relatively independent on Rh loading while methane selectivity increased with Rh loading. Non acidic supports favored methane formation. Addition of Pt to Rh based catalysts increased both the formation of methane and CO2 via water gas shift reaction. The micro-channel reactor outperformed the microtubular reactor in terms of hydrogen productivity under identical reaction conditions over 3%Rh3%Pt/CeO2-ZrO2 catalyst due to the reduced heat transfer distance, which is beneficial to the endothermic ethanol steam reforming.
AB - Hydrogen attracts significant research interests because it is a clean fuel emitting only water without formation of greenhouse gases. For H2 production as a fuel in molten carbonate fuel cell, ethanol steam reforming was studied at 600°-700°C. Ethanol steam reforming followed either dehydration to form ethylene or dehydrogenation to form CH3CHO resulting in decarbonylation to form methane pathways. Acidic supports favored the ethylene formation over methane formation. Ethanol conversion was relatively independent on Rh loading while methane selectivity increased with Rh loading. Non acidic supports favored methane formation. Addition of Pt to Rh based catalysts increased both the formation of methane and CO2 via water gas shift reaction. The micro-channel reactor outperformed the microtubular reactor in terms of hydrogen productivity under identical reaction conditions over 3%Rh3%Pt/CeO2-ZrO2 catalyst due to the reduced heat transfer distance, which is beneficial to the endothermic ethanol steam reforming.
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M3 - Conference article
AN - SCOPUS:4544334700
VL - 49
SP - 912
EP - 913
JO - ACS Division of Fuel Chemistry, Preprints
JF - ACS Division of Fuel Chemistry, Preprints
SN - 0569-3772
IS - 2
ER -