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Biological Water-Gas Shift Conversion of Carbon Monoxide to Hydrogen; Milestone Completion Report; Wade A. Amos; National Renewable Energy Laboratory; 1617 Cole Boulevard; Golden, Colorado 80401-3393; NREL is a U.S. Department of Energy LaboratoryOperated by Midwest Research Institute • Battelle;
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www.nrel.gov/docs/fy04osti/35592.pdf
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This CO is converted to additional hydrogen by the water-gas shift (WGS) reaction: CO + H2O _ CO2 + H2; The WGS reaction proceeds at either high temperature shift (HTS), (350-450° C), or low temperature shift (LTS), (160-250° C). Conventional HTS catalysts are inactive below;
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www.eere.energy.gov/vehiclesandfuels/pdfs/success/water...
www.eere.energy.gov/vehiclesandfuels/pdfs/success/water_gas3_29_01c.pdf
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Keywords: Water gas shift reaction; Platinum; Gold; Ceria; Ferric oxide 1. Introduction Polymer electrolyte fuel cells (PEFC) are attractive for use in transportation applications. H2 produced from on board steam reforming of gasoline and diesel fuel is the most logical means powering the PEFCs.
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www.engin.umich.edu/dept/che/research/gulari/21.pdf
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The reverse water- gas shift reaction, rWGSR, is the focus of this inve stigation. The Reverse Water-Gas Shift Reaction Several investigations of the high temperature (>1148 K), low pressure ( < 0.101 MPa), homogeneous, uncatalyzed rWGSR have been conducted.
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www.netl.doe.gov/technologies/hydrogen_clean_fuels/refs...
www.netl.doe.gov/technologies/hydrogen_clean_fuels/refshelf/papers/hydrogen/Kinetics%20of%20the%20Homogeneous%20Reverse%20Water-Gas%20Shift%20Reaction.pdf
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The importance of nanogold–oxide interaction for CO oxidation reactions has been discussed extensively in the literature. For the water-gas shift (WGS) reaction, our group has shown that there is a strong interaction between gold and cerium oxide. The presence of gold ions on the defect sites of ceria is a...
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aiche.confex.com/aiche/2005/preliminaryprogram/abstract...
aiche.confex.com/aiche/2005/preliminaryprogram/abstract_28137.htm
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Deactivation Mechanisms for Pd/Ceria During the Water-Gas Shift Reaction; X. Wanga, R. J. Gortea and J. P. Wagnerb; aDepartment of Chemical Engineering; University of Pennsylvania; Philadelphia, PA 19104,USA bSüd-Chemie Inc.
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repository.upenn.edu/cgi/viewcontent.cgi?article=1057&c...
repository.upenn.edu/cgi/viewcontent.cgi?article=1057&context=cbe_papers
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The high performance of Au-CeO2 and Au-TiO2 catalysts in the water-gas shift (WGS) reaction (H2O + CO H2 + CO2) relies heavily on the direct participation of the oxide in the catalytic process.
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www.sciencemag.org/cgi/content/abstract/318/5857/1757
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However, we report here that for the class of nanostructured gold– or platinum–cerium oxide catalysts, which are active for the water-gas shift reaction, metal nanoparticles do not participate in the reaction.
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www.sciencemag.org/cgi/content/abstract/1085721
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The cyclic water gas shift reactor (CWGSR) is based on the repeated reduction of a fixed bed using a mixture of hydrogen and carbon monoxide and its subsequent oxidation with steam to produce pure hydrogen. The reactor is analyzed on a conceptual level using a spatially distributed, dynamic model.
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www.bepress.com/ijcre/vol6/A19/
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