Design of a stable steam reforming catalyst — a promising route to sustainable hydrogen from biomass oxygenates

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Matas Güell, B. and Babich, I. and Nichols, K.P. and Gardeniers, J.G.E. and Lefferts, L. and Seshan, K. (2009) Design of a stable steam reforming catalyst — a promising route to sustainable hydrogen from biomass oxygenates. Applied Catalysis B: Environmental, 90 (1-2). pp. 38-44. ISSN 0926-3373

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Abstract:The influence of the support and the presence of oxygen were investigated in the steam reforming of acetic acid, a bio-oil model compound, over Pt/ZrO2 and Pt/CeO2 catalysts. In the absence of oxygen, all catalysts suffered from deactivation. Acetone, formed via condensation/dehydration of acetic acid, is a coke precursor and causes catalyst deactivation. The use of a support with red-ox properties and the presence of oxygen improved the stability of the Pt/CeO2 catalyst tremendously. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) characterization of coke indicates that the presence of oxygen prevents extensive oligomerization/coke forming reactions and that the resulting specie are more easily combusted.
Item Type:Article
Copyright:© 2009 Elsevier
Faculty:
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/80071
Official URL:http://dx.doi.org/10.1016/j.apcatb.2009.02.008
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