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High temperature steam reforming of methanol over Cu/ZnO/ZrO2 catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
47766 46481 2009 9 PDF Available
Title
High temperature steam reforming of methanol over Cu/ZnO/ZrO2 catalysts
Abstract

Methanol steam reforming to hydrogen and carbon dioxide is catalyzed at 400 °C over Cu/ZnO/ZrO2 (Cu content, 30 wt.%) prepared by a coprecipitation method. Conventional binary catalysts of Cu/ZnO and Cu/ZrO2 have also been prepared by the same method. The activity of Cu/ZnO/ZrO2 is stable in comparison with the binary catalysts and a commercial Cu/ZnO/Al2O3. The selectivity to carbon monoxide by-produced over Cu/ZnO/ZrO2 is fairly low. The particle sizes of Cu and ZnO for Cu/ZnO/ZrO2 are significantly smaller than those for Cu/ZnO, and the BET surface area of Cu/ZnO/ZrO2 is 2–3 times as high as that of Cu/ZnO. The Cu particle size of Cu/ZnO/ZrO2 is stable during the reaction, but growth of ZnO and ZrO2 particles is accompanied with the deactivation.

Keywords
Methanol steam reforming; Cu/ZnO/ZrO2; Hydrogen production; Stability; TEM; XRD; XPS
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High temperature steam reforming of methanol over Cu/ZnO/ZrO2 catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 91, Issues 1–2, 7 September 2009, Pages 524–532
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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