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Catalysts 2016, 6(3), 33; doi:10.3390/catal6030033

Methanol Reforming over Cobalt Catalysts Prepared from Fumarate Precursors: TPD Investigation

Foundation for Research and Technology-Hellas (FORTH), Institute of Chemical Engineering Sciences (ICE-HT), Stadiou str., Platani, GR-26504 Patras, Greece
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Academic Editor: Michalis Konsolakis
Received: 30 November 2015 / Revised: 2 February 2016 / Accepted: 16 February 2016 / Published: 24 February 2016
(This article belongs to the Special Issue Surface Chemistry and Catalysis)
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Abstract

Temperature-programmed desorption (TPD) was employed to investigate adsorption characteristics of CH3OH, H2O, H2, CO2 and CO on cobalt-manganese oxide catalysts prepared through mixed Co-Mn fumarate precursors either by pyrolysis or oxidation and oxidation/reduction pretreatment. Pyrolysis temperature and Co/Mn ratio were the variable synthesis parameters. Adsorption of methanol, water and CO2 was carried out at room temperature. Adsorption of H2 and H2O was carried out at 25 and 300 °C. Adsorption of CO was carried out at 25 and 150 °C. The goal of the work was to gain insight on the observed differences in the performance of the aforementioned catalysts in methanol steam reforming. TPD results indicated that activity differences are mostly related to variation in the number density of active sites, which are able to adsorb and decompose methanol. View Full-Text
Keywords: adsorption; cobalt; manganese; TPD; CO; CO2; H2; H2O; CH3OH adsorption; cobalt; manganese; TPD; CO; CO2; H2; H2O; CH3OH
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Papadopoulou, E.; Ioannides, T. Methanol Reforming over Cobalt Catalysts Prepared from Fumarate Precursors: TPD Investigation. Catalysts 2016, 6, 33.

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