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Topics in Catalysis
Erschienen in: Topics in Catalysis 11/2013

01.08.2013 | Original Paper

The Effect of ZnAl2O4 on the Performance of Cu/ZnxAlyOx+1.5y Supported Catalysts in Steam Reforming of Methanol

verfasst von: Paweł Mierczynski, Krasimir Vasilev, Agnieszka Mierczynska, Waldemar Maniukiewicz, Tomasz Maniecki

Erschienen in: Topics in Catalysis | Ausgabe 11/2013

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Abstract

This paper demonstrates the benefit of using spinel (ZnAl2O4) as a support for copper catalysts in hydrogen generation. We have investigated the influence of catalyst pre-treatment, support composition and copper content on the physicochemical and catalytic properties of copper catalysts supported on ZnxAlyOx+1.5y in the methanol steam reforming. The physicochemical properties of the catalysts were examined by X-ray diffraction, temperature-programmed reduction, specific surface area and porosity, X-ray photoelectron spectroscopy, FTIR and chemisorption methods. The reduced copper catalysts showed higher conversion of methanol and higher hydrogen production. We also found that the presence of Cu+ and Cu0 species on the catalyst surface strongly influences the reaction yield and hydrogen production. FTIR measurements performed for copper catalysts confirmed that increasing of aluminium content in the case of catalytic systems caused the growth of adsorbed species on the catalyst surface.
Vorheriger Artikel Catalytic Purification of Exhaust Gases Over Pd–Rh Alloy Catalysts
Nächster Artikel Metal Dusting as a Route to Produce Active Catalyst for Processing Chlorinated Hydrocarbons into Carbon Nanomaterials

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Metadaten
Titel
The Effect of ZnAl2O4 on the Performance of Cu/ZnxAlyOx+1.5y Supported Catalysts in Steam Reforming of Methanol
verfasst von
Paweł Mierczynski
Krasimir Vasilev
Agnieszka Mierczynska
Waldemar Maniukiewicz
Tomasz Maniecki
Publikationsdatum
01.08.2013
Verlag
Springer US
Erschienen in
Topics in Catalysis / Ausgabe 11/2013
Print ISSN: 1022-5528
Elektronische ISSN: 1572-9028
DOI
https://doi.org/10.1007/s11244-013-0065-7

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