Bimetallic Pt0.5Co0.5/SiO2 Catalyst: Preparation, Structure, and Properties in Preferential Oxidation of Carbon Monoxide View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2018-07

AUTHORS

D. I. Potemkin, M. V. Konishcheva, A. V. Zadesenets, P. V. Snytnikov, E. Yu. Filatov, S. V. Korenev, V. A. Sobyanin

ABSTRACT

The Pt0.5Со0.5/SiO2 catalyst has been prepared by the decomposition of a [Pt(NH3)4][Co(C2O4)2(H2O)2]. 2H2O binary complex salt supported in the pores of SiO2 pellets. It has been shown by a complex of physical and chemical methods that Pt0.5Со0.5/SiO2 contains alloy nanoparticles with an average composition Pt0.5Co0.5. The catalytic properties of Pt0.5Со0.5/SiO2 are studied in the preferential oxidation of СО in the reaction mixtures with various compositions. It was found that Pt0.5Со0.5/SiO2 has a high selectivity and makes it possible to decrease the outlet concentration of CO to a level of <10 ppm, and the presence of СО2 and/or Н2О in the reaction mixture almost does not affect its catalytic properties. The structure of the catalyst is stable under the conditions of preferential CO oxidation. More... »

PAGES

514-520

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s0023158418040110

DOI

http://dx.doi.org/10.1134/s0023158418040110

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1105979924


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