Interaction of Hydrogen with Cu–Zn Mixed Oxide Model Methanol Synthesis Catalyst | Sciact - CRIS-system of Boreskov Institute of Catalysis

Interaction of Hydrogen with Cu–Zn Mixed Oxide Model Methanol Synthesis Catalyst Full article

Journal

Journal of Molecular Catalysis A: Chemical
ISSN: 1381-1169

Output data

Year: 2013, Volume: 373, Pages: 151-160 Pages count : 10 DOI: 10.1016/j.molcata.2013.03.014

Tags

Copper reduction, Copper-zinc oxide catalyst, Hydrogen absorption, In situ FTIR, Inelastic neutron scattering

Authors

Khassin Alexander A. ¹ , Jobic Herve ³ , Filonenko Georgiy A. ^1,2 , Dokuchits Evgeniy V. ^1,2 , Khasin Alexander V. ¹ , Minyukova Tatyana P. ^1,2 , Shtertser Natalia V. ¹ , Plyasova Lyudmila M. ¹ , Yurieva Tamara M. ¹

Affiliations

1	Boreskov Institute of Catalysis, 5, pr. Lavrentieva, Novosibirsk 630090, Russia
2	Novosibirsk State University, 2, ul. Pirogova, Novosibirsk 630090, Russia
3	Institut de Recherches sur la Catalyse et l’Environnement de Lyon (IRCELYON), UMR 5256 CNRS – Université de Lyon, 2, av. A. Einstein, 69626 Villeurbanne, France

Funding (1)

Institut Laue Langevin

ILL 7-05-310

Interaction of hydrogen with model Cu–Zn methanol synthesis catalyst prepared by decomposition of mixed hydroxicarbonate is studied by inelastic neutron scattering, in situ FTIR/MS, and thermal analysis. Reduced (Cu0.08,Zn0.92)O mixed oxide accumulates 6H/Cu, mainly as hydride, hydroxyl and formate species. The reduction of copper in the (Cu,Zn)O mixed oxide occurs via a reversible redox interaction with H2 and absorption of protons as OH−-groups with ν = 3250 cm−1 and δ ≈ 1430–1480 cm−1. Kinetic and thermodynamic parameters of this process are evaluated. The weight loss during the reduction is due to the decomposition of the residual carbonate groups to CO2 via formate intermediates, which occurs in the presence of hydrogen. Exposure of (Cu,Zn)O to air prior to the reduction strongly affects the kinetic parameters of the reduction process.

Khassin A.A. , Jobic H. , Filonenko G.A. , Dokuchits E.V. , Khasin A.V. , Minyukova T.P. , Shtertser N.V. , Plyasova L.M. , Yurieva T.M.
Interaction of Hydrogen with Cu–Zn Mixed Oxide Model Methanol Synthesis Catalyst
Journal of Molecular Catalysis A: Chemical. 2013. V.373. P.151-160. DOI: 10.1016/j.molcata.2013.03.014 WOS Scopus РИНЦ ANCAN OpenAlex

Submitted:	Nov 2, 2012
Accepted:	Mar 10, 2013
Published online:	Mar 21, 2013
Published print:	Jul 1, 2013

Web of science:	WOS:000319242800020
Scopus:	2-s2.0-84876932094
Elibrary:	20441602
Chemical Abstracts:	2013:689747
Chemical Abstracts (print):	158:627828
OpenAlex:	W1964399009

DB	Citing
Web of science	18
Scopus	19
Elibrary	20
OpenAlex	20