AgCu/SiC-powder: A highly stable and active catalyst for gas-phase selective oxidation of alcohols

Zhao, Liang, Kong, Liping, Liu, Chunze, Wang, Yuanyuan and Dai, Liyi 2017. AgCu/SiC-powder: A highly stable and active catalyst for gas-phase selective oxidation of alcohols. Catalysis Communications 98 , pp. 1-4. 10.1016/j.catcom.2017.04.043

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Abstract

Highly active and selective bimetallic AgCu/SiC-powder catalysts have been prepared by a facile method for the gas-phase selective oxidation of alcohols (such as 99.3% benzyl alcohol conversion and 99.6% benzyl aldehyde selectivity). The catalytic activity can maintain at least 200 h compared with Cu/SiC (only within 10 h). The formation of Ag-Cu2O ensembles brings about enhanced improvement both in conversion and stability. The XPS results reveal that large amounts of Ag0-Cu2O active sites formed after pre-activation process and Cu2O sites play a dominant role in benzyl alcohol oxidation reaction. Dehydrogenation reaction process has also been confirmed by O2-TPD.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry Cardiff Catalysis Institute (CCI)
Publisher:	Elsevier
ISSN:	1566-7367
Date of Acceptance:	23 April 2017
Last Modified:	17 Sep 2021 14:30
URI:	https://orca.cardiff.ac.uk/id/eprint/143494

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