Journal
CHEMSUSCHEM
Volume 10, Issue 5, Pages 819-824Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201601503
Keywords
1,3-propanediol; Au promotion; frustrated Lewism pairs; glycerol; hydrogenolysis
Funding
- National Natural Science Foundation of China [21303187, 21373206, 21673228, 21690084, 2169008]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB17020100]
- National Key Projects for Fundamental Research and Development of China [2016YFA0202801]
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A highly dispersed Au and Pt catalyst supported on WOx was developed for high performance in the selective hydrogenolysis of glycerol to 1,3-propanediol (1,3-PD) under very mild reaction conditions (81.4% glycerol conversion, 51.6% 1,3-PD selectivity at 413 K, 1 MPa H-2). The highly dispersed Au decreased the original surface Lewis-acid sites on Pt/WOx but greatly increased its in situ generated Bronsted-acid sites with the assistance of H2 through the formation of frustrated Lewis pairs. These in situ formed and spatially separated pairs of H+ and H+ function as the active sites in glycerol conversion to 1,3-PD.
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