Journal
ACS CATALYSIS
Volume 8, Issue 2, Pages 1427-1439Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.7b03593
Keywords
heterogeneous catalysis; biomass upgrading; bimetallic catalyst; 1,6-hexanediol; catalyst characterization; hydrogenolysis; C-O bond cleavage; H-2 spillover
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Funding
- Department of Energy, Office of Energy Efficiency and Renewable Energy (EERE) [DE-EE0006878]
- UW MRSEC [DMR-1121288]
- UW NSEC [DMR-0832760]
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Cellulose-derived tetrahydrofuran-dimethanol (THFDM) can be converted over Pt-WOx/TiO2 catalysts to 1,6-hexanediol (1,6-HDO) with up to 70% yield. This reaction involves ring-opening of THFDM to 1,2,6-hexanetriol (HTO) and then hydrogenolysis of HTO to 1,6-HDO. Hydrogen atoms spill over from Pt sites onto WOx/TiO2 to reduce the W=O functional group and create Bronsted acid sites. Similar catalytic activity for THFDM conversion can be been obtained with a physical mixture of Pt/TiO2 and WOx/TiO2, due to hydrogen spillover over spatially separate Pt and WOx when a reducible support (TiO2) is used.
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