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Catalytic transfer hydrogenation/hydrogenolysis of guaiacol to cyclohexane over bimetallic RuRe/C catalysts
- Issue Date
- 5-Nov-2016
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Biomass; Transfer hydrogenation; Bimetallic; RuRe; Guaiacol
- Citation
- CATALYSIS COMMUNICATIONS, v.86, pp.113 - 118
- Indexed
- SCIE
SCOPUS
- Journal Title
- CATALYSIS COMMUNICATIONS
- Volume
- 86
- Start Page
- 113
- End Page
- 118
- ISSN
- 1566-7367
- Abstract
- The hydrodeoxygenation of lignin monomer guaiacol via catalytic transfer hydrogenation was studied with 2-propanol as a hydrogen donor and Ru-based catalysts. Guaiacol was mainly converted into a partially deoxygenated product, cyclohexanol (>70% selectivity), over Ru/C catalysts with the hydrogen produced in-situ from 2-propanol. An addition of Re to Ru/C catalysts significantly enhanced the rate of C-O hydrogenolysis, resulting in the complete deoxygenation to cyclohexane (similar to 60% selectivity). The remarkable deoxygenation ability of the bimetallic RuRe/C catalyst is attributed to its bifunctional characteristic, by which Ru catalyzes the hydrogenation-hydrogenolysis of guaiacol and Re provides acid sites to promote cyclohexane production via hydrogenolysis. (C) 2016 Elsevier B.V. All rights reserved.
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Related Researcher
- Lee, Kwan Young
- College of Engineering (Department of Chemical and Biological Engineering)