Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 351, Issue 18, Pages 3175-3185Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.200900526
Keywords
bimetallic catalysts; biomass conversion; furfural; iridium; parallel flow reactors
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Funding
- Netherlands Organization for Scientific Research (NWO)
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We report here the synthesis and testing of a set of 48 alumina-supported catalysts for hydrogenation of 5-ethoxymethylfurfural. This catalytic reaction is very important in the context of converting biomass to biofuels. The catalysts are composed of one main metal (gold, copper, iridium, nickel, palladium, platinum, rhodium, ruthenium) and one promoter metal (bismuth, chromium, iron, sodium, tin, tungsten). Using a 16-parallel trickle-flow reactor, we tested all 48 catalyst combinations under a variety of conditions. The results show that both substrate conversion and product selectivity are sensitive towards temperature changes and solvent effects. The best results of > 99% yield to the desired product, 5-ethoxymethylfurfuryl alcohol, are obtained using an iridium/chromium (Ir/Cr) catalyst. ne mechanistic implications of different possible reaction pathways in this complex hydrogenation system are discussed.
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