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THE SYNTHESIS OF RU- AND PD -CONTAINING NANOPARTICLES STABILIZED BY THE HYPERCROSSLINKED POLYSTYRENE FOR THE SELECTIVE HYDROGENATION OF THE FURFURAL TO THE FURFURYL ALCOHOL
Abstract
We report the hydrogenation of furfural (FF) to furfuryl alcohol (FA) with Ru- and Pd-containing catalysts stabilized by hypercrosslinked polystyrene (HPS). Ru- and Pd-containing HPS-based catalysts were synthesized via wet-impregnation method. FF is one of the major ingredients of bio-oil produced by biomass pyrolysis, while FA is a source of value-added chemicals, thus, creating an effective path from biomass to important compounds. Different metal precursors were used for the synthesis of the catalyst. The nature of the metal influences the size of nanoparticles. The TEM data showed that for 3%-Pd/HPS catalyst Pd nanoparticles form monomodal distribution with mean diameter 5.4 ± 1.2 nm. For the sample 3%-Ru/ HPS, we also observed the monomodal particle size distribution with the mean particle sizes up to 1.4 ± 0.3 nm. The comparison with common catalysts showed that Ru- and Pd-catalysts synthesized in this work are the most effective. The excellent catalytic properties of the Ru catalyst are promising for practical applications.
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