Abstract
The direct catalytic thermo-catalytic transformation of wood in presence of molecular hydrogen has been demonstrated. The resulting organic liquid consists of saturated alkanes and aromatics and was obtained with a yield up to 30wt.%. Importantly, the oxygen content is about 3wt.% (<5wt.% required for bio-fuel formulation) and has a Higher Heating Value of 41MJkg−1 which is very close to standard diesel (44MJkg−1) used in automotive fuel. The catalysts comprise multi-functional Cu–Ru supported on Cs exchanged heteropolyacid (H3PW12O40 and H3PMo12O40), featuring depolymerisation, deoxygenation and hydrogenation in a single batch reactor. Current results present an alternative approach to convert highly oxygenated lignocellulosic biomass to a low oxygenated organic liquid suitable as additives in biofuels, in one step and one reactor.
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