Xin XTorr KMPang Svan de Pas DCooke-Willis Mde Miguel Mercader F2020-01-282020-01-282020Xin X, Torr KM, Pang S, van de Pas D, Cooke-Willis M, de Miguel Mercader F Catalytic Fast Pyrolysis of Demineralized Biomass in a Fluidized Bed Reactor: Effects of Acid-Leaching and Torrefaction Pretreatments. Energy & Fuels.0887-06241520-5029http://hdl.handle.net/10092/17920In situ catalytic fast pyrolysis of pretreated wood was investigated using a fluidized bed reactor. The pretreatments included acid-leaching, torrefaction, and a combined pretreatment of acid-leaching followed by torrefaction. Acid-leaching reduced amounts of biomass minerals introduced into the process. However, acid-leaching caused agglomeration during pyrolysis leading to reactor defluidization. Acid-leaching also resulted in an upgraded bio-oil that was less deoxygenated compared to the corresponding bio-oil obtained from raw wood. Conversely, torrefaction had a beneficial effect leading to an increased yield of upgraded bio-oil without affecting its chemical composition. Torrefaction of the acid-leached wood prevented agglomeration, reversed the negative effect acid-leaching had on bio-oil quality, and gave an improvement in upgraded bio-oil yield. These effects, combined with the removal of biomass minerals that are detrimental to the catalyst, suggests acid-leaching coupled with torrefaction is a promising pretreatment to improve in situ catalytic fast pyrolysis of lignocellulosic biomass from a technical viewpoint.encatalytic fast pyrolysisfluidized bed reactordemineralized biomassacid-leachingtorrefactionJournal Article2020-01-08Fields of Research::40 - Engineering::4004 - Chemical engineering::400408 - Reaction engineering (excl. nuclear reactions)Fields of Research::40 - Engineering::4016 - Materials engineering::401610 - Timber, pulp and paperFields of Research::30 - Agricultural, veterinary and food sciences::3007 - Forestry sciences::300705 - Forestry biomass and bioproductshttps://doi.org/10.1021/acs.energyfuels.9b03698