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Domínguez-Barroso, María Vanesa Herrera-Delgado, María Concepción Larrubia-Vargas, María Ángeles Alemany-Arrebola, Luis José 2025-01-20T12:47:00Z 2025-01-20T12:47:00Z 2019-07-22 Vanesa Domínguez-Barroso, Concepción Herrera, María Ángeles Larrubia, Luis J. Alemany, Coupling of glycerol-APR and in situ hydrodeoxygenation of fatty acid to produce hydrocarbons, Fuel Processing Technology, Volume 190, 2019, Pages 21-28, ISSN 0378-3820, https://doi.org/10.1016/j.fuproc.2019.03.011. (https://www.sciencedirect.com/science/article/pii/S037838201832280X) https://hdl.handle.net/10630/36577 10.1016/j.fuproc.2019.03.011 Glycerol valorization by coupling APR to yield hydrogen with hydrogenation of a model compound as tandem reactions is approached using Pt-Ni/Al2O3 as efficient catalyst. Oleic acid is used as a C18 fatty acid model compound for in situ hydrogenation reaction. The combination of the two catalytic transformations to a single tandem process appears particularly interesting since this protocol reduces the number of synthetic steps towards the target compound and avoids external hydrogen supply. Glycerol reforming is carried out in a catalytic fixed bed batch reactor under subcritical water condition between 175 and 275°C (2–6.21MPa as autogenous pressure). The coupled reactions were carried out using 1wt %of catalyst, adding oleic acid to the mixture of water/glycerol and without any external hydrogen supply. In APR, maximum glycerol conversion of 80.3% was achieved using Pt-Ni/Al2O3 catalyst at 200°C with H2-selectivity close to 80% and CO formation below to 3.7%. In the coupled reactions, no hydrogen is observed in the gas-off, which is associated to the hydrogen consumption by oleic acid at 275°C; reaching a hydrogenation conversion value close to 91.3% and deoxygenation conversion of 32% giving a C17 paraffinic like-hydrocarbon. eng http://creativecommons.org/licenses/by-nc-nd/4.0/ open access Attribution-NonCommercial-NoDerivatives 4.0 Internacional Hidrocarburos Coupling of glycerol-APR and in situ hydrodeoxygenation of fatty acid to produce hydrocarbons journal article