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dc.contributor.authorSánchez Bastardo, Nuria
dc.contributor.authorDelidovich, Irina
dc.contributor.authorAlonso Sánchez, Gloria Esther 
dc.date.accessioned2019-03-17T20:41:34Z
dc.date.available2019-03-17T20:41:34Z
dc.date.issued2018
dc.identifier.citationACS Sustainable Chem. Eng. (2018) 6, 11930-11938es
dc.identifier.urihttp://uvadoc.uva.es/handle/10324/35110
dc.description.abstractWheat bran is a lignocellulosic waste of milling industry. It contains hemicelluloses, which can be valorized into arabitol and xylitol via a few-step approach. It begins with extraction and hydrolysis of hemicelluloses to produce a solution of xylose and arabinose, along with proteins and inorganic salts. This work focuses on the purification of sugars of this hydrolysate and the subsequent catalytic production of sugar alcohols. A purification process based on the recovery of sugars by anionic extraction with a boronic acid, followed by back-extraction and a further refining step with ion exchange resins is described. After this process, a high purity sugars solution (∼90%) free of inorganic elements and proteins was obtained. The feasibility of the process was also highlighted by a successful recycling of the organic phase containing the boronic acid. The hydrogenation of purified sugars was then performed over Ru/H-ZSM-5. A high yield into pentitols of ∼70% with 100% selectivity was achieved. Importantly, the catalytic hydrogenation of sugars in the hydrolysate prior to purification did not occur. We determined that proteins caused the deactivation of the catalyst, and consequently, the inhibition of the production of sugar alcohols.es
dc.format.mimetypeapplication/pdfes
dc.language.isospaes
dc.publisherACS Publicationses
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.titleFrom Biomass to Sugar Alcohols: Purification of Wheat Bran Hydrolysates Using Boronic Acid Carriers Followed by Hydrogenation of Sugars over Ru/H-ZSM-5es
dc.typeinfo:eu-repo/semantics/articlees
dc.identifier.doi10.1021/acssuschemeng.8b02206es
dc.relation.publisherversionhttps://pubs.acs.org/doi/abs/10.1021%2Facssuschemeng.8b02206es
dc.peerreviewedSIes
dc.description.projectMinisterio de Economía, Industria y Competitividad - Fondo Europeo de Desarrollo Regional (project CTQ2015-64892-R)


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