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dc.contributor.author | Subbotina, Elena![]() |
es_ES |
dc.contributor.author | Velty, Alexandra![]() |
es_ES |
dc.contributor.author | Samec, Joseph S. M.![]() |
es_ES |
dc.contributor.author | Corma Canós, Avelino![]() |
es_ES |
dc.date.accessioned | 2021-04-22T03:31:37Z | |
dc.date.available | 2021-04-22T03:31:37Z | |
dc.date.issued | 2020-09-07 | es_ES |
dc.identifier.issn | 1864-5631 | es_ES |
dc.identifier.uri | http://hdl.handle.net/10251/165485 | |
dc.description | This is the peer reviewed version of the following article: E. Subbotina, A. Velty, J. S. M. Samec, A. Corma, ChemSusChem 2020, 13, 4528, which has been published in final form at https://doi.org/10.1002/cssc.202000330. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. | es_ES |
dc.description.abstract | [EN] Organosolv pulping releases reactive monomers from both lignin and hemicellulose by the cleavage of weak C-O bonds. These monomers recombine to form undesired polymers through the formation of recalcitrant C-C bonds. Different strategies have been developed to prevent this process by stabilizing the reactive monomers (i.e., lignin-first approaches). To date, all reported approaches rely on the addition of capping agents or metal-catalyzed stabilization reactions, which usually require high pressures of hydrogen gas. Herein, a metal- and additive-free approach is reported that uses zeolites as acid catalysts to convert the reactive monomers into more stable derivatives under organosolv pulping conditions. Experiments with model lignin compounds showed that the recondensation of aldehydes and allylic alcohols produced by the cleavage of beta-O-4 ' bonds was efficiently inhibited by the use of protonic beta zeolite. By applying a zeolite with a preferred pore size, the bimolecular reactions of reactive monomers were effectively inhibited, resulting in stable and valuable monophenolics. The developed methodology was further extended to birch wood to yield monophenolic compounds and value-added products from carbohydrates. | es_ES |
dc.description.sponsorship | This work was supported by the Swedish Energy Agency, Stiftelsen Olle Engkvist Byggm~stare, and the European Union through ERC-AdG-2014-671093-SynCatMatch. | es_ES |
dc.language | Inglés | es_ES |
dc.publisher | John Wiley & Sons | es_ES |
dc.relation.ispartof | ChemSusChem | es_ES |
dc.rights | Reserva de todos los derechos | es_ES |
dc.subject | Biomass | es_ES |
dc.subject | Depolymerization | es_ES |
dc.subject | Heterogeneous catalysis | es_ES |
dc.subject | Lignin | es_ES |
dc.subject | Zeolites | es_ES |
dc.subject.classification | QUIMICA ORGANICA | es_ES |
dc.title | Zeolite-Assisted Lignin-First Fractionation of Lignocellulose: Overcoming Lignin Recondensation through Shape-Selective Catalysis | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1002/cssc.202000330 | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/EC/H2020/671093/EU/MATching zeolite SYNthesis with CATalytic activity/ | es_ES |
dc.rights.accessRights | Abierto | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Química - Departament de Química | es_ES |
dc.description.bibliographicCitation | Subbotina, E.; Velty, A.; Samec, JSM.; Corma Canós, A. (2020). Zeolite-Assisted Lignin-First Fractionation of Lignocellulose: Overcoming Lignin Recondensation through Shape-Selective Catalysis. ChemSusChem. 13(17):4528-4536. https://doi.org/10.1002/cssc.202000330 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | https://doi.org/10.1002/cssc.202000330 | es_ES |
dc.description.upvformatpinicio | 4528 | es_ES |
dc.description.upvformatpfin | 4536 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 13 | es_ES |
dc.description.issue | 17 | es_ES |
dc.identifier.pmid | 32281748 | es_ES |
dc.relation.pasarela | S\431832 | es_ES |
dc.contributor.funder | Swedish Energy Agency | es_ES |
dc.contributor.funder | Swedish Research Council | es_ES |
dc.contributor.funder | European Research Council | es_ES |
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