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dc.contributor.authorParra Ipiña, Onintze
dc.contributor.authorPortillo Bazaco, Ander
dc.contributor.authorTabernilla Sánchez, Zuria
dc.contributor.authorAguayo Urquijo, Andrés Tomás ORCID
dc.contributor.authorEreña Loizaga, Javier
dc.contributor.authorBilbao Elorriaga, Javier
dc.contributor.authorAteka Bilbao, Ainara
dc.date.accessioned2024-12-10T17:09:33Z
dc.date.available2024-12-10T17:09:33Z
dc.date.issued2024-12
dc.identifier.citationRenewable Energy 237(Part C) : (2024) // Article ID 121693es_ES
dc.identifier.issn1879-0682
dc.identifier.issn0960-1481
dc.identifier.urihttp://hdl.handle.net/10810/70797
dc.description.abstractRole of HZSM-5 zeolite properties (in tandem with ZnO–ZrO2) in direct synthesis of C5+ hydrocarbons from CO2/CO was studied. The runs were performed in fixed bed reactor at: 420 ℃; 50 bar; space time, 10 gcat h molC-1; H2/COx, 3; CO2/COx, 0.5. Two conventional zeolites were used (with SiO2/Al2O3 ratio of 30 and 280), another one doped with Zn and one nano-sized zeolite with SiO2/Al2O3 ratio of 371. It was determined that acidity conditions the performance of the catalyst, and the best results (yield and selectivity of C5+ of 19.6% and 78.0%, respectively, with a COx conversion of 25.1%) were obtained with nano-sized zeolite (low acidity). In the C5+ fraction, the major components were C5 and C6 paraffins, mostly isoparaffinic; so this fraction (without aromatics and with RON 91) is suitable for incorporating into gasoline pool. The presence of highly acidic sites favors secondary reactions of formation of C1-C4 hydrocarbons, by cracking and hydrogen transfer reactions, decreasing the COx conversion by worsening the synergy between the catalysts. Results are explained by the effect of the acidity on the extent of the stages of reaction network on ZnO–ZrO2/HZSM-5 catalyst, and on synergy between the catalysts.es_ES
dc.description.sponsorshipThis work has been carried out with the financial support of the Ministry of Science and Innovation of the Spanish Government (PID2022-140584OB-I00); the Basque Government, Spain (Project IT1645-22), the European Regional Development Funds (ERDF) and the European Commission (HORIZON H2020-MSCA RISE-2018. Contract No. 823745). Onintze Parra is grateful for the financial support of the grant of the Basque Government, Spain (PRE_2021_1_0014) and Zuria Tabernilla is grateful for the financial support of the grant of the Basque Government, Spain (PRE_2022_2_0136). The authors thank for technical and human support provided by SGIker (UPV/EHU).es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/823745es_ES
dc.relationinfo:eu-repo/grantAgreement/MICINN/PID2022-140584OB-I00es_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subjectCO2 to hydrocarbonses_ES
dc.subjectgasoline productiones_ES
dc.subjectZnO–ZrO2 catalystes_ES
dc.subjectHZSM-5 zeolitees_ES
dc.subjectcatalyst acidityes_ES
dc.subjectreaction networkes_ES
dc.titleUpgrading gasoline production through optimizing zeolite properties in the direct hydrogenation of CO2/COes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.rights.holder© 2024 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND licensees_ES
dc.rights.holderAtribución-NoComercial-SinDerivadas 3.0 España*
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0960148124017610es_ES
dc.identifier.doi10.1016/j.renene.2024.121693
dc.contributor.funderEuropean Commission
dc.departamentoesIngeniería químicaes_ES
dc.departamentoeuIngeniaritza kimikoaes_ES


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© 2024 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license
Except where otherwise noted, this item's license is described as © 2024 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license