Experimental evaluation of the thermal degradation of solar salt under different gas covers

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dc.contributor.authorPrieto, Cristina
dc.contributor.authorLópez-Román, Antón
dc.contributor.authorCabeza, Luisa F.
dc.date.accessioned2023-07-31T09:09:11Z
dc.date.available2023-07-31T09:09:11Z
dc.date.issued2023
dc.date.updated2023-07-31T09:09:11Z
dc.description.abstractCommercial concentrating solar power (CSP) plants use solar salt (60-40 wt% NaNO3-KNO3) as thermal energy storage media due to its proven performance. Nevertheless, at high temperatures its decomposition can become a problem, hindering the possibility to rise operating temperatures. Therefore, this paper studies the decomposition of solar salt using different cover gases, dry air and oxygen. Results show that the use of oxygen as cover gas, instead the commercially used dry air, slows down the thermal decomposition of solar salt, reducing the amount of NOx and nitrites formation.
dc.description.sponsorshipThis work was partially funded by the Ministerio de Ciencia e Innovación de España [(ITC-20111061-FEDER-Innterconecta-Composol) (PID2021-123511OB-C31 - MCIU/AEI/FEDER, UE) (TED2021-132216A-I00)] and by the Ministerio de Ciencia, Innovación y Universidades - Agencia Estatal de Investigación (AEI) (RED2018-102431-T). The authors would like to thank the Department of Chemical Engineering in the University of Huelva. The authors at University of Lleida would like to thank the Catalan Government for the quality accreditation given to their research group GREiA (2017 SGR 1537). GREiA is a certified agent TECNIO in the category of technology developers from the Government of Catalonia. This work is partially supported by ICREA under the ICREA Academia programme.
dc.format.mimetypeapplication/pdf
dc.identifier.doihttps://doi.org/10.1016/j.est.2023.108412
dc.identifier.idgrec033382
dc.identifier.issn2352-152X
dc.identifier.urihttps://repositori.udl.cat/handle/10459.1/463850
dc.language.isoeng
dc.publisherElsevier
dc.relationinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-123511OB-C31/ES/ESTRATEGIAS DE DESCARBONIZACION QUE INTEGRAN EL ALMACENAMIENTO DE ENERGIA TERMICA/
dc.relationinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RED2018-102431-T/ES/RED ESPAÑOLA EN ALMACENAMIENTO DE ENERGIA TERMICA/
dc.relation.isformatofReproducció del document publicat a https://doi.org/10.1016/j.est.2023.108412
dc.relation.ispartofJournal of Energy Storage, 2023, vol. 72, Part B, p. 108412-1-108412-11
dc.rightscc-by-nc-nd, © 2023 The Authors, 2023
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectSolar salt
dc.subjectThermal decomposition
dc.subjectCover gas
dc.subjectConcentrating solar power (CSP)
dc.subjectThermal energy storage (TES)
dc.titleExperimental evaluation of the thermal degradation of solar salt under different gas covers
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/publishedVersion
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