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Modeling the deactivation of CaO-based sorbents during multiple Ca-looping cycles for CO2 post-combustion capture

2020-03-04Journal article Restricted access
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dc.contributor.authorAbreu, Miguel
dc.contributor.authorTeixeira, Paula
dc.contributor.authorFilipe, Rui
dc.contributor.authorDomingues, Luís
dc.contributor.authorPinheiro, Carla
dc.contributor.authorMatos, Henrique A.
dc.date.accessioned2020-03-24T19:40:33Z
dc.date.available2020-03-24T19:40:33Z
dc.date.issued2020-03-04
dc.description.abstractA novel model is presented for the estimation of natural CaO-based sorbents carbonation reactivity decay during Calcium Looping carbonation-calcination cycles. The model consists of a cyclic framework of two sub-models, the Overlapping Grain Model and the novel proposed modified Rate Theory for the Pore Size Distribution model. The model was implemented in gPROMS ModelBuilder (R) and parameter estimation was used for model validation using experimental data from three CaO-based sorbent precursors. The carbonation profile for the three sorbents was simulated with average deviations under 5%. The calcination sub-model predicted the evolution of total porous volume and total surface area for the calcination and sintering of dolomite, with an error of 3%. The cyclic framework successfully predicted the carbonation behavior of dolomite for 20 carbonation-calcination cycles. The model can be used for other CaO-based sorbents and the flexible modular structure allows the integration of other modules or approaches.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationABREU, Miguel; [et al] – Modeling the deactivation of CaO-based sorbents during multiple Ca-looping cycles for CO2 post-combustion capture. Computers and Chemical Engineering. ISSN 0098-1354. Vol. 134 (2020), pp. 1-16pt_PT
dc.identifier.doi10.1016/j.compchemeng.2019.106679pt_PT
dc.identifier.issn0098-1354
dc.identifier.urihttp://hdl.handle.net/10400.21/11326
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationUID/QUI/00100/2019 - FCTpt_PT
dc.relationUID/ECl/04028/2019 - FCTpt_PT
dc.relationPTDC/AAG-MAA/6195/2014 - Carbon Emissions Reduction in the Cement Industrypt_PT
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dc.subjectCalcium loopingpt_PT
dc.subjectCO2 capturept_PT
dc.subjectModelingpt_PT
dc.subjectSorbents deactivationpt_PT
dc.subjectSinteringpt_PT
dc.titleModeling the deactivation of CaO-based sorbents during multiple Ca-looping cycles for CO2 post-combustion capturept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage16pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleComputers and Chemical Engineeringpt_PT
oaire.citation.volume134pt_PT
person.familyNameTeixeira
person.familyNameFilipe
person.familyNameCosta Pinheiro
person.familyNameMatos
person.givenNamePaula
person.givenNameRui
person.givenNameCarla Isabel
person.givenNameHenrique
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person.identifier.ridB-4925-2008
person.identifier.ridK-7263-2012
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person.identifier.scopus-author-id54932740400
person.identifier.scopus-author-id22034515600
person.identifier.scopus-author-id7004773622
person.identifier.scopus-author-id6701829745
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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