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CO2 Capture in Chemically and Thermally Modified Activated Carbons Using Breakthrough Measurements: Experimental and Modeling Study

2018Journal article Open access
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dc.contributor.authorSilva, José A.C.
dc.contributor.authorKarimi, Mohsen
dc.contributor.authorGonçalves, Carmem Natália de Pina
dc.contributor.authorDíaz de Tuesta, Jose Luis
dc.contributor.authorRodrigues, Alírio
dc.contributor.authorGomes, Helder
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2019-02-04T17:10:35Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2019-02-04T17:10:35Z
dc.date.issued2018
dc.description.abstractThe development of adsorption-based technologies for CO2 capture in the post combustion processes requires finding materials with high capacity of adsorption and low cost of preparation. In this study, the modification of a commercial activated carbon (Norit ROX 0.8), considered as a solid adsorbent for CO2 capture, and the effects of different methods of activations, chemically (hydrogen peroxide, sulfuric acid, nitric acid, and urea) and thermally (at 800 °C) on adsorption performance, have been investigated. Then, CO2 adsorption capacity was studied at different temperatures and pressures to evaluate the effects of various agents on sample performance. The textural properties of the samples were determined using adsorption−desorption isotherms of nitrogen at −196 °C. Finally, the obtained data were modeled by Response Surface Methodology (RSM) and Langmuir isotherm. The results showed that the prepared sample by successive treatments with nitric acid, urea, and thermal calcination has a higher uptake capacity than other modified samples.en_EN
dc.description.sponsorshipThis work was financially supported by Project POCI-01-0145- FEDER-006984 − Associate Laboratory LSRE-LCM funded by FEDER through COMPETE2020 - Programa Operacional Competitividade e Internacionalização (POCI) − and by national funds through FCT - Fundação para a Ciência e a Tecnologia. M.K. also acknowledges a research grant awarded under project ″VALORCOMP″ (ref.0119_VALORCOMP_ 2_P), financed through INTERREG V A Spain Portugal (POCTEP) 2014-2020, under the European Regional Development Fund by FCT.
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationKarimi, Mohsen; Silva, José A.C.; Gonçalves, Carmem Natália; Diaz de Tuesta, José L.; Rodrigues, Alírio E.; Gomes, Helder T. (2018). CO2 Capture in Chemically and Thermally Modified Activated Carbons Using Breakthrough Measurements: Experimental and Modeling Study. Industrial and Engineering Chemistry Research. ISSN 0888-5885. 57, p. 11154-11166en_EN
dc.identifier.doi10.1021/acs.iecr.8b00953en_EN
dc.identifier.issn0888-5885
dc.identifier.urihttp://hdl.handle.net/10198/18733
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.subjectActivated carbon
dc.subjectAdsorption isotherms
dc.subjectCarbon dioxide
dc.subjectMesoporous materials
dc.titleCO2 Capture in Chemically and Thermally Modified Activated Carbons Using Breakthrough Measurements: Experimental and Modeling Studyen_EN
dc.typejournal article
dspace.entity.typePublication
person.familyNameSilva
person.familyNameDíaz de Tuesta
person.familyNameGomes
person.givenNameJosé A.C.
person.givenNameJose Luis
person.givenNameHelder
person.identifier.ciencia-idC11B-F5CF-7C78
person.identifier.ciencia-id7A1F-022B-7DBF
person.identifier.ciencia-id6218-1E19-13EE
person.identifier.orcid0000-0003-1778-3833
person.identifier.orcid0000-0003-2408-087X
person.identifier.orcid0000-0001-6898-2408
person.identifier.ridD-9785-2017
person.identifier.scopus-author-id7403023684
person.identifier.scopus-author-id55755821600
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
relation.isAuthorOfPublication16366ede-a7d6-45ff-a8c9-eff9bdde35c7
relation.isAuthorOfPublication2ad0465f-5f8a-4b14-90f5-bf85996f9ce1
relation.isAuthorOfPublication0eb96337-224a-4339-9918-334436fbbb99
relation.isAuthorOfPublication.latestForDiscovery0eb96337-224a-4339-9918-334436fbbb99

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