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Evaluation of activated carbons produced from Maize Cob Waste for adsorption-based CO2 separation and biogas upgrading

2022-02Journal article Restricted access
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dc.contributor.authorSurra, Elena
dc.contributor.authorRibeiro, Rui P.P.L.
dc.contributor.authorSantos, Tiago
dc.contributor.authorBernardo, Maria
dc.contributor.authorMota, José P.B.
dc.contributor.authorLapa, Nuno
dc.contributor.authorEsteves, Isabel A.A.C.
dc.date.accessioned2023-01-27T15:09:36Z
dc.date.embargo2035
dc.date.issued2022-02
dc.description.abstractTwo activated carbons (AC) resulting from CO2 activation of Maize Cob Waste (MCW) were investigated as adsorbent materials for biogas upgrading to bio-methane applying a biorefinery concept. The porous carbons were originated from different times of activation and the one resulting from 3 h with CO2 (MCW(PA)3 h) showed better textural properties, higher working capacity, and selectivity towards CO2 than the carbon resulting from 2 h of activation (MCW(PA)2 h), making it the best candidate for biogas purification. The adsorption equilibrium measurements of CO2 and CH4 on MCW(PA)3 h carbon showed that the Sips isotherm model, as well as the Adsorption Potential Theory (APT), can be confidently employed to accurately correlate the adsorption equilibrium data of the adsorbates employed. In the range of the partial pressures typical for biogas upgrading units, MCW(PA)3 h showed higher CO2 uptakes than the ones reported for coal-based commercial ACs and similar uptakes to the ones reported for bio-based ACs. Moreover, the axial dispersed plug-flow and Linear Driving Force (LDF) approximation for lumped solid-diffusion mass transfer model used for the prediction of the dynamic behaviour of the adsorbate-adsorbent system, provided a good agreement with the experimental results, demonstrating its applicability to the studied system. This work represents the basis of future modelling works of a Pressure Swing Adsorption (PSA) cycle based on the use of MCW(PA)3 h as adsorbent material and demonstrates the high potential of this novel material to be applied in biogas upgrading processespt_PT
dc.description.sponsorshipThe authors acknowledge the financial support from ERANet LAC initiative through project ELAC2014/BEE0367 (I. Esteves) and the Portuguese Foundation for Science and Technology (FCT/MCTES) through projects IF/01016/2014 (I. Esteves) and PTDC/CTM-CTM/30326/2017 (I. Esteves), the Post-Doc fellowships SFRH/BPD/ 93407/2013 and the “Norma Transitória DL 57/2016” Program Contract (M. Bernardo), SFRH/BPD/103533/2014, and the “Norma Transitória DL 57/2016” Program Contract (R. Ribeiro), and the Ph.D. grant PD/BD/142951/2018 (T. Santos). This research was funded by the Associate Laboratory for Green Chemistry (LAQV), which is financed by national funds from FCT/MCTES (UIDB/50006/2020, UIDP/50006/2020, and UID/AGR/04129/2020)pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.jece.2021.107065pt_PT
dc.identifier.issn2213-3437
dc.identifier.urihttp://hdl.handle.net/10400.22/21958
dc.language.isoengpt_PT
dc.publisherElsevierpt_PT
dc.relationNanoporous carbon-based structured composites derived from metal-organic frameworks (MOFs) - A new promising fine-tuned media for gas adsorption and separation applications
dc.relationAdsorption Technologies for Biogas Upgrading and Carbon Dioxide Capture
dc.relationDebottlenecking the purification of complex biopharmaceuticals with new 3D-printed chromatographic processes, advanced analytics and computer-aided process design tools
dc.relationAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
dc.relationAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S221334372102042X?via%3Dihubpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectActivated carbonpt_PT
dc.subjectGas adsorption and separationpt_PT
dc.subjectBiogas upgradingpt_PT
dc.subjectBiomethanept_PT
dc.subjectPressure-swing adsorption (PSA)pt_PT
dc.titleEvaluation of activated carbons produced from Maize Cob Waste for adsorption-based CO2 separation and biogas upgradingpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleNanoporous carbon-based structured composites derived from metal-organic frameworks (MOFs) - A new promising fine-tuned media for gas adsorption and separation applications
oaire.awardTitleAdsorption Technologies for Biogas Upgrading and Carbon Dioxide Capture
oaire.awardTitleDebottlenecking the purification of complex biopharmaceuticals with new 3D-printed chromatographic processes, advanced analytics and computer-aided process design tools
oaire.awardTitleAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
oaire.awardTitleAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Investigador FCT/IF%2F01016%2F2014%2FCP1224%2FCT0003/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FCTM-CTM%2F30326%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/SFRH%2FBPD%2F103533%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/PD%2FBD%2F142951%2F2018/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50006%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F50006%2F2020/PT
oaire.citation.issue1pt_PT
oaire.citation.startPage107065pt_PT
oaire.citation.titleJournal of Environmental Chemical Engineeringpt_PT
oaire.citation.volume10pt_PT
oaire.fundingStreamInvestigador FCT
oaire.fundingStream3599-PPCDT
oaire.fundingStreamOE
oaire.fundingStreamOE
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameSurra
person.givenNameElena
person.identifier.ciencia-id461F-CB6C-8A72
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project.funder.nameFundação para a Ciência e a Tecnologia
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rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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