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Promoting sustainability: wastewater treatment plants as a source of biomethane in regions far from a high-pressure grid: a real portuguese case study

2021-08Journal article Open access
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dc.contributor.authorBaena Moreno, Francisco Manuel
dc.contributor.authorMalico, Isabel
dc.contributor.authorMarques, Isabel Paula
dc.date.accessioned2021-11-24T15:28:39Z
dc.date.available2021-11-24T15:28:39Z
dc.date.issued2021-08
dc.description.abstractABSTRACT: Wastewater treatment plants (WWTP) located in regions far from a high-pressure grid can produce renewable biomethane, which can partially substitute the natural gas locally consumed. However, the economic viability of implementing biomethane plants in WWTP has to be guaranteed. This paper uses the discount cash flow method to analyze the economic viability of producing biomethane in a WWTP located in evora (Portugal). The results show that, under the current conditions, it is unprofitable to produce biomethane in this WWTP. Since selling the CO2 separated from biogas may result in an additional income, this option was also considered. In this case, a price of 46 EUR/t CO2 has to be paid to make the project viable. Finally, the impact of potential government incentives in the form of feed-in premia was investigated. Without selling CO2, the project would only be profitable for feed-in premia above 55.5 EUR/MWh. If all the CO2 produced was sold at 30 EUR/t CO2, a premium price of 20 EUR/MWh would make the project profitable. This study shows that the economic attractiveness of producing biomethane in small WWTP is only secured through sufficient financial incentives, which are vital for developing the biomethane market with all its associated advantages.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBaena-Moreno, Francisco M... [et.al.] - Promoting sustainability: wastewater treatment plants as a source of biomethane in regions far from a high-pressure grid: a real portuguese case study. In: Sustainability, 2021, Vol. 13(16), article nº 8933pt_PT
dc.identifier.doi10.3390/su13168933pt_PT
dc.identifier.eissn2071-1050
dc.identifier.urihttp://hdl.handle.net/10400.9/3617
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationAssociate Laboratory of Energy, Transports and Aeronautics
dc.relation.publisherversionhttps://doi.org/10.3390/su13168933pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectBiogaspt_PT
dc.subjectBioenergypt_PT
dc.subjectBiomethanept_PT
dc.subjectWastewater treatmentpt_PT
dc.titlePromoting sustainability: wastewater treatment plants as a source of biomethane in regions far from a high-pressure grid: a real portuguese case studypt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAssociate Laboratory of Energy, Transports and Aeronautics
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50022%2F2020/PT
oaire.citation.issue16pt_PT
oaire.citation.titleSustainabilitypt_PT
oaire.citation.volume13pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameBaena Moreno
person.familyNameMalico
person.familyNameIsabel
person.givenNameFrancisco Manuel
person.givenNameIsabel
person.givenNameMarques
person.identifier.ciencia-idCB1D-2BD0-2D35
person.identifier.ciencia-idD012-2542-2868
person.identifier.orcid0000-0002-6741-3614
person.identifier.orcid0000-0002-9764-6830
person.identifier.orcid0000-0003-4607-2723
person.identifier.ridK-4731-2012
person.identifier.ridI-7291-2017
person.identifier.scopus-author-id57204921860
person.identifier.scopus-author-id6602589552
person.identifier.scopus-author-id7003361809
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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