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Carbon footprint assessment of microalgal biomass production, hydrothermal liquefaction and refining to sustainable aviation fuel (SAF) in mainland Portugal

2024-11Journal article Open access
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dc.contributor.authorPires, Renata
dc.contributor.authorSilva, Tiago
dc.contributor.authorRibeiro, Cláudia
dc.contributor.authorCosta, Luis
dc.contributor.authorMatos, Cristina T.
dc.contributor.authorCosta, Paula
dc.contributor.authorLopes, Tiago
dc.contributor.authorGírio, Francisco
dc.contributor.authorSilva, Carla
dc.date.accessioned2024-11-26T10:21:04Z
dc.date.available2024-11-26T10:21:04Z
dc.date.issued2024-11
dc.description.abstractABSTRACT: Industrial liquid effluents (e.g., from fertilizer industry) and flue gas streams (e.g., CO2-rich, from cement industry) arise as an opportunity for waste valorization. Microalgae are suitable biomass for assimilating both effluents at the cultivation stage. Under a biorefinery concept, given the urge for energy transition in the aviation sector, this research explores the transformation of a microalgae consortium grown at an industrial site in Portugal and its subsequent harvesting, hydrothermal liquefaction (HTL), and bio-oil refining. A life cycle assessment (LCA) approach is undertaken with two functional units (FU): 1 kg of microalgae dry-cell weight (dw) and 1 MJ of bio-jet fuel. The latter follows an attributional approach with energy allocation for comparison with the Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA) guidelines. HTL is based on data from bench-scale experiments and literature, whereby the Petroleum Refinery Life Cycle Inventory Model (PRELIM) is used to mimic bio-oil refining. Following this approach, achieving Sustainable Aviation Fuel (SAF) compliance requires net-zero electricity (0 gCO2eq/kWh), with an HTL bio-oil yield of 55.6 % dw (the maximum observed), a minimum refining bio-jet fuel yield of at least 16 %. Alternatively, an HTL bio-oil yield of 36.9 % dw (the median observed) with a refining efficiency of at least 24.3 %.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPires, R., Silva, T., Ribeiro, C., Costa, L., Matos, C.T., Costa, P., Lopes, T., Gírio, F. & Silva, C. (2024) Carbon footprint assessment of microalgal biomass production, hydrothermal liquefaction and refining to sustainable aviation fuel (SAF) in mainland Portugal. In: Algal Research, 2024, vol. 84, article nº 103799. https://doi.org/10.1016/j.algal.2024.103799pt_PT
dc.identifier.doi10.1016/j.algal.2024.103799pt_PT
dc.identifier.issn2211-9264
dc.identifier.urihttp://hdl.handle.net/10400.9/4386
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationMove2LowC project nº 46117pt_PT
dc.relationInstituto Dom Luiz
dc.relationInstituto Dom Luiz
dc.relation.publisherversionhttps://doi.org/10.1016/j.algal.2024.103799pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectMicroalgal biomasspt_PT
dc.subjectEffluent treatmentpt_PT
dc.subjectWaste valorizationpt_PT
dc.subjectCircular economypt_PT
dc.titleCarbon footprint assessment of microalgal biomass production, hydrothermal liquefaction and refining to sustainable aviation fuel (SAF) in mainland Portugalpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleInstituto Dom Luiz
oaire.awardTitleInstituto Dom Luiz
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50019%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F50019%2F2020/PT
oaire.citation.titleAlgal Researchpt_PT
oaire.citation.volume84pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameSilva
person.familyNameCosta
person.familyNameCosta
person.familyNameLopes
person.familyNameFERREIRA GIRIO
person.familyNamesilva
person.givenNameTiago
person.givenNameLuis
person.givenNamePaula
person.givenNameTiago
person.givenNameFRANCISCO MANUEL
person.givenNamecarla
person.identifier.ciencia-idE418-9EE4-9BB4
person.identifier.ciencia-id5216-BE63-6CA9
person.identifier.ciencia-id2A1B-0AB6-B0FB
person.identifier.ciencia-idD51D-09A4-A2DC
person.identifier.ciencia-idE611-8996-D1BA
person.identifier.orcid0000-0003-0120-557X
person.identifier.orcid0000-0003-0230-7447
person.identifier.orcid0000-0003-2024-4267
person.identifier.orcid0000-0002-9720-8777
person.identifier.orcid0000-0002-5376-8430
person.identifier.orcid0000-0002-1439-9214
person.identifier.ridP-6395-2015
person.identifier.ridA-4724-2012
person.identifier.scopus-author-id23388409800
person.identifier.scopus-author-id55355899800
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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