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Mapping circular economy practices for steel, cement, glass, brick, insulation, and wood: a review for climate mitigation modeling

2024-06Journal article Open access
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dc.contributor.authorLima, Ana Teresa
dc.contributor.authorKirkelund, Gunvor Marie
dc.contributor.authorLu, Zheng
dc.contributor.authorMao, Ruichang
dc.contributor.authorKunther, Wolfgang
dc.contributor.authorRode, Carsten
dc.contributor.authorSlabik, Simon
dc.contributor.authorHafner, Annette
dc.contributor.authorSameer, Husam
dc.contributor.authorDürr, Hans H.
dc.contributor.authorFlörke, Martina
dc.contributor.authorLowe, Benjamin H.
dc.contributor.authorAloini, Davide
dc.contributor.authorZerbino, Pierluigi
dc.contributor.authorSimoes, Sofia
dc.date.accessioned2024-07-10T10:34:32Z
dc.date.available2024-07-10T10:34:32Z
dc.date.issued2024-06
dc.description.abstractABSTRACT: Circular economy (CE) practices pave the way for the construction sector to become less material- and carbon-intensive. However, for CE quantification by climate mitigation models, one must first identify the CE practices along a product (or material) value chain. In this review, CE practices are mapped for the value chain of 6 construction materials to understand how these practices influence and can be considered in climate mitigation modelling. The main sub-categories of steel, cement, glass, clay-brick, insulation materials, and wood were used to identify which Rs are currently addressed at the lab and industrial scales: refuse, reduce, rethink, repair, reuse, remanufacture, refurbish, repurpose, recycle, and recover. The CE practices were reviewed using scientific repositories and grey literature, validated by European-wide stakeholders, and mapped across the life-cycle stages of the six materials – extraction, manufacturing, use, and end-of-life (EoL). The mapping was limited to the manufacturing and EoL stages because materials could be identified at these stages (the extraction phase pertains to resources, and the use phase to a product, for example, buildings). All reviewed CE practices identified at the industrial scale were quantified at the European level. For example, EoL reinforcement steel is 1–11 % reused and 70–95 % recycled; manufacturing CEM I is up to 60 % reduced; remanufacturing flat glass is 26 % remanufactured while less than 5 % EoL flat glass is recycled. A major barrier to closed-loop recycling is the need for sorting and separation technologies. Open-loop recycling synergies are found at the industrial scale between, for example, flat glass and glass wool value chains. Climate mitigation models are proposed to be augmented to include these practices requiring an explicit link between building use and the other construction materials' value chain stages.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationLima, A.T.M., Kirkelund, G. V., Lu, Z., Mao, R., Kunther, W., Rode, C., Slabik, S., Hafner, A., Sameer, H., Dürr, H. H., Flörke, M., Lowe, B.H., Aloini, D., Zerbino, P. & Simoes, S.G. (2024) Mapping circular economy practices for steel, cement, glass, brick, insulation, and wood: a review for climate mitigation modeling. In: Renewable and Sustainable Energy Reviews, 2024, vol. 202, article nº 114697. https://doi.org/10.1016/j.rser.2024.114697pt_PT
dc.identifier.doi10.1016/j.rser.2024.114697pt_PT
dc.identifier.issn1364-0321
dc.identifier.urihttp://hdl.handle.net/10400.9/4311
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationCO2NSTRUCT project, grant agreement number 101056862pt_PT
dc.relation.publisherversionhttps://doi.org/10.1016/j.rser.2024.114697pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectCircular economypt_PT
dc.subjectClimate mitigationpt_PT
dc.subjectConstruction materialspt_PT
dc.subjectBuildingspt_PT
dc.titleMapping circular economy practices for steel, cement, glass, brick, insulation, and wood: a review for climate mitigation modelingpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleRenewable and Sustainable Energy Reviewspt_PT
oaire.citation.volume202pt_PT
person.familyNameMaçãs Lima
person.familyNameKirkelund
person.familyNameLu
person.familyNameKunther
person.familyNameSlabik
person.familyNameHafner
person.familyNameSameer
person.familyNameLowe
person.familyNameZerbino
person.familyNameSimoes
person.givenNameAna Teresa
person.givenNameGunvor Marie
person.givenNameZheng
person.givenNameWolfgang
person.givenNameSimon
person.givenNameAnnette
person.givenNameHusam
person.givenNameBenjamin
person.givenNamePierluigi
person.givenNameSofia
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person.identifier.ridA-8719-2011
person.identifier.ridI-9232-2012
person.identifier.ridAAB-6255-2019
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person.identifier.scopus-author-id23492832300
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rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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