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Liquefaction optimization of Crataegus monogyna Jacq

2024-03Conference object Open access
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dc.contributor.authorDulyanska, Y
dc.contributor.authorCruz-Lopes, Luísa
dc.contributor.authorEsteves, Bruno
dc.contributor.authorDomingos, Idalina
dc.contributor.authorFerreira, José
dc.contributor.authorGuiné, Raquel
dc.contributor.authorGonçalves, Fernando Jorge
dc.contributor.authorCarvalho, L B
dc.contributor.authorBarroca, M J
dc.date.accessioned2024-05-14T11:04:46Z
dc.date.available2024-05-14T11:04:46Z
dc.date.issued2024-03
dc.description.abstractThe objective of this work was to evaluate the potentiality of Crataegus monogyna Jacq. residues to be liquefied by polyhydric alcohols and the chemical transformations observed in this process with subsequent use to produce polyurethane foams. The variations on liquefaction yield were determined at different temperature, time, material/solvent ratio and granulometry. Results show that liquefaction performed at 180 °C with a 1:10 material/solvent ratio increases along time, reaching a maximum at 60 min. Similarly, liquefactions made during 60 min with a 1:10 material/solvent ratio show that there is an increase in liquefaction yield with the increase in temperature until 180 °C. A higher temperature could increase the liquefaction yield but would lead to a higher energy consumption in the process. There seems to be no significative advantage in increasing material/solvent ratio above 1:7, although the liquefaction yield increases for higher ratios. Granulometry testing shows that the smaller the particle the best is the liquefaction percentage. It was concluded that the best liquefaction yield, of approximately 81%, was obtained with a temperature of 180 °C, for 60 min and particle size <80 mesh for Crataegus monogyna Jacq. This material has good properties to be converted in a liquid mixture that can be used later, on the production of polyurethane foams.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationDulyanska Y, Cruz-Lopes L, Esteves B, Domingos I, Ferreira J, Guiné RPF, Gonçalves FJ, Carvalho LB, Barroca MJ. (2024) Liquefaction optimization of Crataegus monogyna Jacq., in Proceedings of the 1525th International Conference on Science, Engineering & Technology, Bruxelas, Bélgica, pp. 1-4.pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.19/8386
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.subjectCrataegus monogynapt_PT
dc.subjectEcovalorisationpt_PT
dc.subjectResiduespt_PT
dc.subjectLiquefactionpt_PT
dc.titleLiquefaction optimization of Crataegus monogyna Jacqpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceBruxelas, Bélgicapt_PT
oaire.citation.endPage4pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleInternational Conference on Science, Engineering & Technologypt_PT
person.familyNameGonçalves Oliveira Valente da Cruz-Lopes
person.familyNameEsteves
person.familyNameDomingos
person.familyNameFerreira
person.familyNamede Pinho Ferreira Guiné
person.familyNameGonçalves
person.givenNameLuísa Paula
person.givenNameBruno
person.givenNameidalina
person.givenNameJosé
person.givenNameRaquel
person.givenNameFernando Jorge
person.identifier2119255
person.identifierhttps://scholar.google.pt/citations?user=abFDovIAAAAJ&hl=pt-PT
person.identifier.ciencia-id7916-0833-5B38
person.identifier.ciencia-id521B-63A7-B248
person.identifier.ciencia-id7116-E1DE-88E7
person.identifier.ciencia-idB81E-BE45-E128
person.identifier.ciencia-id8B13-5492-0F23
person.identifier.ciencia-id3F15-AFBD-6549
person.identifier.orcid0000-0001-6502-7202
person.identifier.orcid0000-0001-6660-3128
person.identifier.orcid0000-0002-4308-1563
person.identifier.orcid0000-0001-7596-8065
person.identifier.orcid0000-0003-0595-6805
person.identifier.orcid0000-0001-7770-8056
person.identifier.ridC-2173-2012
person.identifier.scopus-author-id57202554441
person.identifier.scopus-author-id24281086400
person.identifier.scopus-author-id18133647300
person.identifier.scopus-author-id6603138390
person.identifier.scopus-author-id57022361800
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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