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Lignin-furanic rigid foams: Enhanced methylene blue removal capacity, recyclability, and flame retardancy

2024-11-27Journal article Open Access
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dc.contributor.authorDuarte, Hugo
dc.contributor.authorBrás, João
dc.contributor.authorSaoudi Hassani, El Mokhtar
dc.contributor.authorAliaño González, María José
dc.contributor.authorMagalhães, Solange
dc.contributor.authorAlves, Luís
dc.contributor.authorValente, Artur J. M.
dc.contributor.authorEivazi, Alireza
dc.contributor.authorNorgren, Magnus
dc.contributor.authorRomano, Anabela
dc.contributor.authorMedronho, Bruno
dc.date.accessioned2025-01-20T11:07:13Z
dc.date.available2025-01-20T11:07:13Z
dc.date.issued2024-11-27
dc.description.abstractWorldwide, populations face issues related to water and energy consumption. Water scarcity has intensified globally, particularly in arid and semiarid regions. Projections indicate that by 2030, global water demand will rise by 50%, leading to critical shortages, further intensified by the impacts of climate change. Moreover, wastewater treatment needs further development, given the presence of persistent organic pollutants, such as dyes and pharmaceuticals. In addition, the continuous increase in energy demand and rising prices directly impact households and businesses, highlighting the importance of energy savings through effective building insulation. In this regard, tannin-furanic foams are recognized as promising sustainable foams due to their fire resistance, low thermal conductivity, and high water and chemical stability. In this study, tannin and lignin rigid foams were explored not only for their traditional applications but also as versatile materials suitable for wastewater treatment. Furthermore, a systematic approach demonstrates the complete replacement of the tannin-furan foam phenol source with two lignins that mainly differ in molecular weight and pH, as well as how these parameters affect the rigid foam structure and methylene blue (MB) removal capacity. Alkali-lignin-based foams exhibited notable MB adsorption capacity (220 mg g−1), with kinetic and equilibrium data analysis suggesting a multilayer adsorption process. The prepared foams demonstrated the ability to be recycled for at least five adsorption-desorption cycles and exhibited effective flame retardant properties. When exposed to a butane flame for 5 min, the foams did not release smoke or ignite, nor did they contribute to flame propagation, with the red glow dissipating only 20 s after flame exposure.eng
dc.description.sponsorshipALG-01-0145-FEDER-030619; POCI-01-0145-FEDER-030619; CEECIND/01014/2018/CP1540/CT0002;
dc.identifier.doi10.3390/polym16233315
dc.identifier.issn2073-4360
dc.identifier.urihttp://hdl.handle.net/10400.1/26654
dc.language.isoeng
dc.peerreviewedyes
dc.publisherMDPI
dc.relationREviving AgroFLOrestal RESidues: From Intermolecular Interactions in Natural Polyphenols to Novel Biomaterials of Added Value.
dc.relationFrom Forest to Crops: Development of sustainable bio-based emulsifiers and fungicides for crops protection.
dc.relationMaking water cleaner: Development of novel lignocellulose-based systems for the removal of microplastics from aqueous media
dc.relationCoimbra Chemistry Center
dc.relation.ispartofPolymers
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectLignin
dc.subjectPolyphenols
dc.subjectTannins
dc.subjectWater Treatment
dc.subjectBiobased materials
dc.subjectFoams
dc.subjectMethylene blue
dc.titleLignin-furanic rigid foams: Enhanced methylene blue removal capacity, recyclability, and flame retardancyeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleREviving AgroFLOrestal RESidues: From Intermolecular Interactions in Natural Polyphenols to Novel Biomaterials of Added Value.
oaire.awardTitleFrom Forest to Crops: Development of sustainable bio-based emulsifiers and fungicides for crops protection.
oaire.awardTitleMaking water cleaner: Development of novel lignocellulose-based systems for the removal of microplastics from aqueous media
oaire.awardTitleCoimbra Chemistry Center
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Concurso para Financiamento de Projetos de Investigação Científica e Desenvolvimento Tecnológico em Todos os Domínios Científicos - 2017/PTDC%2FASP-SIL%2F30619%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND4ed/2021.00399.CEECIND%2FCP1656%2FCT0025/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//2020.07638.BD/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00313%2F2020/PT
oaire.citation.issue23
oaire.citation.startPage3315
oaire.citation.titlePolymers
oaire.citation.volume16
oaire.fundingStreamConcurso para Financiamento de Projetos de Investigação Científica e Desenvolvimento Tecnológico em Todos os Domínios Científicos - 2017
oaire.fundingStreamCEEC IND4ed
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameDuarte
person.familyNameBrás
person.familyNameAliaño González
person.familyNameRomano
person.familyNameMedronho
person.givenNameHugo
person.givenNameJoão
person.givenNameMaría José
person.givenNameAnabela
person.givenNameBruno
person.identifier456042
person.identifier.ciencia-id8416-555E-B56F
person.identifier.ciencia-idDD17-3640-DB88
person.identifier.ciencia-id8A18-7E9A-3B0E
person.identifier.ciencia-id6918-9AB3-8D22
person.identifier.orcid0000-0001-6461-3541
person.identifier.orcid0000-0002-6843-6500
person.identifier.orcid0000-0002-5816-4476
person.identifier.orcid0000-0002-7204-7428
person.identifier.orcid0000-0003-0972-1739
person.identifier.ridP-5927-2014
person.identifier.scopus-author-id57200221253
person.identifier.scopus-author-id56249997600
person.identifier.scopus-author-id9940656700
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
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
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
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