High-porosity alkali-activated binders based on glass and aluminium recycling industry waste.

The potential as alkali-activated precursors of ceramic-stone-porcelain (CSP) and PAVAL, two residues derived from the optical separation of glass cullet and salt slag from secondary aluminium recycling, has been assessed. Alkali-activated CSP and PAVAL binders' formulations were prepared using...

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Detalles Bibliográficos
Autores: Maldonado Alameda, Alex, Mañosa Bover, Jofre, López-Montero, Teresa, Catalán Parra, R., Chimenos Ribera, Josep Ma.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2023
País:España
Institución:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/206714
Acceso en línea:https://hdl.handle.net/2445/206714
Access Level:acceso abierto
Palabra clave:Alumini
Porositat
Porcellana
Aluminum
Porosity
Porcelain
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spelling High-porosity alkali-activated binders based on glass and aluminium recycling industry waste.Maldonado Alameda, AlexMañosa Bover, JofreLópez-Montero, TeresaCatalán Parra, R.Chimenos Ribera, Josep Ma.AluminiPorositatPorcellanaAluminumPorosityPorcelainThe potential as alkali-activated precursors of ceramic-stone-porcelain (CSP) and PAVAL, two residues derived from the optical separation of glass cullet and salt slag from secondary aluminium recycling, has been assessed. Alkali-activated CSP and PAVAL binders' formulations were prepared using NaOH 4 M and 6 M as alkaline activator solutions. The effect of the Na2O/Al2O3 ratio and alkaline activator concentration was evaluated from a chemical, physical, mechanical, and environmental perspective. The results revealed the formation of secondary reaction products attributed to the formation of (C,N)-A-S-H gels. It also showed the influence of decreasing Na2O/Al2O3 ratio in the obtained binders, increasing porosity and affecting the mechanical performance. Besides, it was demonstrated that PAVAL acts as a precursor and pore-generator. Finally, the environmental characterisation showed a significant leaching concentration of heavy metal(loid)s such as As, Cr, Mo, Sb, and Se, which decreases with longer curing periods.Elsevier2023info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2445/206714Articles publicats en revistes (Ciència dels Materials i Química Física)reponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglésReproducció del document publicat a: https://doi.org/10.1016/j.conbuildmat.2023.132741Construction and Building Materials, 2023, vol. 400, p. 1-11https://doi.org/10.1016/j.conbuildmat.2023.132741cc-by-nc-nd (c) Maldonado Alameda, Alex et al., 2023http://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/2067142026-05-27T06:46:51Z
dc.title.none.fl_str_mv High-porosity alkali-activated binders based on glass and aluminium recycling industry waste.
title High-porosity alkali-activated binders based on glass and aluminium recycling industry waste.
spellingShingle High-porosity alkali-activated binders based on glass and aluminium recycling industry waste.
Maldonado Alameda, Alex
Alumini
Porositat
Porcellana
Aluminum
Porosity
Porcelain
title_short High-porosity alkali-activated binders based on glass and aluminium recycling industry waste.
title_full High-porosity alkali-activated binders based on glass and aluminium recycling industry waste.
title_fullStr High-porosity alkali-activated binders based on glass and aluminium recycling industry waste.
title_full_unstemmed High-porosity alkali-activated binders based on glass and aluminium recycling industry waste.
title_sort High-porosity alkali-activated binders based on glass and aluminium recycling industry waste.
dc.creator.none.fl_str_mv Maldonado Alameda, Alex
Mañosa Bover, Jofre
López-Montero, Teresa
Catalán Parra, R.
Chimenos Ribera, Josep Ma.
author Maldonado Alameda, Alex
author_facet Maldonado Alameda, Alex
Mañosa Bover, Jofre
López-Montero, Teresa
Catalán Parra, R.
Chimenos Ribera, Josep Ma.
author_role author
author2 Mañosa Bover, Jofre
López-Montero, Teresa
Catalán Parra, R.
Chimenos Ribera, Josep Ma.
author2_role author
author
author
author
dc.subject.none.fl_str_mv Alumini
Porositat
Porcellana
Aluminum
Porosity
Porcelain
topic Alumini
Porositat
Porcellana
Aluminum
Porosity
Porcelain
description The potential as alkali-activated precursors of ceramic-stone-porcelain (CSP) and PAVAL, two residues derived from the optical separation of glass cullet and salt slag from secondary aluminium recycling, has been assessed. Alkali-activated CSP and PAVAL binders' formulations were prepared using NaOH 4 M and 6 M as alkaline activator solutions. The effect of the Na2O/Al2O3 ratio and alkaline activator concentration was evaluated from a chemical, physical, mechanical, and environmental perspective. The results revealed the formation of secondary reaction products attributed to the formation of (C,N)-A-S-H gels. It also showed the influence of decreasing Na2O/Al2O3 ratio in the obtained binders, increasing porosity and affecting the mechanical performance. Besides, it was demonstrated that PAVAL acts as a precursor and pore-generator. Finally, the environmental characterisation showed a significant leaching concentration of heavy metal(loid)s such as As, Cr, Mo, Sb, and Se, which decreases with longer curing periods.
publishDate 2023
dc.date.none.fl_str_mv 2023
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/206714
url https://hdl.handle.net/2445/206714
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció del document publicat a: https://doi.org/10.1016/j.conbuildmat.2023.132741
Construction and Building Materials, 2023, vol. 400, p. 1-11
https://doi.org/10.1016/j.conbuildmat.2023.132741
dc.rights.none.fl_str_mv cc-by-nc-nd (c) Maldonado Alameda, Alex et al., 2023
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by-nc-nd (c) Maldonado Alameda, Alex et al., 2023
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv Articles publicats en revistes (Ciència dels Materials i Química Física)
reponame:Dipòsit Digital de la UB
instname:Universidad de Barcelona
instname_str Universidad de Barcelona
reponame_str Dipòsit Digital de la UB
collection Dipòsit Digital de la UB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,198674

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