Laser-Induced Surface Vitrification for the Sustainable Stabilization of Copper Tailings

This study introduces CO2 laser surface vitrification as an innovative method for managing copper mining tailings, offering a sustainable solution to critical challenges in mineral processing. This technique transforms tailings into a stable and impermeable layer, immobilizing hazardous metals conta...

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Autores: Sáez-Navarrete, César, Baraza, Xavier, Ramos-Grez, Jorge, Sans Mazón, Carme, Arauzo, Claudia, Coca, Yoandy
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/221992
Acceso en línea:https://hdl.handle.net/2445/221992
Access Level:acceso abierto
Palabra clave:Protecció ambiental
Vitrificació
Residus perillosos
Environmental protection
Vitrification
Hazardous wastes
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spelling Laser-Induced Surface Vitrification for the Sustainable Stabilization of Copper TailingsSáez-Navarrete, CésarBaraza, XavierRamos-Grez, JorgeSans Mazón, CarmeArauzo, ClaudiaCoca, YoandyProtecció ambientalVitrificacióResidus perillososEnvironmental protectionVitrificationHazardous wastesThis study introduces CO2 laser surface vitrification as an innovative method for managing copper mining tailings, offering a sustainable solution to critical challenges in mineral processing. This technique transforms tailings into a stable and impermeable layer, immobilizing hazardous metals contained within them. By achieving vitrification at the surface level and operating at temperatures around 1200 °C, the process significantly reduces energy consumption compared to traditional vitrification methods, making it suitable for large-scale applications in remote mining sites. Detailed geochemical and mechanical analyses confirmed the formation of a dense vitreous matrix with high hardness (7.19–7.48 GPa) and reduced permeability, ensuring compliance with stringent environmental regulations. However, the brittle nature of the vitrified layer underscores the need for further research to enhance mechanical resilience. This work positions CO2 laser vitrification as a transformative approach for integrating energy-efficient technologies into mineral processing, addressing key environmental concerns while advancing the sustainable management of mining waste.MDPI2025202520252025info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersion17 p.application/pdfhttps://hdl.handle.net/2445/221992Articles publicats en revistes (Enginyeria Química i Química Analítica)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésReproducció del document publicat a: https://doi.org/10.3390/su17135676Sustainability, 2025, vol. 17https://doi.org/10.3390/su17135676cc-by (c) Sáez-Navarrete, C. et al., 2025http://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:recercat.cat:2445/2219922026-05-29T05:05:01Z
dc.title.none.fl_str_mv Laser-Induced Surface Vitrification for the Sustainable Stabilization of Copper Tailings
title Laser-Induced Surface Vitrification for the Sustainable Stabilization of Copper Tailings
spellingShingle Laser-Induced Surface Vitrification for the Sustainable Stabilization of Copper Tailings
Sáez-Navarrete, César
Protecció ambiental
Vitrificació
Residus perillosos
Environmental protection
Vitrification
Hazardous wastes
title_short Laser-Induced Surface Vitrification for the Sustainable Stabilization of Copper Tailings
title_full Laser-Induced Surface Vitrification for the Sustainable Stabilization of Copper Tailings
title_fullStr Laser-Induced Surface Vitrification for the Sustainable Stabilization of Copper Tailings
title_full_unstemmed Laser-Induced Surface Vitrification for the Sustainable Stabilization of Copper Tailings
title_sort Laser-Induced Surface Vitrification for the Sustainable Stabilization of Copper Tailings
dc.creator.none.fl_str_mv Sáez-Navarrete, César
Baraza, Xavier
Ramos-Grez, Jorge
Sans Mazón, Carme
Arauzo, Claudia
Coca, Yoandy
author Sáez-Navarrete, César
author_facet Sáez-Navarrete, César
Baraza, Xavier
Ramos-Grez, Jorge
Sans Mazón, Carme
Arauzo, Claudia
Coca, Yoandy
author_role author
author2 Baraza, Xavier
Ramos-Grez, Jorge
Sans Mazón, Carme
Arauzo, Claudia
Coca, Yoandy
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Protecció ambiental
Vitrificació
Residus perillosos
Environmental protection
Vitrification
Hazardous wastes
topic Protecció ambiental
Vitrificació
Residus perillosos
Environmental protection
Vitrification
Hazardous wastes
description This study introduces CO2 laser surface vitrification as an innovative method for managing copper mining tailings, offering a sustainable solution to critical challenges in mineral processing. This technique transforms tailings into a stable and impermeable layer, immobilizing hazardous metals contained within them. By achieving vitrification at the surface level and operating at temperatures around 1200 °C, the process significantly reduces energy consumption compared to traditional vitrification methods, making it suitable for large-scale applications in remote mining sites. Detailed geochemical and mechanical analyses confirmed the formation of a dense vitreous matrix with high hardness (7.19–7.48 GPa) and reduced permeability, ensuring compliance with stringent environmental regulations. However, the brittle nature of the vitrified layer underscores the need for further research to enhance mechanical resilience. This work positions CO2 laser vitrification as a transformative approach for integrating energy-efficient technologies into mineral processing, addressing key environmental concerns while advancing the sustainable management of mining waste.
publishDate 2025
dc.date.none.fl_str_mv 2025
2025
2025
2025
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/2445/221992
url https://hdl.handle.net/2445/221992
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/10.3390/su17135676
Sustainability, 2025, vol. 17
https://doi.org/10.3390/su17135676
dc.rights.none.fl_str_mv cc-by (c) Sáez-Navarrete, C. et al., 2025
http://creativecommons.org/licenses/by/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by (c) Sáez-Navarrete, C. et al., 2025
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 17 p.
application/pdf
dc.publisher.none.fl_str_mv MDPI
publisher.none.fl_str_mv MDPI
dc.source.none.fl_str_mv Articles publicats en revistes (Enginyeria Química i Química Analítica)
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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