Exploring the Potential for Utilization of Medium and Highly Sulfidic Mine Tailings in Construction Materials: A Review

Medium and highly sulfidic tailings are high-volume wastes that can lead to severe environmental damage if not properly managed. Due to the high content of sulfide minerals, these tailings can undergo weathering if put in contact with oxygen and water, generating acid mine drainage (AMD). The modera...

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Autores principales:	Natalia Pires Martins, Sumit Srivastava, Francisco Veiga Simão, He Niu, Priyadharshini Perumal, Ruben Snellings, Mirja Illikainen, Hilde Chambart, Guillaume Habert
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	valorization calcium sulfoaluminate cement ceramics alkali-activated materials aggregates Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/1500ee707e294e7da76392e7aea816ff
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spelling	oai:doaj.org-article:1500ee707e294e7da76392e7aea816ff2021-11-11T19:46:09ZExploring the Potential for Utilization of Medium and Highly Sulfidic Mine Tailings in Construction Materials: A Review10.3390/su1321121502071-1050https://doaj.org/article/1500ee707e294e7da76392e7aea816ff2021-11-01T00:00:00Zhttps://www.mdpi.com/2071-1050/13/21/12150https://doaj.org/toc/2071-1050Medium and highly sulfidic tailings are high-volume wastes that can lead to severe environmental damage if not properly managed. Due to the high content of sulfide minerals, these tailings can undergo weathering if put in contact with oxygen and water, generating acid mine drainage (AMD). The moderate-to-high sulfide content is also an important technical limitation for their implementation in the production of construction materials. This paper reviews the use of sulfidic tailings as raw material in construction products, with a focus on cement, concrete, and ceramics. When used as aggregates in concrete, this can lead to concrete degradation by internal sulfate attack. In building ceramics, their implementation without prior treatment is undesirable due to the formation of black reduction core, efflorescence, SO<sub>x</sub> emissions, and their associated costs. Moreover, their intrinsic low reactivity represents a barrier for their use as supplementary cementitious materials (SCMs) and as precursors for alkali-activated materials (AAMs). Nevertheless, the production of calcium sulfoaluminate (CSA) cement can be a suitable path for the valorization of medium and highly sulfidic tailings. Otherwise difficult to upcycle, sulfidic tailings could be used in the clinker raw meal as an alternative raw material. Not only the SO<sub>3</sub> and SiO<sub>2</sub>-rich bulk material is incorporated into reactive clinker phases, but also some minor constituents in the tailings may contribute to the production of such low-CO<sub>2</sub> cements at lower temperatures. Nevertheless, this valorization route remains poorly explored and demands further research.Natalia Pires MartinsSumit SrivastavaFrancisco Veiga SimãoHe NiuPriyadharshini PerumalRuben SnellingsMirja IllikainenHilde ChambartGuillaume HabertMDPI AGarticlevalorizationcalcium sulfoaluminate cementceramicsalkali-activated materialsaggregatesEnvironmental effects of industries and plantsTD194-195Renewable energy sourcesTJ807-830Environmental sciencesGE1-350ENSustainability, Vol 13, Iss 12150, p 12150 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	valorization calcium sulfoaluminate cement ceramics alkali-activated materials aggregates Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350
spellingShingle	valorization calcium sulfoaluminate cement ceramics alkali-activated materials aggregates Environmental effects of industries and plants TD194-195 Renewable energy sources TJ807-830 Environmental sciences GE1-350 Natalia Pires Martins Sumit Srivastava Francisco Veiga Simão He Niu Priyadharshini Perumal Ruben Snellings Mirja Illikainen Hilde Chambart Guillaume Habert Exploring the Potential for Utilization of Medium and Highly Sulfidic Mine Tailings in Construction Materials: A Review
description	Medium and highly sulfidic tailings are high-volume wastes that can lead to severe environmental damage if not properly managed. Due to the high content of sulfide minerals, these tailings can undergo weathering if put in contact with oxygen and water, generating acid mine drainage (AMD). The moderate-to-high sulfide content is also an important technical limitation for their implementation in the production of construction materials. This paper reviews the use of sulfidic tailings as raw material in construction products, with a focus on cement, concrete, and ceramics. When used as aggregates in concrete, this can lead to concrete degradation by internal sulfate attack. In building ceramics, their implementation without prior treatment is undesirable due to the formation of black reduction core, efflorescence, SO<sub>x</sub> emissions, and their associated costs. Moreover, their intrinsic low reactivity represents a barrier for their use as supplementary cementitious materials (SCMs) and as precursors for alkali-activated materials (AAMs). Nevertheless, the production of calcium sulfoaluminate (CSA) cement can be a suitable path for the valorization of medium and highly sulfidic tailings. Otherwise difficult to upcycle, sulfidic tailings could be used in the clinker raw meal as an alternative raw material. Not only the SO<sub>3</sub> and SiO<sub>2</sub>-rich bulk material is incorporated into reactive clinker phases, but also some minor constituents in the tailings may contribute to the production of such low-CO<sub>2</sub> cements at lower temperatures. Nevertheless, this valorization route remains poorly explored and demands further research.
format	article
author	Natalia Pires Martins Sumit Srivastava Francisco Veiga Simão He Niu Priyadharshini Perumal Ruben Snellings Mirja Illikainen Hilde Chambart Guillaume Habert
author_facet	Natalia Pires Martins Sumit Srivastava Francisco Veiga Simão He Niu Priyadharshini Perumal Ruben Snellings Mirja Illikainen Hilde Chambart Guillaume Habert
author_sort	Natalia Pires Martins
title	Exploring the Potential for Utilization of Medium and Highly Sulfidic Mine Tailings in Construction Materials: A Review
title_short	Exploring the Potential for Utilization of Medium and Highly Sulfidic Mine Tailings in Construction Materials: A Review
title_full	Exploring the Potential for Utilization of Medium and Highly Sulfidic Mine Tailings in Construction Materials: A Review
title_fullStr	Exploring the Potential for Utilization of Medium and Highly Sulfidic Mine Tailings in Construction Materials: A Review
title_full_unstemmed	Exploring the Potential for Utilization of Medium and Highly Sulfidic Mine Tailings in Construction Materials: A Review
title_sort	exploring the potential for utilization of medium and highly sulfidic mine tailings in construction materials: a review
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/1500ee707e294e7da76392e7aea816ff
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Exploring the Potential for Utilization of Medium and Highly Sulfidic Mine Tailings in Construction Materials: A Review

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