Potential of tungsten tailings as glass raw materials

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dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Minera, Industrial i TIC
dc.contributor	Universitat Politècnica de Catalunya. GREMS - Grup de Recerca en Mineria Sostenible
dc.contributor.author	Alfonso Abella, María Pura
dc.contributor.author	Tomasa Guix, Oriol
dc.contributor.author	García-Vallès, Maite
dc.contributor.author	Tarragó Aymerich, Mariona
dc.contributor.author	Martínez Manent, Salvador
dc.coverage.spatial	east=-6.666385600000012; north=41.07248450000001; name=37255 Barruecopardo, Salamanca, Espanya
dc.coverage.spatial	east=-5.6997135999999955; north=40.8068118; name=37183 Morille, Salamanca, Espanya
dc.coverage.spatial	east=-7.7571499000000586; north=40.1691481; name=Panasqueira, 6225 Covilha, Portugal
dc.date	2018-10-01
dc.identifier.citation	Alfonso, P., Tomasa, O., García-Vallès, M., Tarrago, M., Martínez, S. Potential of tungsten tailings as glass raw materials. "Materials letters", 1 Octubre 2018, vol. 228, núm. October 2018, p. 456-458.
dc.identifier.citation	0167-577X
dc.identifier.citation	10.1016/j.matlet.2018.06.098
dc.identifier.uri	http://hdl.handle.net/2117/121365
dc.description.abstract	Glasses from different types of tungsten mine tailings were obtained and studied to determine their ability to be used as raw materials of commercial glass. Tailings of granitic composition from Barruecopardo, of calc-silicate wastes from Morille, and of schists and quartz from Panasqueira, were used as raw materials. The addition of CaCO3 and NaCO3 was necessary for the manufacture of the glass. Samples were characterised by XRF, XRD, HSM and DTA-TG. Furthermore, the expansion coefficient, Vickers microhardness and leaching properties were measured. The results show that all the tungsten mine tailings used were suitable for the manufacture of commercial glass, with the addition of calcium and soda. The calc-silicate tailing needs less additive content to produce a glass. Also, they present lower workability temperatures and higher durability. Glasses obtained from all the tested tailings retain the potentially toxic elements in their structure and prevents the environmental pollution.
dc.description.abstract	Peer Reviewed
dc.language.iso	eng
dc.relation	https://www.sciencedirect.com/science/article/pii/S0167577X18310036
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Enginyeria civil::Enginyeria de mines::Explotació de mines
dc.subject	Tungsten
dc.subject	Raw materials
dc.subject	Glass
dc.subject	Recycling
dc.subject	Tailings
dc.subject	Tungsten
dc.subject	Glass
dc.subject	Tungstè
dc.subject	Matèries primeres
dc.subject	Vidre
dc.title	Potential of tungsten tailings as glass raw materials
dc.type	info:eu-repo/semantics/submittedVersion
dc.type	info:eu-repo/semantics/article

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