Kaolin from Acoculco (Puebla, Mexico) as a raw material: mineralogical and thermal characterization

The present study determined the mineralogy and thermal properties of kaolin from Acoculco (Puebla), at the eastern Trans-Mexican Volcanic Belt and compared it with the nearby deposits of Agua Blanca (Hidalgo) and Huayacocotla (Veracruz). The mineralogy of the kaolins was determined by X-ray diffrac...

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Autores: Garcia Vallès, Maite, Pi, T., Alfonso Abella, María Pura, Canet, C., Martínez Manent, Salvador, Jiménez-Franco, A., Tarragó Aymerich, Mariona, Hernández-Cruz, B.
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2015
País:España
Institución:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/96804
Acceso en línea:https://hdl.handle.net/2445/96804
Access Level:acceso abierto
Palabra clave:Mineralogia
Caolí
Puebla (Mèxic : Estat)
Mineralogy
Kaolin
Puebla (Mexico : State)
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spelling Kaolin from Acoculco (Puebla, Mexico) as a raw material: mineralogical and thermal characterizationGarcia Vallès, MaitePi, T.Alfonso Abella, María PuraCanet, C.Martínez Manent, SalvadorJiménez-Franco, A.Tarragó Aymerich, MarionaHernández-Cruz, B.MineralogiaCaolíPuebla (Mèxic : Estat)MineralogyKaolinPuebla (Mexico : State)The present study determined the mineralogy and thermal properties of kaolin from Acoculco (Puebla), at the eastern Trans-Mexican Volcanic Belt and compared it with the nearby deposits of Agua Blanca (Hidalgo) and Huayacocotla (Veracruz). The mineralogy of the kaolins was determined by X-ray diffraction, infrared spectroscopy and scanning electron microscopy. Thermal behaviour was studied by differential thermal analysis, dilatometry and hot-stage microscopy. The Acoculco deposit is composed mainly of kaolinite and SiO2 minerals. In the case of Agua Blanca and Huayacocotla, alunite is abundant in places and minor anatase is also present locally. The Acoculco kaolins are Fe-poor and relatively rich in some potentially toxic elements (Zr, Sb, Pb). They undergo a relatively small amount of shrinkage (∼3-4 vol.%), during firing at 20-1300°C and cooling down to 20°C, except when >10 wt.% alunite is present. These kaolins are a suitable raw material for the ceramics industry. Other applications (pharmaceuticals, cosmetics) would require an enrichment process to eliminate impurities such as Fe oxides.Mineralogical Society2015info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionapplication/pdfhttps://hdl.handle.net/2445/96804Articles publicats en revistes (Mineralogia, Petrologia i Geologia Aplicada)reponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglésVersió postprint del document publicat a: 10.1180/claymin.2015.050.3.12Clay Minerals, 2015, vol. 50, p. 405-416http://dx.doi.org/10.1180/claymin.2015.050.3.12(c) Mineralogical Society, 2015info:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/968042026-05-27T06:46:51Z
dc.title.none.fl_str_mv Kaolin from Acoculco (Puebla, Mexico) as a raw material: mineralogical and thermal characterization
title Kaolin from Acoculco (Puebla, Mexico) as a raw material: mineralogical and thermal characterization
spellingShingle Kaolin from Acoculco (Puebla, Mexico) as a raw material: mineralogical and thermal characterization
Garcia Vallès, Maite
Mineralogia
Caolí
Puebla (Mèxic : Estat)
Mineralogy
Kaolin
Puebla (Mexico : State)
title_short Kaolin from Acoculco (Puebla, Mexico) as a raw material: mineralogical and thermal characterization
title_full Kaolin from Acoculco (Puebla, Mexico) as a raw material: mineralogical and thermal characterization
title_fullStr Kaolin from Acoculco (Puebla, Mexico) as a raw material: mineralogical and thermal characterization
title_full_unstemmed Kaolin from Acoculco (Puebla, Mexico) as a raw material: mineralogical and thermal characterization
title_sort Kaolin from Acoculco (Puebla, Mexico) as a raw material: mineralogical and thermal characterization
dc.creator.none.fl_str_mv Garcia Vallès, Maite
Pi, T.
Alfonso Abella, María Pura
Canet, C.
Martínez Manent, Salvador
Jiménez-Franco, A.
Tarragó Aymerich, Mariona
Hernández-Cruz, B.
author Garcia Vallès, Maite
author_facet Garcia Vallès, Maite
Pi, T.
Alfonso Abella, María Pura
Canet, C.
Martínez Manent, Salvador
Jiménez-Franco, A.
Tarragó Aymerich, Mariona
Hernández-Cruz, B.
author_role author
author2 Pi, T.
Alfonso Abella, María Pura
Canet, C.
Martínez Manent, Salvador
Jiménez-Franco, A.
Tarragó Aymerich, Mariona
Hernández-Cruz, B.
author2_role author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Mineralogia
Caolí
Puebla (Mèxic : Estat)
Mineralogy
Kaolin
Puebla (Mexico : State)
topic Mineralogia
Caolí
Puebla (Mèxic : Estat)
Mineralogy
Kaolin
Puebla (Mexico : State)
description The present study determined the mineralogy and thermal properties of kaolin from Acoculco (Puebla), at the eastern Trans-Mexican Volcanic Belt and compared it with the nearby deposits of Agua Blanca (Hidalgo) and Huayacocotla (Veracruz). The mineralogy of the kaolins was determined by X-ray diffraction, infrared spectroscopy and scanning electron microscopy. Thermal behaviour was studied by differential thermal analysis, dilatometry and hot-stage microscopy. The Acoculco deposit is composed mainly of kaolinite and SiO2 minerals. In the case of Agua Blanca and Huayacocotla, alunite is abundant in places and minor anatase is also present locally. The Acoculco kaolins are Fe-poor and relatively rich in some potentially toxic elements (Zr, Sb, Pb). They undergo a relatively small amount of shrinkage (∼3-4 vol.%), during firing at 20-1300°C and cooling down to 20°C, except when >10 wt.% alunite is present. These kaolins are a suitable raw material for the ceramics industry. Other applications (pharmaceuticals, cosmetics) would require an enrichment process to eliminate impurities such as Fe oxides.
publishDate 2015
dc.date.none.fl_str_mv 2015
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/96804
url https://hdl.handle.net/2445/96804
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Versió postprint del document publicat a: 10.1180/claymin.2015.050.3.12
Clay Minerals, 2015, vol. 50, p. 405-416
http://dx.doi.org/10.1180/claymin.2015.050.3.12
dc.rights.none.fl_str_mv (c) Mineralogical Society, 2015
info:eu-repo/semantics/openAccess
rights_invalid_str_mv (c) Mineralogical Society, 2015
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Mineralogical Society
publisher.none.fl_str_mv Mineralogical Society
dc.source.none.fl_str_mv Articles publicats en revistes (Mineralogia, Petrologia i Geologia Aplicada)
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 15.300724

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