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New uses for brick-making clay materials from the Bailén area (southern Spain)

Published online by Cambridge University Press:  09 July 2018

I. Gonzalez ,
E. Galan ,
A. Miras  and
P. Aparicio
I. Gonzalez
Affiliation:
Departamento de Cristalografía, Mineralogía y Q. Agrícola, Universidad de Sevilla, Apdo. 553, 41071 Sevilla, Spain
E. Galan
Affiliation:
Departamento de Cristalografía, Mineralogía y Q. Agrícola, Universidad de Sevilla, Apdo. 553, 41071 Sevilla, Spain
A. Miras
Affiliation:
Departamento de Cristalografía, Mineralogía y Q. Agrícola, Universidad de Sevilla, Apdo. 553, 41071 Sevilla, Spain
P. Aparicio
Affiliation:
Departamento de Cristalografía, Mineralogía y Q. Agrícola, Universidad de Sevilla, Apdo. 553, 41071 Sevilla, Spain
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Abstract

An attempt has been made to assess new potential applications for the Bailén clays, traditionally used for manufacturing bricks, based on mineralogical, chemical, particle size, plasticity and firing results. Raw materials and mixtures used by the local factory were selected and tested with the addition of some diatomite, feldspar or kaolin. Based on their properties, clay materials from Bailén might be suitable for making porous red wall tiles, clinker, vitrified red floor tiles and porous light-coloured wall tiles by pressing; the first could be manufactured from the raw materials and mixtures currently used by the local manufactures. On the other hand, stoneware shaped by extrusion, such as perforated bricks, facing bricks and roofing tiles, can be also manufactured from the mixtures used at the factory if they contain 20-25% carbonate and small amounts of iron oxides; lightweight bricks require black and yellow clays with diatomite.

Type
Research Article
Information
Clay Minerals , Volume 33 , Issue 3 , September 1998 , pp. 453 - 465
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1998

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