Granite Waste as a Raw Material in Ceramic Body Formulations

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The escalating interest of researchers to use industrial waste materials in the manufacture of ceramic products is growing. This work is aimed at studying the properties of granite waste (GW) upon incorporation in ceramic bodies. Initially, the GW was characterized in terms of chemical and mineralogical compositions. Then, the GW was added (in the range 40-60 wt.%) to a ball clay. Firing was carried out at 1100°C to1200°C and then the properties of the fired specimens were determined. The results showed that specimens with GW 50 wt.% fired at 1150°C exhibited the best properties, i.e. minimum water absorption of <0.36%, the best bulk density (2.48 g/cm3) and strength (21.34 MPa). This showed that GW can act as a fluxing agent and reduces the firing temperature of the ceramic body with additional advantages in terms of cost and reuse of waste materials.

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88-95

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November 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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