Publicação: Valorization of sugarcane bagasse ash: Producing glass-ceramic materials
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2014-02-15
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Elsevier B.V.
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Some aluminosilicates, for example mullite and wollastonite, are very important in the ceramic and construction industries. The most significant glass-ceramic for building applications has wollastonite as the main crystal phase. In this work we report on the use of sugarcane bagasse ash (SCBA) to produce glass-ceramics with silicates as the major crystalline phases. The glasses (frits) were prepared by mixing ash, limestone (calcium and magnesium carbonates) and potassium carbonate as the fluxing agent. X-ray fluorescence was used to determine the chemical composition of the glasses and their crystallization was assessed by using thermal analysis (DTA/DSC/TGA) and X-ray diffraction. The results showed that glass-ceramic material can be produced with wollastonite as the major phase, at a temperature lower than 900 degrees C. (C) 2014 Elsevier Ltd. All rights reserved.
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Journal Of Environmental Management. London: Academic Press Ltd- Elsevier Science Ltd, v. 134, p. 15-19, 2014.
