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Valorization of sugarcane bagasse ash: Producing glass-ceramic materials

Authors
Journal
Journal of Environmental Management
0301-4797
Publisher
Elsevier
Publication Date
Volume
134
Identifiers
DOI: 10.1016/j.jenvman.2013.12.029
Keywords
  • Wollastonite
  • Sugarcane
  • Ash
  • Limestone
  • Glass-Ceramic
Disciplines
  • Chemistry

Abstract

Abstract 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 °C.

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