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Valorization of sugarcane bagasse ash: Producing glass-ceramic materials

AutorTeixeira, Silvio R.; Magalhães R. S.; Arenales, A.; Souza, A. E.; Romero, Maximina; Rincón López, Jesús María
Palabras claveWollastonite
Sugarcane
Ash
Limestone
Glass-ceramic
Fecha de publicación15-feb-2014
EditorElsevier
CitaciónJournal of Environmental Management 134: 15–19 (2014)
ResumenSome 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.
Versión del editorhttp://dx.doi.org/10.1016/j.jenvman.2013.12.029
URIhttp://hdl.handle.net/10261/130108
DOI10.1016/j.jenvman.2013.12.029
ISSN0301-4797
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