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Glass-ceramics were prepared from mixtures of wastes generated from refining of silica sand and kaolin clay (Kira) and paper sludge ash. Kira and paper sludge ash were mixed in mass ratios of 55/45. The mixtures were melted at 1400°C and quenched in water to obtain glasses. The quenched glasses were ground to <48 mesh and used to prepare glass-ceramics. Crystallization of the parent glass occurred...
CaO-MgO-Al 2 O 3 -SiO 2 glass-ceramics were prepared from mixtures of waste generated from refining of kaolin clay (called Kira) and dolomite (CaMg(CO 3 ) 2 ). Kira was mixed with dolomite in mass ratios of 65/35 (sample 1) and 75/25 (sample 2). They were melted at 1350 o C and quenched in water to obtain glasses. The quenched glasses were ground to...
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