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Use of Fine Wastes from Dimension Stone Industry in the Manufacture of Ceramic Tile
Large quantities of rock dust are daily discarded by dimension stone industries. These wastes can be reduced if they are selected according to their composition and used as base in other products. Two kinds of wastes (BS and OI) were mixed at different proportions with kaolinitic clay traditionally used as raw material in ceramic industry. BS has high contents of plagioclase, quartz, microcline and low biotitic; and OI has high quantities of microcline and plagioclase, besides quartz, biotitic, enstatite and edenite. At the same firing temperature, water absorption of samples with 50% BS, or less, didnt show significant differences in relation to samples with pure clay, but firing shrinkage and flexural strength decreased. On the other hand, mixtures with OI content up to 50% showed reduction of water absorption and firing shrinkage, while flexural strength was increased.
Use of Fine Wastes from Dimension Stone Industry in the Manufacture of Ceramic Tile
Large quantities of rock dust are daily discarded by dimension stone industries. These wastes can be reduced if they are selected according to their composition and used as base in other products. Two kinds of wastes (BS and OI) were mixed at different proportions with kaolinitic clay traditionally used as raw material in ceramic industry. BS has high contents of plagioclase, quartz, microcline and low biotitic; and OI has high quantities of microcline and plagioclase, besides quartz, biotitic, enstatite and edenite. At the same firing temperature, water absorption of samples with 50% BS, or less, didnt show significant differences in relation to samples with pure clay, but firing shrinkage and flexural strength decreased. On the other hand, mixtures with OI content up to 50% showed reduction of water absorption and firing shrinkage, while flexural strength was increased.
Use of Fine Wastes from Dimension Stone Industry in the Manufacture of Ceramic Tile
de Almeida Prado, Ana Candida (author) / Taguchi, Simone Pereira (author) / Neves, Mirna Aparecida (author) / Soares, Raphael Henrique (author) / da Fonseca, Arthur Bazoni (author)
2012
7 Seiten
Conference paper
English
Use of Fine Wastes from Dimension Stone Industry in the Manufacture of Ceramic Tile
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