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HomeMaterials Science ForumMaterials Science Forum Vol. 820Improvement of Clay Ceramic Properties by Glass...

Improvement of Clay Ceramic Properties by Glass Polishing Sludge Incorporation

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Abstract:

The kaolinitic clays from Campos dos Goytacazes, state of Rio de Janeiro, Brazil, are known by their high plasticity and refractory behavior that require sintering at elevated temperatures for consolidated ceramic structures. Processing temperatures below 1000°C may also be used if the clay body contains fluxing compounds that promote lower temperature molten phases and reduce porosity. Commercial fluxes are relatively expensive but some wastes, such as those generated in industrial activities related to glass fabrication, could provide inexpensive fluxing agents. In the present work, the incorporation of up to 40 wt% of a sludge waste from the polishing stage of glass production into a Campos dos Goytacazes clay body fired at 900°C was investigated. It was found that the sludge incorporation improved both the ceramic water absorption and the mechanical strength.

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Brazilian Ceramic Conference 58

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Periodical:

Materials Science Forum (Volume 820)

Pages:

432-437

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.820.432

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Online since:

June 2015

Authors:

Juliana Simões Chagas Licurgo, Carlos Mauricio Fontes Vieira, Veronica Scarpini Candido, Sergio Neves Monteiro

Keywords:

Clay Ceramic, Glass Polishing Sludge, Technical Properties, Waste Incorporation

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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