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Publication date: 1 May 2002

Romualdo Rodrigues Menezes, Gelmires de Araújo Neves, Heber Carlos Ferreira and Hélio de Lucena Lira

Solid wastes are today one of the worst problems in the word, mainly because of the increase in volume and the high capacity of environmental contamination. The aim of this work…

Abstract

Solid wastes are today one of the worst problems in the word, mainly because of the increase in volume and the high capacity of environmental contamination. The aim of this work is to analyze the possibility of use sawing granite wastes as alternative ceramic raw materials for the production of bricks and roof tiles. Samples were collected from wastes of several granites companies from the northeast region of Brazil. They were submitted to particle size and mineralogical characterization. Some ceramic compositions were prepared with granite waste and submitted to technological tests. The results indicated that the wastes have particle size distribution and mineralogical composition similar to conventional nonā€plastic ceramic raw materials. These wastes can be used in substitution of conventional raw materials in ceramic formulations in proportions up to 50 per cent. This can be important to save traditional raw materials from the region and decreasing the aggression to the environment.

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Environmental Management and Health, vol. 13 no. 2
Type: Research Article
ISSN: 0956-6163

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