Incorporation of Blast Furnace Sludge into Red Ceramics - Industrial Test


 
L. Fonseca Amaral, G.C. Girondi Delaqua, C.M. Fontes Vieira
Darcy Ribeiro State University of Northern of Rio de Janeiro - UENF. Advanced Materials Laboratory (LAMAV), Campos dos Goytacazes, RJ, Brazil
(6 pages)

https://doi.org/10.29272/cmt.2018.0004

Abstract

The aim of this study was to validate the possibility of using the blast furnace sludge as raw material for the traditional ceramic industry. This validation occurred at the industrial level, in order to consider the maximum possible variables inherent to the industrial process, which are only possible to achieve with high production volume. For this purpose, the main focus was to determine the atmospheric pollution levels, as well as the potential leachability of hazardous components from the ceramic matrix. In addition, the main physical and mechanical properties of the products were also determined. The environmental tests showed that the investigated waste practically does not change the leaching and solubilization parameters of the ceramic product and also it brings benefit as the material particulate emission reduction due to the decrease of the combustible consumption. Additionally, the results indicated that the blast furnace sludge practically did not change the evaluated physical and mechanical properties.
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