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USE OF RECYCLED CERAMIC MATERIALS IN THE MANUFACTURING OF A TRIAXIAL REFRACTORY
https://doi.org/10.17073/1683-4518-2013-6-54-62
Abstract
In this study, a formulation for a triaxial refractory material using internally produced waste materials as main components. A mixture design and response surface analysis was applied to decrease the laboratory work by obtaining an optimized formulation area, in which the required characteristics of the final product are achieved. Moreover, the cost/benefit relationship may be improved in the formulation stage, and a significantly better understanding of the processing-microstructure-properties interactions of a refractory product may be gained. Among other raw materials, recycled materials from the manufacture of refractory plates were used: coal ash, furnace sand, waste glaze, and roll-milled high-alumina refractory. The methodology was able to help finding a region of the triaxial diagram in which the product characteristics meet the specifications required for the use of refractory materials, such as linear shrinkage and flexural strength after firing. The optimized composition resulted in a substantial cost reduction when compared to the refractory currently used, besides contributing tothe environment. Ill. 12. Ref. 32. Tab. 3.
About the Authors
M. Dal BóBrazil
D. Hotza
Brazil
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Supplementary files
For citation: Dal Bó M., Hotza D. USE OF RECYCLED CERAMIC MATERIALS IN THE MANUFACTURING OF A TRIAXIAL REFRACTORY. NOVYE OGNEUPORY (NEW REFRACTORIES). 2013;(6):54-62. https://doi.org/10.17073/1683-4518-2013-6-54-62
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