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ELABORATION OF OPTIMAL MODE FOR HEAT TREATMENT OF SHALES FOR OBTAINING METAKAOLIN

ELABORATION OF OPTIMAL MODE FOR HEAT TREATMENT OF SHALES FOR OBTAINING METAKAOLIN

Author: E. Shapakidze, M. Nadirashvili, V. Maisuradze, I. Gejadze, M. Avaliani, G. Todradze
Abstract

Production of metakaolin to increase the properties of cement and mortar has been studied from ordinary multicomponent mineral clays and shales as cheap raw materials. Alluvium clay shales formed as a result of mudflows were used as starting material and the optimal mode of its heat treatment has been elaborated to obtain the maximal amount of metakaolin. The pozzolanic properties of the heat-treated clay shales were monitored with making and testing various types of cement.

Keywords: metakaolin; portland cement; shales; pozzolanic admixture; heat treatment

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