MINERALOGICAL AND GEOCHEMICAL PROPERTIES OF CLAY OF EMET-HİSARCIK (KÜTAHYA) REGION AND ITS EFFECTS ON COLEMANITE ENRICHMENT
Abstract
Clay-containing wastes, which constitute a great potential resource, come out during and at the end of production from colemanite beneficiation plants, which do not require a very complex process. In this study, the chemical contents of the samples taken from the solid waste clays of the Eti Maden Emet Boron Operations Directorate Hisarcık colemanite beneficiation plant were examined and the structural formula of the existing clay was determined. Clay-containing waste under 45 micron grain size has 12.42% Mg and 2352 ppm Li grade. Due to the water-retaining nature of the clay known as a Mg-rich Li smectite (saponite), it makes it difficult to remove the clay from the ore in the colemanite beneficiation process. When the results of the clay separation study are evaluated, the pure clay obtained has a very high content with 46.82% SiO2 and 19.67% MgO grades, and its value increases even more with 1776 ppm Sr, 3057 ppm As and 2239 ppm Li grades. The fact that the clay-containing solid waste is saponite and contains lithium further increases its industrial value. It has been determined that it is important to separate the clay-containing solid wastes from the ore with appropriate strategies and evaluation methods and to bring them into the economy.
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References
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