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    Effect of PH on suspension stability for production of submicron particles by means of mechanical treatment
    (Baski, 2019) Bayel, D. Katircioglu
    The industrial demand for submicron particles increased a lot due to the specific properties of submicron particles, especially in the chemical and pharmaceutical industries. Talc is extremely sophisticated mineral filler that is made use of in a wide variety of industrial applications in paper, cosmetics, paints, ceramics, refractory materials and pharmaceuticals. Grinding behavior of submicron particles in stirred media mill and the minimum achievable submicron particle size are seriously affected by the suspension stability. In this work, the influences of suspension pH on stability of submicron talc particles were investigated. Suspensions were produced by wet grinding in the stirred mill. The effect of pH was investigated by the experiments carried out at five pH values (5, 6.5, 8, 9.5 and 11) and it was determined that the size reduction was affected by pH of the suspension. Copyright © IMCET 2019 International Mining Congress and Exhibition of Turkey. All rights reserved.