this study investigates the influence of some chemical additives such as methanol, ethanol, sodium oleat, chloroform and sodium hexametaphosphate (shmp) on the dry fine grinding of calcite (x50= 33 µm) using a stirred media mill. the experiments were carried out by a batch operation, and the change in colour properties (ry, whiteness and yellowness) of calcite powder. the results showed that th...

During the past decade submicron and nanoparticles have aroused a wide interest and gained new applications due to their high surface area and strength. Grinding with a wet stirred media mill is usually the last process step before the submicron or nanoparticles are added to an application, and the step where the final particle size distribution is achieved. Since stirred media milling is an en...

With the rapid development of nanotechnology, need to improve efficiency material grinding processes has increased. One criteria for effectiveness process is product fineness. There are various types mills materials, one which stirred media mills. The article presents results experimental studies a new design mill on example sand particles size reduction. principle operation based organization ...

Ceramic tiles are the most common building material for floor and wall coverings in many countries. Glazed produced from mixture of frits some additional raw materials applied on surface green subjected to a firing process. A new method processing glaze that is dry stirred media mill was investigated pilot grinding plant. The particle size, shape area measured. comparison made with product conv...

Modeling of wet stirred media mill processes is challenging since it requires the simultaneous modeling complex multiphysics in interactions between grinding media, moving internal agitator elements, and fluid. In present study, a model an HIG5 pilot vertical with nominal power 7.5 kW developed. The based on particle-based coupled solver approach, where fluid modeled particle finite element met...