Based on the theory of granulation of powders in a drum apparatus by using 3D modeling, granules with flux additions of 25% soda with optimum size, humidity, strength and porosity were obtained. It has been revealed that, when using such granules, the reduction reactions of titanomagnetite concentrates proceed in the kinetic-diffusion region, are conjugate: in reducing reactions, CO and H 2 are inductors and the CH 4 acceptor. The first two reactions initiate the reduction of magnetite to metal. Using chitosan as a bioactive modifier, anatase modification of titanium dioxide was obtained from powders of polytitanic acid xTiO 2 yH 2 O.

In a disk-shaped two-section granulator with coaxial sides, the preparation of granules from clay powder by the action of drops from binder fluid of the same diameter was studied. Optimal granulation time in the first and second sections, the corner of inclination and the rotation speed of the granulator are established, which contribute to the production of rounded granules with a sphericity of at least 0.85 (85%) and the same particle size distribution. It was established that value of the granules formed is determined by the size of the supplied droplets of the binder fluid, and the strength increases with increasing diameter. However, with increasing granule size, the tensile strength decreases.It is shown that the initial stages of the granulation process have the greatest influence on the potential mechanical strength of granules. A mathematical model of the diameter dependence of the granule on the diameter of droplet is proposed to the binder solution. It was shown best coincidence of results by the proposed mathematical model and the experimentally obtained data.