“…Those processes are great importance for understanding of the ferronickel pyrometallurgical production processes. In the previous works [1,2], a model was proposed for the metal phase formation during bubbling of an oxide melt by a reducing gas, which includes following stages: formation of bubbles during the gas injection into the melt; metal reduction at the gas-melt interface; metal droplets formation; movement of the gas bubble-metal drop system. This movement direction is determined by the ratio…”