Silicon-carbide production from steel-plant wastes

Global silicon-carbide production and consumption is assessed. It is expedient to produce silicon carbide from industrial microsilica by furnace synthesis and plasma metallurgy. The balance of silicon-monoxide formation is considered on the basis of the physicochemical interactions in ore furnaces during the melting of silicon and ferroalloys, and the processes responsible for microsilica formation are analyzed. The synthesis of silicon carbide by furnace heating with carbon and its plasma-metallurgical production are discussed.