Abstract

This chapter examines the theory and technology of the production of silicon and ferrosilicon alloys. An overview of silica raw materials, silica transformations, and carbon reductants for smelting is presented together with an exploration of the thermodynamics of silicon reduction and the formation of silicon carbide. For industrial practice, the results of furnace operation and zones formation are discussed, along with the main parameters required to ensure a smooth furnace operation. Finally, post–tap hole processes (refining and casting) and environmental issues (fumes and dust formation and handling) are described.

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