Method and apparatus for producing metallic silicon
AssigneesHonda Motor Co., Ltd., Kyushu University, National University Corporation
InventorsToshiaki SUMI, Tadahisa NAKAMURA, Tsuyumi NISHIYAMA, Manabu TANAKA, Junya MATSUNO, Takayuki WATANABE
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Abstract
In a method for producing metallic silicon, a raw material serving as a silica source is supplied to a plasma torch by a carrier gas, and the raw material is reduced by a plasma reaction to recover metallic silicon.
Claims12
A method for producing metallic silicon, comprising supplying a raw material serving as a silica source to a plasma torch by a carrier gas, and reducing the raw material by a plasma reaction to recover metallic silicon.
An apparatus for producing metallic silicon, comprising a plasma torch, an outer chamber being continuous with the plasma torch, an inner chamber accommodated in the outer chamber, and a filter chamber connected to the inner chamber, wherein
- a raw material serving as a silica source is supplied to the plasma torch by a carrier gas, the raw material is reduced by a plasma reaction to produce metallic silicon, and the metallic silicon is recovered from each of the inner chamber and the filter chamber.
Dependencies are inferred from the claim text.