METHOD FOR PRODUCING HIGH-PURITY METALLIC SILICON AND APPARATUS THEREFOR

METHOD FOR PRODUCING HIGH-PURITY METALLIC SILICON AND APPARATUS THEREFOR

A method and apparatus for producing or manufacturing a high purity metallic silicon involve a process for generating silicon monoxide by causing reaction between a silicon dioxide containing material (3) and molten state metallic silicon (12). The silicon monoxide thus generated is sucked (14) for...

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Hauptverfasser: YASUHIKO SAKAGUCHI, MASATO ISHIZAKI, KUNIO MIYATA, KAZUHIRO UCHINO, FUKUO ARATANI, MITSUGI YOSHIYAGAWA, TETSURO KAWAHARA
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Zusammenfassung:A method and apparatus for producing or manufacturing a high purity metallic silicon involve a process for generating silicon monoxide by causing reaction between a silicon dioxide containing material (3) and molten state metallic silicon (12). The silicon monoxide thus generated is sucked (14) for reduction by means of a reducing agent (7) including a carbon containing material and a silicon containing material.