| 摘要 |
PROBLEM TO BE SOLVED: To provide a method capable of manufacturing, easily at a low cost, a high-purity silicon carbide.SOLUTION: The provided method for manufacturing a high-purity silicon carbide comprises: (F) a chloride mixing step of obtaining, by mixing a solid component including a silica-carbon mixture and an aqueous solution including an alkali metal or alkaline earth metal chloride so as to prepare a slurry and then obtaining, by solid/liquid-separating the slurry, not only a solid component including the silica-carbon mixture and alkali metal or alkaline earth metal chloride but also a liquid component; and (G) a heating step of obtaining a high-purity silicon carbide by heating the solid component obtained at the step (F) and including the silica-carbon mixture and alkali metal or alkaline earth metal chloride. |
