Process for the removal of impurities from silicon

Details Process for the removal of impurities from silicon Process for the removal of impurities from silicon

C - Chemistry, Metallurgy

01

B

23/327

C01B 33/037 (2006.01)

Patent

CA 1336354

An improved process for the removal of impurities from silicon comprises melting powder of granulate of impure silicon, contacting the silicon melt in a large-surface area, thin film contact with a silicon-resistant material to which the impurities adhere and draining the silicon off the silicon-resistant material thereby separating impurities adhering to the silicon-resistant material from the silicon drained therefrom.

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