Method for silicon purification

Details Method for silicon purification Method for silicon purification

1991-06-20

1993-05-04

Chaudhuri, Olik

Chemistry of inorganic compounds

Silicon or compound thereof

Elemental silicon

C01B 3302

Patent

active

052080013

ABSTRACT:
A method of removing impurities from low grade silicon is provided comprising adding a zirconium compound to the low grade silicon for adsorbing the impurities.

REFERENCES:
patent: 4246249 (1981-01-01), Dawless
patent: 4256717 (1981-03-01), Dawless
patent: 4312849 (1982-01-01), Kramer
patent: 4822585 (1989-04-01), Dawless
patent: 4828814 (1989-05-01), Sanjurjo et al.

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