Method of removing impurities from solids
OwnerChang H. Leeinventor
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Abstract
The invention relates to a method of removing impurities from solids comprising forming a solid solution, passing the solid solution through an ion exchanger such that at least some impurities present in the solid solution are retained by the ion exchanger, and recovering the solid solution from the ion exchanger.
Claims15
A method of removing impurities from solids comprising forming a solid solution, passing the solid solution through an ion exchanger such that at least some impurities present in the solid solution are retained by the ion exchanger, and recovering the solid solution from the ion exchanger.
A method of removing impurities from carbon comprising forming a carbon solution, passing the carbon solution through an ion exchanger such that at least some impurities present in the carbon solution are retained by the ion exchanger, and recovering the carbon solution from the ion exchanger.
15-16. (canceled)
Dependencies are inferred from the claim text.