Mineral treatment

Details Mineral treatment Mineral treatment

1976-06-14

1979-06-26

Padgett, Benjamin R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 3, 423 11, 423 18, C01G 5600

Patent

active

041593081

ABSTRACT:
The addition of a normally insoluble fluoride to a reaction being a chemical treatment process provides a surprisingly improved rate is dissolution in many cases. Specifically, where the fluoride is added to a reaction using hydrochloric acid or ferric chloride, the yield is more rapid than has previously been shown in the art. The invention is most applicable where the stability constant of the fluoride or fluoride complex of the element to be recovered is higher than that of the cation with which the fluoride is originally associated.

REFERENCES:
patent: 2894804 (1959-07-01), Sawyer et al.
patent: 3577225 (1971-05-01), Shaffer et al.
patent: 3761564 (1973-09-01), Mailen et al.
patent: 3781403 (1973-12-01), Baes, Jr. et al.
patent: 3976775 (1976-08-01), Tallent

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