Process for producing columbium oxyfluoride

Details Process for producing columbium oxyfluoride Process for producing columbium oxyfluoride

1982-02-22

1986-06-03

Cooper, Jack

Chemistry of inorganic compounds

Halogen or compound thereof

Ternary compound

75 84, 423 65, 423 66, C01G 3300

Patent

active

045929041

ABSTRACT:
A process for the recovery of columbium values from a columbium-containing aqueous hydrofluoric acid solution. The columbium-containing solution is heated, with agitation, to cause evaporation and hydrolysis, resulting in the formation of a slurry from which columbium oxyfluoride can be separated and recovered.

REFERENCES:
patent: 3072459 (1963-01-01), Foos
patent: 3975495 (1976-08-01), Bowerman
Ferris, Chemical Abstracts, vol. 65 (1966) No. 11,409a.

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