Method for the recovery of cobalt oxalate and/or manganese oxala

Details Method for the recovery of cobalt oxalate and/or manganese oxala Method for the recovery of cobalt oxalate and/or manganese oxala

1983-02-01

1984-12-18

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

562412, 562414, 562493, 260439R, 502 24, C07F 1300, C07F 506

Patent

active

044889992

ABSTRACT:
In a process for the recovery of cobalt oxalate and/or manganese oxalate, the solutions or extracts containing cobalt and/or manganese are treated with sodium, potassium or ammonium oxalate. To obtain an easily filtrable cobalt and/or manganese oxalate precipitate, the precipitation is performed at temperatures of 50.degree. to 160.degree. C. with 1 to 2 moles of solid alkali oxalate or ammonium oxalate. When sodium oxalate is used, the water content of the solutions or extracts is from 5 to 90% by weight, when potassium oxalate is used it is from 2 to 15% by weight, and when ammonium oxalate is used it is from 1 to 12% by weight.

REFERENCES:
patent: 3332971 (1967-07-01), Elder et al.
patent: 3803191 (1974-04-01), Ehrreich et al.
patent: 3840469 (1974-10-01), Hobbs et al.
patent: 4170602 (1979-10-01), Deffeyes et al.
patent: 4314073 (1982-02-01), Crooks
patent: 4329493 (1982-05-01), Hashizume et al.
patent: 4346230 (1982-08-01), Hoffmann et al.

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