Separation of rare earth metals using a cation exchanger

Details Separation of rare earth metals using a cation exchanger Separation of rare earth metals using a cation exchanger

1980-12-04

1983-07-19

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Rare earth metal

4236585, 210674, 210681, C01F 1700

Patent

active

043943535

ABSTRACT:
A process for the separation of one rare earth metal from another in a mixture of rare earth metals by chromatographic displacement using a complexing agent and a cation exchanger, which process comprises using a cation exchanger having a micro-void volume void ratio of 0.5 to 0.95, preferably 0.5 to 0.88.

REFERENCES:
patent: 2798789 (1957-07-01), Spedding et al.
patent: 2877093 (1959-03-01), Tompkins et al.
patent: 2897050 (1959-07-01), Jaffe
patent: 3037841 (1962-06-01), Krumholz et al.
patent: 3054655 (1962-09-01), Krumholz et al.
patent: 3167389 (1965-01-01), Woyski
patent: 3228750 (1966-01-01), Lindstrom et al.
Khym, "Analytical Ion-Exchange Procedures in Chemistry and Biology", Prentice-Hall, N.J., 1974, pp. 6-12, 56-67.
Seamster et al., "Chemical Engineering", Aug. 22, 1960, pp. 115-120.

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