Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1992-05-18
1993-06-01
Silverman, Stanley S.
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210657, 436 82, 436161, 436164, 436178, 423 215, B01D 1508
Patent
active
052156648
ABSTRACT:
A method of separating rare earth elements and compounds from mixtures containing the same which comprises separating the rare earth elements and compounds by means of rotational high speed countercurrent chromatography.
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Ito Yoichiro
Kitazume Eiichi
McCarthy Neil M.
Silverman Stanley S.
The United States of America as represented by the Department of
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