Liquid-liquid extraction method and apparatus

Details Liquid-liquid extraction method and apparatus Liquid-liquid extraction method and apparatus

1976-07-16

1978-09-05

Hart, Charles N.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

210 21, 422258, 423 24, 423 89, 423 99, 4236585, 260112R, B01D 1100, B01D 300

Patent

active

041116607

ABSTRACT:
A liquid-liquid extraction method and apparatus using an elongated extraction column arranged at an angle to the horizontal. The column is divided by means of partitions into a plurality of compartments which are in communication by apertures in such partitions. Each end of the extraction column has an inlet and an outlet, which can preferably be arranged concentrically, for the introduction and discharge of two immiscible liquids of differing densities, the less dense liquid being introduced into the lower inlet and discharged through the upper outlet and vice versa for the more dense liquid. The column during extraction is rotated either about its own axis or a spaced parallel axis. The extracting liquid can be circulated for back-extraction through a similarly arranged column containing a third liquid immiscible with the extraction liquid and of differing density.

REFERENCES:
patent: 2765298 (1956-10-01), Signer
patent: 3390963 (1968-07-01), Wiegandt
patent: 3443909 (1969-05-01), Goossens
patent: 3573982 (1971-04-01), Silver
patent: 3620681 (1971-11-01), Wright

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