Solvent extraction process

Details Solvent extraction process Solvent extraction process

1994-08-23

1995-10-31

Mai, Ngoclan

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 8, 4236585, 588 20, C22B 6002, B01D 1100

Patent

active

054631777

ABSTRACT:
The extraction process includes supplying solvent under gas pressure for introduction of the solvent adjacent the bottom of a vessel containing the sample. The vessel lies in a water bath and ultrasonic energy is applied to the bath and hence to the sample to facilitate interaction between the solvent and the sample. Because the solvent is immiscible in the sample and of lesser density, the solvent and solubilized material rise to the top of the vessel. An extraction tube under vacuum pressure continuously removes the solvent with the solubilized material.

REFERENCES:
patent: 4190461 (1980-02-01), Hedger
patent: 4439405 (1984-03-01), Bailey et al.
patent: 4510122 (1985-04-01), Floreancig
patent: 4705896 (1987-11-01), Van Der Puy et al.
patent: 4787979 (1988-11-01), Kolarik et al.

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