Use of hydrates for aqueous solution treatment

Details Use of hydrates for aqueous solution treatment Use of hydrates for aqueous solution treatment

1986-06-12

1987-07-07

Cintins, Ivars

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210663, 210692, 210737, 260396R, 530351, 530364, 530387, 544274, 548457, 549408, 560174, 562600, 562606, 562608, 564213, 568411, 568824, 568918, B01D 1700

Patent

active

046785833

ABSTRACT:
A process for forming a purified solute from an aqueous solution is provided whereby a mixture of an extractant, a hydrate former and the aqueous solution is first formed. The hydrate former forms a hydrate with water while the solute does not form a hydrate. The extractant takes up the solute from the aqueous solution. The mixture is subjected to a temperature and pressure sufficient to form the solid hydrate of the hydrate former, an aqueous solution of the solute and a portion comprising the extractant containing the solute. The solute is recovered from the portion comprising the extractant and the solute.

REFERENCES:
patent: 2904511 (1959-09-01), Donath
patent: 3415747 (1968-12-01), Glew
patent: 4207351 (1980-06-01), Davies
patent: 4253948 (1981-03-01), Hardman
patent: 4515695 (1985-05-01), Knupp

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