Process for complete or selective removal of salts from aqueous

Details Process for complete or selective removal of salts from aqueous Process for complete or selective removal of salts from aqueous

1978-09-19

1980-08-05

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 32, 210 36, 210 39, 210 40, 252412, 252414, 252420, 252428, B01D 1506, B01D 1508

Patent

active

042160839

ABSTRACT:
A process by which salts are removed or recovered from an aqueous solution by means of a polyether, by contacting the aqueous solution with active carbon impregnated with a cyclic or linear polyether, and then eluting ether and salt successively from the carbon. The aqueous solution of salts may be passed through a column packed with the active carbon impregnated with a polyether. The polyether may be recovered from the carbon by elution with a nonpolar or slightly polar water-immiscible organic solvent, and the salt(s) may then be recovered by elution with water.

REFERENCES:
patent: 3442819 (1969-05-01), Herbert
patent: 3562295 (1971-02-01), Pedersen et al.
patent: 3728257 (1973-04-01), Fuxelius
patent: 3928386 (1975-12-01), Dale et al.
Dale et al., Acta Chem., Scand, 26, 1471-1478 (1972).

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