Water in oil emulsions useful in liquid membrane

Details Water in oil emulsions useful in liquid membrane Water in oil emulsions useful in liquid membrane

1973-10-09

1982-11-23

Lovering, Richard D.

Compositions

Inorganic luminescent compositions

Tungsten containing

210643, B01J 1300

Patent

active

043604480

ABSTRACT:
This invention relates to a process for the removal of dissolved species from aqueous solutions, which comprises contacting said aqueous solution with an emulsion, said emulsion comprising an exterior phase which is characterized as being immiscible with said aqueous solution and yet permeable to said dissolved species, and an interior phase which contains a reactant capable of converting said dissolved species to a nonpermeable form. The dissolved species permeate the exterior phase, into the interior phase where they are converted into nonpermeable forms and thus retained in the interior phase of said emulsion. The aqueous solution, depleted in said dissolved species, is separated from said emulsion and the emulsion cycled for reuse. In one preferred embodiment said dissolved species are ions, and an ion exchange compound is incorporated in the exterior phase of the emulsion, to promote the permeation of said ions through the exterior phase.

REFERENCES:
patent: 2299693 (1942-10-01), Green
patent: 3057804 (1962-10-01), Berkeley et al.
patent: 3714062 (1973-01-01), Askew et al.
patent: 3719590 (1973-03-01), Li et al.

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