Extraction of onium salts from process waters and waste waters

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...

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210631, 210908, 564281, 568 9, C02F 126

Patent

active

044876980

ABSTRACT:
A process for removing onium salts from aqueous solutions comprising adding a phenolic compound to an onium salt containing aqueous solution, contacting the solution with a water-immiscible organic material whereby the onium salt migrates into the water-immiscible organic material and separating the aqueous hase from the onium salt in the water-immiscible organic material.

REFERENCES:
patent: 2475005 (1949-07-01), Brannon
patent: 3158647 (1964-01-01), Myers
patent: 3816533 (1974-06-01), Brandstrom et al.
patent: 3855269 (1974-12-01), Childs

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