Purification process

Details Purification process Purification process

1993-11-08

1996-05-21

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

B01J 4704

Patent

active

055186289

ABSTRACT:
The invention is for a process of removal of ionic contaminants from an organic solution. The process of the invention involves providing a mixed ion exchange resin modified by contact with an ammonium salt of a weak organic acid and contacting said organic solution with said modified exchange resin for a time sufficient to remove ionic impurities therefrom. The invention is useful for removal of ionic contaminants from organic solutions requiring high purity for use.

REFERENCES:
patent: 3849306 (1974-11-01), Anderson
patent: 4540493 (1985-09-01), Dickerson et al.
patent: 4737487 (1988-04-01), Watts et al.

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