Adsorption process for organic base recovery from aqueous brine

Details Adsorption process for organic base recovery from aqueous brine Adsorption process for organic base recovery from aqueous brine

1997-08-15

1998-06-02

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210692, B01D 1500

Patent

active

057594066

ABSTRACT:
An adsorption process uses a non-ion-exchangeable adsorbent polymeric resin of a monoethylenically unsaturated monomer such as styrene and a polyvinylidene monomer such as divinylbenzene for the adsorption of organic bases, such amines, amine salts and guanidinium salts, from high ionic strength aqueous solutions. Desorption may be employed for the recovery of said organic bases, and said adsorbent resin may be regenerated.

REFERENCES:
patent: 3531463 (1970-09-01), Gustafson
patent: 4297220 (1981-10-01), Meitzner et al.
patent: 4415456 (1983-11-01), Chandler, Jr.
patent: 4729834 (1988-03-01), Itoh et al.
patent: 5087671 (1992-02-01), Leoppky et al.

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