Process for the selective absorption of anions

Details Process for the selective absorption of anions Process for the selective absorption of anions

1991-12-18

1993-02-16

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

521 25, 521 30, 210688, 528341, 528342, 106168, 525417, 527312, 536 57, C08L 1100, C08J 520, B01D 1500, C08G 6926

Patent

active

051872005

ABSTRACT:
A process for selectively removing anions from an aqueous solution involves contacting the solution for an effective period of time with a specialized polymer in a porous format. The polymer has ligand sites capable of forming coordination or complexation bonds with multi-valent metal cations which serve to activate the polymer with respect to chemical interaction with anions. The polymer, saturated with the multivalent metal cations, contains between 2% and 20% of metal cation based upon the dry weight of the polymer.

REFERENCES:
patent: 3580891 (1971-05-01), Rainer
patent: 3715339 (1973-02-01), Rainer
patent: 4332916 (1982-06-01), Thill
patent: 5002984 (1991-03-01), Rainer
patent: 5096946 (1992-03-01), Rainer

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