Iodine adsorption via picolylamine ion exchange resins

Details Iodine adsorption via picolylamine ion exchange resins Iodine adsorption via picolylamine ion exchange resins

1983-08-25

1984-05-29

Cintins, Ivars C.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210683, 423501, B01J 4104

Patent

active

044513755

ABSTRACT:
Resins bearing picolylamine moieties selectively adsorb iodide ions from acidic aqueous solutions. The iodide can be readily eluted from the resin with base. Particularly useful resins are obtained by reacting chloromethylated styrene-divinylbenzene copolymers with N-(2-hydroxyethyl)-2-picolylamine or bis-(2-picolyl)amine.

REFERENCES:
patent: 2157508 (1939-05-01), Urbain et al.
patent: 2945746 (1960-07-01), Shaw
patent: 3352641 (1967-11-01), Nakamura et al.
patent: 4031038 (1977-06-01), Grinstead et al.
patent: 4098867 (1978-07-01), Grinstead et al.
patent: 4131645 (1978-12-01), Keblys et al.

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