Method for regenerating magnetic polyamine-epichlorohydrin resin

Catalyst – solid sorbent – or support therefor: product or process – Regenerating or rehabilitating catalyst or sorbent – Treating with a liquid or treating in a liquid phase,...

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502 22, 134 29, 210670, 210673, B01J 2034, B01J 3848, B01J 4900

Patent

active

056521901

ABSTRACT:
Magnetic polymer resins capable of efficient removal of actinides and heavy metals from contaminated water are disclosed together with methods for making, using, and regenerating them. The resins comprise polyamine-epichlorohydrin resin beads with ferrites attached to the surfaces of the beads. Markedly improved water decontamination is demonstrated using these magnetic polymer resins of the invention in the presence of a magnetic field, as compared with water decontamination methods employing ordinary ion exchange resins or ferrites taken separately.

REFERENCES:
patent: 3092617 (1963-06-01), Feldt et al.
patent: 5230805 (1993-07-01), Yates et al.

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