Phosphonic acid based exchange resins

Liquid purification or separation – Processes – Ion exchange or selective sorption

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Details

210681, 210688, 521 38, C02F 162, C02F 164, C02F 142

Patent

active

054494621

ABSTRACT:
An ion exchange resin for extracting metal ions from a liquid waste stream. An ion exchange resin is prepared by copolymerizing a vinylidene diphosphonic acid with styrene, acrylonitrile and divinylbenzene.

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