IONEXCHANGERESIN

Ion-exchange resin

Most typical ion-exchange resins are based on crosslinked polystyrene. The actual ion exchanging sites are introduced after polymerization. Additionally, in the case of polystyrene, crosslinking is introduced via copolymerization of styrene and a few percent of divinylbenzene. Non-crosslinked polymers are soluble in water. Crosslinking decreases ion-exchange capacity of the resin and prolongs the time needed to accomplish the ion exchange processes. Particle size also influences the resin parameters; smaller particles have larger outer surface, but cause larger head loss in the column processes.

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ion exchange resin

Noun

  1. An insoluble matrix of small beads having a charged surface; used as an artificial zeolite in water softeners and in ion exchange chromatography.


The above text is a snippet from Wiktionary: ion exchange resin
and as such is available under the Creative Commons Attribution/Share-Alike License.

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