Regeneration is the process of restoring an ion exchange medium to a usable state after exhaustion. The cation exchanger is normally regenerated with hydrochloric acid and the anion exchanger with sodium hydroxide.
Generalic, Eni. "Regeneration." Croatian-English Chemistry Dictionary & Glossary. 29 June 2022. KTF-Split. {Date of access}. <https://glossary.periodni.com>.
Glossary
Periodic Table