Ion Exchange

Ion exchange is a process in which ions are exchanged between a solution and an ion exchange resin, either cationic or anionic. It is a reversible process and the resin can be regenerated for re-use. The process is widely used for water softening in industrial and residential applications.

Demineralisation and deionisation of process and boiler feed-water and the production of pharmaceutical process water are some of the common applications of ion exchange in industry, while de-carbonation and softening are commonly used for the preparation of potable and process water. Specialist applications, such as metals recovery, arsenic removal and heavy metals removal are also possible with specialised ion exchange resins.

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