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De-Mineralised Water Treatment Plant
De-Mineralised Water Treatment Plant
Demineralisation Systems are very widely employed not only for conditioning water for high – pressure boilers but also for conditioning various process and rinse water. The ion exchange system is chosen very accordingly to the volumes and composition of the raw water, the effluent- quality require for different uses and the comparative capital and operation cost. If silica removal is not required, the system may consist of a hydrogen – cation – exchanger unit and a weekly basic anion exchanger unit usually followed by a degasifier, to remove by aeration most of the carbon dioxide formed from the bicarbonates.
The system consists of the following:
A hydrogen – cation – exchanger unit and a strongly basic anion–exchanger unit or a single unit containing an intimately mixed bed of a hydrogen cation – exchanger and a strongly basic anion exchanger.
