A demineralizer system consists of one or more ion exchange resin columns, which include a strong acid cation unit and a strong base anion unit. The cation resin exchanges hydrogen for the raw water cations and the anion resin exchanges hydroxyl ion for raw water anions.
The equipment used for cation-anion demineralization is similar to that used in softening. The primary difference is that the vessels, valves, and piping must be made of (or lined with) corrosion-resistant materials. Rubber and polyvinyl chloride (PVC) are commonly used for ion exchange vessel linings. The controls and regenerant systems for demineralizers are more complex, to allow for such enhancements as stepwise acid and warm caustic regenerations.
Continuous conductivity instruments and silica analyzers are commonly used to monitor anion effluent water quality and detect the need for regeneration. In some instances, conductivity probes are placed in the resin bed above the under drain collectors to detect resin exhaustion before silica breakthrough into the treated water occurs.
Applications
Boiler Feed
Process water in textile mills
Pharmaceutical companies
Breweries and distillaries
Special Features of ZION ENVIRO De - Mineralisers
FRP, MSEP, MSRL and SS Vessels as per requirement.
Manual, Semi Automatic and Automatic features are provided.
Pneumatic and electrical operating automatic valves can be provided.
Automatic control and electrical cabinet
Capacity up to 80 mᶟ/hr
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Chemical Dosing System