EP Series - Electro De-Ionisation
The EP ultrapure water EDI plants are used to produce diluate with a typical conductivity < 0.2 μS/cm by treating reverse osmosis permeate via electrodeionisation (EDI). They are equipped with high quality EDI modules and a Siemens LOGO! controller.
Benefits
- Diluate with typical conductivity < 0.2 μS/cm
- Prepared for direct connection to an RO unit
- Piping in PP
Applications
- For further demineralisation of RO permeate
- For pharmaceutical or laboratory applications, power plants and microelectronics
Specifications
Controller: | PLC Siemens Logo |
Resistance diluate without CO2 binding: | 5 MΩ x cm |
Resistance diluate with CO2 binding: | 10 MΩ x cm |
Recovery: | 90 – 95 % |
Diluate backpressure max.: | 1.0 bar |
Ambient temperature: | 5 - 40 °C |
Conditions of use: | The unit is designed for a permeate conductivity of 4-20 µS/cm, a CO2 concentration of 10 mg/l and free diluate discharge. The feed water must be softened (< 0.05 °dH) and treated via a reverse osmosis unit without a permeate buffer. The diluate quality depends on the permeate quality. In addition, the following parameters must be maintained in the feed water: |
Free chlorine: | not detectable |
Silica | 0.5 mg/l |
Silt density index (SDI): | < 0.25 |
Feed water temperature: | 5 – 35 °C |
Feed water pressure: | 2 – 4 bar |
Pressure fluctuation: | ± 0.5 bar |
pH value feed water: | 5.0 - 9.5 |
Herco | SKU:
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