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Cleanroom Utility Systems
EDI Water Purification System
A modular electrodeionization skid for continuous polishing of suitable RO permeate without routine chemical regeneration.
- Continuous resin regeneration
- Balanced product and concentrate flow
- Online conductivity control
Product Introduction
EDI modules, hygienic piping, controlled rinse paths, a DC power supply and PLC supervision are packaged on an accessible stainless-steel skid.
Key Features
Scalable parallel EDI modules
Feed and product quality monitoring
Controlled concentrate and electrode-rinse paths
Remote control options
Customer Product Concerns
Stable EDI operation depends on appropriate RO permeate chemistry, balanced module flows and coordinated current control.
Mineral scaling in the moduleEstablish feed limits and control hardness, silica and carbon dioxide upstream.
Product conductivity driftMonitor feed and product conductivity and regulate current within the selected operating window.
Uneven module flowProvide dedicated product, concentrate and rinse flow instruments for hydraulic balancing.
Chemical handling burdenUse electrically regenerated resin instead of routine acid and caustic regeneration.
Typical Applications
Pharmaceutical purified waterBiotechnology utilitiesElectronics rinse waterLaboratory central waterLow-conductivity boiler makeup
Technical Parameters
Capacity, module count, feed limits and sanitization arrangement are matched to RO-permeate chemistry and use conditions.
| Core Material | Ion-exchange resin, selective ion-exchange membranes and polymer flow spacers |
|---|---|
| Panel Thickness | EDI stack plate and spacer dimensions selected in mm by module design |
| Effective Width | Packaged skid width typically 700–1800 mm, module count dependent |
| Maximum Length | Packaged skid length typically up to 4500 mm, configuration dependent |
| Steel Facing Thickness | Stainless-steel frame and control enclosure sheet typically 1.5–3.0 mm |
| Core Density | Structural material density approximately 7930 kg/m³ for 304 stainless steel |
| Thermal Conductivity | Stainless-steel structural components approximately 16.2 W/(m·K) at ambient temperature |
| Surface Finish | Brushed stainless-steel skid with controlled hygienic tubing finish |
| Joint Type | Orbital-welded hygienic tubing with sanitary clamp unions at modules |
| Customization | Available based on the intended application and operating environment. |
Available Options
Standalone EDI or integrated RO-EDIParallel module banks304 or 316L pipingCarbon-dioxide controlUV post-treatment interfaceProduct diversionRemote data logging
Planning a EDI Water Purification System specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
