- Qingqingquan
- Shandong
- 20 days
- 300 units per month
5 m³/h RO+EDI ultra-pure water systems producing 15-18 MΩ·cm water. Chemical-free operation, 90% cost reduction, continuous production. Download technical specifications.
5T/H RO+EDI Ultra-Pure Water Systems - 2025 Technical Guide
Why RO+EDI Technology Delivers Superior Water Purity
✔ Produces 15-18 MΩ·cm water continuously - No regeneration downtime
✔ Eliminates chemical usage - 100% chemical-free operation
✔ Reduces operating costs - 60% lower than mixed bed systems
✔ Environmentally friendly - Zero chemical wastewater discharge
Industry Fact: EDI technology reduces operational costs by 90% compared to traditional ion exchange systems
Technical Specifications
| Parameter | Specification |
|---|---|
| Capacity | 5 m³/hour (5000 L/h) |
| Output Resistivity | ≥15 MΩ·cm (up to 18.2 MΩ·cm) |
| TOC Level | <10 ppb |
| System Recovery | 80-90% |
| Power Consumption | 4-6 kWh/m³ |
2-Stage Purification Process
1. Reverse Osmosis Pretreatment
• Dual-stage RO system - 99% salt rejection efficiency
• Automatic flush system - Membrane protection during shutdown
• Energy recovery - 35% reduction in power consumption
• Continuous monitoring - Real-time TDS and pressure measurement
2. EDI Polishing System
• Continuous deionization - No regeneration required
• Ion exchange membranes - Selective ion removal
• Self-regenerating resins - H+/OH- generation for continuous operation
• Stable output quality - Consistent 15-18 MΩ·cm resistivity
Performance Data
| Contaminant | Feed Water | RO Output | EDI Output | Removal Rate |
|---|---|---|---|---|
| Total Dissolved Solids | 500 ppm | <10 ppm | <0.1 ppm | 99.98% |
| Silica | 15 ppm | <0.5 ppm | <0.01 ppb | 99.999% |
| Sodium | 85 ppm | <2 ppm | <0.01 ppb | 99.999% |
| Chloride | 120 ppm | <3 ppm | <0.01 ppb | 99.999% |
5 Competitive Advantages
✔ Zero chemical operation - Eliminates acid and caustic handling
✔ Fully automated system - PLC control with remote monitoring
✔ Continuous operation - No downtime for regeneration
✔ Compact design - 40% smaller footprint than mixed bed systems
✔ Warranty - Comprehensive coverage on membranes and EDI stacks
Case Study: Semiconductor fab achieved 99.8% uptime with consistent 18 MΩ·cm water quality
Industrial Applications
1. Semiconductor Manufacturing
• Wafer cleaning and rinsing
• Photolithography processes
• Ultra-pure chemical dilution
2. Pharmaceutical Production
• Water for injection (WFI)
• Biopharmaceutical processing
• Medical device manufacturing
3. Power Generation
• High-pressure boiler feedwater
• Turbine cooling water
• Combined cycle power plants
4. Laboratory Research
• HPLC and LC-MS applications
• Cell culture media preparation
• Trace element analysis
Economic Analysis
| Cost Factor | Mixed Bed System | RO+EDI System | Savings |
|---|---|---|---|
| Chemical Costs | $45,000 | $0 | 100% |
| Waste Disposal | $15,000 | $2,000 | 87% |
| Labor Costs | $25,000 | $8,000 | 68% |
| Total Annual | $85,000 | $10,000 | 88% |
Maintenance Protocol
✅ Daily: Resistivity and TOC monitoring
✅ Weekly: SDI testing and pressure verification
✅ Monthly: Membrane performance validation
✅ Quarterly: EDI stack inspection and cleaning
✅ Annually: Complete system revalidation
Pro Tip: Maintain RO product water quality <20 μS/cm for optimal EDI performance
Why Choose Our RO+EDI Systems?
✔ 15 years EDI experience - 6000+ successful installations
✔ Full compliance - Meets USP, EP, and JP water standards
✔ 24/7 technical support - Factory engineers available
✔ Validation support - Complete IQ/OQ/PQ documentation
