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4T/H EDI Ultrapure Water System
The 4T/H EDI ultrapure water system combines double-pass reverse osmosis and EDI technology to produce stable high-purity water for industrial applications.
It operates continuously without chemical regeneration, helping reduce maintenance costs and water-quality fluctuations. The system is suitable for electronics, pharmaceutical, laboratory, cosmetics and precision manufacturing applications.
The 4T/H EDI ultrapure water system combines double-pass reverse osmosis and EDI technology to produce stable high-purity water for industrial applications.
It operates continuously without chemical regeneration, helping reduce maintenance costs and water-quality fluctuations. The system is suitable for electronics, pharmaceutical, laboratory, cosmetics and precision manufacturing applications.
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Product Description
4T/H EDI Ultrapure Water System
Industrial Double-Pass RO + EDI Water Treatment Equipment
1. Product Specifications
| Item | Specification |
|---|---|
| Product name | 4T/H Double-Pass RO + EDI Ultrapure Water System |
| Rated capacity | 4 m³/h |
| Operating range | 3.5–4.5 m³/h |
| Core technology | Double-Pass RO + EDI |
| Product-water resistivity | Up to ≥15MΩ·cm |
| Operation | Fully automatic |
| Power supply | 380V/50Hz or customized |
Actual water quality and capacity depend on feed-water conditions and system configuration.
2. Feed Water and Product Water
| Requirement | Typical Value |
|---|---|
| Feed-water source | Tap water or properly pretreated groundwater |
| RO inlet SDI | ≤3 |
| RO inlet turbidity | ≤0.1 NTU |
| Product-water resistivity | ≥15 MΩ·cm |
| RO salt rejection | ≥99.5% |
| Typical recovery rate | Designed according to feed-water quality |
| Water-quality features | Low conductivity, low ionic content and stable purity |
For pharmaceutical applications, the complete system must be designed and validated according to the required local pharmacopoeia and production standard.
3. Process Flow
Raw Water Tank → Feed Pump → Multimedia Filter → Activated Carbon Filter → Water Softener or Antiscalant Dosing → Cartridge Filter → First-Pass RO → Intermediate Tank → Second-Pass RO → EDI Module → Ultrapure Water Tank → Distribution Loop
The pretreatment system protects the RO membranes. Double-pass RO removes most dissolved salts and organic impurities, while EDI continuously removes remaining ions. A closed distribution loop helps maintain stable water quality and reduce secondary contamination.
4. Optional Configurations
- SS304 or SS316L sanitary tanks and pipelines
- Online conductivity and resistivity monitoring
- TOC monitoring and data recording
- UV sterilizer and terminal ultrafiltration
- Automatic RO membrane flushing
- Automatic pipeline sanitization
- PLC control and fault alarms
- IoT remote monitoring
- Waterproof or explosion-proof control cabinet
5. Core Technical Parameters
| Parameter | Specification |
|---|---|
| Product-water capacity | 4 m³/h |
| Product-water resistivity | Up to ≥15 MΩ·cm |
| Operating temperature | 5–45°C |
| Control mode | PLC automatic control |
| Operation time | Continuous operation available |
| Main materials | FRP, SS304 or SS316L |
| Monitoring | Conductivity, resistivity, flow and pressure |
| System design | Skid-mounted or customized |
6. Applications
This 4m³/h industrial RO EDI ultrapure water system is suitable for:
- Electronic component cleaning
- Semiconductor and circuit-board production
- Pharmaceutical process water
- Medical-device manufacturing
- Laboratory testing
- Cosmetics production
- Electroplating processes
- Lithium-battery manufacturing
7. Typical Applications
- Electronics factory: Provides stable high-purity water for component and circuit-board cleaning.
- Pharmaceutical plant: Supplies purified process water for production and equipment cleaning.
- Laboratory: Supports analytical testing requiring consistent water quality.
- Cosmetics factory: Reduces ionic impurities that may affect product stability.
8. Key Advantages
- High and stable product-water resistivity
- No acid or alkali regeneration for the EDI module
- Fully automatic operation
- Continuous ultrapure water production
- Low chemical consumption
- Compact modular design
- Customized according to feed-water quality
9. FAQ
What is an EDI ultrapure water system?
It is an industrial high-purity water system combining RO and continuous electrodeionization to remove dissolved salts and residual ions.
Why is EDI installed after double-pass RO?
Double-pass RO reduces most dissolved impurities, creating suitable feed water for the EDI module to achieve higher and more stable resistivity.
Can the system operate continuously?
Yes. The automatic double-pass RO EDI water treatment plant is designed for continuous industrial operation.
Does EDI require chemical regeneration?
No. EDI uses electricity and ion-exchange media for continuous deionization without routine acid or alkali regeneration.
Can the system meet pharmaceutical requirements?
Yes, when the material, pipeline design, sanitization method and validation requirements are configured according to the applicable pharmaceutical standard.
11. Information Required for a Quotation
Please provide:
- Raw-water analysis, including TDS, hardness and turbidity
- Required product-water resistivity
- Required capacity and daily operating hours
- Intended industry and water application
- Local voltage and frequency
- Installation space and delivery destination
Zhongnuo provides customized 4T/H EDI ultrapure water treatment solutions, process design and factory-direct quotations.
4T/H EDI Ultrapure Water System
Industrial Double-Pass RO + EDI Water Treatment Equipment
1. Product Specifications
| Item | Specification |
|---|---|
| Product name | 4T/H Double-Pass RO + EDI Ultrapure Water System |
| Rated capacity | 4 m³/h |
| Operating range | 3.5–4.5 m³/h |
| Core technology | Double-Pass RO + EDI |
| Product-water resistivity | Up to ≥15MΩ·cm |
| Operation | Fully automatic |
| Power supply | 380V/50Hz or customized |
Actual water quality and capacity depend on feed-water conditions and system configuration.
2. Feed Water and Product Water
| Requirement | Typical Value |
|---|---|
| Feed-water source | Tap water or properly pretreated groundwater |
| RO inlet SDI | ≤3 |
| RO inlet turbidity | ≤0.1 NTU |
| Product-water resistivity | ≥15 MΩ·cm |
| RO salt rejection | ≥99.5% |
| Typical recovery rate | Designed according to feed-water quality |
| Water-quality features | Low conductivity, low ionic content and stable purity |
For pharmaceutical applications, the complete system must be designed and validated according to the required local pharmacopoeia and production standard.
3. Process Flow
Raw Water Tank → Feed Pump → Multimedia Filter → Activated Carbon Filter → Water Softener or Antiscalant Dosing → Cartridge Filter → First-Pass RO → Intermediate Tank → Second-Pass RO → EDI Module → Ultrapure Water Tank → Distribution Loop
The pretreatment system protects the RO membranes. Double-pass RO removes most dissolved salts and organic impurities, while EDI continuously removes remaining ions. A closed distribution loop helps maintain stable water quality and reduce secondary contamination.
4. Optional Configurations
- SS304 or SS316L sanitary tanks and pipelines
- Online conductivity and resistivity monitoring
- TOC monitoring and data recording
- UV sterilizer and terminal ultrafiltration
- Automatic RO membrane flushing
- Automatic pipeline sanitization
- PLC control and fault alarms
- IoT remote monitoring
- Waterproof or explosion-proof control cabinet
5. Core Technical Parameters
| Parameter | Specification |
|---|---|
| Product-water capacity | 4 m³/h |
| Product-water resistivity | Up to ≥15 MΩ·cm |
| Operating temperature | 5–45°C |
| Control mode | PLC automatic control |
| Operation time | Continuous operation available |
| Main materials | FRP, SS304 or SS316L |
| Monitoring | Conductivity, resistivity, flow and pressure |
| System design | Skid-mounted or customized |
6. Applications
This 4m³/h industrial RO EDI ultrapure water system is suitable for:
- Electronic component cleaning
- Semiconductor and circuit-board production
- Pharmaceutical process water
- Medical-device manufacturing
- Laboratory testing
- Cosmetics production
- Electroplating processes
- Lithium-battery manufacturing
7. Typical Applications
- Electronics factory: Provides stable high-purity water for component and circuit-board cleaning.
- Pharmaceutical plant: Supplies purified process water for production and equipment cleaning.
- Laboratory: Supports analytical testing requiring consistent water quality.
- Cosmetics factory: Reduces ionic impurities that may affect product stability.
8. Key Advantages
- High and stable product-water resistivity
- No acid or alkali regeneration for the EDI module
- Fully automatic operation
- Continuous ultrapure water production
- Low chemical consumption
- Compact modular design
- Customized according to feed-water quality
9. FAQ
What is an EDI ultrapure water system?
It is an industrial high-purity water system combining RO and continuous electrodeionization to remove dissolved salts and residual ions.
Why is EDI installed after double-pass RO?
Double-pass RO reduces most dissolved impurities, creating suitable feed water for the EDI module to achieve higher and more stable resistivity.
Can the system operate continuously?
Yes. The automatic double-pass RO EDI water treatment plant is designed for continuous industrial operation.
Does EDI require chemical regeneration?
No. EDI uses electricity and ion-exchange media for continuous deionization without routine acid or alkali regeneration.
Can the system meet pharmaceutical requirements?
Yes, when the material, pipeline design, sanitization method and validation requirements are configured according to the applicable pharmaceutical standard.
11. Information Required for a Quotation
Please provide:
- Raw-water analysis, including TDS, hardness and turbidity
- Required product-water resistivity
- Required capacity and daily operating hours
- Intended industry and water application
- Local voltage and frequency
- Installation space and delivery destination
Zhongnuo provides customized 4T/H EDI ultrapure water treatment solutions, process design and factory-direct quotations.
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