Veolia MK-5 EDI Module (Previously E-CELL-3X) For Semiconductor Industries
The Veolia E-Cell MK-5 Electrodeionization (EDI) Module is designed for continuous, chemical-free production of high-purity water, delivering flows up to 5 m³/h (22 GPM) with resistivity ≥16 MΩ·cm and silica removal to ≤5 ppb. Ideal for boiler feedwater in power plants and ultrapure water applications in semiconductors, microelectronics, and pharmaceuticals, it operates at up to 97% recovery without acid/caustic regeneration. The module features a compact design (30x61x72 cm), hot-water sanitization capability, and compliance with CE, RoHS, and ISO 9001/14001 standards. Its robust construction ensures low maintenance and stable performance under varying feedwater conditions, supported by Veolia’s global technical expertise
Product Specifications
| Attribute |
Value |
| Minimum pressure difference between dilute outlet and concentrate inlet (bar) |
0.34 |
| Dilute inlet/outlet standard pressure drop (bar) |
1.4-2.8 |
| Inlet pressure (bar) |
Counter-current: 4.1-6.9
Co-current: 3.1-6.9 |
| Amperage (ADC) |
0-5.2 |
| Voltage (VDC) |
0-400 |
| Recovery |
up to 97% |
| Designed water production (m3/hr) |
4.0-6.4 |
| Nominal Flow |
5.0 m3/h (22 gpm) |
| MK-5 Application |
Boiler Feedwater In Power Plants |
Veolia EDI Technology - Advanced Electrodeionization for High-Purity Water
Veolia's E-Cell ® EDI (Electrodeionization) technology represents the gold standard in continuous demineralization, offering a chemical-free, high-efficiency alternative to traditional mixed-bed ion exchange. Designed for industries requiring ultra-pure water, Veolia EDI stacks combine ion-exchange resins and selective membranes with direct current to remove contaminants—including silica and boron—without regeneration chemicals.
Key Advantages:
- Zero Chemical Regeneration - Eliminates acid/caustic handling, reducing operational costs and safety risks.
- Consistent High Purity - Produces water with > 16 MΩ*cm resistivity and < 5 ppb silica, meeting stringent standards for semiconductor, pharmaceutical, and power industries.
- Energy-Efficient Design - Patented resin configuration and counter-current operation minimize power consumption and scaling risks.
- Modular & Scalable - Available in MK-3, MK-5, and MK-9 stacks, supporting flows from 1.6 to 10 m³/h with up to 97% recovery.
- Validated Reliability - CE, FDA, and Halal certified, manufactured in ISO 9001/14001 facilities with 85 °C hot-water sanitization options (PharmHT series).
Global Applications:
- Microelectronics: Ultrapure rinse water for semiconductor fabrication.
- Pharmaceutical: USP/EP-compliant purified water.
- Power Generation: High-purity boiler feedwater.
- Industrial Processes: Steel, chemical, and LNG plant demineralization.
Backed by Veolia's performance guarantees and global technical support, E-Cell EDI delivers sustainable, low-maintenance pure water solutions.
GE, Suez, and Veolia EDI Modules (all the same product: Veolia EDI Module)
Typical Applications
The water produced by the E-Cell-3X reliably meets today's most demanding ultrapure water applications, including but not limited to:
- Ultrapure water for rinsing semiconductor chips, solar panels, and other microelectronic devices.
- Demineralized feed water for high-pressure boilers in power plants and other heavy industrial sites.
- Ultrapure water for green hydrogen generation in electrolyzers.
To simplify design and enhance your confidence in EDI applications, we offer E-Cell performance predictions and guarantees, which are available through Winflows* software or by contacting us.
Technical Specifications
| Parameter |
Value |
| Brand |
Veolia EDI |
| Exchangeable ppm |
65.0 |
| Inlet Pressure bar |
6.9 |
| Inlet Pressure psi |
100 |
| Type of Stack |
E-Cell 3X |
| Max Temperature °C |
40 |
| Max Temperature °F |
104 |
| Pressure drop bar |
1,4-2,8 |
| Pressure drop psi |
20-40 |
| Recovery % |
up to 97 % |
| Flow m3/h |
2,3-6,4 |
| Flow rate gpm/ft2 |
10-28 |
| Power voltage V |
0-400 VDC |
| Shipping Weight kg |
165 |
| Shipping Weight lbs |
364 |
| Application |
Ultrapure water, Boiler feed water |
E-Cell-3X Stack Specifications
| Parameter |
Value |
| Nominal Flow |
5.0 m3/h (22 gpm) |
| Flow Rate Range |
2.3-6.4 m3/h (10-28 gpm) |
| Shipping Weight |
165 kg (364 lbs) |
| Dimensions (width x height x depth) |
30 cm x 61 cm x 72cm
12'' x 24" x 29" |
Product Water Quality
| Parameter |
Value |
| Resistivity |
≥ 16 MOhm-cm |
| Sodium |
≤ 3 ppb |
| Silica (SiO2) |
As low as 5 ppb |
| Boron |
As low as 0.08 ppb |
Note 1: Actual performance may vary based on site conditions. Refer to Winflows Prediction Software to verify expected product water quality.
Typical Removal Efficiencies
| Parameter |
Efficiency |
| Sodium |
≥ 99.9% removal |
| Silica (SiO2) |
Up to 99% removal |
| Boron |
Up to 96% removal |
Operating Parameters
| Parameter |
Value |
| Recovery |
Up to 97% |
| Voltage |
0-400 VDC |
| Amperage |
0-5.2 ADC |
| Inlet Pressure Note 2 |
≤ 6.9 bar (100 psi) |
| Pressure Drop Note 3 |
1.4-2.8 bar (20-40 psi) |
Note 2: Inlet pressure is determined by downstream pressure requirements for product and concentrate streams, choice of countercurrent or cocurrent operation, and stack pressure drop.
Note 3: At nominal flow and 25°C. Refer to Winflows Prediction Software to verify design conditions.
Feed Water Specifications
| Parameter |
Value |
| Total Exchangeable Anions (TEA as CaCO3) Note 5 |
≤ 65 ppm |
| Conductivity Equivalent |
≤ 112 μS/cm |
| Temperature |
4.4-40˚C (40-104˚F) |
| Total Hardness (as CaCO3) Note 6 |
≤ 1.0 ppm |
| Silica (SiO2) Note 7 |
≤ 1.0 ppm |
| Total Organic Carbon (TOC as C) |
≤ 0.5 ppm |
| Total Chlorine |
≤ 0.05 ppm |
| Fe, Mn, H2S |
≤ 0.01 ppm |
| Boron Note 8 |
≤ 1.0 ppm |
| pH |
4 to 11 |
| Oil & Grease |
None detectable |
| Particulate Note 9 |
RO permeate |
| Oxidizing Agents |
None detectable |
| Color Note 10 |
≤ 5 APHA |
Note 4: Refer to Winflows Prediction Software and the E-Cell Stack Operating Manual to verify feedwater specifications at design conditions.
Note 5: TEA (ppm as CaCO3) - Total Exchangeable Anions, this represents the concentration of all anions in the feedwater, including contributions from OH-, CO2 and SiO2. Winflows must be used to confirm that the feedwater TEA is acceptable at the given application operating conditions. Tabulated values are given at minimum flow and maximum temperature.
Note 6: The 1.0 ppm feedwater hardness limit as CaCO3 is for standard countercurrent operation only. Under co-current operation, the allowable feed water hardness is reduced to 0.1 ppm as CaCO3.
Note 7: At rates above nominal flow, the allowable silica limit is reduced. When feed water hardness exceeds 0.5 ppm as CaCO3, the allowable silica limit is reduced to 0.5 ppm.
Note 8: When a silica guarantee requirement exists or a resistivity guarantee requirement is above 10 MOhm-cm, the boron feed level is limited to 0.3 ppm as B, as higher boron levels may affect performance. In the absence of these requirements, the limit is 1.0 ppm boron.
Note 9: Reverse Osmosis (RO) or Equivalent Feed Water: RO provides feed water to the EDI that is essentially free of particulate matter, colloidal materials, and high molecular weight organic matter that could foul the ion exchange media. Because the EDI stack contains packed beds of ion exchange media that cannot be backwashed/fluidized to remove particulate matter, the quality of the RO permeate needs to be specified. Systems with an open system between the RO system (or other source) and the E-Cell (e.g., storage tank, decarbonator) must have a filter installed immediately before the E-Cell to protect the E-Cell from contamination by particulate matter. Generally, a 5µm absolute filter or 1µm nominal filter is acceptable.
Note 10: APHA - Color standard/scale named after the American Public Health Association and defined by ASTM.
Veolia E-Cell EDI Stack Models
| E-Cell EDI Stack |
Nominal Stack Flow Rate |
Typical New-Build Applications |
| MK-9 |
8.0 m3/h (35 gpm) |
- Ultrapure water for solar photovoltaic and green hydrogen
- Boiler feedwater in power plants and other heavy industrial sites
|
| MK-5 |
5.0 m3/h (22 gpm) |
- Ultrapure water for semiconductor, flat panel display, solar photovoltaic and other microelectronics
- Boiler feedwater in power plants and other heavy industrial sites
|
| MK-3 |
3.4 m3/h (15 gpm) |
- Ultrapure water for semiconductor, flat panel display, solar photovoltaic and other microelectronics
- Boiler feedwater in power plants and other heavy industrial sites
|
| MK-3PharmHT |
3.4 m3/h (15 gpm) |
- High purity water compliant with United States Pharmacopeia (USP) and European Pharmacopeia (EP) standards for pharmaceutical and laboratory water injection
|
| MK-3MiniHT |
1.14 m3/h (5 gpm) |
- Pharmaceutical and laboratory purified water injection compliant with USP and EP
|
E-Cell EDI Technology Performance Examples
E-Cell EDI technology has been successfully applied in various industries such as power, petroleum, chemical, steel, pharmaceutical, and electronics.
For application cases, please visit: https://www.fgwater.com/Industries/
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