Veolia Electrodeionization EDI Stack Modules
Veolia E-Cell EDI MK-3MiniHT Stack for Hot-Water Sanitization up to 85°C
1.Product OverviewThe Veolia E-Cell EDI MK-3MiniHT Stack is an electrodeionization stack for polishing RO permeate or equivalent pretreated water. It is designed to produce ultrapure water for pharmaceutical and biotechnology applications and laboratories, and can be hot-water sanitized
1. Product Overview
The Veolia E-Cell EDI MK-3MiniHT Stack is an electrodeionization stack for polishing RO permeate or equivalent pretreated water. It is designed to produce ultrapure water for pharmaceutical and biotechnology applications and laboratories, and can be hot-water sanitized at up to 85°C for 160 cycles.
2. PRODUCT SPECIFICATIONS
Item | Specification |
Brand | Veolia |
Model | E-Cell EDI MK-3MiniHT Stack |
Product type | Electrodeionization (EDI) stack |
Internal treatment medium | Packed-bed ion exchange medium |
Nominal flow | 1.14 m³/h (5.0 gpm) |
Flow rate range | 0.5–1.6 m³/h (2.2–7.0 gpm) |
Dimensions (W × H × D) | 30 × 61 × 29 cm |
Shipping weight | 57 kg (126 lb) |
3. OPERATING PARAMETERS
Parameter | Value / Range |
Recovery | Up to 93%; subject to design conditions |
Operating feed-water temperature | 4.4–40°C (40–104°F) |
Operating inlet pressure | ≤6.9 bar (100 psi); required pressure depends on downstream requirements, flow configuration and stack pressure drop |
Pressure drop | 1.4–2.8 bar (20–40 psi), at nominal flow and 25°C |
Voltage | 0–150 VDC |
Amperage | 0–5.2 ADC |
Feed-water pH | 4–11 |
Feed-water source and particulate requirement | RO permeate or equivalent feed-water quality. If an open system is located between pretreatment and the stack, install a filter immediately before the stack |
Total exchangeable anions (TEA, as CaCO₃) | ≤68.2 ppm; value stated at minimum flow and maximum temperature. Confirm suitability for the specific operating conditions |
Conductivity equivalent | ≤117 μS/cm |
Total hardness (as CaCO₃) | ≤1.0 ppm for standard counter-current operation; ≤0.1 ppm for co-current operation |
Feed-water silica (as SiO₂) | ≤1.0 ppm;the allowable limit decreases at flows above nominal flow and is ≤0.5 ppm when feed-water hardness exceeds 0.5 ppm as CaCO₃ |
Total organic carbon (TOC, as C) | ≤0.5 ppm |
Total chlorine | ≤0.05 ppm |
Fe, Mn and H₂S | ≤0.01 ppm |
Boron | ≤1.0 ppm; ≤0.3 ppm as B when a silica guarantee or a resistivity guarantee above 10 MOhm-cm is required |
Oil and grease | None detectable |
Oxidizing agents | None detectable |
Color | ≤5 APHA |
Maximum hot-water sanitization temperature | 85°C (185°F); sanitization condition, not normal operating temperature |
Maximum hot-water sanitization inlet pressure | 2.1 bar (30 psi) |
Hot-water sanitization cycles | 160 cycles |
Feed-water limits and expected product-water quality should be checked against the specific design conditions using Veolia’s Winflows projection software and E-Cell Stack Owner’s Manual.
4. Key Features & Benefits
Hot-water sanitization: Hot-water sanitizable at up to 85°C (185°F) for 160 cycles, supporting applications that require a sanitizable EDI stack.
Defined recovery limit: Up to 93% recovery, subject to design conditions.
Pharmaceutical and industrial water-quality options: Resistivity guarantees may be available at ≥10 MOhm-cm for pharmaceutical applications or ≥16 MOhm-cm for industrial applications, subject to the design conditions.
Specified pretreatment requirements: RO permeate or equivalent feed-water quality and stated contaminant limits help determine whether the upstream treatment is suitable.
5. Key Applications
Water-for-injection systems
Pharmaceutical purified-water systems
Laboratory purified-water systems
Small industrial applications
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