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VEOLIA E-Cell-3X 5000L EDI Stack Continous Electrodeionization EDI Module For Ultra Pure And High Purity Water
For many years, operators of pure water production systems were
trying to find a technology to replace mixed bed ion exchange for
final demineralization. The operating cost as well as the
complexity and risks associated with acid and caustic regeneration
were frustrations to these operators. EDI became established as the
innovative alternative solution by reducing operating costs,
improving site environmental, health, and safety risk profiles, and
producing a continuous and steady supply of pure and ultrapure
water.
Production of pure water has evolved from conventional pretreatment
with multiple stages of ion exchange in initial and final
demineralization to the following membrane based
operations,including EDI, that are now considered to be best
practice by many customers around the world.
EDI utilizes both traditional ion exchange resin and ion exchange membrane to remove contaminants, including those that are uncharged or lightly charged in the feed water such as silica and boron. The biggest advantage lies in the fact that EDI technology employs direct current to drive contaminants out of the feed water and through the ion exchange membranes into the concentrate channels. The direct current also splits water into hydrogen and hydroxyl ions which act as continuous regenerating agents so that contaminants do not accumulate on the ion exchange resin. Therefore, EDI can continuously and predictably produce high-purity and ultrapure water with equal or better quality than mixed bed ion exchange.
E-Cell*-3X is designed to:
l Provide Ultrapure Water for industrial applications including Power, Semiconductor, and General Industry.
l Produce Mixed Bed quality water on a continuous basis.
l Require no caustic or acid for regeneration of ion exchange resin within the stack.
l Be leak free, guaranteed.
l Eliminate brine injection and concentrate recirculation, simplifying system design.
Description and Use
E-Cell-3X stacks are electrodeionization (EDI) stacks which use electrical current to deionize and polish reverse osmosis (RO) permeate water. The product water for the E-Cell-3X is at an Ultrapure level required in today’s demanding applications.
Typical Applications
l Microelectronics
l Power Generation (NOx, Boiler Feed)
l General Industry
Quality Assurance
l CE, UL & CSA marked
l Manufactured in a ISO 9001:2000 facility
E-Cell*-3X, 1 to 12 Stacks
Base System Features
l ECell3X Systems with 1 to 12 stacks for flow range of 15 – 336gpm (3.4 - 76.3 m3/h)
l Rectifier compatible with 400VAC & 50Hz or 460VAC & 60Hz
l Individual stack current monitoring
l Flow & pressure transmitters, ability to connect to SCADA system
System Options
l Allen Bradley Micrologix PLC with Ethernet
n Includes Veolia 6” Color QuickPanel View HMI
l NEMA 4 Terminal Box - removal of PLC & HMI and all wiring terminated at terminal box
l Standard Instrumentation
n Burkert Paddlewheel flow sensors on Dilute, Concentrate, and Electrode Outlet
n Burkert pressure transmitters on all streams
n Burkert conductivity analyzer and sensor on Dilute Outlet
l Premium Instrumentation
n Rosemount vortex flow transmitters on Dilute and Concentrate Outlet
n Burkert Paddlewheel flow sensor on Electrode Outlet
n Burkert pressure transmitters on all streams
n Rosemount conductivity analyzer and sensor on Dilute Outlet
l Inlet Divert Valve
n Standard Instrumentation: Burkert
n Premium Instrumentation: Rosemount
l ANSI to DIN conversion kits
| Feed Water Requirements | |
| Total Exchangeable Anions | < 25.0 ppm |
| (as CaCO3) (TEA) Including CO2 as calculated by ECalc pH | 4 – 11 |
| Hardness | < 1.0 ppm (as CaCO3) |
| Silica (Reactive) | < 1.0 ppm |
| SDI (15 min) | < 1 |
| TOC | < 0.5 ppm |
| Total Chlorine | < 0.05 ppm |
| Fe, Mn, H2S | <0.01 ppm |
| Operating Parameters | |
| Outlet (Dilute) Product Quality | > 16 MOhm-cm |
| Outlet Product Silica Guarantee | Down to < 5ppb |
| Recovery | Up to 95% |
| Temperature | 40 to 104ºF (4.4 to 40ºC) |
| Feed Pressure | 60 to 100 psi (4.1 to 6.9 bar) |
| Dilute Pressure Drop | 20 to 40 psi (1.4 to 2.8 bar) |
| Input Voltage | 460VAC 60Hz, 400VAC 50Hz |
| Material of Construction & Ratings | |
| Welded Frame | Painted Carbon Steel |
| Dilute Piping | Sch. 80 PVC |
| Concentrate Piping | Sch. 80 PVC |
| Flanges | ANSI |
| Rectifier | NEMA 4 |
| Control Panel | NEMA 4 |
| Control Panel Power | 24VDC |
Cell 3X Standard Systems
| Model | ECell3X-2 | ECell3X-4 | ECell3X-8 | ECell3X-12 |
| Number of Stacks | 1 - 2 | 3 - 4 | 5 - 8 | 10 - 12 |
| Type of stack | E-Cell-3X | E-Cell-3X | E-Cell-3X | E-Cell-3X |
| Flow Rates: | ||||
| Product Flow Nominal | 44 gpm 10 m3/h | 88 gpm 20 m3/h | 176 gpm 40 m3/h | 264 gpm 59.9 m3/h |
| Range | 15 – 56 gpm 3.4 – 12.7 m3/h | 45 - 112 gpm 10.2 – 25.4 m3/h | 75 - 224 gpm 17.0 – 50.9 m3/h | 150 - 336 gpm 34.0 – 76.3 m3/h |
Concentrate Outlet Flow (Depends on Recovery & Product Flow)2 | 0.83 - 7.67 gpm 0.19 - 1.74 m3/h
| 2.50 - 15.34 gpm 0.57 - 3.48 m3/h
| 4.17 - 30.67 gpm 0.95 - 6.97 m3/h
| 8.34- 46.01 gpm 1.89 - 10.45 m3/h
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Electrode Outlet Flow (Nominal)
| 0.70 gpm 0.16 m3/h
| 1.40 gpm 0.32 m3/h
| 2.80 gpm 0.64 m3/h
| 4.20 gpm 0.95 m3/h
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| Dimensions: | ||||
Overall Dimensions (Width x Length x Height) | 42” x 50” x 84” 1.1m x 1.3m x 2.2m
| 46” x 75” x 84” 1.1m x 1.9m x 2.2m
| 64” x 103” x 90” 1.7m x 2.6m x 2.3m
| 64” x 130” x 90” 1.7m x 3.3m x 2.3m
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| Inlet Piping | 2.0” | 2.5” | 4” | 4”
|
| Product Outlet Piping | 1.5” | 2.5” | 3” | 4” |
| Rinse Outlet Piping | 1.5” | 2.5” | 3” | 4” |
| Concentrate Outlet Piping | 0.75” | 1.0” | 1.5” | 1.5” |
| All piping sizes are provided for nominal flow rates at 90% recovery. | ||||
| Shipping Weight (Approx.) | 2050 lb / 925 kg | 3075 lb / 1400 kg | 5250 lb / 2400 kg | 6190 lb / 3125 kg
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Electrical:
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| Maximum Output @ 400VDC | 10.4 Amps | 20.8 Amps | 41.6 Amps | 62.4 Amps |
| Connection Requirement | 13 kVA | 21 kVA | 36 kVA | 52 kVA |
1. Performance, flow rate per stack, recovery and power consumption are all dependent on inlet feed water quality and temperature. An E-Calc
projection must be completed for proper system design & for any performance guarantee to be provided.
2. Concentrate outlet flow at 95% max recovery and minimal product flow of 15gpm/stack to 87% recovery and maximum product flow of
28gpm/stack.
