GE P&W Electrodeionization User Manual
E-Cell Standard Systems
MK-3, 15 to 27 Stacks
Fact Sheet
With the combination of E-Cell and Ionics EDI
technology, GE Water & Process Technologies is
leading the way for Electrodeionization (EDI). Our
E-Cell Standard Systems with MK-3 stacks are
designed for reliable, long-term trouble free
operation, with straightforward control.
Standard Features
• MK-3 E-Cell stacks allow for a simplified system design, removing the need for concentrate recirculation as well as brine injection.
• MK-3 E-Cell stack’s low energy design reduces
electrical requirements and operating costs.
• MK-3 E-Cell stacks are hard piped directly to
the system.
• Concentrate flow is in the opposite direction to
the Dilute flow, thus allowing systems to operate at higher hardness concentrations for
longer periods of time.
• Basic and Premium models available
• GE Fanuc Micro PLC & 6” color Quick Panel
HMI
• Automatic Outlet Divert Valve
• Full Owners Operation & Maintenance Manual,
Factory Acceptance Test results and Stack
Performance Test results
Quality Assurance
Certification:.................................................................UL, CSA
Facility:.............................................................ISO 9001:2000
Full Factory Acceptance Test (FAT) completed on
each system before shipment.
Instrumentation
Flow ..................................................Dilute (Product) Outlet
...................................................................Concentrate Outlet
..........................................................................Electrode Outlet
Pressure..................................... Dilute Inlet, Dilute Outlet
............................Concentrate Inlet, Concentrate Outlet
..........................................................................Electrode Outlet
Resistivity .......................................Dilute (Product) Outlet
................................................................................. Dilute Outlet
Feed Water Requirements
Total Exchangeable Anions.......................... < 25.0 ppm
(as CaCO3) (TEA) Including CO
pH ...........................................................................................5 – 9
Hardness................................................ < 1.0 ppm
Silica (Reactive)......................................................< 1.0 ppm
SDI (15 min) ...........................................................................< 1
TOC..............................................................................< 0.5 ppm
Total Chlorine......................................................< 0.05 ppm
Fe, Mn, H
S............................................................. <0.01 ppm
2
as calculated by E-Calc
2
(as CaCO3)
Operating Parameters
Outlet (Dilute) Product Quality............> 16 MOhm-cm
Outlet Product Silica Guarantee ......Down to < 5ppb
Recovery: ............................................................... Up to 95%
Temperature: ......................... 40 to 100ºF (4.4 to 38ºC)
Feed Pressure: .................70 to 100 psi (4.7 to 6.9 bar)
Dilute Pressure Drop:.......20 to 35 psi (1.4 to 2.4 bar)
Input Voltage:..........................................................480 60Hz
Material of Construction
Welded Frame: ............................. Painted Carbon Steel
Dilute Piping: ......................................................Sch. 80 PVC
Concentrate Piping:.........................................Sch. 80 PVC
Flanges:................................................................................ANSI
Rectifier:..................................................................... NEMA 3R
Control Panel:............................................................. NEMA 4
Control Panel Power:............................................... 24VDC
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©2008, General Electric Company. All rights reserved.
FS1621EN.doc Jun-08
E-Cell Standard Systems
Model GEMK3-15 GEMK3-18 GEMK3-24 GEMK3-27
General Information:
Number of Stacks 10 - 15 12 - 18 16 - 24 18 - 27
Type of stack MK-3 MK-3 MK-3 MK-3
Flow Rates:
Product Flow 225 gpm 270 gpm 360 gpm 405 gpm
Nominal Range 150-300 gpm
3
/h
Concentrate Outlet Flow
(Depends on Recovery &
34.1-68.1 m
0.67-28.08 gpm
3.86-106.29 lpm
180-360 gpm
40.9-81.8 m3/h
0.81-33.70 gpm
3.07-127.56 lpm
240-480 gpm
54.5-109.0 m3/h
1.07-44.93 gpm
4.05-170.08 lpm
270-540 gpm
61.4-122.6 m3/h
1.21-50.55 gpm
4.58-191.35 lpm
Product Flow)
Electrode Outlet Flow 5.25 gpm
19.87 lpm
6.30 gpm
23.85 lpm
8.40 gpm
31.80 lpm
9.45 gpm
35.77 lpm
Dimensions:
Overall Dimensions
(Width x Length x Height)
60” x 209” x 84”
1.5m x 5.3m x 2.1m
60” x 222” x 84”
1.5m x 5.6m x 2.1m
60” x 270” x 84”
1.5m x 6.9m x 2.1m
60” x 283” x 84”
1.5m x 7.2m x 2.1m
Inlet Piping 6” 6” 6” 6”
Product Outlet Piping 6” 6” 6” 6”
Rinse Outlet Piping 6” 6” 6” 6”
Electrode Outlet Piping 1” 1” 1” 1”
Concentrate Outlet Piping 1.5” 1.5” 1.5” 1.5”
All piping sizes are provided for nominal flow rates at 90% recovery.
Shipping Weight 7800 lbs
3538 kg
8500 lbs
3855 kg
11000 lbs
4990 kg
12000 lbs
5443 kg
Electrical:
Maximum Output @
78.0 Amps 93.6 Amps 124.8 Amps 140.4 Amps
300VDC
Connection Requirement 36 kVA 42 kVA 56 kVA 63 kVA
Typical Power Consumption: 1 - 2 kWh/1000gal (0.53 – 1.06 kWh/m3)
Standard Options:
1. Premium Model – flow & pressure transmitters, ability to connect to SCADA system.
2. Premium Model Option – Allen Bradley Micrologix PLC
3. Premium Model Option – removal of PLC & HMI, all wiring terminated at a NEMA 4 Junction Box
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.
Page 2 FS1621EN 0701
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