GE P&W Electrodeionization (EDI) - E-Cell Standard Systems, MK-3, 15 to 27 Stacks - Manual

Fact Sheet
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FS1621EN.doc Jun-08
E-Cell Standard Systems
MK-3, 15 to 27 Stacks
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 sys-
tem design, removing the need for concen-
trate 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 oper-
ate 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 CaCO
3
) (TEA) Including CO
2
as calculated by E-Calc
pH ...........................................................................................5 – 9
Hardness................................................ < 1.0 ppm
(as CaCO
3
)
Silica (Reactive)......................................................< 1.0 ppm
SDI (15 min) ........................................................................... < 1
TOC..............................................................................< 0.5 ppm
Total Chlorine......................................................< 0.05 ppm
Fe, Mn, H
2
S.............................................................<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 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