CE Series


Brackish Water RO Elements (Cellulose Acetate)

GE Power Water & Process Technologies

The C-Series family, a triacetate/diacetate blend, has a higher flux and better mechanical stability than standard cellulose acetate. CA-Series elements offer an increased chlorine resistance compared to thin-film elements. CE Brackish Water Elements are used for brackish water desalination and process stream concentration.

Table 1: Element Specification

Membrane C-Series, Cellulose Acetate

Model Average permeate flow gpd (m3/day)1,2 Average NaCl rejection1,2 Minimum NaCl rejection1,2
CE4026F 1,300 (4.9) 97.5% 95.0%
CE4040FM 1,900 (7.1) 97.5% 95.0%
CE8040F 6,400 (24.2) 97.5% 95.0%
CE8040F,WET 6,400 (24.2) 97.5% 95.0%

1Average salt rejection after 24 hours operation. Individual flow rate may vary +25%/-15%.
2Testing conditions: 2,000ppm NaCl solution at 425psi (2,930kPa) operating pressure, 77°F (25°C), pH 6.5 and 15% recovery.

Model Active area ft2 (m2) Outer wrap Part Number
CE4026F 59 (5.5) Fiberglass 1206875
CE4040FM 95 (8.4) Fiberglass 3050079
CE8040F 350 (32.5) Fiberglass 1206880
CE8040F,WET 350 (32.5) Fiberglass 3097264
Figure 1a: Element Dimensions Diagram – Male
Figure 1b: Element Dimensions Diagram – Female

Table 2: Dimensions and Weight

A, B2, C3 Dimensions, Inches (cm)

Model1 A B2 C3 Boxed Weight lbs (kg)
CE4026F 26.0 (66.7) 0.625 (1.59) 3.9 (9.9) 6 (2.7)
CE4040FM 40.0 (101.6) 0.75 (1.90) OD 3.9 (9.9) 8 (3.5)
CE8040F 40.0 (101.6) 1.125 (2.86) 7.9 (20.1) 32 (14.5)
CE8040F,WET 40.0 (101.6 1.125 (2.86) 7.9 (20.1) 32 (14.5)

1 These elements are dried then bagged before shipping, unless specified WET.
2 Internal diameter unless specified OD (outside diameter).
3 The element diameter (dimension C) is designed for optimum performance in GE
pressure vessels. Other pressure vessel dimension and tolerance may result in
excessive bypass and loss of capacity.

Table 3: Operating and CIP parameters

Typical Operating Pressure 140 – 400psi (965-2,758kPa)
Typical Operating Flux 10-18 GFD (17-30 LMH)
Maximum Operating Pressure 450psi (3,103kPa)
Maximum Temperature Continuous operation: 86°F (30°C) Clean-In-Place (CIP):: 86°F (30°C)
pH Range Continuous operation: 5.0-6.5, Clean-In-Place (CIP): 3.0-8.0
Maximum Pressure Drop Over an element: 12psi (83kPa) Per housing: 50psi (345kPa)
Chlorine Tolerance 1ppm maximum continuous 30ppm for 30 min during sanitization
Feedwater2 NTU < 1 SDI < 5

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