Reverse Osmosis Membrane Element Rejection; Membrane Element Specifications - GE 000 gpd Operation And Maintenance Manual

1.4.5

Reverse Osmosis Membrane Element Rejection

E8-CE RO machines use Fiberglass Reinforced Plastic (FRP). E4H-CE RO
machines use tape wrapped membrane elements. For more information, refer to
the Spare Parts List (P/N 1233377).
Specification
Outer Cover Material
Typical Ionic Rejection (TDS)
Nominal Permeate Flow Rate
[at 7.6 bar (110 psi)]
Typical Feed Water
Temperature Range
Maximum Temperature Range
Short-Term Cleaning
Temperature
pH Range
Chlorine Tolerance
Active Membrane Area
Average Molecular Weight
Cutoff*
* The Molecular Weight (MW) cutoff is based on the pore size of membrane elements and the
nature (size/shape) of the organic molecule.
Table 1.3
Membrane Element
Specifications
E4H-CE
Tape
98.0 - 99.5%
3
8.3 m /d (2200 gpd)
10° - 29°C (50° - 85°F)
0° - 40C (32° - 104°F)
< 43°C (110°F)
3.0 - 11.0
< 0.1 ppm
2 2
7.9 m (85 ft )
1500 MW*
9
E8-CE
FRP
98.0 - 99.5%
3
39.8 m /d (10500 gpd)
10° - 29°C (50° - 85°F)
0° - 40°C (32° - 104°F)
< 43°C (110°F)
3.0 - 11.0
< 0.1 ppm
2 2
32.5 m (350 ft )
1500 MW*