Description
Description
Description
The SWFR-400 membrane offers high NaCl and boron rejection, helping customers meet World Health Organization standards and national drinking water hygiene standards. It maintains high performance over long-term operation, with strong anti-fouling capability and excellent cleaning recovery.
Product Specifications and Performance Parameters Table
Test Conditions: NaCl + H₃BO₃ aqueous solution, temperature 25°C, pH 7.5-8.0, recovery rate 8%; water production variation range ±15%.
Operating Conditions
The SWFR-400 membrane offers high NaCl and boron rejection, helping customers meet World Health Organization standards and national drinking water hygiene standards. It maintains high performance over long-term operation, with strong anti-fouling capability and excellent cleaning recovery.
Product Specifications and Performance Parameters Table
|
Model |
Stable Salt Rejection Rate |
Minimum Salt Rejection Rate |
Stable Boron Rejection Rate |
Water Production Rate |
Effective Membrane Area |
Feed Water Screen |
Test Solution Concentration |
Test Pressure |
|||
|
% |
% |
% |
GPD |
m³/d |
ft2 |
m2 |
mil |
mg/L |
psi |
MPa |
|
|
SWFR-400 |
99.8 |
99.6 |
93 |
7500 |
28.4 |
400 |
37.2 |
34 |
NaCl ：32000 + H3BO3 ：5 (Boron-Based) |
800 |
5.52 |
Operating Conditions
|
Maximum Operating Pressure |
1200 psi (8.27MPa) |
|
Maximum Feed Water Temperature |
45 ℃ |
|
Maximum Feed Water SDI15 (Silt Density Index) |
5.0 |
|
Chlorine Tolerance |
0.1 mg/L |
|
Feed Water pH Range for Continuous Operation |
2-11 |
|
Feed Water pH Range for Chemical Cleaning (30 min) |
1-13 |
|
Maximum Allowable Pressure Drop for Single Membrane Element |
15 psi (0.10 MPa) |
1.The maximum temperature for continuous operation at a pH above 10 is 35°C.
2.Under certain conditions, the presence of residual chlorine and other oxidants can lead to premature membrane failure. It is recommended that users remove it through pretreatment before residual chlorine comes into contact with the membrane.
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