RO ULP4040 /ULP8040 membrane elements are spiral wound, composite polyamide membrane elements for Brackish Water treatment.
These membranes are characterized by a Low operating feed pressure, normally is 150psi(1.05MPa) and result in higher salt rejection rate(especially good for removing TOC, SiO2, etc.), above 99.1%-99.5%. These membranes are designed for industrial water treatment applications(NaCl≤2,000ppm, Salt content≤3000us/cm), such as the treatment of surface water, underground water, tap water, and municipal water for Foodstuff processing, Pharmaceutical production.
|
Model |
Active Membrane |
Average Permeate |
Stable Rejection |
Min. Rejection |
Spacer Net Thickness |
|
ULP-8040 |
400ft2 (37.2m2) |
10,500gpd (40m3/d) |
99.5% |
99.1% |
31mil (0.79mm) |
|
Testing Conditions |
Testing Pressure |
150psi (1.05MPa) |
Temperature of Testing Solution |
25℃ |
|
Concentration of Testing Solution (NaCl) |
1,500ppm |
pH Value of Testing Solution |
7.5 |
|
|
Recovery Rate of Single Element |
15% |
|
|
|
Operation Limits & conditions |
Max. Feed Water Flow |
75gpm (17m3/h) |
|
Max. Working Pressure |
600psi (4.14MPa) |
|
|
Max. Feed Water Temperature |
45℃ |
|
|
Max. Feed Water SDI15 |
< 5 |
|
|
pH Range of Feed Water During Continuous Operation |
3~10 |
|
|
pH Range of Feed Water During Chemical Cleaning |
2~12 |
|
|
Residual Chlorine Concentration of Feed Water |
< 0.1 ppm |
|
|
Max. Pressure Drop of Single Element |
10psi (0.07MPa) |
|
|
Max.Turbidity NTU |
1.0 |
|
Model |
Active Membrane |
Average Permeate |
Stable Rejection |
Min. Rejection |
Spacer Net Thickness |
|
BW-8040 |
400ft2 (37.2m2) |
10,500gpd (40m3/d) |
99.5% |
99.3% |
31mil (0.79mm) |
|
Testing Conditions |
Testing Pressure |
225psi (1.55MPa) |
Temperature of Testing Solution |
25℃ |
|
Concentration of Testing Solution (NaCl) |
2,000ppm |
pH Value of Testing Solution |
7.5 |
|
|
Recovery Rate of Single Element |
15% |
|
|
|
Operation Limits & conditions |
Max. Feed Water Flow |
75gpm (17m3/h) |
|
Max. Working Pressure |
600psi (4.14MPa) |
|
|
Max. Feed Water Temperature |
45℃ |
|
|
Max. Feed Water SDI15 |
< 5 |
|
|
pH Range of Feed Water During Continuous Operation |
2~11 |
|
|
pH Range of Feed Water During Chemical Cleaning |
1~13 |
|
|
Residual Chlorine Concentration of Feed Water |
< 0.1 ppm |
|
|
Max. Pressure Drop of Single Element |
10psi (0.07MPa) |
|
|
Max.Turbidity NTU |
1.0 |



