Type |
Model |
Performance |
Structure Parameter |
Stabilized Salt Rejection % |
Permeate flow rate gpd (m3/d) |
Effective membrane area /ft2 |
Flow path Dia/mil |
Inner pipe Dia/mm |
Model |
LP21-4021 |
99.0 |
950 (3.6) |
33 |
31 |
19.0 |
LP21-4040 |
99.5 |
2400(9.1) |
90(8.4) |
31 |
19 |
LP21-8040 |
99.5 |
9600(36.3) |
365(33.9) |
34 |
28.7 |
Testing conditions |
Testing Pressure |
225psi(1.55MPa) |
Temperature of testing |
25ºC |
Testing Concentration (NaCl) |
2000 mg/L |
pH Value of testing |
7.5 |
Recovery of single membrane element |
20% |
Operation limits and conditions |
Max. Working Pressure |
600 psi (4.14 MPa) |
Max. Feed water Flow |
75 gpm (17 m3/h) (8040) |
16 gpm (3.6 m3/h) (4040) |
Max inflow temperature |
45ºC |
Max flow SDI15 |
5 |
Residual Chlorine Concentration of feed water |
<0.1 mg/L |
pH range of Feed water during Continuous Operation |
3~10 |
pH range of feed water during chemical cleaning |
2~12 |
Max, Pressure Drop of Single membrane element |
15 psi(0.1 MPa) |