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BDX8040B-400 membrane element is used for the desalination of low salinity water and other similar water and it has high desalination rate and long time stable performance under high flowand low operating pressure (fall 20-40% compared with common low pressure membrane).
It is used to produce pure water or ultra pure water in electronics, power, petrochemical, food, beverage and pharmacy.
| Model | BDX8040B-400 |
Capability | Materials | PA(polyamide) |
Average Salt Rejection% | 99.5(99.0) | |
Permeate Flow gpd(m3/d) | 10500(41) | |
Error | ±15% | |
Active Membrane Area ft2(m2) | 400(37.0) | |
Testing Conditions
| Standard Solution | 2000 ppm NaCl |
Operating Pressure psi(Mpa) | 225(1.55) | |
Recovery Rate of Single Membrane Element | 15% | |
Temperature deg C | 25 | |
PH Value of Solution | 6.5-8.5 | |
Test Time | Run for 30 minutes | |
Limiting Conditions
| Max. Feedwater Temperature deg C | 45 |
Max. Operating Pressure psi(MPa) | 600(4.12) | |
Max. Feedwater Flow gpm(m3/h) | 75(17.0) | |
Max. SDI of Feedwater | 5 | |
Max. NTU of Feedwater | 1 | |
Concentration of Free Chlorineppm | < 0.1 | |
PH Value Range of Feedwater as Continuous Operation | 2-12 | |
PH Value Range of Feedwater as Chemical Cleaning | 1-12 | |
Max. Pressure Difference of Single Membrane Element psi(MPa) | 13(0.09) | |
The minimal proportion of single membrane element's conc. press to perm. flow | 5 : 1 |
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