2、Specifications
|
Model |
BDX4040B-ULP |
BDX8040B-ULP |
|
Capability |
Materials |
PA |
|
Average Salt Rejection - % |
99.2(98.0) |
|
Permeate Flow ！gpd(m3/d) |
2200(8.4) |
9500(36.0) |
|
Error |
＼15% |
|
Active Membrane Area！ft2(m2) |
75(7.0) |
385(36.0) |
|
Test Conditions |
Standard Solution |
1500ppmNaCl |
|
Operating Pressure - psi(MPa) |
150(1.05) |
|
Recovery Rate of Single Membrane Element |
15% |
|
Temperature！≧ |
25 |
|
PH Value of Solution |
7 - 8 |
|
Test Time |
Run for 30 minutes |
|
Limiting Conditions |
Max. Feedwater Temperature！≧ |
45 |
|
Max. Operating Pressure - psi(MPa) |
600(4.12) |
|
Max. Feedwater Flow ！gpm(m3/h) |
16(3.6) |
75(17.0) |
|
Max. SDI of Feedwater |
5 |
|
Max. NTU of Feedwater |
1 |
|
Concentration of Free Chlorine - ppm |
< 0.1 |
|
PH Value Range of Feedwater as Continuous Operation |
2-11 |
|
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 : ! |
3、Important Informations
3.1 when pH > 10 the maximum operating temperature keeps at 35 ? If free chlorine and other oxidable substances exist, the oxidability will destroy the performance. Thus, users are suggested to remove the free chlorine and other oxidable substances during pretreatment.
3.2 All elements have been tested before they go out and they are in vacuum package in 1.5% of sodium bisulfate . In extremely cold areas, glycerin (10% concentration) is added as antifreeze fluid. To keep microbe from breeding in short stock, delivery and system halt, element is suggested to be impregnated in protection solution (prepared with produced water through reverse osmosis), containing 1.5% of sodium bisulfate at food grade.
3.3 You'd better not open the elements before use, if so, please keep them moist.
3.4 The pressure should be increased gradually during water input, and the lasting time to normal operating state is at least 30-60 seconds; the speed of feedwater should also be added gradually, and the lasting time reaching regulated value is at least 15-20 seconds.
3.5 When it is first used, the permeate water need discharge for at least 1 hour.
3.6 Element is disinfected with only after 6 hour use, otherwise, it may cause flux loss.
3.7 The back pressure of permeate of single vessol water at anytime should be within 0.03MPa and the maximum pressure difference is within 50psi(0.34MPa).
3.8 If there is problem with membrane caused by wrong operation, such as operating conditions and the limiting conditions, we have no responsibility to guarantee the 3-year quality.
3.9 There are problems with elements caused by customers' mixing membrane with chemical agents, lubricants or protection solution, etc which are not compatible, we have no responsibility to guarantee the 3-year quality.
4、Sizes Dimensional Unit : Inch (mm)
5、Notice
The Relevant data and information on products provided by Beidouxing is only for reference. Users have responsibility to ensure its applicability and safety according to their own purposes. All the data and information is accurate. Thus we have no legal responsibility as well as any guarantee, for the operating ways and conditions can not controlled by Beidouxing.
Information mentioned above all might be emended anytime because of updating of technology and products, we will not give announcement in advance.
