Standart membrane element KM 8040-C (2,3)
Application
Sea and highly mineralized water up to 35 g/l
| Model |
A, mm |
B, mm |
B' (ATD), mm |
C, mm |
D, mm |
Weight, kg |
| KM 8040-C |
1016.00 |
200.10 |
0.00 |
28.60 |
0.00 |
16.60 |
| KM 8040-C2 |
1016.00 |
200.10 |
0.00 |
28.60 |
0.00 |
17.65 |
| KM 8040-C3 |
1016.00 |
200.10 |
0.00 |
28.60 |
0.00 |
17.65 |
Product description
| Membrane material |
Composite polyamide |
| Membrane type |
ОРМ45К |
| Design |
Spiral wound |
| Application |
Sea water desalination |
Specification
| Model |
Flux, GPD |
Rejection, % |
Area |
Spacer |
| m2 |
ft2 |
mm |
mil |
| KM 8040-C |
10 500 |
99.70 / 99.55 |
39.00 |
420.00 |
0.72 |
28.00 |
| KM 8040-C2 |
9 500 |
99.70 / 99.55 |
37.00 |
400.00 |
0.79 |
31.00 |
| KM 8040-C3 |
9 000 |
99.70 / 99.55 |
35.00 |
375.00 |
0.86 |
34.00 |
TEST CONDITIONS: test solution of NaCl 32 g/l, P=5,5 MPa, T=25°C , pH=7,5. Recovery - 10%
Nominal rejection is reached after 48 hours of continuous operation on test solution.
Minimal rejection of a new element after 20 minutes test on test solution.
Operating conditions and technical data for designing
|
Maximum pressure drop, MPa
|
0,1 |
|
Operation temperature, С1
|
4-45 |
|
рН at operation1
|
2-11 |
|
рН at chemical cleaning (short time operation)
|
2-11 (t≤45°C); 1-13 (t≤35°C)* |
|
Concentrate/permeate ratio on each element, min
|
10:1 |
|
SDI (15 minutes test), max
|
5 |
|
Turbidity, NTU max
|
1 |
|
Free chlorine content, mg/l max
|
0,1 |
|
Maximum feed flow, m3/hr
|
17 |
|
Chemical washing, T
|
t≤45°C (рН 2-11); t≤35°C (рН 1-13)* |
1) During continuous work with pH over 10,5 the temperature must not exceed 35°С
2) Flow of each element in a batch may vary +/-15%
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