Standart membrane element KM 4040-C
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 4040-C |
1016.00 |
100.00 |
0.00 |
19.10 |
26.70 |
4.05 |
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 4040-C |
2 100 |
99.70 / 99.40 |
8.00 |
86.00 |
0.72 |
28.00 |
TEST CONDITIONS: test solution of NaCl 32 g/l, P=5,5 MPa, T=25°C , pH=7,5. Recovery - 8%
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
|
3,6 |
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%