Description:
NF series product is a polypiperazine composite nanofiltration membrane element developed by KeenSen, with selective separation characteristics. It has a high removal rate for almost all bacteria, viruses, microorganisms, macromolecular organics, antibiotics, pesticides, pesticide residues and other small molecular organics, heavy metals and most divalent and multivalent ions in water of solutions, while retaining some sodium, potassium, calcium, magnesium, metasilicic acid, other beneficial nutritional minerals and small molecular substances.
It is applicable for the preparation of directly drinking water, mineral water, softened water, the partial desalination and decolorization treatment of wastewater with high salt concentration and organic concentration, the separation and purification of some inorganic salts and organic materials.
Nanofiltration series products have extremely low operating pressure, which can greatly save the operating costs of equipment. The membranes are widely used in drinking water, food andbeverage, medicine, water reuse, wastewater treatment and other industries.
Applications:
- Industrial applications for landfill leachate wastewater treatment, textile and dyeing, pulp & paperproduction etc.
- Decoloration, removal of COD.
- Liquid concentration and separation, brackish water softening, drinking equipment in office or residential site, mineral water production etc.
Benefits:
- Selective Separation, high monovalent ion passage and high divalent ion and COD rejection.
- Extra-Low Operating Pressure, High Permeability.
- Increased Energy Saving, Cost-effective.
| Model |
Active Area
ft2(m2) |
Permeate Flow
Rate GPD(m3/d) |
Stabilized Salt
Rejection (%) |
Test Solution |
| NF1-8040 |
400(37.2) |
11000(41.6) |
50-70 |
NaCl |
| 9000(34.0) |
>98 |
MgSO4 |
| NF2-8040 |
400(37.2) |
13000(49.2) |
30-50 |
NaCl |
| 11000(41.6) |
>97 |
MgSO4 |
| NF1-8040R |
400(37.2) |
11000(41.6) |
>85 |
NaCl |
| 9000(34.0) |
>99 |
MgSO4 |
Standard Test Condition:
| Solution |
Temperature
(℃) |
pH |
Operating Pressure
psi(MPa) |
Recovery
(%) |
| 500mg/L NaCl |
25 |
7.5-8.0 |
70(0.48) |
15 |
| 2000mg/LMgSO4 |
25 |
6.5-7.0 |
70(0.48) |
15 |
| Individual flow rate may vary ±15% |
|
| Element Dimensions and Operating Limits: |
| Model |
Length |
Diameter |
Permeate Tube inner
Diameter |
Permeate Tube
Extension Length |
| inch |
mm |
inch |
mm |
inch |
mm |
inch |
mm |
| 8040 |
40 |
1016 |
7.9 |
201 |
1.12 |
28.5 |
/ |
/ |
| 4040 |
40 |
1016 |
3.9 |
99 |
0.75 |
19.1 |
1.04 |
26.5 |
| |
| Maximum Operating Pressure |
600psi(4.14MPa) |
| Maximum Operating Temperature |
45℃ |
| Maximum Feed Silt Density Index (SDI15) |
5.0 |
| Free Chlorine Tolerance |
0.1mg/L |
| pH Range,Continuous Operation |
3- 10 |
| pH Range,Short-Term Cleaning |
1- 13 |
| Maximum Element Pressure Drop |
15psi(0.1MPa) |
Product Tags:
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High Permeability Industrial NF Membrane NF2-8040 for separation and water purification Images
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