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NF series of membrane elements performance
NF series of membrane elements performance
NF series of membrane elements performance
NF series of membrane elements performance

NF series of membrane elements performance

Model:AD8040-NF
Max. Working Pressure: 600 psi (4.14MPa)
Max. Feed Temperature: 45℃
Max. Feed TDS: 2000 ppm
Max. Feed Hardness: 60 ppm
Max. SDI (15psi): 5
Max. Turbidity: 1.0 NTU
Residual Chlorine in Feed Water: ＜0.1 ppm
Continuous Operating pH Range: 3 ~ 10
Max. Feed COD:10ppm; BOD:5ppm; TOC:10ppm
Max. Single Element Pressure Drop: 15psi (0.1MPa)
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Description

NF Series Nanofiltration Membrane Elements:

The NF series nanofiltration membrane elements deliver high permeate flow and outstanding desalination performance, making them ideal for large-scale industrial and municipal water treatment systems.
They feature excellent removal efficiency for pesticides, viruses and bacteria, strong retention of natural organic matter, and moderate rejection of total hardness.

Built with innovative technology, these elements possess a robust membrane surface and superior oxidation resistance. Operation under ultra-low pressure can greatly enhance system efficiency and reduce operational costs.

NF Series Nanofiltration Membrane Elements
Our NF series nanofiltration membrane elements achieve high permeate flux and excellent desalination capacity, perfectly suited for large-scale industrial water treatment and municipal water purification projects.
✅ Core Advantages
*Excellent removal of pesticides, viruses and bacteria
*High retention efficiency of natural organic substances
*Moderate rejection rate against total hardness
*Reinforced membrane surface with outstanding anti-oxidation performance

*Supports ultra-low pressure operation, lowering overall system energy consumption & operating cost

NF series of membrane elements performance:

Model
Membrane ft²(m²)
Average Permeate GPD(m³/d)
Stable Rejection%
 Min. Rejection%
AD4040-NF 85（7.9）
 2200 (7.9)
 55~75
 -
AD8040-NF 400（37）
 9000 (33.9)
 55~75
 -
NF series of membrane elements Testing Conditions:
Testing Pressure
 70 psi (0.48MPa)
Temperature of Testing Solution
  25 ℃
Concentration of Testing Solution (NaCl)
 2000ppm NaCl；2000ppm MgSO
pH Value of Testing Solution
 8
Recovery Rate of Single Element
 15%
NF series of membrane elements Operation Limits & Conditions:

Max. Working Pressure
  600psi（4.14MPa）
 Max. Feed Water COD
  10ppm
Max. Feed Water Flow
 75gpm（17m3/h)For 8040
 16gpm（3.6m3 )For 4040
Max. Feed Water BOD
  5ppm
Max. Feed Water TOC
  10ppm
Max. Feed Water Temperature
 45℃
Residual Chlorine 
Concentration of Feed Water
＜ 0.1ppm
Max. Feed Water TDS
 2000ppm
pH Range of Feed Water 
During Continuous Operation
3 ～ 10
Max. Feed Water Hardness
  60ppm
Max. Pressure Drop of 
Single Element


Max. Feed Water SDI 15psi
 5 15psi（0.1MPa）8040、4040
Max.Turbidity NTU
 1.0





MembraneNanofiltration MembraneNf MembraneOw Pressure Nanofiltration MembraneMunicipal Water Treatment MembraneIndustrial Water Purification Membrane
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