Nanofiltration
High performance energy savings ESNA (Energy Saving Nanofiltration) nanofiltration membrane elements are ideal for softening applications and the removal of pesticides, bacteria or viruses. They provide 50%-90% salt rejection with ultra-low-pressure operations, increased energy savings, and significantly lower installation and operating costs. They can effectively remove organics which can form disinfection by-products in municipal water distribution lines. At the Boca Raton plant the THM formation potential was reduced from 0.6 mg/L to less than 0.020 mg/L, well below the 0.042 mg/L limit.
- Up to 91% nominal rejection
- Effectively removes organics
- Optimum hardness rejection
- Ultra-low pressure, energy saving, lower OPEX
- New technology for higher productivity; minimizes bio-fouling and colloidal fouling and enhancing cleanability
A New Generation of ESNA Performance
ESNA1-LF are high performance nanofiltration membranes ideal for softening applications and the removal of pesticides, bacteria or viruses. They provide 50%-90% salt rejection with ultra-low-pressure operations, increased energy savings, and significantly lower installation and operating costs.
ESNA1-LF significantly reduces operating costs and provides optimum hardness rejection for softening applications, available in 4-inch and 8-inch diameter configurations
ESNA1-LF2 are designed to provide high rejection of natural organic materials and moderate rejection of total hardness, while running below 100 psi, offering energy and cost savings.
|
Model No. |
Size |
Flow Rate |
Test Pressure (psi) |
Nominal CaCl2 Rejection (%) |
Minimum CaCl2 Rejection (%) |
|
|
gpd |
m³/d |
|||||
|
ESNA1-LF-LD-4040 |
4” × 40” |
1,700 |
6.4 |
75 |
89 |
86 |
|
ESNA1-LF2-LD-4040 |
4” × 40” |
2,000 |
7.6 |
75 |
86 |
83 |
|
ESNA1-LF-LD |
8” × 40” |
8,200 |
31.0 |
75 |
89 |
86 |
|
ESNA1-LF2-LD |
8” × 40” |
10,500 |
39.7 |
75 |
86 |
83 |
Please see product specification sheets for the test conditions under which the stated performance are based, and exact membrane element dimensions.
- Enhanced Membrane Chemistry for Increased Chemical Resistance
- Innovative Spacer Design to Minimize Trapping of Small Colloidal Particles
- HYDRAblock Technology Providing Biostatic Properties to Minimize Proliferation of Biological Fouling
- Proprietary Vented Seal Carrier to Eliminate Pressure-Shock Damage During System Startup
- Municipal Water Treatment
- Softening Applications
- Removal of Pesticides, Bacteria or Viruses