ESNA1-LF-4040 High Performance Nanofiltration Membranes

Significantly reduces operating costs and provides optimum hardness rejection for softening applications

ESNA from Hydranautics is a high performance nanofiltration membrane ideal for applications requiring removal of organics, bacteria or viruses, and provides salt rejection from 50% to 90%. Its ultra-low-pressure operation provides increased energy savings with significantly lower installation and operating costs.

ESNA1-LF-4040

Size: 4.0 x 40

Flow Rate: 2100

Test Conditions

CaCl2 Solution, PPM 500

Applied Pressure, psig (MPa) 75 psi (0.52)

Operating Temperature, °F (°C) 77° (25°)

Permeate Recovery 15%

pH Range 6.5-7.0

Application Data

Maximum Applied Pressure, psig (MPa) 600 (4.16)

Maximum Feed Flow, GPM (m3/h) 8 inch-75 (17.0)

Maximum Operating Temperature, °F (°C) 113° (45°)

Feedwater pH Range* 3.0-10.0

Maximum Feedwater Turbidity, NTU 1.0

Maximum Feedwater SDI (15 mins) 4.0

Maximum Chlorine Concentration, PPM <0.1

Maximum Ratio of Concentrate to Permeate Flow for Any Element 5:1

Maximum Pressure Drop for Each Element, psig 10