Nano Filtration RO Membrane

Waterfiltec Nanofiltration membrane elements are designed for process applications where a separation of solutes is desired.

Nanofiltration membrane is a durable polypiperazine amide membrane designed to reject organics with a molecular weight above 200 while passing monovalent salts.

Our Nanofiltration membrane  elements are used in a variety of applications such as desalting organic compounds, acid processing, metal recovery and antifreeze recovery.

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Operating Limits

Maximum Operating Temperature 113 °F (45°C)
Maximum Operating Pressure 600 psi (41 bar)
Maximum Pressure Drop 15 psig (1.0 bar)
pH range, continuous operation 3 – 10
pH Range, Short-Term Cleaning 1 – 12
Free Chlorine Tolerance <0.1 ppm
Hydrogen peroxide:

Continuous operation (@ 77°F/25°C max.)   20 ppm

Short-term sanitizing (@77°F/25°C max.)   1,000 ppm


Depending on the application requirements, new Nanofiltration spiral elements may be cleaned prior to initial use. The cleaning procedure should be based on the application for which the elements are to be used. If cleaning with formulated agents is not available, an alkaline wash with wetting agent is recommended prior to initial use.

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