NF Membrane
NF membranes are advanced filters that selectively remove divalent and larger monovalent ions, organic molecules, and contaminants from water. Positioned between ultrafiltration and reverse osmosis in filtration performance, they offer an efficient solution for applications needing partial salt rejection and high flow.

NF membranes (Nanofiltration membranes) are advanced filtration elements designed to selectively remove divalent and larger monovalent ions, organic molecules, and contaminants from water. Positioned between ultrafiltration and reverse osmosis in terms of filtration performance, NF membranes offer a highly efficient solution for applications where partial salt rejection and high flow are required.
At KaT Solution, we supply high-quality NF membranes from both Veolia and DuPont, two leading global manufacturers in membrane technology.
Key Benefits of NF Membranes
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High rejection of divalent salts, hardness, color, and organic substances
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Partial passage of monovalent salts like sodium and chloride
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Low energy consumption due to lower operating pressure compared to RO membranes
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High permeate flow and stable long-term operation
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Ideal for process water, food & beverage, and wastewater recovery
NF Membranes Offered by KaT Solution
Veolia NF Membranes Veolia provides a range of nanofiltration membranes tailored for applications in dye removal, softening, organics separation, and partial desalination. Their membranes are engineered with chemical resistance and performance durability for challenging feedwater conditions.
DuPont FilmTec™ NF Membranes DuPont’s FilmTec™ NF series offers precise separation of divalent ions and organic matter with high recovery rates. These membranes are trusted in industries such as dairy processing, beverage production, and specialty chemical treatment, thanks to their consistent performance and resistance to fouling.
Common Applications
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Water softening without complete desalination
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Color and organic compound removal
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Partial desalination of brackish water
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Separation in food, beverage, and pharmaceutical processing
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Industrial wastewater recovery and reuse
Why Choose KaT Solution?
KaT Solution delivers technical expertise and authentic NF membranes from Veolia and DuPont, tailored to each client’s system and water quality needs. With professional support, fast response, and product availability, we help customers optimize filtration performance and operational costs.