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Nanofiltration (NF)

Overview

Nanofiltration (NF) membranes bridge the gap between ultrafiltration and reverse osmosis, offering selective ion separation with lower operating pressures.

FLUXA™ NF membranes by Adimem Technologies offer precise molecular separation with lower energy requirements compared to reverse osmosis. These spiral wound membranes are designed for selective removal of divalent salts, color, organics, and large molecules, while allowing partial passage of monovalent salts—making them ideal for applications like water softening, dye recovery, and wastewater polishing.

  • AMT-FLUXA™-NF-30

    Low-rejection NF membrane for dye concentration, sugar separation, and partial hardness removal where monovalent salt passage is desired.



  • AMT-FLUXA™-NF-60

    Medium-rejection NF membrane balancing monovalent and divalent salt rejection—ideal for partial desalination and hardness removal.



  • AMT-FLUXA™-NF-90

    Tight nanofiltration membrane with high rejection of both monovalent and divalent salts—suitable for applications requiring near-RO performance with higher permeability.


Model NaCl Rejection MgSO₄ Rejection Size Outerwrap Data Sheet
AMT-FLUXA™-NF-30 30–50% 96% 8040/4040 Industrial FRP 8040: Get Pdf 4040: Get Pdf
AMT-FLUXA™-NF-60 50–70% 96% 8040/4040 Industrial FRP 8040: Get Pdf 4040: Get Pdf
AMT-FLUXA™-NF-90 >85% 98% 8040/4040 Industrial FRP 8040: Get Pdf 4040: Get Pdf

Note: Membrane are is 37.2 m2 for 8040 and 7.5 m2 for 4040. Rejections are measured under standard test conditions, refer TDS.


Key Benefits of FLUXA™ NF Membranes

  • Selective removal of divalent salts, color, organics, and large molecules
  • Partial passage of monovalent salts helps reduce osmotic pressure
  • Energy-efficient operation vs. RO with high permeate quality
  • Excellent performance in dye recovery and wastewater polishing
  • Available in 30%, 60%, and 90% NaCl rejection options
  • Broad pH and chemical resistance for CIP and industrial use