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Hollow Fiber Nanofiltration membranes
Worldwide unique nanofiltration concept, designed to remove microplastics, pesticides, pharmaceuticals, and color from (waste) water
NX Nano is our family of Hollow Fiber Nanofiltration (HFNF) membranes, combining the low-fouling benefits of a hollow fiber configuration with the ability to remove organics and reduce salinity and hardness from water.
In many applications, only simple pre-treatment such as straining or sand filtration is required. Our membranes are manufactured using a patented layer-by-layer process, in which multiple nano-scale layers are precisely deposited onto a membrane support. This enables highly controlled rejection and flux characteristics tailored to demanding water treatment applications.
Applications
Our HFNF membranes are ideally suited for colour removal, COD/BOD removal, and the recovery of cleaning solutions or colouring dyes from water. Producing potable water directly from surface water, reclaiming industrial wastewater, and removing pharmaceutical residues, microplastics and endocrine disruptors are all areas where HFNF membranes excel.
Product specifications
Our HFNF modules feature an open, low-fouling design without the spacers commonly used in other nanofiltration membranes. In addition, NX Nano modules can be backwashed. Their robust chemical resistance supports continuous operation and allows cleaning with chlorine and at both high and low pH. This chlorine tolerance also helps control biofouling in high-fouling applications.
Projection Tool
The NX Filtration Projection Tool is an intuitive online platform that enables rapid and iterative system design for HFNF membranes. It provides estimates of the rejection of key components such as TOC (Total Organic Carbon), COD (Chemical Oxygen Demand), BOD (Biological Oxygen Demand) and ions in the permeate and concentrate streams. In addition, it estimates the rejection of a range of micropollutants, including PFAS and other organic molecules.
Filtration objective
Suspended solids and turbidity
Bacteria
Viruses, cryptosporidium
Protein, colloidal silica and nano plastics
Color, humic acids, COD
Micropollutants, PFAS, divalent salts
Cut off
Typical Flux (l/m2h)
MgSO4 rejection (%)
Download product specification sheets
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WRC200 dNF
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WMC200 dNF
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WMC110 dNF
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WMC110 dNF Short
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MP025-0300 dNF
Case studies
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NX NanoWorld’s largest hollow fiber nanofiltration plant for indirect potable reuse in Mexico (SAPAL) -
NX NanoReliable Chemical- Free Drinking Water for High-End Urban Developments -
NX NanoHigh-performance COD removal with hollow fiber nanofiltration technology
Contact
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