Nanofiltration membranes

Nanofiltration membranes


Principle image

FLISTEC has introduced advanced nanofiltration membranes and, under the guidance of a team of university experts, has carried out special surface treatment on the introduced membranes, resulting in a stable molecular weight cut-off of 200-240 daltons and a 10% increase in flux.

In response to the characteristics of high concentration organic wastewater, garbage leachate, zero discharge f salt and other wastewater, a 34mil wide

The optimization design of grid (or parallel) inlet channels, while increasing the number of membrane bags and shortening the membrane length, reduces the back pressure of water production,

Reduced fouling on the membrane surface, improved membrane operating efficiency, and reduced operating costs.

Product performance characteristics:

1. High removal rate of divalent ions

2. High removal rate of organic compounds, particularly efficient for leachate from garbage

3. Adopting a 34mil wide flow channel (diamond grid or parallel flow channel) reduces the impact of membrane fouling and enhances the effectiveness of membrane cleaning

4. Can perform effective chemical cleaning, with a tolerable cleaning pH range (PH1-12)

5. Shortening the length of the film bag, increasing the number of film bags in the design, improving the operational efficiency of the film, and effectively reducing operating costs


Note: 

1. Parallel flow channels are only used for concentration of high concentration and high viscosity materials, such as protein separation concentration and starch concentration

2. Accept non-standard customization



Experimental and non-standard customized nanofiltration (NF) membranes

FLISTEC has introduced advanced nanofiltration membranes and, under the guidance of a team of university experts, has carried out special surface treatment on the introduced membranes, resulting in a stable molecular weight cut-off of 200-240 daltons and a 10% increase in flux.

In response to the characteristics of high concentration organic wastewater, garbage leachate, zero discharge f salt and other wastewater, a 34mil wide

The optimization design of grid (or parallel) inlet channels, while increasing the number of membrane bags and shortening the membrane length, reduces the back pressure of water production,

Reduced fouling on the membrane surface, improved membrane operating efficiency, and reduced operating costs.

Product performance characteristics:

1. High removal rate of divalent ions

2. High removal rate of organic compounds, particularly efficient for leachate from garbage

3. Adopting a 34mil wide flow channel (diamond grid or parallel flow channel) reduces the impact of membrane fouling and enhances the effectiveness of membrane cleaning

4. Can perform effective chemical cleaning, with a tolerable cleaning pH range (PH1-12)

5. Shortening the length of the film bag, increasing the number of film bags in the design, improving the operational efficiency of the film, and effectively reducing operating costs


NF membrane product specification
NF-ZDK
BrandZmM
Trademark colorBlue green+red orange
ModelZDK8040F34ZDK8040P34
Operating pressure (psi)100
Membrane area (㎡)4037
Flow channel (mil)Diamond grid 34milParallel grid 34mil
Popular titleNanofiltration membrane
Maximum operating pressure (psi)600psi
Scope of applicationGarbage leachate treatment, wastewater recovery, salt separation
Testing standards2000ppm (MgSO4) - test pressure 0.48MPa - temperature 25 ℃
Recovery rate (%)15
Stable desalination rate (%)97
PH value range, continuous operation2-112-11
Water production GDP (m3/d)13000(48.9)12500(47.0)


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Tubular ultrafiltration membranes

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