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External pressure hollow fiber ultrafiltration membrane product

External pressure ultrafiltration membrane modules are currently dominated by hollow fiber membranes. This product adopts an external pressure structure with higher dirt-holding capacity, a unique ring gap water collection-drainage structure, and combined with air-water scrubbing mode to make the cleaning and sewage removal effect of the module greatly enhanced.

Availability:

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 Product Introduction

外压式中空纤维超滤膜_jpg

External pressure ultrafiltration membrane modules are currently dominated by hollow fiber membranes. This product adopts an external pressure structure with higher dirt-holding capacity, a unique ring gap water collection-drainage structure, and combined with air-water scrubbing mode to make the cleaning and sewage removal effect of the module greatly enhanced.

The company's product PSD-77FR adopts high-performance PVDF membrane material. The average pore size is 30nm, which can remove almost all particles, bacteria, most germs and colloids. It has good chemical stability and can withstand high concentraions of oxidizing fungicides for a long time chemical cleaning.

膜丝微观结构_jpg中空纤维膜丝_jpg

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 Product Parameter (Specification)

Performance parameters of PSD-77FR external pressure ultrafiltration membrane

a. Membrane parameters

Membrane material

PVDF

film form

External pressure hollow fiber

Average pore size

30mm

Membrane inner/outer diameter

0.7/1.3mm

b.component parameters

Membrane shell and end cover material

UPVC

Membrane area

77m²

End cap hoop material

304 stainless steel

sealing surface material

EPDM rubber

End cap connection

Stainless steel hoop connection

Interface Connection

copy forest connection

Component wet weight

100kg

Component water volume

39L

Inlet pressure

≦6.25Bar

Differential pressure across the membrane

≦2.1Bar

Maximum operating temperature

40℃

Maximum influent turbidity

300NTU

c. Effluent water quality

Turbidity

≦0.5NTU

Water production SDI15

≦5

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 Product Feature

1.The separation aperture is small, and the produced water is of high quality:

The nominal pore size is 30nm, and the filtration precision is high, which can effectively filter out particles such as bacteria, viruses and colloids.

2.High mechanical strength and excellent chemical resistance:

It has good mechanical properties, can withstand repeated air scrubbing, and has excellent chemical resistance.

3.Strong hydrophilicity, excellent cleaning and recovery performance:

Hydrophilic modified PVDF membrane filament has good wettability and excellent pollution resistance, which helps to maintain long-term stable performance.

4.External pressure structure, low pretreatment requirements:

The external pressure design allows pollutants with larger particle sizes to enter, which can reduce the impact on the pretreatment process.

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 Product advantage

Low maintenance cost: The external pressure module structure with higher pollution-carrying capacity makes the pollution-holding capacity of the module signi


ficantly better than that of other structures. The external pressure water inlet method is adopted, and there is a large free space between the waist wires. Efficient air-water mixed scrubbing can be used to reduce pollution.


High sewage interception and easy cleaning: The unique design of water collection and drainage in the annular gap maximizes the sewage discharge capacity of the membrane module, which effectively improves the cleaning and sewage discharge effect of the membrane module.

Stable chemical performance: permanent hydrophilic polyvinylidene fluoride (PVDF) has excellent oxidation resistance, anti-pollution performance and long service life.

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 Application field

1.Municipal sewage reuse

2. Water purification in waterworks

3.Chemical wastewater treatment and reuse

4.Pretreatment of seawater desalination

5.Advanced treatment of refinery wastewater

6.Advanced treatment of coking wastewater



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