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Submerged hollow fiber ultrafiltration membrane product

The submerged hollow fiber ultrafiltration uses a specific packaging technology to encapsulate the ultrafiltration membrane filaments in an open module and directly immerse them in the water to be treated. Negative pressure or gravity creates a vacuum in the membrane, and the two sides of the waist form a driving force. The water body is purified through mechanical sieving and membrane pore adsorption.
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 Product introduction

沉浸式中空纤维超滤膜1

The submerged hollow fiber ultrafiltration uses a specific packaging technology to encapsulate the ultrafiltration membrane filaments in an open module and directly immerse them in the water to be treated. Negative pressure or gravity creates a vacuum in the membrane, and the two sides of the waist form a driving force. The water body is purified through mechanical sieving and membrane pore adsorption.

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 Product Parameter (Specification) 


Key parameter table of submerged hollow fiber ultrafiltration membrane

a. Membrane parameters

membrane material

PVDF

film form

External pressure hollow fiber

Nominal aperture

0.1um

Membrane inner/outer diameter

0.7/1.3mm

b. component parameter

Membrane area(m²)

50

Component nominal size(mm)

170*2248

Connection size(mm)

DN50

Exhaust material

ABS

Casting material

Epoxy + Polyurethane

Clear water/empty weight

15kg/30kg

C. Operating parameters

temperature range

0~40

Continuous operating pH range

1~11

Maximum NaCIO tolerance

5000pрm

Chemical Cleaning pH Range

1~13

operating flux

25~70L/(m2hr)

backwash flux

30~70L/(m2hr)

operating transmembrane pressure difference

0-0.04MPa

backwash pressure

0.12MPa

d. Water production index

Turbidity

≦0.2NTU

pollution index

≦3.0

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 Product Feature

The submerged ultrafiltration membrane module adopts PVDF hollow fiber ultrafiltration membrane and adopts open filtration, which reduces the requirements for influent pretreatment, and the overall installation method reduces the floor space. It has become another type after pressure ultrafiltration. New membrane application technology.

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 Product advantage

1.The fully open design has the characteristics of large flux, high strength, and chemical washing resistance, which reduces the deposition of pollutants.

2. The membrane module is immersed in the filtered water body as a whole. The integration of aeration and water collection reduces pipelines and supports, saves time and effort for installation and maintenance, and reduces the footprint of the membrane pool.

3. Periodic backwashing and membrane tank aeration can effectively reduce membrane surface pollution, and low-frequency chemical online cleaning can help eliminate deep membrane pollution and ensure long-term stable operation of the membrane system. 

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 Application field

1.Drinking water supply terminal 

2.Surface water pretreatment

3.Seawater pretreatment

4.Advanced treatment of municipal wastewater secondary sedimentation tank effluent

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