Outside-in high flux sewage treatment with ultrafiltration membrane

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US $510-560 / Pieces | 1 Piece/Pieces (Min. Order)
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Overview
Quick Details
Place of Origin:
Beijing, China (Mainland)
Brand Name:
Canpure
Model Number:
CPO-1030
Material:
PVDF
Configuration:
Pressured outside-in
Size:
diameter250*length965mm
Membrane area:
35m2
membrane making method:
c-TIPS
fiber ID/OD:
0.7/1.3mm
Capillary ID/OD(mm):
0.7/1.3
Supply Ability
Supply Ability:
1000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
Standard package
Port
Tianjin,Beijing,Shanghai port
Lead Time :
within 15 days since receipt the payment
Product Details

Canpure Outside-in Membrane Module features large membrane area per module, strong anti-fouling 


capacity, high chemical resistance and large flux under low pressure. The membrane can effectively 


reduce the turbidity of the raw water, remove suspended solids, colloids, microorganisms and other 


substances, and it is characterized by high adaptability to varieties of raw water, easy operation and 


maintenance, as well as stable and reliable quality of produced water.

Product Features

“Complex Thermally Induced Phase Separation” (c-TIPS) PVDF UF membrane

/ patented technology /

Canpure PVDF Outside-in UF membrane is made by Canpure’ s patented c-TIPS technology. It has 

capillary strength about 3 times higher than PVDF membrane prepared by NIPS Method and much better 

filtration grade than PVDF membrane prepared by conventional TIPS Method.

Permanent hydrophilic property / patented technology /

During the preparation of Canpure Outside-in UF membrane, hydrophilic substances are added and 

special cross-linking technique is applied, endowing the permanent hydrophilic property of the capillary, 

more stable product water flux, improved anti-fouling property and better cleaning recovery.

High anti-oxidation performance

Canpure PVDF Outside-in UF membrane features high crystallinity, can tolerate oxidant with higher 

concentration, and thus can achieve more profound cleaning effect and longer life.

High strength and large flux

Canpure Outside-in UF membrane has a capillary strength of higher than 10 MPa,

standard produced water flux 400L/m²•h•bar at 25℃.

Unique aeration structure

Canpure Outside-in UF membrane adopts unique aeration device inside the module, ensuring more even 

aeration and better air cleaning effect.

Integrated bundles of fibers / patented technology /

Membrane capillaries in Canpure Outside-in UF membrane module are evenly distributed inside the 

module by integrating 18 sub-bundles.

Soft Potting / patented technology /

The soft potting technique invented by Canpure realizes the flexible connection between the “root” of the 

capillaries and the soft layer of the potting material, and prevents the break of the root of the capillaries.
Product Introduction

Clean in place chemical cleaning

Periodically backwashing the membrane can remove most of the fouling matters, but sooner or later, the 


membrane may need chemical cleaning. At designed flow rate, when trans-membrane pressure (TMP) is 


higher than 0.15 MPa, and that cannot be reduced by CEB, a chemical cleaning in necessary. A Clean-In-


Place (CIP) system should be installed with the UF system to facilitate chemical cleaning process.

The cleaning formulation may be selected according to the fouling matters and the operation experience. 


The followings may be considered:

1) A HCl solution at pH≥1;

2) A caustic mixture solution of 0.04% NaOH with 200ppm NaClO at pH≤12;

3) Choose surfactant based on the feed water quality.

Notes: 1) Check the pH value with meter and avoid big error caused by the test paper.

2) Avoid the HCl and NaClO to contact each other during cleaning.

The procedures are as following:

1) Record the operating parameters before CIP chemical cleaning.

2) Open the CIP feed valve and the CIP concentrate recycle valve, circulate the chemical solution for 


30minutes by turning the circulation pump on.

3) Check the pH of the solution, if there is a significant change, add appropriate chemical to resume the 


chemical concentration. Circulate the solution for another 30 minutes.

4) Repeat step 2 until there is no significant pH change. Change the cleaning solution if it gets too dirty or 


too much chemical is added.

5) Stop the circulation pump and let the membrane soaked in the solution for 30 minutes.

6) Close the CIP concentrate recycle valve and open the CIP permeate recycle valve, circulate the chemical 


solution for 30minutes by turning the circulation pump on.

7) Repeat steps 2-4.

8) Drain the solution tank. And run the system by directing permeate to drain until the pH of permeate is 


neutral.

9) Record the operating parameters after chemical cleaning.

Compare the parameters before and after chemical cleaning, if the system is not resumed to its normal 


operation conditions, consider using another cleaning formulation or call membrane factory for further 


solutions. Make sure the feed pressure of CIP is lower than 0.08Mpa.

Product Parameters
Product Details Show

Applications

 Advanced municipal water treatment and drinking water treatment

Advanced sewage treatment and reuse

 Seawater desalination pretreatment

 Conventional surface water/groundwater treatment

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