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Membrane Technology For Water Treatment
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Reverse Osmosis (RO) is a separation technique that is suitable for a wide range of applications, especially when salt and/or dissolved solids need to be removed from a solution.

10 - 19 pieces
$20.00
>= 20 pieces
$5.00

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Guangzhou Chunke Environmental Technology Co. Ltd
Guangzhou, China
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Membrane water treatment filtration or purification uses RO (reverse osmosis), NF (nanofiltration), MF (microfiltration), and UF (Ultrafiltration) membranes. Membrane water treatment is an effective method to get pure and clean water.
As you see this is a reverse osmosis membrane, there are a lot of suppliers for membrane and water treatment filtration so there are different quality membranes in the market. In Chunke we are always using good and high-quality membranes in our projects. We are mostly using DOW Filmtec, Toray, Hydranautics, LG, and Vontron brand membrane water treatment filtration.
This is one of the famous Chinese brands Vontron membrane and the water treatment system has used this kind of reverse osmosis membrane. Reverse osmosis membrane. The model is Vontron 8040, 8 refers to the diameter as an inch, shown as B, this membrane diameter is 7.9inch, this is the universal standard, and the length of the membrane is 40 inches shown as A, so this size is called for all brand membranes are 8040.
Reverse osmosis membranes are constructed from a membrane flat sheet, it is comprised of three layers:

  • A polyester fabric support base
  • Microporous polysulfone layer
  • Poly-amide barrier layer
The polysulfone layer strengthens the very thin barrier layer, it allows water to pass through while preventing other compounds from passing through membranes. Remove molecules based on their size, shape, and charge, generally, contaminants larger than water molecules will not pass through including most chemical contaminants and all microorganisms such as viruses and bacteria. 
Also, for some of the membrane water treatment projects, we are using the UF membrane. Reverse osmosis membranes are rounded flat sheets but UF membranes are very small thin pipes (hollow fiber) in membrane shell. Below you can see Ultrafiltration membrane and membrane water treatment systems use UF membranes as pre-filtration.
The membrane and water treatment process are firmly connected to each other. To remove minerals, and organic and inorganic matter we should use membrane and water treatment results to become unique.





  1. Accordingly, RO can be used for seawater and brackish water desalination, to produce both water for industrial application and drinking water.
  2. It can also be applied for the production of ultra-pure water (e.g. semiconductor, pharmaceutical industries) and boiler feed water.
  3. In addition, RO membrane systems are used for wastewater and water reuse treatments.
  4. Membrane and water treatment filtration is used in the food, beverage, pharmaceutical, chemical, drinking water, power & energy industries.

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