News
08
2022
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11
What are the outstanding characteristics of hollow fiber membrane?
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Hollow fiber membrane separation technology is widely used in the separation, concentration and purification of solutions. It is based on the selective permeability of the membrane separation medium, so that the membrane wall has micropores. The concentrated liquid passes through the membrane side under a certain pressure, and the solvent and small molecule solute are used as The filtrate passes through the membrane wall and is intercepted. The macromolecular solute capsule membrane separation process is a dynamic filter. The macromolecular solute capsule wall is blocked. When the concentrated liquid flows out of the membrane module.
The membrane is not easy to block, can be used for a long time, the process can be carried out at room temperature and low pressure, no phase change, high efficiency and energy saving. It has high filtration accuracy and can be applied to various water quality. What are the outstanding characteristics of the hollow fiber membrane introduced?
1, the high strength of the film:
Polypropylene hollow fiber membrane adopts the film making method of melt extrusion and stretch molding, and the polypropylene macromolecules are regularly oriented, so the film strength is high, and the wire is not easy to be broken in the process of high-intensity aeration and chemical cleaning.
2. Good chemical stability of membrane:
In the process of making polypropylene hollow fiber membrane, the chemical stability is good because there are no additives and pore agents. Strong acid, strong alkali, membrane flux recovery after cleaning.
3. Unique structure design:
The membrane module has a unique flow channel, water distribution and membrane root protection structure design, which protects the membrane root from severe impact and better ensures uniform hydraulic distribution.
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