Ultrafiltration system operating instructions and technical advantages

Ultrafiltration is a sieve separation technology. There are pores of a certain shape and size distributed on the surface of the ultrafiltration membrane. Under the action of pressure, solvent water and small-sized solute particles pass through the membrane and reach the water production side. blocked by film. The microporous model can be used to describe the ultrafiltration process: the pressure difference on both sides of the membrane is used as the driving force, and the particles or macromolecules contained in the separation solution are selected according to the pore size of the membrane.

The ultrafiltration membrane is an asymmetric membrane composed of a dense thin layer on the surface (filtration separation layer) and a relatively thick supporting layer of the dense layer.

Ultrafiltration can effectively remove suspended solids, colloids, organic macromolecules, bacteria, microorganisms and other impurities in water. Because of its excellent filtration performance, ultrafiltration is widely used in various water treatment systems.

The technical advantages of ultrafiltration:

  • The quality of the effluent is greatly improved, and most of the suspended solids, colloids, microorganisms and macromolecular organic matter can be removed. Ultrafiltration water pollution index SDI15<2.
  • The quality of the effluent is stable and does not change with time and the quality of the influent.
  • Significantly reduce the fouling trend of the rear RO membrane and prolong the service life of the reverse osmosis membrane.
  • The operation intensity is greatly reduced, and it is easy to realize automatic control.
  • Greatly saves floor space.
Ultrafiltration system operating instructions and technical advantages

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