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What are the form of filtering

  • Categories:NEWS
  • Author:Yinbeier
  • Origin:www.inbornfilter.com
  • Published on:2019-07-03

Filtration is divided into solid-liquid separation, solid-gas separation, oil-gas separation, oil-water separation, etc

What are the form of filtering

Filtration is divided into solid-liquid separation, solid-gas separation, oil-gas separation, oil-water separation, etc

  • Categories:NEWS
  • Author:Yinbeier
  • Origin:www.inbornfilter.com
  • Published on:2019-07-03
Information
Filtration is divided into solid-liquid separation, solid-gas separation, oil-gas separation, oil-water separation, etc. The basic principle is: under the action of pressure difference, the liquid (or gas) in suspension passes through the filtration medium, and the solid particles are trapped by the medium, so as to realize the separation of liquid and solid. In short, the separation of solid particles suspended in a liquid or gas.
1 two requirements for filtering:
(1) the filter equipment necessary for the separation process;
(2) on both sides of the filter medium to maintain a certain and sustained pressure difference (driving force).
 
2 the commonly used filtration methods can be divided into gravity filtration, vacuum filtration, pressure filtration and centrifugal filtration.
 
The difference of gravity pressure is formed by the height of slurry column. Vacuum filtration is driven by a vacuum source.
 
3 filtration features: in essence, filtration is the flow process of multiphase fluid through porous media.
(1) the flow of fluid through porous media belongs to extremely slow flow, namely seepage flow.
(2) the solid particles in the suspension are continuously deposited in the internal pores of the medium or on the surface of the medium, so the filtration resistance will increase in the filtration process.
 
4 filtering can be divided into two categories: filter cake filtering and deep filtering. Filter cake filtering applies surface filter, which can be divided into compressible filter cake and incompressible filter cake. In deep filtration, solid particles are trapped in pores within the medium.
 
5 the purpose of filtration: to recover valuable solid phase, or to obtain valuable liquid phase; Or both or both as waste.

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