World Class Filtration Solutions


World Class Filtration Solutions

Powder Fluidisation, Mixing and Solids Handling

The fluidisation of powders, using compressed air through a porous media to make them flow like liquids, is a process used in many industries. Applications for this process are found in the pharmaceutical, food, beverage and construction markets to move powders such as drugs, flour and cement, as well as to efficiently empty silos, road and rail tankers.

Fluidisation is the introduction of a compressed gas, via porous media, into a bulk powder, to enable the powder to behave like a liquid for ease of movement. In general, the smaller the powder particle size, the more cohesive it becomes and the more difficult it is to move.

Porvair's broad range of media has been used to fluidise a wide variety of powders including:

  • Food and pharmaceutical
    Cereals, icing sugar, coffee, flour, cocoa powder, hydrated animal foodstuffs, starch, milk powder, paracetamol and vitamins. 
  • Industrial and construction
    Cement, gypsum, silica, resin bonded sand, sulphur, soda ash, pulverised fly ash, coal dust and glass beads.
  • Chemicals and plastics
    Pigments, carbon black, titanium dioxide, anti pest powders, calcium carbonate, detergents, PVC, EVA, polyethylene, epoxy and polyester paint powders.

Working in partnership with engineering contractors, OEMs and end users, Porvair Filtration Group work to achieve optimum solutions and customer satisfaction. Offering compact economic design and minimal maintenance our range of systems is suited for use with dryers, mixers / blenders, granulators and fluidised beds in high temperatures and chemically aggressive environments.

The material technologies that Porvair Filtration Group can bring to the powder handling industry are one of the largest currently available from any single manufacturer. Whether it is Vyon® sintered porous plastics, Sinterflo® sintered porous metals or Sinterflo® sintered metal meshes, we can produce a wide variety of structures (including flat beds, cones and domes) to fit most assemblies.

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