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GEA Westfalia Separator Group
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Fundamentals of Centrifugal Separation Technology

Centrifugal force

Centrifugal separating technology utilizes fundamental physical laws and centrifugal force.


Centrifugal force is produced through rotation around an axis. The force generated through the rotation acts in an outward direction. Depending on the speed of the rotating body, it increases or drops on the circular path.  


Mechanical separation technology makes use of this property when light, heavy or substances of different density have to be separated from each other.

Centrifugal forces in a vessel

The centrifugal forces act on all particles. The particles with the specifically higher weight are spun outwards fastest and most effectively. They then deposit on the edge of the vessel.


Separation by means of centrifugal force is, however, faster when the vessel has an insert. Thanks to the insert, the specifically heavier particles deposit faster. The settling path is shortened by the insert. By this means, a higher throughput capacity is attained.


This means: larger volumes of liquid mixtures can be clarified or separated in the same period of time. The more inerts there are, the shorter the settling paths and the higher the throughput capacities.

Centrifugal forces in a vessel