Particle Technology

centrifugal separation

Problems 8.6

Question 1.iv


The diagram below illustrates a homogeneous oil emulsion contained in a circular channel
rotating at 1000 rpm:


centrifuge ring

The diameter of the outer circle is 30 cm, and the distance between the walls,
i.e. the channel width is 2.5 cm.


The angular velocity of the channel is (s-1):

  a) 1000
b) 6280
c) 105
c) 3140
Note, a radian is dimensionless.

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