A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density œÅL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is Œ¥ and no cake is formed. The initial pressure drop during filtration is$

A centrifugal filtration unit operating at a rotational speed of w has

1.	A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density œÅL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is Œ¥ and no cake is formed. The initial pressure drop during filtration is$
A.	w2 . R2 . œÅL
B.	w2 . Œ¥2 . œÅL
C.	w2 . Œ¥œÅL (2R + Œ¥)
D.	w2 . R . œÅL(R + 2Œ¥)
Answer» D. w2 . R . œÅL(R + 2Œ¥)

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A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density œÅL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is Œ¥ and no cake is formed. The initial pressure drop during filtration is$

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