What type of auxiliary device promotes separation of heavy and light liquids by centripetal force?
A. Demister
B. Jet pump eductor
C. Centrifuge
D. Hydrocyclones
A. Incorrect. A demister is a mechanical device that promotes separation of liquids from gases.
B. Incorrect. A jet pump eductor (which also functions like an aspirator) is a device that uses the movement of high-pressure fluid to create suction (the Venturi effect).
C. Incorrect. A centrifuge (also called a centrifugal extractor or contactor) is a device that uses centrifugal force to separate solids from liquids or to extract a liquid from a liquid-liquid solvent.
D. Correct. Hydrocyclones are mechanical devices that promote separation of heavy and light liquids by centripetal force.
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