List qualities of an ideal filter aid and state any two example of it.

List qualities of an ideal filter aid and state any two example of it.
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1 Answer

Answer :

Ideal qualities of filter aid: 

i. It should be remain suspended in the liquid.

ii. It should be free from impurities.

iii. It should be inert.

iv. It should have a particle size distribution suitable for retention of solid.

v. It should have structure that permits formation of porous cake. 

Examples of filter aid : 

i. Asbestos.

ii. Cellulose.

iii. Carbon.

iv. Diatomaceous earth (silica).

v. Perlite.
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