Chemical Engineering - Mechanical Operations - Discussion

Discussion Forum : Mechanical Operations - Section 1 (Q.No. 12)

Mechanical Operations

12.

Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is

added to the feed slurry.

precoated on the filter medium prior to filtration.

separated from the cake by dissolving solids or by burning it off.

all 'a', 'b'&'c'.

Answer: Option

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