2894Chemical EngineeringMedium
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________?
APre-coated on the filter medium prior to filtration
BAdded to the feed slurry
CAll A, B. & C.
DSeparated from the cake by dissolving solids or by burning it off
Correct answer
C. All A, B. & C.
Explanation
The correct answer is All A, B. & C..