In filtration, the use of 'filter aid' helps in

1.	In filtration, the use of 'filter aid' helps in
A.	reducing the filtration pressure.
B.	accelerating the rate of filtration.
C.	deplugging the filter medium.
D.	enhancing the cake porosity in case of a dense impermeable cake.
Answer» D. enhancing the cake porosity in case of a dense impermeable cake.

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In filtration, the use of 'filter aid' helps in

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