. 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
(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