Q. Which one of the following bioreactor configurations is the basis for a trickling biological filter?
(A) Stirred tank
(B) Packed bed
(C) Air lift
(D) Fluidized bed
Ans: Packed bed
Q. Which one of the following bioreactor configurations is the basis for a trickling biological filter?
(A) Stirred tank
(B) Packed bed
(C) Air lift
(D) Fluidized bed
Ans: Packed bed