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
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4
packed bed reactors are used in trickling bilogical filter. It is also known as fixed bed filter
Answered by
1
The answer is option (B) Packed bed.
A trickling filter is a system of wastewater treatment. It consists of fixed bed of rocks, peat moss, slag, etc. over which the wastewater flows and bio film grows. In this system, aerobic conditions are maintained. A trickling filter may also be called fixed media bed filter.
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