Question

difference between trickling filter and rapid sand filter ?​

Answer 1

Answer:

Here is your answer

Explanation:

The difference between the two is not simply a matter of the filtration speed, but of the underlying concept of the treatment process. Slow sand filtration is essentially a biological process whereas rapid sand filtration is a physical treatment process (WHO n.y.).

.

.

.

plzz mark it as the brainiest answer!!!