+1 vote
in Environmental Engineering by (81.4k points)
Filtration operation in pressure filter is same as in rapid sand filter.

(a) True

(b) False

The question was posed to me in a job interview.

This interesting question is from Pressure Filter topic in section Filtration of Environmental Engineering

1 Answer

+2 votes
by (693k points)
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Best answer
The correct answer is (b) False

To elaborate: In pressure filter, the coagulated water is applied to filter directly without any mixing or flocculation process, whereas in rapid sand filter, the flocculation takes place after coagulation and then it is applied to the filtration process.

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