Question: Problem 5: A rapid filter unit is to produce a-maximum flow of 23,000m^(3) /day. The nominalfiltration rate is 120(m)/() day and is not to exceed

Problem 5:\ A rapid filter unit is to produce a-maximum flow of

23,000m^(3)

/day. The nominalfiltration rate is

120(m)/()

day and is not to exceed 180

(m)/()

day with one filter being backwashed nor

240(m)/()

day with one filter being backwashed andpone filter out of service. Determine the number of filter units required and the individual filter area. How much water is required to wash one filter if the backwash rate is

1(m)/(m)in

and the duration is 10 minutes?

Problem 5:\ A rapid filter unit is to produce
Problem 5: A rapid filter unit is to produce a-maximum flow of 23,000m3/ day. The nominat filtration rate is 120m /day and is not to exceed 180 m/ day with one filter being backwashed nor 240m/ day with one filter being backwashed andpone filter out of service. Determine the number of filter units required and the individual filter area. How much water is required to wash one filter if the backwash rate is 1m/min and the duration is 10 minutes

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