Filter Production: What is the NET water production per day from each filter. Net water production = (Gross Water Production) – (Water consumed in cleaning + filter to waste).
Assume:
a) A filtration rate of 3 gpm/ft2 (7.3 m/hr)
b) 11 min backwash at 24 gpm/ft2
c) 1 backwash/day
d) 10 minutes of waste after each backwash.
e) filters are 30-foot x 30 foot.
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