Question

3. Calculate the clean-bed head loss (in feet) through a deep-bed dual-media filter with 22 inches of anthracite (effective size of 1.0 mm) over 12 inches of sand (effective size

of 0.6 mm) treating 5 MGD at a filtration rate of 4 gpm/ft? and a temperature of 15°C.

Question image 1Question image 2