Question

Design a slow sand filter system for a community which has a projected population of 3000 and an average per capita use of 300 litres/day. Determine the total filter area needed to produce water to meet demand at a maximum weekly rate and a filtration rate of 6.0 m/day. Use Goodrich formula to determine the maximum weekly water consumption rate. What is the filter area of each filter if three filters are to be used with one out of service?

Answer 1