sand filter design calculation

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4 filtration list of figures figure]: typical water trea tme)vt processes 10 figure 2:combination of two types of stock sand 14 figure 3: slow sand filter and prefiltration control chamber 15 figure 4: resanding a slow sand filter using the trenching method 18 figure 5: conventional and direct filtration 20 figure 6: rapid gravify filter 20 figure 7: gravify filter media configurations 21...

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Sand Filter Design Example

Appendix I Sand Filter Design Example # Assume inflow pipe diameter = 1 ft # Assume over the crown pipe cover = 2 ft # Final surface elevation above sand filter = 101 ft = 98 ft + 2 ft + 1 ft # Depth of filter layer: df-max = 3 feet df-min = 18 feet 2 Peak Discharge Calculation for Bypass Flow...

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Multimedia (sand) Filtration Calculation

These filters are called multi-media filters because they contain different layers of filtration media ordered in decreasing porosity Multi-media water filters are able to trap and retain a far larger number of particles (generally down to 10-25 microns) than traditional sand filters ,...

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