New Step by Step Map For automatic and valveless gravity sand filter
in which L could be the thickness of the freshly formed sludge residue layer, ρs would be the density of solids particles, (overline n ) is the average porosity of the sludge residue layer, σ could be the retention parameter, qp is the enter flux price of Uncooked sludge, Ky may be the erosion price, and ns could be the porosity of influent sludg