Where by L would be the thickness of the freshly formed sludge residue layer, ρs is the density of solids particles, (overline n ) is the standard porosity in the sludge residue layer, σ will be the retention parameter, qp could be the input flux charge of Uncooked sludge, Ky https://travisbvqcg.theobloggers.com/34922591/the-smart-trick-of-lamella-tube-that-nobody-is-discussing