Where by L would be the thickness of the recently fashioned sludge residue layer, ρs would be the density of solids particles, (overline n ) is the average porosity of the sludge residue layer, σ would be the retention parameter, qp will be the input flux charge of Uncooked sludge, https://landendwjub.imblogs.net/78641449/the-fact-about-ion-exchange-equipment-that-no-one-is-suggesting