There are 2 troubles in simulating the buildup of sludge residue: estimating sludge residue thickness and its linked permeability when the system is fed. From the 1-dimensional design made by Tan (2016), an equation proposed by Abboud (1993), which assumed which the internal structure of freshly shaped and existing sludge https://rapid-sand-filters80256.techionblog.com/28835574/examine-this-report-on-tube-settler-media-for-sedimentation-of-sewage-water-treatment-plant