... not effect to the processing ability of the model. With the inlet flow of model about 0,0217 - 0,0300 m3/h and the sludge retention time is 4 days, the processing ability of the model is: ... of the model. At the bottom of the tank with two mirrors placed at an angle 30o anh spaced 5cm. The purpose is to focused the amount of sewage sludge in the bottom of the tank.Above is ... part in the top and a triangle part in the lower (bottom of the deposited drawer). The rectangular part with dimensions: 1m length, 0.2m width, 0.15m height. The triangle (bottom of the deposited...