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The Computer Controlled Drum Cell Filter, "PFTC", designed by EDIBON, allows for the study of the filtration of liquids with suspended solids and the observation of the operation of a filter drum, enabling its use to investigate the filtration of multiple solutions with suspended solids and sludges of a wide variety and composition. Water with suspended solids is introduced in the system. A computer controlled pump impels the fluid towards the drum tank. A sensor measures the pressure of the fluid before being introduced into the tank. There is a stirrer in this tank to keep water mixed with the suspended particles. The rotary drum is covered by a filtering cloth, so the part immersed in the tank filters the water. Thus, clean water passes through the cloth and the suspended particles remain in the drum surface. Therefore, when the drum rotates the layer of suspended particles becomes a cake and it is cut before entering the tank again. This tank has some level switches to keeps the water volume constant. The cake is formed by applying vacuum on the inside of the drum by means of a computer controlled vacuum pump and a vacuum reservoir controlled by two solenoid valves. When th