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The Computer Controlled Plate and Frame Filter Press, "AFPMC", has been designed by EDIBON to study the filtration and clarification processes using a filter press in which the number of frames and the type of filter cloths can change. A suspension is prepared in a feed tank and is transferred through a computer controlled centrifugal pump into the plate and frame press. This pump ensures that the solids remain suspended and do not settle. The filter plates are grooved and covered over with filter cloths. Filter cloth (or filter media) retains the solid particles of the suspension, which fills the frame plates, whilst the filtrate passes through the filter media or filter cloth. The filtrate flows through the collecting pipe and is collected in the filtrate tank. The solid material is separated off from the filter cloth, where it forms a growing filter cake. The unit includes several types of filter cloths. The suspension passes through three pressure sensors and one flow sensor on its way. Besides, the initial temperature of the suspension and the final temperature of the filtrate can be recorded with two temperature sensors. A turbidity meter allows the solid concentration of