A mechatronics approach has been employed to improve theperformance of a solid-liquid separation device. The basic principles ofthe `chematronics' task are described with reference to a computercontrolled, pilot scale, pressure leaf filtration rig capable ofmeasuring in-situ solids concentration profiles. By combining suitablesensors, transducers and control software it is shown how data can beacquired to correctly control and monitor all aspects of the filtercycle and yield a flexible apparatus capable of operating in a number ofmodes
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