The filtrate pipes from each zone or group of zones terminate at a control valve. The control valves can be programmed to actuate at any point in the cycle providing the operator with extraordinary ability to control cake cracking. Wash liquor can be given some residence time before vacuum is applied to a particular zone. The stationary filter tray of the CIX filter, with its high sides, ensures there are no spills and the overall cleanliness of operation is exceptional. CIX filters are usually modified to meet the special requirements of the customer.
Typical applications comprise filtration of crystalline slurries and washing of the filter cake.