Filter Press Sludge Handling

A filter press is a pressure filter used for dewatering sludge. Often a low dose of polymer is required if the solids need assistance to speed dewatering. One advantage of filter presses over belt presses is that they require a lower polymer input due to higher pressures and finer cloths used. A filter press comprises a number of plates, each fitted with a durable permeable cloth. In normal operation the recessed plates are pushed together, by hydraulic ram, forming sealed voids (or chambers) between the plates when closed.

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