Plate-and-frame filter presses — batch dewatering that pumps sludge between filter plates under high pressure for the driest cake, 30–40% dry solids.
Mechanical Sludge Dewatering — in depth
Where maximum cake dryness matters, the plate filter press wins. Conditioned sludge is pumped into chambers between filter cloths and pressed at high pressure; water passes through the cloth and a very dry cake (30–40% dry solids) is released on opening. It is batch and labour-aware, but unbeatable for dryness and for difficult mineral sludges.
What matters in practice
Sludge pumped between filter cloths.
Membrane plates squeeze the cake.
30–40% dry solids.
Fill, press, discharge.
| Parameter | Typical | Note |
|---|---|---|
| Cake DS | 30–40% | Driest |
| Mode | Batch | Cycle |
| Pressure | High | Membrane |
| Best for | Mineral sludge | Max dryness |
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