Rotary Press Revolutionizes Sludge Compaction, 2014 PEERS Conference

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Optimization, cost reduction and mill sludge discharge are seldom combined as a topic of discussion, but evolution in technology has changed that. Dewatering sludge to form cake material with this design is proving to be an outstanding alternative to existing systems. With feed sludge or flow streams that can be as low as 0.7% total suspended solids, this upgrade to belt presses and screw presses produces a consistent extrusion of cake from all types of mill sludge. That includes recycled fiber sludge, combinations of fiber, filler and fines from primary capture sources and sludge from secondary biological treatment.