Main Office: (518) 695-6851 PO Box 118, Greenwich, NY 12834

DSP Screw Press Dewatering Equipment

BDP developed this screw press specifically for Biosolids dewatering to provide high capacity, excellent solids capture, in a fully enclosed system with automated simple operation.


  • Independent Pre-Thickening with Rotary Drum Concentrator
  • Slotted Screen: higher open area and smaller opening for improved capture, reduced plugging
  • Filtrate Recycle/Polishing: produces solids capture over 95%
  • Replaceable Flight brushed without removing screw auger.
  • Tapered Screw: Reduces Distance for Filtrate Flow for increased capacity, less rotational force on material – Less slippage = increased conveyance
  • Discharge Pressure Plate: Adjustable pressure on discharge cone maximized cake solids.
  • Oscillating Shower System: Programmable intermittent operation reduces water requirement.

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