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Belt Filter Presses

Belt filter press with gravity drainage zone and roller section

Continuous sludge dewatering between two tensioned filter belts. Suited to high-volume wastewater and biological sludges.

Specifications

Belt widths
1, 1.5, 2 and 2.5 m
Sludge flow
800 – 16,000 gal/h
Filter area
10 – 30 m²

Typical applications

  • Municipal and industrial wastewater sludge
  • Food processing effluent sludge
  • Pulp, paper and fibre sludges

Conditioned sludge is spread onto a moving filter belt, where free water drains by gravity. The sludge is then sandwiched between two belts and carried through a series of rollers of decreasing diameter, which press out more water. The dewatered cake is scraped off at the discharge end while wash sprays keep the belts open.

Belt presses run continuously and need little operator attention, which makes them a common choice for wastewater plants. Polymer dosing has a large effect on performance; we can help with jar testing and pilot trials to set the right conditioning.

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Enquire about Belt Filter Presses

Tell us what you’re filtering, your flow rate and what you need to remove. We'll recommend equipment, or a pilot test if the answer depends on your material.