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LeibleinVacuum Belt Filter

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The vacuum belt filter is used for the filtration of liquids and dewatering of sludges.

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Unlike hydrostatically working filters, the filtration is made by gravity with additional vacuum support. As a result, higher throughputs and better dewatering of the filter cake can be achieved. Depending on the application, filter fleeces or endless filter belts are used. 

In many applications, the vacuum belt filter provides an effective alternative to belt filter presses or chamber filter presses as well as centrifuges.

  • High throughput and dewatering performance due to vacuum support and inclined belt position
  • No consumables through endless filter belts
  • Optimum utilization of the belt: floated material is removed together with the sediment on the discharge side
  • Filtrate can be used for rinsing the belt
  • Resistant to fluctuating inlet conditions
  • Low investment and operating costs compared to other sludge dewatering technologies such as centrifuges and chamber filter presses

The vacuum belt filter is equipped as standard with an endless belt. Alternatively, it is also possible to have a filter fleece instead.

  • Material: stainless steel
  • Filter belt: stainless steel, plastic
  • Filter fleece: polyester, viscose, polypropylene, in fineness 5 – 100 μm