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Leading Trade Fair for Powder & Bulk Solids Processing and Analytics

30.08. - 01.09.2022 // Nuremberg, Germany

New Date: POWTECH 2022 from 30 August - 01 September 2022

+++ The entries in the exhibitor & product database correspond to the registration status for POWTECH 2019. +++

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Exhibitors & Products POWTECH 2019
Zoom Image LOGO_Sludge drying

Sludge drying

LOGO_Sludge drying

Sludge drying

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Municipal sludge is increasingly applied as valuable product, as the direct agricultural use will be more restrictive in the future. Industrial sludges have to be incinerated in most cases, so that the pre-drying or full drying of sludges from municipal as well as industrial plants is a mandatory process step in many cases. The following drying degrees can be classified:

Pre-drying to
  • 35 to 50% dry solid content prior to incineration in fluidized bed incinerators
  • 65 to 75% dry solid content prior to composting or incineration with garbage

Full drying to 85 to 95% dry solid content
  • prior to using as solid fuel for cement kilns or coal fired power stations, for pyrolisis, gasification or other conversion processes
  • prior to composting, agricultural use and soil reclamation.
These are typical applications, where the Buss-SMS-Canzler drying process can show its advantages with an evaporation performance between 0.2 and 8 tons of water per hour. The thin film dryer is characterized by:
  • Single pass operation over the sticky or pasty phase; hence no back mixing of dried product
  • Low energy consumption
  • Self-cleaning heat exchange surface
  • Self-inertisation by evaporated water
  • Low operating and maintenance costs
These advantages resulted in more than 100 sludge drying installations worldwide, with some being in operation for more than 25 years.

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