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Swiss Combi – drum drying
 
Reference – case studies
 
Switzerland
 
Biel - Switzerland (1989)
Scope of Supply: Engineering, supply, erection and commissioning of the entire sludge drying plant, including:
 
  • sludge dewatering
  • heat generation
  • sludge drying
  • granule classification
  • granule cooling & storage
  • big-bag bagging.
 
Roche - Switzerland (1991)
Scope of Supply: Engineering, supply, erection and commissioning of the entire sewage sludge drying plant, including:
 
  • heat generation
  • sludge drying
  • heat recovery
  • granule classification
  • granule cooling and storage
  • big-bag bagging
 
Pre-heating of sludge and an automatic pallet and bagging unit are integrated into the plant.
Drum Drying System: Indirect and Closed Loop
 
France
 
Bourg St. Maurice - France (1991)
Scope of Supply: Engineering, supply, erection and commissioning of the entire sludge drying plant, including:
 
  • external sludge reception
  • cake storage
  • sludge drying
  • granule classification
  • granulate conveying to refuse incinerator
 
Pre-heating of sludge and an automatic pallet and bagging unit are integrated into the plant. Drum Drying System: Indirect and Closed Loop
 
Canada
 
Ville de Laval - Canada (1998)
Scope of Supply: Engineering, supply, erection and commissioning of the entire sludge drying plant, including:
 
  • heat generation
  • sludge drying
  • granule classification
  • dry product storage.
 
The Dryer produces granules for raw primary sludge intended for the agricultural market.
Drum Drying System: Modular drum drying plant with closed drying air loop.
 
Germany
 
Braunlingen - Germany (1998)
Scope of Supply: Engineering, supply, erection and commissioning of the entire sludge drying plant, including:
 
  • external sludge reception facility
  • sludge dewatering
  • sludge drying
  • granule classification
  • granule cooling and storage
 
The dryer receives sludge from 22 local communities and is fuelled by the heat generated from a wood chip burning furnace.
 
United Kingdom
 
Weston-super-Mare - United Kingdom (2000)
Scope of Supply: Engineering, supply, erection and commissioning of the entire sludge drying plant, including:
 
  • sludge de-watering
  • heat generation
  • sludge drying
  • granule classification
  • dry product storage
  • dry product storage and big-bag bagging
 
The dryer produces pathogen free granules for raw primary and secondary sludge intended for the agricultural market and land restoration schemes.