ANDRITZ MeWa - ANDRITZ Group

- Refuse Derived Fuels (RDF) Production Plants

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ANDRITZ Recycling supplies specific technologies, processes and equipment for the conversion of waste to energy. This includes equipment for shredding, screening, classification and drying. The outcome is valuable goods, such as high-calorific RDF, as well as non-combustible fractions.

MSW and C&I waste contain many different materials that need to be separated mechanically into a high- and a low-calorific fraction. This process involves shredding, screening and classifying of the material. Metals, inerts and organics are removed; light fractions with high-calorific value (e.g. plastics, textile and paper) remain. The RDF fraction could be used in the cement industry, steel furnaces or power stations, substituting coal and oil.

The high-quality Universal Rotary Shear UC and Universal Granulator UG are used for primary and secondary shredding. Quickly interchangeable screens allow many different output sizes.


In order to optimize the output quality shredding can be combined with

Sorting and separation

  • according to size and form: drum screening, 3D-screens, fine screens
  • according to weight and form: air separation, ballistic separation
  • according to special material properties: ferrous metals, non-ferrous metals, optical separation of pre-defined fractions, e.g. plastics/PVC, 
  • wood, glass

Drying

  • Bio-drying
  • Thermal drying  (belt dryer, drum dryer)
  • The result is a homogeneous refuse derived fuel.

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  • Municipal solid waste (MSW)
  • Commercial and industrial waste (C&I)
  • Construction and demolition waste
  • Pulp & Paper industry rejects
  • Other waste fractions, bulky waste, organic waste, sorting residues

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Output

  • Refuse derived fuels
  • Glass
  • Paper
  • Plastics
  • Minerals
  • Textiles
  • PVC
  • Wood

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Household- and Domestic Waste

Production of high calorific RDF

  1. Pre-shredding
  2. Separation
  3. Drum drying
  4. Granulators UG
  5. Overband magnet
  6. Ferrous fraction
  7. Eddy current separator
  8. Non-ferrous fraction
  9. Refuse derived fuels (RDF)

Key components: Universal Rotary Shear UC, Universal Granulator UG

  • Applied process know-how from ANDRITZ ensures minimized operating costs with highly efficient process equipment
  • Single customer interface – entire system, all sub-processes and components from one source
  • Modular system designs allow tailor-made solutions for the specific waste streams
  • Highest cutting performance and capacity of the shredders
  • Extremely wear-resistant rotor, blade blocks and blades
  • Different blade system configuration depending on input material
  • Adjustable parameters for influencing the output quality and size
  • Clean output fractions
  • High-calorific RDF

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