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Refuse Derived Fuels

Refuse derived fuel (RDF) is a valuable substitute for primary materials such as gas, oil and coal. ANDRITZ offers modern and efficient processing technologies for the production of RDF.

Municipal solid waste (MSW) and commercial and industrial (C&I) waste contains 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 high-quality ADuro P and ADuro S shredders are used for primary and secondary shredding. Quickly exchangeable screens allow many different output sizes.

ANDRITZ Refused Derived Fuel (RDF) plant

© ANDRITZ

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
  • weight and form: air separation, ballistic separation
  • special material properties: ferrous metals, non-ferrous metals, optical separation of pre-defined fractions, e.g. plastics/PVC, wood, glass

Drying and pelletizing:

  • Thermal drying (belt dryer, drum dryer)
  • The result is a homogeneous refuse derived fuel ready for pelletizing


Additionally, valuable fractions, such as metals, can be removed early in the process and appropriately recycled. The metal fraction from the ferrous metal separator, often with plastics or textiles still adhering to it, can be cleaned. Composite materials can be broken down with the ADuro QZ shredder. In the end, the steel scrap and non-ferrous metals can be recovered with a superior purity of 98% – perfect for use in the steel industry or re-processing in foundries.

Benefits:

  • Powerful and reliable pre-shredding with the ADuro P
  • Fast removal of the metal fractions
  • Secondary shredding with the ADuro S and tailored screen sizes
  • Separation after each shredding stage
  • High-quality substitute fuel fraction
  • Metal fraction can be further cleaned with the ADuro QZ shredder

ADuro S shredder: Developed for high throughput with low energy consumption

© Humeniuk
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Input

  • Household waste
  • Industrial waste
  • Bulky waste
  • Production residues
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Output

  • Plastics
  • Textiles
  • Paper
  • PVC
  • Ferrous and non-ferrous fraction

ANDRITZ plants for the production of Refuse Derived Fuels (RDF)

contact us
ANDRITZ AG
Austria
ANDRITZ (CHINA) LTD
China
downloads
  • ANDRITZ Recycling

    Recover raw materials and maintain values

    PDF : 5.3 MB
  • EnergieAG Südtirol

    A CHALLENGING TASK SIMPLY SHREDDED

    PDF : 667 KB
  • ADuro shredders

    Performance meets durability

    PDF : 1.2 MB