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The Task at Hand
Mechanical treatment as the foundation for recycling
In a splitting system, various mixed or presorted wastes are screened and separated to get the best possible sorting of material streams. Most of the sorted fractions are returned to the cycle for use as reclaimed material. The usual process sequence is shredding by Terminator, screening of the fine fraction (if there is substantial organic content), and separation of the two- and three-dimensional items with a Ballistor in preparation for sorting.
Further sorting can be done by automatic sorter (NIR or similar) or manually. Komptech splitting systems are designed and dimensioned to customer requirements. The composition of the input material and the potential sales outlets of the final products are key factors. The process is scalable from low to very high throughput.
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Process Steps
Pre-shredding - Bag opening
The process starts with a Terminator single-shaft shredder, with teeth configured for the input material. The contrary resistance of this shredder allows it to accept a wide range of input materials. Its even intake also ensures a steady supply of material to downstream process steps.
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Process Steps
Extraction of fines
If there is substantial organic content in the input material, this will need to be removed before further processing. The machine used for this is either a stationary Komptech drum screen or Flowerdisc disc screen.
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Process Steps
Preparation for sorting
To ensure effective sorting, the material is prepped with a Ballistor ballistic sorter. The Ballistor’s separation function enables splitting of the material stream into three fractions - flat (2D), cubic (3D) and fine.
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Process Steps
Sorting
Manual or automatic sorting after the Ballistor is very effective. Film, paper and cardboard go to the 2D line, and PET, HDPE, metals etc. on the 3D line. Running the material through the Ballistor results in considerably cleaner and thus higher quality recycling streams.
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Process Steps
Storage, baling
The final products can be stored loose and/or pressed into bales. Komptech works with recognized, experienced experts (e.g. Austropress) to achieve defined storage capacities.
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