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The Shredder To Reduce Plastic Waste Into Smaller Particles

State of Progress: Research and Development


Plastic waste can come in a variety of shapes and sizes. To facilitate their processing, they are shredded into small particles of uniform size. In this form, they can more easily be recycled.

open source shredder

Items Description

The shredder consists of a hopper, a cutting chamber, fixed blades, and a rotor equipped with rotating blades. A grid below the cutting chamber defines the size of the output particles.

Process Description

Plastic waste is inserted in the shredder from the top via a hopper. They then fall into the cutting chamber, where both the rotor and blades rotate at high speed. These rotating blades intersect with fixed blades, cutting plastic waste like scissors. As long as the plastic particles are too big, they continue to be shredded. When small enough, they reach the grid under the rotor. The grid can be changed to obtain pieces of different sizes.


Sorted Plastic Waste


Plastic particles with 10 to 20 mm sides

Case Study

Essential for recycling and reducing the volume of material, shredding alone is an efficient way of recycling plastic waste. Widely used, shredders usually respond to a specific type of waste. Albeit the expense of their productivity, robust and efficient shredders processing all types of plastic do exist and have already been used in the recycling field.

Technical Information

Dimensions: 120 x 80 x 180 cm (length x width x height)

Weight: 1 000 kg

Electric power: 00 kw

Rotation speed: 1200 tr/min

Approximate cost: 10 000€

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