Removal of foreign matter
Removes caps, glass debris, dust, soil, sand, etc. with a vibrating screen.
Separation of PVC bottles
Using the difference in x-ray transmittance of PVC and PET, detects and removes PVC bottles.
Separation of colored bottles
Removes colored bottles detected by a high-performance camera.
Manual separation
While transparent PET bottles are suitable for producing PET flakes, other items are separated and removed by hand. Metal detectors are used to detect metals
Crushing and shredding
Crushes and shreds PET bottles (including those with labels and caps) into flakes 8 mm in size or less.
Separation of labels
Using pressurized air, removes shredded labels from crushed and shredded flakes.
Washing of flakes
Separates and removes shredded labels and caps still remaining in PET flakes by specific gravity. This step also cleans PET flakes with water (without using an alkali such as caustic soda).