The recycling line recoSTAR PET comprises the following process steps:

1. Conveyor screw
2. Hot air drying unit
3. Pre-drying unit
4. Extruder
5. High-vacuum degassing extruder
6. Melt filter without backflushing
7. Melt filter with backflushing
8. Strand pelletiser
9. Automatic strand pelletiser
10. Underwater pelletiser
11. Underwater pelletiser with inline crystallisation

Crystallisation and solid state polycondensation (12-18):

12. Crystalliser / post-crystallisation unit
13. Vacuum transport
14. Preheating unit
15. SSP reactor
16. Cooling unit / vacuum sluice
17. Energy recovery kit
18. Storage silo