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Twin-screw extruder for depolymerisation (back) and attached condensation setup.

ResolVe is a research and development project to explore the commercial use of post-consumer polystyrene waste as a raw material to produce high-quality plastics. The project addresses the technical feasibility and the conceptual layout of an entire recycling concept including contribution by recycling companies.

One method for chemical recycling of plastic waste is thermally induced depolymerisation. For polystyrene, this works better than for many other polymers. In this particular form of pyrolysis, the polymer is decomposed into monomers and other low molecular chemical building blocks. The monomers are then used to produce polymers that have identical properties to polymers from conventional feedstock. The so-called “downcycling”, that takes place in mechanical recycling, is therefore avoided.

Complete website content in German (PDF – 0,4 MB)