Towards a Circular Economy

Moving our linear fossil based economy towards a circular economy means changing from a liquid, fossil based feedstock to a solid, waste based feedstock. This poses significant technical challenges but also opportunities for the development and deployment of new, novel technologies and solutions. In this presentation we will be touching at a high level on the requirements and challenges of these technologies. And based on technological developments we will be presenting a look into the near and farther future.

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Hydrochemolytic Upcycling of Polyethylene: An Efficient, Lower-Energy Technology to Produce Paraffins in High Yield and Purity

anil jhawar

This new technology overcomes both the inherent difficulty of chemically recycling addition polymers like polyethylene (PE) and the energy intensity of thermolytic methods. From polyethylene (PE) and polypropylene to tire rubber, the principal challenge in chemically transforming addition-reaction polymers is their chemical inertness. Indeed, like its lower-molecular-weight, paraffinic homologs, PE is “parum affinis” (Lat., without affinity): it is relatively unreactive. Thermolytic methods overcome that inertness by thermally energizing all bonds in PE, both C-H and C-C, thereby “pushing” them over the activation barrier to bond-breaking.

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Feedstock recycling of PLA – a biobased polymer goes circular

Plastics from renewable resources like polylactide (PLA) are gaining more and more market share. With the proliferation of PLA, issues concerning the end-of-life options of PLA products gain more and more importance. One possibility, regarded as being the most favorable several years ago, is the processing of PLA in industrial composting plants.

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