Neste completes second series of runs at Porvoo refinery

Neste has successfully concluded its second series of industrial-scale processing runs with liquefied waste plastic at its refinery in Porvoo, Finland.
Neste completes second series of runs at Porvoo refinery
Storage tanks at Neste’s Porvoo refinery in Finland. In 2022, Neste launched a strategic study on the transformation of the refinery to a renewable and circular solutions site and ending crude oil refining by the mid-2030s. Copyright: Neste

The goal of the processing runs is to further increase the company’s understanding of how different types of waste plastics behave during chemical recycling in the refinery processes. The end product gained in the runs – Neste RE, a drop-in feedstock for petrochemicals – is turned into new plastics by Neste’s partners.

While Neste is establishing large-scale capacities to process liquefied waste plastic at its Porvoo site, the current processing runs utilize existing refinery equipment built for crude oil refining.

Since Neste’s first processing run in 2020, the company has concluded a total of six successful runs, processing close to 3,000 tons of liquefied waste plastic in total. After processing 800 tons in the first series completed in 2022, the company has been able to more than triple that amount to date. The processing runs are a part of Neste’s strategy to advance chemical recycling and contribute to a circular polymers economy.

Neste processed so called “hard-to-recycle” waste plastic, which would have ended up in incineration or landfill had it not been directed to chemical recycling. This highlights how chemical recycling complements existing mechanical recycling technologies.

The liquefied waste plastic for the runs has been sourced from multiple suppliers that are part of a supply network Neste has continuously expanded. Among others, the suppliers include US-based Alterra Energy, in which Neste holds a minority stake, as well as Finland-based Wastewise, with which Neste recently cooperated to chemically recycle cross-linked polyethylene (PEX) waste from pipe production into new PEX pipes.

Neste is looking to build capacities at its Porvoo site to process 400,000 tons of liquefied waste plastic per year during project PULSE, which is funded by the EU Innovation Fund. From 2030 onwards, Neste wants to process well over 1 million tons of waste plastic per year.

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