Covestro-backed BioBTX to produce aromatics from waste

Dutch circular chemistry technology developer BioBTX is building its world's first commercial-scale plant to transform mixed plastic waste into high quality aromatic chemicals based on its in-house developed ICCP (Integrated Catalytic Cracking Process) technology. Covestro has been a shareholder and strategic partner of the Groningen-based company since 2024, with a mid-single-digit million Euro stake [as announced].

The plant, which shall create 35 new jobs, will be built at Chemical Park Delfzijl at the northern Coast of the Netherlands. It will use BioBTX's proprietary ICCP technology, which converts the type of mixed plastic waste that would otherwise be incinerated or put to landfill via catalytic pyrolysis into aromatic oil consisting of benzene, toluene and xylenes (B-T-X). These are the same building blocks the chemical industry uses today in coatings, pharmaceuticals and performance materials. They can also be used for the isocyanate production (MDI/TDI) of Covestro, out of which soft foam for e.g. mattresses or rigid foam for insulating refrigerators are made.

"We've followed BioBTX's progress for years and are very happy to now see the point where the technology proves itself at industrial scale," says Dr. Thorsten Dreier, Chief Technology Officer at Covestro. "This marks a very important step. Moreover, it processes mixed plastic waste instead of a single sorted stream, which is exactly the kind of recycling we need more of at scale to make a circular economy become reality."

In total, the plant is expected to recycle about 20,000 tonnes of waste and produce around 10,000 tonnes of renewable aromatic oil and 8,000 tonnes of sustainable by-products from it annually. Compared to conventional, fossil-based BTX production, the process is expected to cut greenhouse gas emissions of the resulting chemical building blocks by 70 to 80 percent.

"Reaching this key milestone in the development of BioBTX marks an important step in our journey towards our mission of making circular chemistry possible. I am very proud of the full BioBTX team and shareholders whose dedication and commitment has made this achievement possible. We are going to build our world's first fully sustainable aromatic plant. A great accomplishment!" says Ton Vries, Co-founder and CEO of BioBTX.

This milestone concludes a 14-year journey from an idea in 2012 through lab- and pilot-scale to commercial execution. While this first plant focuses on mixed plastic waste, the ICCP technology is feedstock-flexible, with the potential to expand to other sources in the future, such as biomass.

About Covestro:

Covestro is one of the world's leading manufacturers of high-quality polymer materials and their components. With its innovative products, processes and methods, the company helps enhance sustainability and the quality of life in many areas. Covestro supplies customers around the world in key industries such as mobility, building and living, as well as the electrical and electronics sector. In addition, polymers from Covestro are also used in sectors such as sports and leisure, telecommunications and health, as well as in the chemical industry itself.

The company is geared completely to the circular economy. In addition, Covestro aims to achieve climate neutrality for its Scope 1 and Scope 2 emissions by 2035, and the Group's Scope 3 emissions are also set to be climate neutral by 2050. Covestro generated sales of EUR 12.9 billion in fiscal year 2025. At the end of 2025, the company had 46 production sites worldwide and employed approximately 17,600 people (calculated as full-time equivalents).

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