Technical due diligence enables landmark tyre recycling facility

Scaling circular innovation with confidence

Circtec is an innovator in chemical recycling technology, converting end-of-life tyres into high-value circular products, including sustainable marine fuel, circular naphtha and recovered carbon black.

Following the successful operation of its demonstration plant in Poland, the company set out to develop a full-scale facility in the Netherlands that would significantly increase processing capacity and establish a new benchmark for large-scale tyre recycling in Europe.

The Delfzijl plant, officially opened in January 2026, is designed to process up to 200,000 tonnes of waste tyres per year once fully expanded, with Phase 1 already operational at 50,000 tonnes per year. The facility represents a major step forward in diverting tyres from incineration and export, transforming them into valuable feedstocks for fuels, plastics and new tyres.

Providing independent assurance for investors

To realise this ambition, Circtec required substantial external investment. As with many large-scale circular initiatives, investors needed confidence that the technology was robust, scalable and supported by an appropriate regulatory framework.

Haskoning was engaged to perform independent technical and environmental due diligence as part of the financing process. As part of the broader transaction advisory process, Haskoning provided lenders and investors with an objective assessment of the project’s technical maturity, risks and scalability.

Building on earlier involvement with the Polish demonstration plant, our specialists assessed whether the proprietary pyrolysis technology could be successfully scaled to a much larger commercial facility. We reviewed the detailed design of the Dutch plant and examined the key technical and environmental risks associated with its development.

In addition, the permitting position was assessed to determine whether regulatory requirements were adequately addressed and whether there were material risks that could affect delivery or operation. Our role was not to redesign the plant, but to provide an objective and independent view of the project’s technical robustness and risk profile.

By clearly identifying potential risks and evaluating the maturity of the design, we supported informed decision-making by financial stakeholders. This independent assessment contributed to investor confidence and helped enable funding for the construction of the Delfzijl facility.

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Looking for clarity and confidence for your next large-scale circular project? Our experts provide independent technical due diligence and transaction advisory support to help you assess risks, secure funding and make sound, sustainable investment decisions — whether in project finance, M&A or strategic growth initiatives.