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Covestro Launches Bio4PurConti EU-Funded Project

Bio4PURConti is a pioneering EU-funded project which aims to develop the world’s first continuous production process for bio-based aniline.

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By: Rachel Klemovitch

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Covestro has launched Bio4PURConti (Bio-Based Continuous Production for Sustainable Polyurethane Industry), acting as project coordinator of the pioneering EU-funded initiative. 

The project aims to develop the world’s first continuous production process for bio-based aniline. Aniline is a key raw material for the plastics and chemical industry, notably for MDI (methylene diphenyl diisocyanate), a core building block for polyurethanes.

Rather than using fed-batch methods, Bio4BurConti uses raw materials and harvested in stages, targeting a continuous fermentation technology. 

The resulting bio-based aniline is fully drop-in compatible with existing polyurethane value chains, meeting MDI specifications without requiring changes to downstream processes, making it a powerful lever for defossilization well beyond the chemical industry itself. 

“Bio4PURConti is a landmark project – not just for Covestro or the aniline market, but for the entire field of industrial biotechnology,” says Dr. Markus Dugal, Head of Process Technology at Covestro. “Demonstrating continuous fermentation at semi-industrial scale for a high-volume raw material like aniline will set a new benchmark for what biotech processes can achieve in the chemical industry. Biology and engineering, when combined at scale, can fundamentally reshape how we produce the materials the world depends on.”

The 10-partner consortium, spanning 7 countries, brings together leading industrial and academic organizations: Covestro Deutschland AG (Germany), Fibenol Imavere OÜ (Estonia), University of Stuttgart (Germany), Bio Base Europe Pilot Plant VZW (Belgium), Center for Advisory Systems in Technology, Dortmund e.V. – ZEDO (Germany), Norwegian University of Science and Technology – NTNU (Norway), Axel’One (France), VTT Technical Research Centre of Finland Ltd (Finland), Cluster Industrial Biotechnology – CLIB (Germany), and Asociación Española de la Innovación en el Marketing y la Inversión Sostenible – AEIMIS (Spain).

The project has a total budget of €8.4 million, with €7 million in EU funding, and runs for 42 months. Together, the consortium aims to significantly reduce the Product Carbon Footprint (PCF) of aniline in the future.

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