ADORABLE

Publieke samenvatting / Public summary

Aanleiding
The impetus for producing bio-based adipic acid (AA) and e-caprolactone (e-CPL) stems from a combination of environmental, economic, regulatory and market considerations. These two monomers are fundamental building blocks in the polymer and materials industries and replacing their fossil-derived counterparts with renewable alternatives aligns with broader sustainability objectives. This approach supports a circular bioeconomy by converting agricultural residues and wastes into valuable chemicals, providing an opportunity for brand differentiation in consumer products. The use of bio-based alternatives enables companies to fulfill their corporate environmental, social and governance (ESG) targets and carbon reduction commitments. Furthermore, the potential for carbon tariffs on fossil-derived chemicals imposed by governing bodies such as the European Union may enhance the relative competitiveness of low-emission alternatives. Brands and consumers are increasingly demanding biodegradable, bio-based, and non-toxic materials. Automotive, apparel, and electronics companies are incorporating bio-based content into their supply chains to meet internal and regulatory sustainability goals.

Doelstelling
The ADORABLE project aims to advance the goals of the EKOO Industry mission and particularly to the polyester industries by exploring and developing a promising alternative bio-based production platform for adipic acid and e-caprolactone. The project will focus on a techno-economically viable platform to achieve a technology readiness level of TRL 5. Furthermore, ADORABLE envisions the creation of new value chains by connecting biomass feedstock suppliers, technology providers, the chemical industry, and brand owners. By successfully implementing the developed biobased AA and e-CPL production processes, the initiative will achieve a substantial reduction in the carbon footprint and/or global warming potential compared to current petrochemical production. Consequently, the ADORABLE consortium will not only address environmental concerns but will also foster sustainable industrial innovation and collaboration.

Korte omschrijving
To realize these objectives, the market for glucose-based applications and products must expand. ADORABLE intends to contribute to this growth by developing and exploring the application potential of glucose-derived products. As an end-user, ADM has a notable interest in adipic acid and caprolactone, particularly in the context of bio-based polyamide 6,6 and polyesters development. While ADM currently involved a non-green route for adipic acid production from glucose2, the ADORABLE project represents valuable green process development opportunities for the company. For Recell, this offers a valuable opportunity to convert the glucose produced from residual biomass into high-value chemicals and products such as adipic acid, caprolactone, and other derivatives. This allows Recell to further capitalize on their biomass-derived glucose and create additional revenue streams by accessing a wider range of downstream applications and markets.

Resultaat
ADORABLE will deliver 9 results: 1. Validated technologies for the production of C6 sugars and sugar acids (gluconic and glucaric) from renewable feedstocks. Supply multi-kilogram of feedstocks. 2. Optimizing the aerobic oxidation of glucose streams using heterogeneous oxidation catalysts under aqueous conditions to produce highly pure gluconic and glucaric acids at TRL 5. 3. Provide multi-kilogram quantities of gluconic and glucaric acid from ADM's proprietary technology. 4. Optimized chemo-catalytic conversion pathways for biobased adipic acid and e-caprolactone from glucaric and gluconic acid, respectively. 5. Representative kilogram-scale production of adipic acid and e-caprolactone for polyester and polyamide application validation. 6. Cooperation between stakeholders and validation of the full biomass-based adipic acid, e-caprolactone, and derived products value chain. 7. Assessments of the end-of-life, technoeconomic, and sustainability aspects of the value chains through technoeconomic analysis (TEA) and life cycle assessments (LCA). 8. Effective, extensive communication and dissemination of research outcomes. 9. Achieving social acceptance of the developed technol

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