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Biomimicry and carbon adsorbent eco-materials for a climate-neutral economy

Periodic Reporting for period 1 - CSTO2NE (Biomimicry and carbon adsorbent eco-materials for a climate-neutral economy)

Reporting period: 2023-01-01 to 2024-12-31

The CSTO2NE project tackles environmental challenges by transforming biowaste and industrial waste into eco-engineered materials through industrial symbiosis, mineral carbonation, and biomimicry.

Context and Objectives

With global resource consumption expected to double in 40 years and waste generation rising by 70% by 2050, sustainable waste management is urgent. Aligned with the European Green Deal and New European Bauhaus, CSTO2NE aims to:
• Innovate Recycling Methods: Develop advanced waste upcycling techniques, including CO2 mineral carbonation.
• Incorporate Biomimicry: Use nature-inspired designs to enhance carbon uptake and integrate waste into materials.
• Prototype Development: Create cost-effective, high-performance eco-materials for construction and energy applications.
• Promote Eco-Innovation: Develop sustainable business models to drive commercialisation.

Project Pathway to Impact

CSTO2NE follows a multidisciplinary approach structured into five key work packages:
• Coordination & Management: Ensure efficient implementation and partner collaboration.
• Knowledge Sharing & Dissemination: Maximize outreach and knowledge exchange.
• Upcycling & Carbon Uptake: Characterize waste and design biomimicry-inspired CO2 sequestration methods.
• Prototype Design & Properties: Develop and test eco-materials for environmental and economic viability.
• Eco-Innovation Business Models: Create commercialisation strategies for sustainable market uptake.

Expected Impacts

CSTO2NE contributes to the European Green Deal by reducing greenhouse gas emissions and promoting resource efficiency. It will:
• Reduce CO2 Emissions: Develop carbon-capturing materials to combat climate change.
• Enhance Waste Valorization: Convert waste into valuable resources, minimizing landfill use.
• Support Economic Growth: Drive circular economy innovation and job creation.
• Increase Public Awareness: Disseminate knowledge to encourage sustainable practices.
The CSTO2NE project, funded under Horizon Europe and the UK Engineering & Physical Sciences Research Council, focuses on biomimicry-driven, carbon-adsorbent eco-materials. Below is a summary of key technical and scientific progress.

Work Package 3: Upcycling and Carbon Uptake

Activities Performed:
• Waste Materials Characterization (On Track): Analyzed industrial residues (steel slags, cement dust, biomass ashes, etc.), studied hydrogen sulfide emissions, and evaluated textile fibers for CO2 capture.
• Biomimicry-Inspired Carbonation (Partially Achieved): Reviewed alkali-activated foamed materials, optimized CO2 curing on Electric Arc Furnace slag, and explored biological carbonation methods.
• Co-Utilization of Biowaste (Partially Achieved): Integrated textile fibers and biowaste into hybrid binders, developed porous structures for better carbonation, and assessed biomass applications.

Key Challenges & Next Steps:
• Address material variability with adaptable mix designs.
• Improve carbonation uniformity and long-term durability validation.
• Optimize biomimicry-based CO2 absorption for large-scale applications.

Work Package 4: Prototype Design and Properties

Activities Performed:
• Biomimicry in Prototype Design (On Track): Explored nature-inspired filtration solutions, artificial rock-like materials, and carbon-absorbing structures.
• Characterization of Industrial Prototypes (Partially Achieved): Conducted durability and thermal performance tests and assessed soil interaction and biochar integration.
• Life Cycle Assessment (Partially Achieved): Preliminary analysis shows a 30% CO2 reduction, with further data required.

Key Challenges & Next Steps:
• Scale up production for industrial applications.
• Conduct extended durability and exposure testing.
• Finalize LCA and refine economic feasibility assessments.

Work Package 5: Eco-Innovation Business Models

Activities Performed:
• Business Model Development (Partially Achieved): Conducted market studies, but industry engagement remains limited.
• Blueprint on Research Impact (Partially Achieved): Applied open innovation principles; a research paper is in preparation.
• Training on Business Models (Partially Achieved): Developed initial training and video materials, but Demoday implementation is pending.
• Demoday & Dissemination (Not Yet Achieved): Event planning is ongoing; stakeholder participation remains low.
• Handbook on Business Models (Not Yet Achieved): Conceptual work has begun, but full drafting is pending.

Overall Project Impact and Outcomes

Scientific Contributions:
• Advanced CO2 sequestration knowledge through biomimicry and industrial waste valorization.
• Developed carbon-absorbing materials with large-scale potential.

Technical Innovations:
• Demonstrated feasibility of biowaste and industrial waste as feedstock for carbon-negative products.
• Optimized carbonation techniques for sustainable construction.

Future Steps:
• Expand pilot testing for scalability.
• Strengthen industry engagement for technology transfer.
• Finalize LCA and cost assessments to support commercialization.
Scientific and Technical Advances
• Material Characterization & Carbonation: Successfully applied CO2 sequestration strategies to industrial waste, enhancing material durability.
• Prototype Development: Produced hybrid binders, artificial rocks, and compacted aggregates with promising performance.
• Eco-Innovation & Business Models: Established commercialization frameworks, though further validation is required.

Potential Impacts

Environmental & Sustainability
• Supports net-zero targets by reducing CO2 emissions.
• Enhances circular economy by repurposing industrial and biowaste.

Industrial & Market
• Introduces sustainable alternatives to cement-based products.
• Expands opportunities in construction and water treatment sectors.

Policy & Regulatory
• Aligns with EU Green Deal and circular economy policies.
• Calls for updated standards for CO2-absorbing materials.
Design new mortars, concrete, and technology
Team members logos and funding of the CSTO2NE project
Logo and visual representation of the CSTO2NE project
Design Solutions for circular economy in regions or sectors
Improve CO2 absorption and properties of existing technology
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