Super Bio-Accelerated Mineral weathering: a new climate risk hedging reactor technology

Projektinformationen

BAM

ID Finanzhilfevereinbarung: 964545

DOI

10.3030/964545

Projekt abgeschlossen

EK-Unterschriftsdatum 15 Dezember 2020

Startdatum 1 September 2021

Enddatum 31 August 2025

Finanziert unter

• EXCELLENT SCIENCE - Future and Emerging Technologies (FET)

Gesamtkosten

€ 3 474 058,75

EU-Beitrag

€ 3 474 058,75

Koordiniert durch

UNIVERSITEIT ANTWERPEN
Belgium

Periodic Reporting for period 3 - BAM (Super Bio-Accelerated Mineral weathering: a new climate risk hedging reactor technology)

Berichtszeitraum: 2024-03-01 bis 2025-08-31

Zusammenfassung vom Kontext und den Gesamtzielen des Projekts

The BAM! – Super Bio-Accelerated Mineral Weathering project tackled one of the most urgent global challenges: how to remove carbon dioxide (CO2) from the atmosphere in a sustainable and scalable way.
In nature, certain rocks naturally react with CO2 and lock it away in stable forms — a process known as mineral weathering. However, this natural reaction happens over thousands of years, far too slowly to make an impact on today’s climate crisis. The BAM! project explored how this process could be greatly accelerated using a combination of natural biological activity and modern engineering.

The overall aim of BAM! was to create the scientific and technological foundation for a reactor-based system that speeds up the natural weathering of minerals to capture CO2 more efficiently.
Specifically, the project sought to:

1. Understand how biological and physical processes can work together to enhance CO2 uptake by minerals;
2. Develop a prototype “hybrid reactor” to study these accelerated reactions in a controlled environment;
3. Use data and modelling tools to guide future design and application of such systems.

By linking natural processes with innovative technology, BAM! aimed to demonstrate a new pathway for carbon dioxide removal that could complement other climate mitigation efforts and support Europe’s move towards climate neutrality.

Arbeit, die ab Beginn des Projekts bis zum Ende des durch den Bericht erfassten Berichtszeitraums geleistet wurde, und die wichtigsten bis dahin erzielten Ergebnisse

During its four-year duration, BAM! brought together scientists and engineers from multiple disciplines — including geology, biology, environmental science, and data analytics — to study how minerals and living organisms can jointly capture CO2.

The project began by testing a wide range of natural materials and biological components under laboratory conditions to identify the most promising combinations for enhanced weathering. These studies showed that both biological activity and physical conditions (such as mixing and exposure to air and water) can significantly increase the rate at which rocks absorb CO2.

Building on these findings, BAM! designed and built an advanced experimental reactor that allowed researchers to observe and control the weathering process in real time. This new system made it possible to measure CO2 capture rates more precisely and to test how different operating conditions affect performance.

Digital tools, including machine learning, were used to analyse large amounts of data and to identify which conditions led to the most efficient CO2 uptake. This data-driven approach reduced the need for lengthy trial-and-error experiments and improved understanding of the key processes involved.

The project also explored practical routes for applying the concept in the future, for example by using industrial residues such as mineral by-products from manufacturing. These materials could potentially serve as feedstock for weathering systems, turning waste streams into resources for climate mitigation.

Results and insights were shared through scientific publications, open data, and outreach activities, contributing to the wider knowledge base on carbon removal and helping to inform future technological development and policy discussions.

Fortschritte, die über den aktuellen Stand der Technik hinausgehen und voraussichtliche potenzielle Auswirkungen (einschließlich der bis dato erzielten sozioökonomischen Auswirkungen und weiter gefassten gesellschaftlichen Auswirkungen des Projekts)

BAM! has advanced the field of enhanced weathering well beyond its previous state by combining biological understanding, engineering design, and digital innovation in one integrated framework. It demonstrated that natural CO2-binding processes can be substantially accelerated when supported by the right combination of biological and physical factors.

The project established a new experimental platform for testing and optimising mineral weathering under controlled conditions, providing a scientific basis for future development of reactor-based CO2 removal systems. It also showed how artificial intelligence can be used to make complex environmental research more efficient and predictive.

In the long term, these advances could contribute to a range of positive impacts:

- Climate impact: offering a new, nature-based yet technology-enabled approach to remove CO2 from the atmosphere;
- Environmental benefit: potential use of abundant natural and recycled minerals without harmful side-effects;
- Economic opportunity: new uses for industrial by-products and new avenues for low-carbon innovation;
- Societal value: contributing to Europe’s leadership in sustainable climate solutions and supporting the goals of the European Green Deal.

By creating a bridge between natural science and engineering, BAM! has delivered an important proof-of-concept for bio-accelerated mineral weathering as a safe, scalable, and sustainable carbon dioxide removal option. The knowledge generated lays the groundwork for future research, pilot applications, and partnerships that could help society move closer to a climate-neutral future.

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