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23 – 27 Nov 2026 | Berlin, Germany

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CarboSlag

Startup

www.carboslag.netBerlin, Germany

About

CarboSlag helps mine operators tackle the long-term challenge of restoring mine-affected soils and water.

We transform suitable steelmaking by-products into engineered treatment materials designed to neutralise acidity, immobilise harmful metals and bind CO₂. By connecting a local industrial resource with a pressing remediation need, CarboSlag aims to make mine restoration more circular, lower-carbon and cost-effective.

Our treatment-as-a-service model brings the process together—from qualifying slag and tailoring the formulation to a site, to supporting application and monitoring performance. Mine operators get a solution designed around their material, site and remediation goals, while steelmaking by-products gain a valuable new use.

We are developing CarboSlag with research and industry partners and preparing for field pilots. Our goal is to help turn the legacy of extraction into an opportunity for environmental recovery and regional regeneration.

Have a site to restore, a suitable slag stream or a research question? Get in touch to explore a pilot or partnership.

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Artificial Intelligence & Machine LearningGreenTech & Sustainable SolutionsAgritech & FoodTechClean Energy & Climate TechSocial Impact & Community Development

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Founder & CEO

CarboSlag