Pioneering Electric Arc Furnace Slag as a Supplementary Cementitious Material

Creating a high-performance, low-carbon cement solution for a more sustainable steel and cement industry.

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The Opportunity

The cement and steel industries together account for around 14% of global CO₂ emissions. As steel production partially shifts towards Electric Arc Furnaces, a new generation of slag is emerging — presenting both a challenge and an opportunity. ECO-SLAG-CEM is exploring how this material can be transformed into a high-performance, low-carbon cementitious solution.

Project Overview

A coordinated approach to transforming industrial by-products into low-carbon materials.

Innovation

Unlocking the potential of EAF slag

We enhance the intrinsic reactivity of Electric Arc Furnace slag using high-temperature treatments and bio-based activation systems — turning an underused by-product into a viable cementitious material.

Impact

Reducing emissions. Advancing circularity.

By replacing declining blast furnace slag and reducing reliance on clinker, the project supports significant CO₂ reductions across cement and steel — while keeping valuable materials in use.

Goal

Building the next generation of low-carbon binders

We aim to develop durable, scalable cement solutions that align with the future of steel production and enable long-term decarbonisation.

From industrial by-product to essential material

As the steel industry partially transitions to Electric Arc Furnace technology, the slags it produces are changing. ECO-SLAG-CEM ensures this shift becomes an opportunity — enabling by-products to be reimagined as a valuable resource for low-carbon construction.

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