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EcoStock Adopted by ArcelorMittal: Demonstrating the Profitability of High-Temperature Thermal Storage

Implementation Date

April 13, 2022

By

ArcelorMittal

City

Dunkerque

story image

Description

Eco-Tech Ceram, a Toulouse-based industrial thermal engineering startup, is installing a thermal storage unit at the ArcelorMittal, the largest steel production site in Europe. This high-temperature thermal storage demonstrator captures, stores and recovers waste heat. To demonstrate the cost-effectiveness of its solution, Eco-Tech Ceram has offered to install the prototype at the industrial giant ArcelorMittal's steel plant in Dunkerque. Once the pilot tests are completed, the containerized storage prototype will be moved to other industrial sites in the Hauts-de-France region to enable upstream testing of future decarbonization projects.

Impact & Result

This prototype demonstrated the profitability of our solution for recovering waste heat to dry agglomeration sludge. As a result, ArcelorMittal does not need to use fossil fuels to dry its sludge, and no longer has to pay the additional cost of transporting wet sludge. With an energy efficiency rate of around 40, the Eco-Stock is capable of converting waste heat into low-carbon energy.

Solution Spotlight

Industry wastes up to 40% of the energy it consumes as unused heat. Eco-Tech Ceram’s Eco-Stock® is a modular and eco-designed thermal battery that captures this wasted energy or converts low-cost renewable electricity into high-temperature heat (up to 1000°C). The stored heat is then delivered on demand to industrial processes, helping companies cut natural gas use, stabilise energy costs, and reduce CO₂ emissions by hundreds of tons each year—all without requiring upfront investment.

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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.