Sarralle and Nippon Gases successfully complete a pioneering green hydrogen project at the ArcelorMittal Olaberria plant.

Sarralle and Nippon Gases have worked together to set up an innovative green hydrogen and oxy-fuel combustion system at the ArcelorMittal Olaberria plant, a European leader in steel manufacturing. Designed, manufactured and installed entirely by Sarralle, the system enables the reheating furnace in the rolling mill to operate 100% on green hydrogen instead of natural gas, completely eliminating CO2 emissions from the combustion process.

Developed in close collaboration with Nippon Gases, the system replaces conventional air and natural gas burners with hydrogen-based oxy-fuel burners, significantly improving thermal efficiency and ensuring cleaner and more sustainable steel production. The combustion of hydrogen generates only water vapour, making it a key enabler of zero emission industrial processes. Given that reheating furnaces are among the most energy-intensive systems in steel plants, consuming up to 80% of the fuel used, this technology represents a major step towards the decarbonisation of the steel industry.

Source: Sarralle