The process of reducing iron ore with hydrogen will first be tested using grey hydrogen generated from gas separation. We aim to achieve the separation of H 2 with a purity of more than 97% from the waste gas of the existing plant, using a process known as ‘pressure swing absorption’. This will allow us to develop technological solutions at industrial scale to reduce iron ore with only Hydrogen and in absence of carbon. Many technical and practical challenges are ahead of us, which only can be solved in an operational plant, something that has never been done up to now due to lack of hydrogen infrastructure. In the future, the plant should also be able to run on green hydrogen when it is available in sufficient quantities at affordable prices, with the clean energy for hydrogen production potentially coming from wind farms off the coast of Northern Germany. In September 2019, ArcelorMittal announced the signing of a Framework Collaboration Agreement (FCA) with Midrex Technologies to design the Hamburg demonstration plant and work on several related R&D and innovation projects. "We are working with a world class provider, Midrex Technologies, to learn how you can produce virgin iron for steelmaking at a large scale by only using hydrogen. This project, combined with our ongoing projects on the use of non-fossil carbon and on carbon capture and use, is key to becoming carbon neutral in Europe in 2050. Large-scale demonstrations are critical to show our ambition.
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