At the heart of the concept is a hydrogen-compatible DR plant with two electrically powered melting furnaces, which will enable more climate-friendly steel production at the Duisburg site:
Important for the transition phase: Green hydrogen is unlikely to be available when the DR plant is scheduled to start up. The plant is therefore designed so that it can also run on natural gas – as a bridging technology until the ramp-up of hydrogen and infrastructure enables a complete conversion.
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The essential raw material, iron ore in the form of pellets, for the direct reduction process is stored in the direct reduction plant's pellet and raw material store. The store is designed to provide a continuous supply to the plant to ensure seamless running of the direct reduction process.
The direct reduction tower is the central unit of a reduced-CO2 steel production plant that replaces the conventional blast furnace processes. This tower is where the direct reduction of iron from iron ore takes place with the help of reduction gases such as hydrogen (H2). The result is solid, spheroidal iron that is liquefied in the melters before further processing in the steel mill.
The process gas required for the reduction is generated in the reformer.
The reduction gas is reformed at high temperatures from a variable mixture of hydrogen, natural gas and process gases.
The melter, also known as Submerged Arc Furnace (SAF), is characterized by its use of a melting process in which the metal is melted openly in a bath, as opposed to closed melting furnaces such as the Electric Arc Furnace (EAF). The SAF enables efficient melting and thus plays an important role in metallurgy. In addition, the slag produced in the melting process can be further processed into granulated blast furnace sand, and used as a valuable raw material in the cement industry.
The casting hall is the area where the molten hot metal from the melter is poured into what are called transport ladles, which in turn are transported to the actual BOF meltshop for further processing.
Slag granulation is a process used in the steel industry to process the slag generated during steelmaking. In the process, the hot molten slag is quickly cooled and granulated. The blast furnace slag produced in this way can be used as a valuable raw material in the cement industry.
Premium steel from thyssenkrupp Steel will remain an indispensable base material in the coming decades – for the energy and mobility transition, for infrastructure, mechanical engineering, construction, and many other applications. It is crucial for us to enable this value creation in the future with significantly lower CO2 intensity in the interests of climate protection – while maintaining the same high product quality.
Climate-neutral steel production in the Ruhr region
The scale of the conversion of our pig iron production is matched by the huge future demand for climate-neutral hydrogen from thyssenkrupp Steel. Every two hours, the DR plant will require more hydrogen than can be stored in the Oberhausen gasometer, for example. As one of the most important customers in the future, thyssenkrupp Steel is thus accelerating the ramp-up of the hydrogen economy.
To secure the future local and long-distance supply of green hydrogen and electricity, thyssenkrupp Steel is in talks with potential project partners. In addition, according to the current situation, Duisburg is to be connected to the national hydrogen network at an early stage. The planned hydrogen pipeline between Dorsten and the Duisburg district of Hamborn (DoHa project) will secure the connection to a supraregional H2 network. Further connections to currently planned large-scale projects, e.g., with a link to Rotterdam, are also planned.
If you have any questions about our hydrogen supply, please contact us by email: [email protected].
For a successful green transformation, our customers need reliable, traceable improvements in their carbon footprint – without compromising on quality, processing, or availability.
bluemint® Steel is already our brand for carbon-reduced steel, which will also be produced in the hydrogen-based DR plant in the future. For several years now, customers have been able to reduce their CO2 footprint with bluemint® Steel – among other things through the use of alternative raw materials in the blast furnace.
For additional commitment and transparency, we adhere to global standards:
© thyssenkrupp Steel Europe AG Usage hints 300dpi WEBP
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We gladly provide free of charge the images included in our media library for use within daily use in the press (including magazines published weekly or monthly). In any case, condition precedent for this is that when using them, you refer to our company as the source in the immediate vicinity of the image material used and in the customary manner (© thyssenkrupp Steel Europe). If a different author is indicated, this must be stated. You are only authorized to process images to the extent that this is technically mandatory for the specific publication (e.g. black/white instead of in color in a monochromatic daily newspaper) and/or to the extent you only change the size proportionally, without using only part of the image, or to stretch, compress or modify it in any other way or to deform it. Every other processing and use is only admissible after prior written approval (email to: [email protected]). We request to be provided with an author’s copy free of charge and promptly after the respective publication of print media, with films with a digital version in a customary playback format on a generally readable data carrier. Where the image material is used online, you shall provide us with the detailed URL of the respective website and make this website accessible to us. closeWith our climate strategy, we are committed to the 2015 Paris Climate Agreement and are assuming social responsibility. By 2045 at the latest, our steel production is to be completely climate-neutral. As an initial interim target for 2030, we want to reduce our emissions from production and processes within our own company (Scope 1) and emissions from energy procurement (Scope 2) by more than 30 percent compared to the reference year 2018. Further facts and figures on our climate strategy can be found here.
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Contact
Mark Stagge
Head of Public & Media Relations, thyssenkrupp Steel Europe
Roswitha Becker
Press spokesperson, thyssenkrupp Steel Europe
