Green Hydrogen Transformation Project

Location: Duisburg, Germany

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Green Hydrogen Transformation Project Overview

The hydrogen required for iron production is to be produced by electrolysis, in which water is broken down into hydrogen and oxygen. Only electricity from renewable sources will be used to operate the electrolyzers. At its power plant site in Lingen RWE is already planning to build electrolysis capacities that could supply green hydrogen for the iron production of Thyssenkrupp.

A 100 MW electrolyzer could produce 1.7 tons of gaseous hydrogen per hour, corresponding to around 70 percent of the quantity required by the Duisburg steelmaker’s blast furnace earmarked for hydrogen use. This would translate theoretically into around 50,000 tons of climate-neutral steel. The conversion of the blast furnace is to be carried out by 2022.

Work Scope

Green hydrogen from an RWE Generation electrolyzer helping Thyssenkrupp Steel Europe sustainably reduce CO2 emissions from steel production in the future. The energy company and the steel producer have agreed to work together towards a longer-term hydrogen partnership. The first hydrogen is set to flow to the Duisburg steel mill by the middle of the decade. CO2 emissions from iron production to be reduced. 100 MW electrolyzer could cover 70% of H2 requirement of a Thyssenkrupp blast furnace. Rapid implementation of National Hydrogen Strategy helpful for investment decisions.

Brunel project team

Brunel was awarded the contract by Thyssenkrupp to provide process engineering support services:

  • Involvement in various piping projects for independent energy supply using hydrogen
  • Elaboration of rough technical concepts to derive measures for energy supply / energy production
  • Preparation of project documentation taking into account customerspecific requirements


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