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HyBit Bremen CO2-NEUTRAL STEEL PRODUCTION The HyBit project is the starting point for the decarbonization of steel production in Bremen. At the power plant site in Mittelsbüren, green hydrogen is to be produced using the electrolysis process to enable the production of climate-neutral steel in the future.

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Task

Steel production is one of the biggest CO2 emitters in the world. The pressure on the industry to sustainably reduce its negative impact on the environment is therefore correspondingly high. The task of this project was to provide green hydrogen directly on site for the reduction of iron ore in the future.

Solution and implementation

The HyBit project is a major milestone in this direction. To this end, Arcelor Mittal’s steelworks is switching from the conventional blast furnace process to the innovative direct reduction process. In the current blast furnace process, the iron ore is converted into iron using hard coal coke, which releases a lot ofCO2. In future direct reduction, hydrogen will replace hard coal coke. Instead of climate-damagingCO2, only water vapor is released as a by-product.

The project to build a 10 MW electrolysis plant with transfer station, trailer filling and emergency feed-in is currently underway. The facility will be designed in such a way that it fits into the existing infrastructure.

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Project data

CO2 reduction:

The project will save 21,000 tons of CO2 emissions per year.

Electrolysis capacity:

The electrolysis capacity is 10 megawatts. This shows the amount of electrical energy that the system can use to split water into hydrogen and oxygen.

H2 storage:

HyBit is capable of storing 600 kg of hydrogen at a time. This high storage capacity is important in order to balance out fluctuations in production and consumption and to create the basic conditions for a continuous supply.

production capacity:

The plant has a production capacity of 180 kg/h, 1,560 tons per year. This means that it can produce 180 kg of hydrogen per hour, which equates to a capacity of 1,560 tons per year.

Usable oxygen:

In addition to hydrogen, oxygen is also produced, which can be used in other industrial processes. The production rate is 1,440 kg of oxygen per hour.

Realization:

24 months

Milestones

  • Amendment approval granted on 01.02.2023
  • Official start of construction: 15.05.2023
  • Assembly: 01-06/2024
  • Commissioning: from 11/2024

Project management

Michael Schmidt

Head of Project Development H2APEX
Phone: +49 381 799902-265
E-Mail: Michael.Schmidt@apex-energy.de

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