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  • Sustainability

Bremen recovers converter gas

ArcelorMittal Bremen (Germany) has implemented a €41 million project to recover energy, lower dust emissions and reduce nitrogen-oxide (NOx) emissions. The project saw the construction of a basic oxygen furnace (BOF) gas recovery facility and a convertor dedusting system.

The gas recovery facility will allow Bremen to reduce CO2-eq emissions by up to 100,000 tonnes per year. Around 80% of the recovered gas will be burnt in the walking beam furnaces of the hot strip mill, replacing the use of natural gas. The remaining recovered gas will be used in the mill’s power plant to generate electricity.

During renovations to implement the new systems, the burners of the walking beam furnaces were adapted to reduce NOx emissions by over 25%. In addition to lower dust emissions and the recovery of energy rich gases, this is the third green effect of this project.