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Use of HBI in Blast Furnace

Einsatz von brikettiertem Eisenschwamm im Hochofenprozess

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Abstract

Reducing CO2 emissions by around 80% by the year 2050 is the central climate goal and requires both energy suppliers and industry to prepare themselves and explore new pathways together. The vision is to move away from carbon via bridging technologies based on natural gas with DRI/HBI production and finally on to the greatest possible use of green hydrogen in steelmaking. Direct reduced iron (DRI) can be used after briquetting in form of HBI in the blast furnace to decrease the consumption of coke and/or pulverized coal as well as to increase the production of hot metal.

Zusammenfassung

CO2-Emissionen bis 2050 um rund 80 % zu reduzieren, ist das zentrale Klimaziel, für dessen Erreichung sich sowohl die Industrie als auch die Energieversorger bestmöglich rüsten und gemeinsam neue Wege gehen müssen. Die Zukunftsvision sieht vor, von Kohlenstoff über Brückentechnologien mit Erdgas im Direktreduktionsprozess letztlich zur möglichst umfassenden Anwendung von „grünem“ Wasserstoff bei der Stahlherstellung zu gelangen. Eisenschwamm kann als vorreduzierter Einsatzstoff im Hochofenprozess den Bedarf an Kohlenstoffträgern wie Koks und Einblaskohle reduzieren und die Schmelzleistung erhöhen, wenn mehr Roheisen benötigt wird.

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Acknowledgements

Part of this research was performed in the course of the project H2FUTURE, which has received funding from the Fuel Cells and Hydrogen 2 Joint Undertaking under grant agreement No 735503. This Joint Undertaking receives support from the European Union’s Horizon 2020 research and innovation programme and Hydrogen Europe and N.ERGHY.

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Correspondence to Th. Buergler.

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Griesser, A., Buergler, T. Use of HBI in Blast Furnace. Berg Huettenmaenn Monatsh 164, 267–273 (2019). https://doi.org/10.1007/s00501-019-0865-6

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  • DOI: https://doi.org/10.1007/s00501-019-0865-6

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