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Gas Purging Benefits in the BOF : A Focus on Material Efficiency and CO2 Emission Reduction

Title data

Kollmann, Thomas ; Bundschuh, Philip ; Samm, Volker ; Schenk, Johannes ; Kirschen, Marcus:
Gas Purging Benefits in the BOF : A Focus on Material Efficiency and CO2 Emission Reduction.
In: Proceedings - METEC & 2nd ESTAD 2015, European Steel Technology and Application Days. - Düsseldorf : Stahlinstitut VDEh , 2015 . - 7 S.

Abstract in another language

In highly competitive steel markets worldwide, an economical and climate-friendly steelmaking process is required to ensure profitable crude steel production in the future. Considering the tightening global CO2 emission requirements, which result in rising energy prices and the purchase of carbon credits, raw material and energy efficiency have to be continuously optimized. One option to increase resource efficiency in the steelmaking process chain is the use of bottom inert gas purging in the BOF. Gas purging increases mass and energy transfer in the molten metal, the mixing energy, and the bath kinetics, promoting improved decarburization and dephosphorization reaction rates. Further essential benefits include higher thermal and chemical homogeneity of the liquid metal bath, better process control, and increased yield from raw materials due to the reduced consumption of various fluxes, alloys, and oxygen.

Further data

Item Type: Article in a book
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Research Institutions > Affiliated Institutes > Fraunhofer Center for High Temperature Materials and Design (HTL)
Result of work at the UBT: No
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 18 Jun 2019 12:31
Last Modified: 18 Jun 2019 12:31
URI: https://eref.uni-bayreuth.de/id/eprint/49566