Purification of Steel Mill Gases under Changing Feed Stock Conditions

This paper focuses on the operation and results of the gas treatment pilot plant for the purification and conditioning of steel mill gases, a key element of the Carbon2Chem® Technical Center in Duisburg, Germany. Using highly sensitive analytics, it is demonstrated that steel mill gas impurities whi...

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Bibliographic Details
Published inChemie ingenieur technik Vol. 96; no. 9; pp. 1218 - 1223
Main Authors Büker, Karsten, Morstein, Olaf, Yildirim, Ömer, Daheim, Nicolai, Frey, Andreas, Voss, Christian, Geisbauer, Andreas
Format Journal Article
LanguageEnglish
Published 01.09.2024
Subjects
Analytics
Gas purification
Gas treatment pilot plant
Steel mill gases
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Summary:This paper focuses on the operation and results of the gas treatment pilot plant for the purification and conditioning of steel mill gases, a key element of the Carbon2Chem® Technical Center in Duisburg, Germany. Using highly sensitive analytics, it is demonstrated that steel mill gas impurities which are detrimental to downstream catalytic conversion are reduced to single‐digit ppb levels. Strategies for adapting the gas purification process to take account of the transformation of steelmaking towards direct reduction are also discussed. Experimental findings from the gas treatment pilot plant at the Carbon2Chem® Technical Center are presented. Information on the composition of the raw gases is provided, including coke oven gas, blast furnace gas, and blast oxygen furnace gas, as well as the purified gases. Key aspects of adapting the gas treatment plant for future applications are also discussed.
ISSN:0009-286X
1522-2640
DOI:10.1002/cite.202400031