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Injection of alternative carbon containing materials into the blast furnace
RISE, Swerea, Swerea MEFOS.
RISE, Swerea, Swerea MEFOS.
Luossavaara-Kiirunavaara AB (LKAB).
VDEh-Betriebsforschungsinstitut GmbH (BFI).
Show others and affiliations
2012 (English)In: TMS Annual Meeting, 2012, p. 161-169Conference paper, Published paper (Refereed)
Abstract [en]

Residual materials from the integrated steel plant itself or other sources often contain valuable compounds of e.g. C and Fe. Dust and sludge have to be agglomerated to be able to recycle to the blast furnace (BF) via top-charging. By injection of the materials, preparation methods in terms of e.g. drying and/or screening only, can be used. Alternative carbon materials (ACM) in terms of BF dust and sludge have been successfully injected up to levels of 60 kg/tHM in the LKAB Experimental Blast Furnace (LKAB EBF®). Efficiency in recovery of valuable compounds as well as the behavior of undesired elements have been evaluated and are discussed.

Place, publisher, year, edition, pages
2012. p. 161-169
Keywords [en]
BF flue dust, BF sludge, Blast furnace, Injection
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-13471Scopus ID: 2-s2.0-84860828863ISBN: 9781118291160 (print)OAI: oai:DiVA.org:ri-13471DiVA, id: diva2:973680
Conference
International Smelting Technology Symposium, Incorporating the 6th Advances in Sulfide Smelting Symposium - TMS 2012 Annual Meeting and Exhibition
Available from: 2016-09-22 Created: 2016-09-22Bibliographically approved

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