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Operation trial of hydrogenous gas injection of COURSE50 project at an experimental blast furnace
JFE Steel Corporation.
Kobe Steel.
Nippon Steel and Sumitomo Metal Corporation.
Nippon Steel and Sumitomo Metal Corporation.
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2013 (English)In: ISIJ International, ISSN 0915-1559, E-ISSN 1347-5460, Vol. 53, no 12, 2065-2071 p.Article in journal (Refereed)
Abstract [en]

COURSE50 (CO2 ultimate reduction in steelmaking process by innovative technology for Cool Earth 50) carried out COG and reformed COG (RCOG) injection operation trials at LKAB's experimental blast furnace in Luleå in cooperation with LKAB and Swerea MEFOS. Operation trials were successfully carried out. Input of C in both COG and RCOG injection periods decreased comparing the base period, because ofincrease in H2 reduction instead of C direct reduction that is a huge endothermic reaction. However poor penetration depth of injected gas from shaft tuyere made furnace efficiency worse. Hot top gas injection increased temperature of top gas and upper part of the furnace. Efficiency of hot top gas injection was not clear as sinter degradation did not occur in the base period. © 2013 ISIJ.

Place, publisher, year, edition, pages
2013. Vol. 53, no 12, 2065-2071 p.
Keyword [en]
Blast furnace, CO2 emission, COG, COURSE50, Experimental blast furnace, H2, Hot top gas, Injection, Reformed COG, Sinter degradation
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-12660DOI: 10.2355/isijinternational.53.2065Scopus ID: 2-s2.0-84893280028OAI: oai:DiVA.org:ri-12660DiVA: diva2:972852
Available from: 2016-09-22 Created: 2016-09-22Bibliographically approved

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