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Operation trial of hydrogenous gas injection of COURSE50 project at an experimental blast furnace
JFE Steel Corporation, Japan.
Kobe Steel, Japan.
Nippon Steel and Sumitomo Metal Corporation, Japan.
Nippon Steel and Sumitomo Metal Corporation, Japan.
Vise andre og tillknytning
2013 (engelsk)Inngår i: ISIJ International, ISSN 0915-1559, E-ISSN 1347-5460, Vol. 53, nr 12, s. 2065-2071Artikkel i tidsskrift (Fagfellevurdert) Published
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.

sted, utgiver, år, opplag, sider
2013. Vol. 53, nr 12, s. 2065-2071
Emneord [en]
Blast furnace, CO2 emission, COG, COURSE50, Experimental blast furnace, H2, Hot top gas, Injection, Reformed COG, Sinter degradation
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Identifikatorer
URN: urn:nbn:se:ri:diva-12660DOI: 10.2355/isijinternational.53.2065Scopus ID: 2-s2.0-84893280028OAI: oai:DiVA.org:ri-12660DiVA, id: diva2:972852
Tilgjengelig fra: 2016-09-22 Laget: 2016-09-22 Sist oppdatert: 2020-12-02bibliografisk kontrollert

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