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ULCOS - Pilot testing of the Low-CO2 Blast Furnace processat the experimental BF in Luleå

Published online by Cambridge University Press:  28 January 2009

G. Danloy ,
A. Berthelemot ,
M. Grant ,
J. Borlée ,
D. Sert ,
J. van der Stel ,
H. Jak ,
V. Dimastromatteo ,
M. Hallin  and
N. Eklund
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Abstract

The ULCOS blast furnace process aims at reducing theCO2 emission of the blast furnace by 50% in two steps:
Decrease of carbon consumption by recyclingmost of the top gas after CO2 removal, which requiresoperating the blast furnace with pure oxygen;
Underground storage of CO2.
The first stage is essential to demonstrate the feasibility of thisnew process. It has been tested over a 6 week campaign atthe LKAB experimental BF in Luleå. The facility was adaptedspecifically for the trials (including the erection of a VPSAplant). Different operating conditions were investigated.In conclusion, and taking into account underground storage,the CO2 emission at the blast furnace was reduced by upto 76%. For the steelmaking plant, this should result in anet CO2-savings of 65% at the level of the hot rolled coil.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 106 , Issue 1: Blast FurnaceSteelmakingGalvanizing , January 2009 , pp. 1 - 8
Copyright
© La Revue de Métallurgie, 2009

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