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Content archived on 2022-11-21

Control of CO-postcombustion inside EAF with FTIR (fourier transformed infrared) - spectroscopy system

Objective

The share of the electric arc furnace in the production of crude steel increases steadily and it is expected to exceed 50% by the year 2010. The exhaust gas of an electric arc furnace contains a considerable amount of energy as heat and chemical energy from incompletely burned components CO and H2. Up to 30% of the total energy input to an EAF can be lost in the off-gas handling system. Therefore, post-combustion of CO and the effective recovery of heat generated during the flat bath period will be an integral part of the operating practice. The final aim of this research is to develop a concept of controlled post-combustion of CO inside the furnace. For this purpose, an integrated measurement system for the temperature and the gas components CO, CO2 and O2 for on-line monitoring the post-combustion process inside EAF will be developed based on the FTIR spectrometry.

Call for proposal

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Coordinator

RHEINISCH-WESTFÄLISCHE TECHNISCHE HOCHSCHULE AACHEN FÜR DAS IEHK
EU contribution
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Address
Templergraben 55
52062 AACHEN
Germany

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Total cost
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Participants (3)