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A model on CO2 emission reduction in integrated steelmaking by optimization methods

✍ Scribed by C. Wang; M. Larsson; C. Ryman; C.-E. Grip; J.-O. Wikström; A. Johnsson; J. Engdahl

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
336 KB
Volume
32
Category
Article
ISSN
0363-907X

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✦ Synopsis

The iron and steel industry is a large energy user in the manufacturing sector. Carbon dioxide from the steel industry accounts for about 5-7% of the total anthropogenic CO 2 emission. Concerns about energy consumption and climate change have been growing on the sustainability agenda of the steel industry. The CO 2 emission will be heavily influenced with increasing steel production in the world. It is of great interest to evaluate and decrease the specific CO 2 emission and to find out feasible solutions for its reduction. In this work, a process integration method focusing on the integrated steel plant system has been applied. In this paper, an optimization model, which can be used to evaluate CO 2 emission for the integrated steel plant system, is presented. Two application cases of analysing CO 2 emission reduction possibilities are included in the paper. Furthermore, the possibility to apply the model for a specific integrated steel plant has been discussed. The research work on the optimization of energy and CO 2 emission has shown that it is possible to create a combined optimization tool that is powerful to assess the system performance from several aspects for the steel plant.

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