Techno-economic Assessment of Recovery and Reuse of Low Temperature Heat (T<350°C) in the Steel Industry by Means of Process Integration

This article presents a techno-economic evaluation of various options for recovery and reuse of low temperature heat (LTH) with temperatures below 350°C. A process integration approach has been applied to illustrate the investment strategies for a typical European integrated steel plant towards posi...

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Bibliographic Details
Published in:Energy procedia 2014, Vol.61, p.2188-2191
Main Authors: Wang, Chuan, Bellqvist, David, Nilsson, Leif, Ivashechkin, Pavel, Reimer, Veronika, Rato, Ricardo, Guillon, Christelle, Weber, Valentine, Arribas, Juan-Jose
Format: Article
Language:English
Subjects:
flue gas
Low temperature heat
process integration
steel industry
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Summary:This article presents a techno-economic evaluation of various options for recovery and reuse of low temperature heat (LTH) with temperatures below 350°C. A process integration approach has been applied to illustrate the investment strategies for a typical European integrated steel plant towards positive energy and environmental effects. The modelling results indicate a CO2 reduction potential of 0.44-1.80% of the total CO2 emissions by recovering and reuse of LTH from the flue gas in various process units. The pay-back time depends on reuse pathways and waste heat temperature, varying from 0.5 to 7.6 years. The results are only valid for the simulated generic site. For the results implementation at real steel plants, local boundary conditions should be considered.
ISSN:1876-6102
1876-6102
DOI:10.1016/j.egypro.2014.12.106