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Thermoeconomical analysis of CO2 removal from the Corex export gas and its integration with the blast-furnace assembly and metallurgical combined heat and power (CHP) plant

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  • Lampert, Krzysztof
  • Ziebik, Andrzej
  • Stanek, Wojciech

Abstract

The paper presents the possibility of integration of the Corex process, blast furnace, CO2 removal installation and metallurgical combined heat and power (CHP) plant. Such an integration has significant advantages from the technical and environmental points of view. As the Corex export gas (after CO2 removal) is a highly valuable reducing agent, it is proposed to use it as a reducing gas injected to the thermal reserve zone of the blast-furnace process. Such an application leads first of all to a saving of coke. Besides the reduction of the consumption of coke, also the consumption of blast, high-purity oxygen, the amount and lower heating value (LHV) of blast-furnace gas as well as many other parameters are changed. CO2 separation is realized by physical absorption, which has been chosen and analysed as the most appropriate technology in similar applications. Higher LHV of the Corex gas obtained by CO2 removal provides the possibility of its utilization in the gas-and-steam CHP plant. Such a possibility has been also tested by means of energy and economical analyses.

Suggested Citation

  • Lampert, Krzysztof & Ziebik, Andrzej & Stanek, Wojciech, 2010. "Thermoeconomical analysis of CO2 removal from the Corex export gas and its integration with the blast-furnace assembly and metallurgical combined heat and power (CHP) plant," Energy, Elsevier, vol. 35(2), pages 1188-1195.
    • Handle: RePEc:eee:energy:v:35:y:2010:i:2:p:1188-1195
    DOI: 10.1016/j.energy.2009.05.010
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    References listed on IDEAS

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    1. Lampert, Krzysztof & Ziebik, Andrzej, 2007. "Comparative analysis of energy requirements of CO2 removal from metallurgical fuel gases," Energy, Elsevier, vol. 32(4), pages 521-527.
    2. Ziebik, Andrzej & Lampert, Krzysztof & Szega, Marcin, 2008. "Energy analysis of a blast-furnace system operating with the Corex process and CO2 removal," Energy, Elsevier, vol. 33(2), pages 199-205.
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    Cited by:

    1. Zhang, Wei & Zhang, Juhua & Xue, Zhengliang, 2017. "Exergy analyses of the oxygen blast furnace with top gas recycling process," Energy, Elsevier, vol. 121(C), pages 135-146.
    2. Suopajärvi, Hannu & Pongrácz, Eva & Fabritius, Timo, 2013. "The potential of using biomass-based reducing agents in the blast furnace: A review of thermochemical conversion technologies and assessments related to sustainability," Renewable and Sustainable Energy Reviews, Elsevier, vol. 25(C), pages 511-528.
    3. Li, Sheng & Jin, Hongguang & Gao, Lin, 2013. "Cogeneration of substitute natural gas and power from coal by moderate recycle of the chemical unconverted gas," Energy, Elsevier, vol. 55(C), pages 658-667.
    4. Anatoliy Golovchenko & Roman Dychkovskyi & Yuliya Pazynich & Cáceres Cabana Edgar & Natalia Howaniec & Bartłomiej Jura & Adam Smolinski, 2020. "Some Aspects of the Control for the Radial Distribution of Burden Material and Gas Flow in the Blast Furnace," Energies, MDPI, vol. 13(4), pages 1-11, February.

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