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CO2 fixation using magnesium silicate minerals. Part 2: Energy efficiency and integration with iron-and steelmaking

Author

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  • Romão, Inês
  • Nduagu, Experience
  • Fagerlund, Johan
  • Gando-Ferreira, Licínio M.
  • Zevenhoven, Ron

Abstract

Mineral carbonation presents itself as the most promising method to sequester CO2 in Finland. A staged process for CO2 mineralisation, using magnesium silicates, is being intensively developed at Åbo Akademi. A process energy analysis is made based on the most energy intensive steps, i.e. the heat treatment of the magnesium silicate rock and the carbonation reaction. Aspen Plus® software was used to model the process and pinch and exergy analyses were performed to acquire information on process layout for optimal heat recovery and integration. The simulations allow for concluding that the fixation of 1 kg of CO2 requires 3.04 MJ and 3.1 kg of serpentinite mineral rock. Additionally, the process gives considerable amounts of FeOOH and Ca(OH)2 as by-products making the integration of mineral carbonation with the steelmaking industry a very attractive opportunity to reduce CO2 emissions and raw materials inputs.

Suggested Citation

  • Romão, Inês & Nduagu, Experience & Fagerlund, Johan & Gando-Ferreira, Licínio M. & Zevenhoven, Ron, 2012. "CO2 fixation using magnesium silicate minerals. Part 2: Energy efficiency and integration with iron-and steelmaking," Energy, Elsevier, vol. 41(1), pages 203-211.
    • Handle: RePEc:eee:energy:v:41:y:2012:i:1:p:203-211
    DOI: 10.1016/j.energy.2011.08.026
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    References listed on IDEAS

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    1. Zevenhoven, Ron & Teir, Sebastian & Eloneva, Sanni, 2008. "Heat optimisation of a staged gas–solid mineral carbonation process for long-term CO2 storage," Energy, Elsevier, vol. 33(2), pages 362-370.
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    1. Nduagu, Experience & Romão, Inês & Fagerlund, Johan & Zevenhoven, Ron, 2013. "Performance assessment of producing Mg(OH)2 for CO2 mineral sequestration," Applied Energy, Elsevier, vol. 106(C), pages 116-126.
    2. Slotte, Martin & Romão, Inês & Zevenhoven, Ron, 2013. "Integration of a pilot-scale serpentinite carbonation process with an industrial lime kiln," Energy, Elsevier, vol. 62(C), pages 142-149.
    3. Yılmaz, Kadir & Kayfeci, Muhammet & Keçebaş, Ali, 2019. "Thermodynamic evaluation of a waste gas-fired steam power plant in an iron and steel facility using enhanced exergy analysis," Energy, Elsevier, vol. 169(C), pages 684-695.
    4. Wu, Junnian & Wang, Ruiqi & Pu, Guangying & Qi, Hang, 2016. "Integrated assessment of exergy, energy and carbon dioxide emissions in an iron and steel industrial network," Applied Energy, Elsevier, vol. 183(C), pages 430-444.
    5. Zevenhoven, Ron & Slotte, Martin & Åbacka, Jacob & Highfield, James, 2016. "A comparison of CO2 mineral sequestration processes involving a dry or wet carbonation step," Energy, Elsevier, vol. 117(P2), pages 604-611.
    6. Sangwon Park & Yeon-Sik Bong & Chi Wan Jeon, 2020. "Characteristics of Carbonate Formation from Concentrated Seawater Using CO 2 Chemical Absorption Methodology," IJERPH, MDPI, vol. 18(1), pages 1-14, December.
    7. Said, Arshe & Laukkanen, Timo & Järvinen, Mika, 2016. "Pilot-scale experimental work on carbon dioxide sequestration using steelmaking slag," Applied Energy, Elsevier, vol. 177(C), pages 602-611.
    8. Starr, Katherine & Ramirez, Andrea & Meerman, Hans & Villalba, Gara & Gabarrell, Xavier, 2015. "Explorative economic analysis of a novel biogas upgrading technology using carbon mineralization. A case study for Spain," Energy, Elsevier, vol. 79(C), pages 298-309.
    9. Lombardi, Lidia & Carnevale, Ennio, 2013. "Economic evaluations of an innovative biogas upgrading method with CO2 storage," Energy, Elsevier, vol. 62(C), pages 88-94.

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