CO2 fixation using magnesium silicate minerals. Part 3: Integration with iron-and steelmaking

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

*Corresponding author for this work

Research output: Chapter in Book/Conference proceedingConference contributionScientificpeer-review

3 Citations (Scopus)

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 Abo Akademi. Aspen Plus ® software was used to model the process and a pinch and exergy analysis were performed to acquire information on process layout for optimal heat recovery and integration. The simulations allow for concluding that the fixation of 1kg of CO2 requires 3.04MJ and 3.1kg of serpentinite mineral rock. Additionally, the process gives considerable amounts of goethite 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.

Original languageEnglish
Title of host publicationPower Plants and Industrial Processes
PublisherÅbo Akademi University
Pages459-468
Number of pages10
ISBN (Print)9781456303181
Publication statusPublished - 2010
MoE publication typeA4 Article in a conference publication
Event23rd International Conference on Efficiency, Cost, Optimization, Simulation, and Environmental Impact of Energy Systems, ECOS 2010 - Lausanne, Switzerland
Duration: 14 Jun 201017 Jun 2010

Publication series

NameProceedings of the 23rd International Conference on Efficiency, Cost, Optimization, Simulation, and Environmental Impact of Energy Systems, ECOS 2010
Volume4

Conference

Conference23rd International Conference on Efficiency, Cost, Optimization, Simulation, and Environmental Impact of Energy Systems, ECOS 2010
Country/TerritorySwitzerland
CityLausanne
Period14/06/1017/06/10

Keywords

  • Exergy analysis
  • Mineral carbonation
  • Pinch analysis
  • Steelmaking

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