CO2 fixation using magnesium silicate minerals Part 1: Process description and performance

Johan Fagerlund*, Experience Nduagu, Inês Romaoãc, Ron Zevenhoven

*Tämän työn vastaava kirjoittaja

Tutkimustuotos: Artikkeli kirjassa/raportissa/konferenssijulkaisussaKonferenssiartikkeliTieteellinenvertaisarvioitu

10 Sitaatiot (Scopus)

Abstrakti

This paper describes a staged carbonation process for magnesium silicate mineral carbonation. This carbon dioxide capture and storage (CCS) alternative involves the production of magnesium hydroxide, followed by its carbonation in a pressurised fluidised bed (PFB) reactor that is operated at temperatures and pressures so far up to 873 K, 4.5 MPa. The goal is to utilise the heat of the carbonation reaction to drive the Mg(OH)2 production step. The results show that Mg(OH)2 can be produced successfully and efficiently from different serpentinite minerals from locations worldwide (Finland, Lithuania, Australia and Portugal). From the extraction step, ammonium sulphate is recovered while iron oxides (from the mineral) are obtained as by-products. The carbonation step, while still being developed, resulted in >50 %-wt conversion in 15 minutes (773 K, 2 MPa) for > 300 urn serpentinite derived Mg(OH)2 particles.

AlkuperäiskieliEnglanti
OtsikkoPower Plants and Industrial Processes
KustantajaÅbo Akademi University
Sivut67-75
Sivumäärä9
ISBN (painettu)9781456303181
TilaJulkaistu - 2010
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisuussa
Tapahtuma23rd International Conference on Efficiency, Cost, Optimization, Simulation, and Environmental Impact of Energy Systems, ECOS 2010 - Lausanne, Switzerland
Kesto: 14 kesäkuuta 201017 kesäkuuta 2010

Julkaisusarja

NimiProceedings of the 23rd International Conference on Efficiency, Cost, Optimization, Simulation, and Environmental Impact of Energy Systems, ECOS 2010
Vuosikerta4

Konferenssi

Konferenssi23rd International Conference on Efficiency, Cost, Optimization, Simulation, and Environmental Impact of Energy Systems, ECOS 2010
Maa/AlueSwitzerland
KaupunkiLausanne
Ajanjakso14/06/1017/06/10

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