Dissolution of dehydroxylated lizardite at flue gas conditions: III. Near-equilibrium kinetics

Dissolution of dehydroxylated lizardite at flue gas conditions: III. Near-equilibrium kinetics

•The kinetic model is updated for the dissolution of dehydroxylated lizardite.•Experiments are performed in near-equilibrium solution compositions.•The model describes the non-steady state dissolution behavior accurately. The near-equilibrium dissolution kinetics of partially dehydroxylated lizardit...

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Veröffentlicht in:Chemical engineering journal (Lausanne, Switzerland : 1996) Switzerland : 1996), 2016-08, Vol.298, p.44-54
Hauptverfasser: Hariharan, Subrahmaniam, Repmann-Werner, Mischa, Mazzotti, Marco
Format: Artikel
Sprache:eng
Schlagworte:
Chemical engineering
Dehydroxylation
Dissolution
Equilibrium
Evolution
Kinetic modeling
Lizardite
Magnesium carbonate
Mathematical models
Mineralization
Silicates
Silicon dioxide
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Zusammenfassung:•The kinetic model is updated for the dissolution of dehydroxylated lizardite.•Experiments are performed in near-equilibrium solution compositions.•The model describes the non-steady state dissolution behavior accurately. The near-equilibrium dissolution kinetics of partially dehydroxylated lizardite was investigated at conditions relevant for ex situ CO2 mineralization, namely 30°C⩽T⩽90°C and pCO2
ISSN:1385-8947
1873-3212
DOI:10.1016/j.cej.2016.03.144