A lunch lecture was given at Differ (www.differ.nl) about another method of sequestering CO2. Olivine is one of the minerals that can be used for the application. It details three routes for CO2 sequestration. A focus is given on the development of a process intensification. This would increase the geological reaction rate to process engineering time scale. The proposed process has got a parallel in the "VerTech process" as established in the 1990's in Apeldoorn (the Netherlands). The lecture was from global scale (focussing on amounts of CO2 involved) down to atomic scale.

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Olivine:
Mg2SiO4 + 2CO2 + 2H2O => 2MgCO3 + Si(OH)4
Mg2SiO4 + 4CO2 + 4H2O => 2Mg2+ + 4HCO3- + Si(OH)4
[!H = -239.2 kJ/mol]$
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Year Name Description University
1997 Jonckbloedtt The dissolution of olivine in acid Utrecht
1997 Lieftink The preparation of and characterization of silica from acid treatment of olivine Utrecht
2010 Haug Dissolution and carbonation of mechanically activated olivine Trondheim
2007 Olsen FORSTERITE DISSOLUTION KINETICS:APPLICATIONS AND IMPLICATIONS FOR CHEMICAL Virginia
WEATHERING
2007 Huigen Carbon Dioxide Sequestration by Mineral Carbonation Wageningen
2009 Krevor Mineral carbon dioxide sequestration: Enhancing process kinetics and a resource base Columbia
assessment for minerals suitable for use in enhanced carbonation processes
2012 Fagerlund Carbonation of Mg(OH)2 in a pressurised fluidised bed for CO2 sequestration Turku
2011 Kwon MINERALIZATION FOR CO2 SEQUESTRATION USING OLIVINE SORBENT IN THE Georgia
PRESENCE OF WATER VAPOR
2008 Jarvis Reaction mechanisms for enhancing carbon dioxide mineral sequestration Arizona
2010 Stasiulaitiene Binding potential of concentrated carbon dioxide using Lithuanian rocks Kaunas
2009 Costa Accelerated carbonation of minerals and industrial residues for carbon dioxide storage
2005 Park CARBON DIOXIDE SEQUESTRATION: CHEMICAL AND PHYSICAL ACTIVATION OF Ohio
AQUEOUS CARBONATION OF Mg-BEARING MINERALS AND pH SWING PROCESS
2008 Teir FIXATION OF CARBON DIOXIDE BY PRODUCING CARBONATES FROM MINERALS AND Espoo
STEELMAKING SLAGS
2007 Hänchen CO2 storage by aqueous mineral carbonation; olivine dissolution and precipitation of MG- Zürich
carbonates

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