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Industrial olivine has been carbonated at 175°C, 100bars in a mixture of supercritical CO2 and an aqueous solution, for 30min to 12 h in a rocking batch autoclave. Simple settling of the solids recovered after the reaction led to a “fines” fraction and a coarser (residue) fraction. The carbonation extent of olivine was limited to 30% mainly because of the size of the olivine particles used, centered...
To overcome the limitations of mineral carbonation that thus far have prevented it from becoming an acceptable route to sustainable CO2 sequestration, a novel reactor technology that makes use of a Gravity Pressure Vessel is developed. The ‘CO2 Energy Reactor’ applies the principles of process integration and process intensification to achieve the technological leap needed to make mineral carbonation...
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