School of Biological and Chemical Sciences

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Xinxing Zhang

PhD student



Project title: Development of Computer Simulation Techniques to Investigate the Growth of Magnesite and Support Mineral Carbonation Technologies for CO2 Sequestration

Summary: Carbon dioxide sequestration via aqueous formation of magnesite (MgCO3) is a promising CO2 capture and reuse technology that is, however, limited by the slow rate of MgCO3 precipitation. Still, magnesite formed at Earth's near-surface conditions that are very different from the high-temperatures and CO2 pressures necessary to crystallize MgCO¬3 in the laboratory.
The aim of this PhD project is to solve this corundum by using a theory approach to follow the molecular events surrounding magnesite crystallization. The Outcomes will be a fundamental understanding of the reaction mechanism of magnesite formation, and the role of solution composition on crystallization kinetics. This will Impact CO2 mineralization by identifying the conditions that facilitate magnesite formation.




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