Injecting supercritical CO2 (scCO2) into basalt formations for long-term storage is a promising strategy for mitigating CO2 emissions. Mineral carbonation can result in permanent entrapment of CO2; however, carbonation kinetics in thin H2O films in humidified scCO2 is not well understood. We investigated forsterite (Mg2SiO4) carbonation to magnesite (MgCO3) via amorphous magnesium carbonate (AMC; MgCO3·xH2O, 0.5
Published: October 28, 2021
Citation
Kerisit S.N., S.T. Mergelsberg, C.J. Thompson, S.K. White, and J.S. Loring. 2021.Thin Water Films Enable Low-Temperature Magnesite Growth Under Conditions Relevant to Geologic Carbon Sequestration.Environmental Science & Technology 55, no. 18:12539-12548.PNNL-SA-160459.doi:10.1021/acs.est.1c03370