Simulating geochemical reactive transport in physically and chemically heterogeneous aquifers: implications for CO2 risk assessment and uncertainty
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Simulating hydro-geochemical processes is crucial to understand a wide range of earth processes including carbon capture utilization and storage (CCUS), and risk assessment. However, simulating heterogeneous fully-coupled non-linear reactive transport at scales applicable to CCUS scenarios is computationally expensive. A streamline approach that simplifies a three-dimensional transport problem to a one dimensional transport problem in residence time is used to model non-linear kinetic geochemical reactions and transport over large domains. The efficiency achieved by the streamline approach ...