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In recent years, due to the increases of global temperature, Carbon Capture, Utilization, and Storage (CCUS) projects become research hotspots in articles. During the CCUS process, the dissolution of CO2 in brine, which leads to the dissolution of some salt particles, has a crucial impact on the injection of CO2. In this study, a lattice Boltzmann (LB) model was built to consider the effect of both CO2 dissolution in water and salt dissolution mechanisms to investigate the CO2 storage process. In the model, the interpolated LB boundary conditions were adopted to describe the dissolution process of CO2, and the volume of pixel (VOP) method was used to update the structure of porous media. The impacts of factors such as injected pressure and heterogeneity of pores on the CO2 sequestration process were comprehensively explored.

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Numerical Simulation for the Reactive Multiphase Flow in Porous Media During the Carbon Capture and Storage Process

  • 会议论文

  • 发表日期：

    2025年

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  • Wenxin Yang,
  • Hai Sun,
  • Lei Zhang,
  • Dongyan Fan,
  • Shuaishi Fu,
  • Jun Yao

摘要

In recent years, due to the increases of global temperature, Carbon Capture, Utilization, and Storage (CCUS) projects become research hotspots in articles. During the CCUS process, the dissolution of CO2 in brine, which leads to the dissolution of some salt particles, has a crucial impact on the injection of CO2. In this study, a lattice Boltzmann (LB) model was built to consider the effect of both CO2 dissolution in water and salt dissolution mechanisms to investigate the CO2 storage process. In the model, the interpolated LB boundary conditions were adopted to describe the dissolution process of CO2, and the volume of pixel (VOP) method was used to update the structure of porous media. The impacts of factors such as injected pressure and heterogeneity of pores on the CO2 sequestration process were comprehensively explored.