Project description
A closer look at trapping dissolved CO2
Solubility trapping (ST) refers to the dissolution of CO2 in formation fluid. It’s a method that facilitates the storing of atmospheric CO2, which contributes to two-thirds of the Earth’s global warming through the greenhouse effect. While ST has been studied extensively, findings cannot account for the pore-scale heterogeneity of the flow, while most experiments cannot provide a full measurement of the system’s evolution. The EU-funded ExpeCO2SolTrap project will extend experiments to allow for pore-scale measurement of fluid velocities in 3D granular porous media. ExpeCO2SolTrap will also study the impact of Darcy scale (e.g. permeability/porosity) heterogeneity of the medium experimentally in granular porous media as well as in 3D-printed porous media of controlled heterogeneity.
Objective
Atmospheric CO2 contributes to 2/3 of the Earth’s global warming by greenhouse effect. Storing CO2 in deep geological formations is the main mitigation measure currently available. ExpeCO2SolTrap addresses solubility trapping (ST), a trapping mechanism of CO2 in dissolved form within the resident brine of the subsurface porous medium, which allows storing CO2 perennially by gravity. ST has been studied extensively in the last 10 years. But numerical studies cannot account for the pore scale heterogeneity of the flow, while most experiments cannot provide a full measurement of the system’ evolution (in particular its dissolution flux). Recent ground-breaking experiments by the host group and secondmend group of ExpeCO2SolTrap have shown that the growth of the instability is orders of magnitude faster than that predicted by a Darcy scale numerical simulation of the experimental process, due to coupling beween the gravitatitional instability and the heterogeneity of pore scale flow. This effect has been hitherto ignored in the literature. Furthermore, the impact of Darcy scale heterogeneity has hardly been studied, in particular not experimentally. ExpeCO2SolTrap proposes to (i) extend the experiments developed in the host group and secondment group to allow for pore scale measurement of fluid velocities three-dimensional (3D) granular porous media, in order to fully understand the aforementioned coupling, and (ii) to study the impact of Darcy scale (e.g. permeability/porosity) heterogeneity of the medium experimentally in granular porous media as well as in 3D-printed porous media of controlled heterogeneity. Two experiments, both relying on refractive index matching of the flowing liquid to the solid phase, but using respectively analogue fluids and dissolved CO2, will be used in parallel. Pore scale concentration fields will be measured by laser-induced fluorescence and scanning by laser sheets, while fluid velocities will be measured by stereo-PIV.
Fields of science (EuroSciVoc)
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CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
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Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.2 - Marie Skłodowska-Curie Actions (MSCA)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships
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Call for proposal
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(opens in new window) HORIZON-MSCA-2021-PF-01
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35042 Rennes
France
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