Pore-scale imaging of hydrogen displacement and trapping in porous media

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Abstract / Description of output

Hydrogen can act as an energy store to balance supply and demand in the renewable energy sector. Hydrogen storage in subsurface porous media could deliver high storage capacities but the volume of recoverable hydrogen is unknown. We imaged the displacement and capillary trapping of hydrogen by brine in a Clashach sandstone core at 2–7 MPa pore fluid pressure using X-ray computed microtomography. Hydrogen saturation obtained during drainage at capillary numbers of
Original languageEnglish
JournalInternational journal of hydrogen energy
Early online date10 Nov 2022
DOIs
Publication statusE-pub ahead of print - 10 Nov 2022

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