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US 12,679,656 B1Granted
Method of storing hydrogen in an underground geological formation
AssigneeKing Fahd University of Petroleum and Minerals
InventorsAneeq Nasir Janjua, Shirish Patil, Mohamed Mahmoud, Muhammad Shahzad Kamal, Arshad Raza, Mobeen Murtaza
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Abstract
A method of storing hydrogen includes treating an underground geological formation containing subterranean rocks and absorbing the hydrogen gas into the treated underground geological formation.
Claims19
A method of storing hydrogen in an underground geological formation, comprising:
- injecting a liquid activated carbon into the underground geological formation,
- wherein the underground geological formation is at least one subterranean rock selected from the group consisting of sandstone, limestone and eagle ford shale;
- absorbing the liquid activated carbon in the underground geological formation to form a treated underground geological formation;
- and
- injecting a gaseous mixture comprising mainly hydrogen into the treated underground geological formation, thereby absorbing the hydrogen gas into the treated underground geological formation,
- wherein the liquid activated carbon and the gaseous mixture is injected through different boreholes into the same underground geological formation.
3 more elements
Dependencies are inferred from the claim text.