Method for enhanced storage of carbon dioxide in geological formations
US12286866B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Aug 12, 2022 |
| Grant date | Apr 29, 2025 |
| Priority date | — |
| Expiry date | Mar 9, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G5/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Described is a method for enhanced carbon dioxide (CO2) sequestration in geological formations. The method includes dissolving CO2 in a low salinity fluid to form a CO2-brine solution. The low salinity fluid includes sodium (Na+) ions and sulfate (SO42−) ions. The CO2-brine solution is injected into a geological formation, and the CO2 reacts with the geological formation to produce solid carbonate minerals for CO2 sequestration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.