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      Impact of in-situ gas liberation for enhanced oil recovery and CO 2 storage in liquid-rich shale reservoirs

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          A New Two-Constant Equation of State

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            Rapid carbon mineralization for permanent disposal of anthropogenic carbon dioxide emissions

            Atmospheric CO 2 can be sequestered by injecting it into basaltic rocks, providing a potentially valuable way to undo some of the damage done by fossil fuel burning. Matter et al. injected CO 2 into wells in Iceland that pass through basaltic lavas and hyaloclastites at depths between 400 and 800 m. Most of the injected CO 2 was mineralized in less than 2 years. Carbonate minerals are stable, so this approach should avoid the risk of carbon leakage. Science , this issue p. [Related article:] 1312 Basaltic rocks may be effective sinks for storing carbon dioxide removed from the atmosphere. Carbon capture and storage (CCS) provides a solution toward decarbonization of the global economy. The success of this solution depends on the ability to safely and permanently store CO 2 . This study demonstrates for the first time the permanent disposal of CO 2 as environmentally benign carbonate minerals in basaltic rocks. We find that over 95% of the CO 2 injected into the CarbFix site in Iceland was mineralized to carbonate minerals in less than 2 years. This result contrasts with the common view that the immobilization of CO 2 as carbonate minerals within geologic reservoirs takes several hundreds to thousands of years. Our results, therefore, demonstrate that the safe long-term storage of anthropogenic CO 2 emissions through mineralization can be far faster than previously postulated.
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              Critical review of the impact of tortuosity on diffusion

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                Author and article information

                Contributors
                (View ORCID Profile)
                Journal
                Energy Sources, Part A: Recovery, Utilization, and Environmental Effects
                Energy Sources, Part A: Recovery, Utilization, and Environmental Effects
                Informa UK Limited
                1556-7036
                1556-7230
                September 08 2020
                : 1-21
                Affiliations
                [1 ]Department of Earth Sciences, University College London, London, UK
                Article
                10.1080/15567036.2020.1815907
                d648d8b5-bc2f-4eaf-affe-bdb45182e018
                © 2020
                History

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