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      A brief history of CarbFix: Challenges and victories of the project’s pilot phase

      , , ,
      Energy Procedia
      Elsevier BV

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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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            Mechanism, rates, and consequences of basaltic glass dissolution: II. An experimental study of the dissolution rates of basaltic glass as a function of pH and temperature

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              The mechanism, rates and consequences of basaltic glass dissolution: I. An experimental study of the dissolution rates of basaltic glass as a function of aqueous Al, Si and oxalic acid concentration at 25°C and pH = 3 and 11

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                Author and article information

                Journal
                Energy Procedia
                Energy Procedia
                Elsevier BV
                18766102
                July 2018
                July 2018
                : 146
                : 103-114
                Article
                10.1016/j.egypro.2018.07.014
                fa31f71e-9606-4032-b6bc-3b5fcd62b438
                © 2018

                https://www.elsevier.com/tdm/userlicense/1.0/

                http://creativecommons.org/licenses/by-nc-nd/4.0/

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