Rapid carbon mineralization for permanent disposal of anthropogenic carbon dioxide emissions.

Autor: Matter JM; Department of Ocean and Earth Science, University of Southampton, Southampton, UK. Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA., Stute M; Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA., Snæbjörnsdottir SÓ; Institute of Earth Sciences, University of Iceland, Iceland., Oelkers EH; Institute of Earth Sciences, University of Iceland, Iceland. CNRS/UMR 5563, Université Paul Sabatier, Toulouse, France. Department of Earth Science, University College London, UK., Gislason SR; Institute of Earth Sciences, University of Iceland, Iceland., Aradottir ES; Reykjavik Energy, Reykjavik, Iceland., Sigfusson B; Reykjavik Energy, Reykjavik, Iceland. Iceland GeoSurvey, Reykjavik, Iceland., Gunnarsson I; Reykjavik Energy, Reykjavik, Iceland., Sigurdardottir H; Reykjavik Energy, Reykjavik, Iceland., Gunnlaugsson E; Reykjavik Energy, Reykjavik, Iceland., Axelsson G; Department of Applied Geology, Curtin University, Perth, Western Australia., Alfredsson HA; Institute of Earth Sciences, University of Iceland, Iceland., Wolff-Boenisch D; Institute of Earth Sciences, University of Iceland, Iceland. Nano-Science Center, Department of Chemistry, University of Copenhagen, Copenhagen, Denmark., Mesfin K; Institute of Earth Sciences, University of Iceland, Iceland., Fernandez de la Reguera Taya D; Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA., Hall J; Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA., Dideriksen K; Nano-Science Center, Department of Chemistry, University of Copenhagen, Copenhagen, Denmark., Broecker WS; Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA.
Jazyk: angličtina
Zdroj: Science (New York, N.Y.) [Science] 2016 Jun 10; Vol. 352 (6291), pp. 1312-4.
DOI: 10.1126/science.aad8132
Abstrakt: 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 CO2 This study demonstrates for the first time the permanent disposal of CO2 as environmentally benign carbonate minerals in basaltic rocks. We find that over 95% of the CO2 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 CO2 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 CO2 emissions through mineralization can be far faster than previously postulated.
(Copyright © 2016, American Association for the Advancement of Science.)
Databáze: MEDLINE