Rates and mechanisms of mineral carbonation in peridotite: natural processes and recipes for enhanced, in situ CO2 capture and storage
Kelemen, Peter B., Matter, Juerg, Streit, Elisabeth E., Rudge, John F., Curry, William B. and Blusztajn, Jerzy (2011) Rates and mechanisms of mineral carbonation in peridotite: natural processes and recipes for enhanced, in situ CO2 capture and storage Annual Review of Earth and Planetary Sciences, 39, (1), pp. 545-576. (doi:10.1146/annurev-earth-092010-152509).
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Near-surface reaction of CO2-bearing fluids with silicate minerals in peridotite and basalt forms solid carbonate minerals. Such processes form abundant veins and travertine deposits, particularly in association with tectonically exposed mantle peridotite. This is important in the global carbon cycle, in weathering, and in understanding physical-chemical interaction during retrograde metamorphism. Enhancing the rate of such reactions is a proposed method for geologic CO2 storage, and perhaps for direct capture of CO2 from near-surface fluids. We review, synthesize, and extend inferences from a variety of sources. We include data from studies on natural peridotite carbonation processes, carbonation kinetics, feedback between permeability and volume change via reaction-driven cracking, and proposed methods for enhancing the rate of natural mineral carbonation via in situ processes (“at the outcrop”) rather than ex situ processes (“at the smokestack”).
|Digital Object Identifier (DOI):||doi:10.1146/annurev-earth-092010-152509|
|Subjects:||G Geography. Anthropology. Recreation > GE Environmental Sciences
Q Science > QE Geology
|Date Deposited:||05 Mar 2013 10:01|
|Last Modified:||21 Feb 2017 14:46|
|Further Information:||Google Scholar|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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