The emerging role of 4D synchrotron X-ray micro-tomography for climate and fossil energy studies: five experiments showing the present capabilities at beamline 8.3.2 at the Advanced Light Source

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Continuous improvements at X-ray imaging beamlines at synchrotron light sources have made dynamic synchrotron X-ray micro-computed tomography (SXR-mCT) experiments more routinely available to users, with a rapid increase in demand given its tremendous potential in very diverse areas. In this work a survey of five different four-dimensional SXR-mCT experiments is presented, examining five different parameters linked to the evolution of the investigated system, and tackling problems in different areas in earth sciences. SXR-mCT is used to monitor the microstructural evolution of the investigated sample with the following variables: (i) high temperature, observing in situ oil shale pyrolysis; (ii) low temperature, replicating the generation of permafrost; (iii) high pressure, to study the invasion of supercritical CO2 in deep aquifers; (iv) uniaxial stress, to monitor the closure of a fracture filled with proppant, in shale; (v) reactive flow, to observe the evolution of the hydraulic properties in a porous rock subject to dissolution. For each of these examples, it is shown how dynamic SXR-mCT was able to provide new answers to questions related to climate and energy studies, highlighting the significant opportunities opened recently by the technique.
Publisher
INT UNION CRYSTALLOGRAPHY
Issue Date
2017-11
Language
English
Article Type
Article
Keywords

UNCONSOLIDATED SALINE PERMAFROST; COMPUTED MICROTOMOGRAPHY; POROUS-MEDIA; IN-SITU; CA-MONTMORILLONITE; WORMHOLE FORMATION; CARBON-DIOXIDE; OIL-RECOVERY; RECONSTRUCTION; DIFFRACTION

Citation

JOURNAL OF SYNCHROTRON RADIATION, v.24, pp.1237 - 1249

ISSN
1600-5775
DOI
10.1107/S1600577517012449
URI
http://hdl.handle.net/10203/227193
Appears in Collection
CE-Journal Papers(저널논문)
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