Imre, A. R., Ramboz, C., Deiters, Ulrich K. ORCID: 0000-0001-7669-5847 and Kraska, T. (2015). Anomalous fluid properties of carbon dioxide in the supercritical region: application to geological CO2 storage and related hazards. Environ. Earth Sci., 73 (8). S. 4373 - 4385. NEW YORK: SPRINGER. ISSN 1866-6299

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Abstract

For supercritical fluids there is a wedge-shaped region called Widom region, where several physico-chemical quantities (e.g. compressibility, heat capacities, density, thermal expansivity, speed of sound) show anomalous behaviour. In this paper, several Widom lines of supercritical CO2 have been computed with the Wagner-Span reference equation of state. The locations of the Widom lines are compared with the P-T range of the Snohvit, Sleipner, Nagaoka and Ketzin reservoirs, which are recently studied for their fitness for CO2 sequestration, and two natural CO2 storage analogues, Montmiral in France and Mihalyi-R,pcelak in Hungary. The potential consequences of leaking CO2 crossing any of the Widom lines are discussed.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Imre, A. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ramboz, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Deiters, Ulrich K.UNSPECIFIEDorcid.org/0000-0001-7669-5847UNSPECIFIED
Kraska, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-408563
DOI: 10.1007/s12665-014-3716-5
Journal or Publication Title: Environ. Earth Sci.
Volume: 73
Number: 8
Page Range: S. 4373 - 4385
Date: 2015
Publisher: SPRINGER
Place of Publication: NEW YORK
ISSN: 1866-6299
Language: English
Faculty: Faculty of Mathematics and Natural Sciences
Divisions: Faculty of Mathematics and Natural Sciences > Department of Chemistry > Institute of Physical Chemistry
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
INCREASED HYDROCARBON RECOVERY; WIDOM LINE; SEQUESTRATION; SIMULATIONS; PRESSURES; CROSSOVER; RESERVOIR; KETZIN; WATER; TEMPERATURESMultiple languages
Environmental Sciences; Geosciences, Multidisciplinary; Water ResourcesMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/40856

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