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Determination of diffusion coefficients of carbon dioxide in water between 268 and 473 K in a high-pressure capillary optical cell with in situ Raman spectroscopic measurements
Lu, Wanjun1,2; Guo, Huirong3; Chou, I. M.4,5; Burruss, R. C.4; Li, Lanlan3
2013-08-15
Source PublicationGEOCHIMICA ET COSMOCHIMICA ACTA
Volume115Pages:183-204
AbstractAccurate values of diffusion coefficients for carbon dioxide in water and brine at reservoir conditions are essential to our understanding of transport behavior of carbon dioxide in subsurface pore space. However, the experimental data are limited to conditions at low temperatures and pressures. In this study, diffusive transfer of carbon dioxide in water at pressures up to 45 MPa and temperatures from 268 to 473 K was observed within an optical capillary cell via time-dependent Raman spectroscopy. Diffusion coefficients were estimated by the least-squares method for the measured variations in carbon dioxide concentration in the cell at various sample positions and time. At the constant pressure of 20 MPa, the measured diffusion coefficients of carbon dioxide in water increase with increasing temperature from 268 to 473 K. The relationship between diffusion coefficient of carbon dioxide in water [D(CO2) in m(2)/s] and temperature (T in K) was derived with Speedy-Angell power-law approach as:
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.gca.2013.04.010
Indexed BySCI
Language英语
WOS KeywordFLUID INCLUSIONS ; ELECTROLYTIC SOLUTIONS ; QUANTITATIVE-ANALYSIS ; MASS-TRANSFER ; LIQUID WATER ; METHANE ; TEMPERATURE ; CO2 ; CALIBRATION ; TRANSPORT
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000319507900011
Citation statistics
Cited Times:58[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.idsse.ac.cn/handle/183446/647
Collection深海科学研究部_深海极端环境模拟研究实验室
Affiliation1.China Univ Geosci, Minist Educ, Key Lab Tecton & Petr Resources, Wuhan 430074, Peoples R China
2.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Peoples R China
3.China Univ Geosci, Sch Environm Studies, Wuhan 430074, Peoples R China
4.US Geol Survey, Natl Ctr, Reston, VA 20192 USA
5.Chinese Acad Sci, Lab Expt Study Deep Sea Extreme Condit, Sanya Inst Deep Sea Sci & Engn, Sanya 572000, Peoples R China
Recommended Citation
GB/T 7714
Lu, Wanjun,Guo, Huirong,Chou, I. M.,et al. Determination of diffusion coefficients of carbon dioxide in water between 268 and 473 K in a high-pressure capillary optical cell with in situ Raman spectroscopic measurements[J]. GEOCHIMICA ET COSMOCHIMICA ACTA,2013,115:183-204.
APA Lu, Wanjun,Guo, Huirong,Chou, I. M.,Burruss, R. C.,&Li, Lanlan.(2013).Determination of diffusion coefficients of carbon dioxide in water between 268 and 473 K in a high-pressure capillary optical cell with in situ Raman spectroscopic measurements.GEOCHIMICA ET COSMOCHIMICA ACTA,115,183-204.
MLA Lu, Wanjun,et al."Determination of diffusion coefficients of carbon dioxide in water between 268 and 473 K in a high-pressure capillary optical cell with in situ Raman spectroscopic measurements".GEOCHIMICA ET COSMOCHIMICA ACTA 115(2013):183-204.
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