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
发表期刊GEOCHIMICA ET COSMOCHIMICA ACTA
卷号115页码:183-204
摘要Accurate 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:
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.gca.2013.04.010
收录类别SCI
语种英语
关键词[WOS]FLUID INCLUSIONS ; ELECTROLYTIC SOLUTIONS ; QUANTITATIVE-ANALYSIS ; MASS-TRANSFER ; LIQUID WATER ; METHANE ; TEMPERATURE ; CO2 ; CALIBRATION ; TRANSPORT
WOS类目Geochemistry & Geophysics
WOS记录号WOS:000319507900011
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被引频次:52[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.idsse.ac.cn/handle/183446/647
专题深海科学研究部_深海极端环境模拟研究实验室
作者单位1.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
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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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