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An improved model calculating CO2 solubility in pure water and aqueous NaCl solutions from 273 to 533 K and from 0 to 2000 bar
Duan ZH; Sun R
2003-02-14
Source PublicationCHEMICAL GEOLOGY
Volume193Issue:3-4Pages:257-271
AbstractA thermodynamic model for the solubility of carbon dioxide (CO2) in pure water and in aqueous NaCl solutions for temperatures from 273 to 533 K, for pressures from 0 to 2000 bar, and for ionic strength from 0 to 4.3 m is presented. The model is based on a specific particle interaction theory for the liquid phase and a highly accurate equation of state for the vapor phase. With this specific interaction approach, this model is able to predict CO2 solubility in other systems, such as CO2-H2O-CaCl2 and CO2-seawater, without fitting experimental data from these systems. Comparison of the model predictions with experimental data indicates that the model is within or close to experimental uncertainty, which is about 7% in CO2 solubility. (C) 2003 Elsevier Science B.V. All rights reserved.
KeywordCO2 solubility CO2 thermodynamics specific interaction modeling aqueous CO2 solution solubility model equation of state
Language英语
ISSN0009-2541
Indexed BySCI
WOS IDWOS:000180816500007
WOS SubjectGeochemistry & Geophysics
WOS Research AreaGeochemistry & Geophysics
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:1192[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.cug.edu.cn/handle/2XU834YA/99679
Collection中国地质大学(武汉)
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China;
2.Univ Calif San Diego, Dept Chem, La Jolla, CA 92129 USA;
3.China Univ Geosci, Fac Earth Resources, Wuhan 430074, Peoples R China
Recommended Citation
GB/T 7714
Duan ZH,Sun R. An improved model calculating CO2 solubility in pure water and aqueous NaCl solutions from 273 to 533 K and from 0 to 2000 bar[J]. CHEMICAL GEOLOGY,2003,193(3-4):257-271.
APA Duan ZH,&Sun R.(2003).An improved model calculating CO2 solubility in pure water and aqueous NaCl solutions from 273 to 533 K and from 0 to 2000 bar.CHEMICAL GEOLOGY,193(3-4),257-271.
MLA Duan ZH,et al."An improved model calculating CO2 solubility in pure water and aqueous NaCl solutions from 273 to 533 K and from 0 to 2000 bar".CHEMICAL GEOLOGY 193.3-4(2003):257-271.
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