CAS OpenIR  > 湿法冶金清洁生产技术国家工程实验室
Measurement and Correlation of Solubility Data for CO2 in NaHCO3 Aqueous Solution
Han, Xiaoying1,2; Yu, Zhihui1; Qu, Jingkui1; Qi, Tao1; Guo, Wei3; Zhang, Guoqing4; Qu, JK
2011-04-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN0021-9568
Volume56Issue:4Pages:1213-1219
AbstractTo investigate the influence of NaHCO3 on the CO2, absorption in aqueous solution, the solubility of CO2 in NaHCO3 aqueous solutions [(0, 0.05, 0.1, 0.5, and 1.0) mol.kg(-1)] was measured in the temperature range from (313 to 333) K with pressure range from (0.3 to 2.0) MPa by employing a new designed batch apparatus. The results showed that the solubility data for CO2 in NaHCO3 aqueous solutions agreed well with Henry's law, and the Henry constant appeared to be a function of temperature and the concentration of NaHCO3. Two thermodynamic models were proposed for correlating the experimental data, that is, the modified Setschenow and Peng-Robinson (PR)-Duan equations. It was proved that the models fitted well in with the experimental data, and the average relative deviations were (4.06 and 3.90) %, respectively. In addition, the Henry constant in pure water can be basically predicted at a certain temperature range. The influence of NaHCO3 on the solubility of CO2 is interpreted by "salting-out effect" which is usual for the salt-containing solutions.
KeywordCarbon-dioxide Molecular Thermodynamics Electrolyte-solutions Osmotic Coefficients Henry Constants Sodium-chloride Gas Solubility Improved Model High-pressure Pure Water
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/je1011168
Indexed BySCI
Language英语
WOS KeywordCARBON-DIOXIDE ; MOLECULAR THERMODYNAMICS ; ELECTROLYTE-SOLUTIONS ; OSMOTIC COEFFICIENTS ; HENRY CONSTANTS ; SODIUM-CHLORIDE ; GAS SOLUBILITY ; IMPROVED MODEL ; HIGH-PRESSURE ; PURE WATER
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000289403300069
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Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5056
Collection湿法冶金清洁生产技术国家工程实验室
Corresponding AuthorQu, JK
Affiliation1.Chinese Acad Sci, Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Beijing Univ Chem Technol, Coll Chem Engn, Beijing 100029, Peoples R China
4.Sichuan Anxian YinHe Construct & Chem Grp Co Ltd, Chengtu 0816, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Han, Xiaoying,Yu, Zhihui,Qu, Jingkui,et al. Measurement and Correlation of Solubility Data for CO2 in NaHCO3 Aqueous Solution[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2011,56(4):1213-1219.
APA Han, Xiaoying.,Yu, Zhihui.,Qu, Jingkui.,Qi, Tao.,Guo, Wei.,...&Qu, JK.(2011).Measurement and Correlation of Solubility Data for CO2 in NaHCO3 Aqueous Solution.JOURNAL OF CHEMICAL AND ENGINEERING DATA,56(4),1213-1219.
MLA Han, Xiaoying,et al."Measurement and Correlation of Solubility Data for CO2 in NaHCO3 Aqueous Solution".JOURNAL OF CHEMICAL AND ENGINEERING DATA 56.4(2011):1213-1219.
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