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Investigation of vapor-liquid equilibria for supercritical carbon dioxide and hydrocarbon mixtures by perturbed-chain statistical associating fluid theory
Fu, Dong; Liang, Lili; Li, Xiao-Sen; Yan, Shumei; Liao, Tao
2006-06-07
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume45Issue:12Pages:4364-4370
AbstractThe perturbed-chain statistical associating fluid theory (PC-SAFT) is used to investigate the vapor-liquid equilibria for binary supercritical carbon dioxide (CO(2)) and hydrocarbon mixtures. The molecular parameters m, sigma, and epsilon/k for pure CO(2) and hydrocarbons with carbon number n <= 20 are taken from the work of Gross and Sadowski. m, sigma, and epsilon/k for n-alkanes with n > 20 are obtained by extrapolation from the linear relationships between molecular parameters and molecular weight M(w). The binary interaction parameters (k(ij)) are regressed by using the experimental data. Investigation shows PC-SAFT is able to accurately describe the vapor-liquid-phase equilibria for both CO(2)-light hydrocarbon and CO(2)-heavy n-alkane (up to C(44)) binary mixtures. When the carbon number n in each hydrocarbon ranges from 1 to 20, the regressed k(ij) increases monotonically with the increase of n. However, when n is greater than 20, there is a unique binary interaction parameter (k(ij) = 0.16) that can well describe the vapor-liquid-phase equilibria for CO(2)-eicosane, CO(2)-octacosane, CO(2)-hexatriacontane, and CO(2)-tetratetracontane binary mixtures.
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1021/ie0514511
WOS Subject ExtendedEngineering
WOS KeywordEQUATION-OF-STATE ; HEAVY N-ALKANES ; SAFT EQUATION ; PC-SAFT ; PHASE PROPERTIES ; BINARY-MIXTURES ; NORMAL-BUTANE ; SYSTEMS ; TEMPERATURES ; NITROGEN
Indexed BySCI
Language英语
WOS SubjectEngineering, Chemical
WOS IDWOS:000237934700040
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10253
Collection中国科学院广州能源研究所
Affiliation1.N China Elect Power Univ, Sch Environm Sci & Engn, Baoding 071003, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
Recommended Citation
GB/T 7714
Fu, Dong,Liang, Lili,Li, Xiao-Sen,et al. Investigation of vapor-liquid equilibria for supercritical carbon dioxide and hydrocarbon mixtures by perturbed-chain statistical associating fluid theory[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2006,45(12):4364-4370.
APA Fu, Dong,Liang, Lili,Li, Xiao-Sen,Yan, Shumei,&Liao, Tao.(2006).Investigation of vapor-liquid equilibria for supercritical carbon dioxide and hydrocarbon mixtures by perturbed-chain statistical associating fluid theory.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,45(12),4364-4370.
MLA Fu, Dong,et al."Investigation of vapor-liquid equilibria for supercritical carbon dioxide and hydrocarbon mixtures by perturbed-chain statistical associating fluid theory".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 45.12(2006):4364-4370.
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