2020
DOI: 10.1016/j.fluid.2020.112487
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High-pressure phase equilibria of carbon dioxide + 2-octanol binary system

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Cited by 8 publications
(15 citation statements)
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“…The predictions by both PR EoS and GEOS are quite accurate for the carbon dioxide + 1,2-DME binary system, for which only one set of experimental critical data is available [ 22 ], with a slight superiority by GEOS in the critical pressure maximum area ( Figure 5 ), but with a pronounced underestimation in the LV critical region towards the critical point of carbon dioxide. The available experimental critical data [ 50 , 53 ] for the carbon dioxide + 1,4-dioxane binary system are in good concordance, with a slight discrepancy in the maximum critical pressure area. GEOS performs better than PR EoS for the carbon dioxide + 1,4-dioxane binary system, though the same trend as for the other two systems can be noticed—an underestimation of the critical points in the first part of the LV critical curve starting from the critical point of CO 2 , followed by a faster reach of the critical pressure maximum than the experimental data.…”
Section: Resultsmentioning
confidence: 69%
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“…The predictions by both PR EoS and GEOS are quite accurate for the carbon dioxide + 1,2-DME binary system, for which only one set of experimental critical data is available [ 22 ], with a slight superiority by GEOS in the critical pressure maximum area ( Figure 5 ), but with a pronounced underestimation in the LV critical region towards the critical point of carbon dioxide. The available experimental critical data [ 50 , 53 ] for the carbon dioxide + 1,4-dioxane binary system are in good concordance, with a slight discrepancy in the maximum critical pressure area. GEOS performs better than PR EoS for the carbon dioxide + 1,4-dioxane binary system, though the same trend as for the other two systems can be noticed—an underestimation of the critical points in the first part of the LV critical curve starting from the critical point of CO 2 , followed by a faster reach of the critical pressure maximum than the experimental data.…”
Section: Resultsmentioning
confidence: 69%
“…As in type I phase behavior, type II phase behavior is characterized by a continuous liquid–vapor (LV) critical curve extending between the critical points of the pure components, but also by a liquid–liquid (LL) critical curve intersecting the three-phase liquid–liquid–vapor equilibrium line (LLV) in an upper critical endpoint (UCEP) [ 43 , 44 ]. Furthermore, in a previous paper [ 47 ] using the unique sets ( k 12 , l 12 ) of binary interaction parameters (BIPs) calculated for carbon dioxide + 2-butanol system with the Soave–Redlich–Kwong (SRK) [ 48 ] and Peng–Robinson (PR) [ 31 ] equations of state, we successfully predicted the phase behavior of the carbon dioxide + 2-propanol system. The organic compound, 2-propanol (C 3 H 8 O) belongs to the same homologous class of secondary alcohols.…”
Section: Resultsmentioning
confidence: 94%
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“…In this context we recently focused on the phase behavior research of physical solvents for carbon dioxide capture. Phase equilibria (PE) at high-pressures (HP) of carbon dioxide with different classes of organic substances, such as alkanes [15], cycloalkanes [16][17][18], ethers [19,20], alcohols [21][22][23][24], esters, ketones, were investigated to illustrate the functional group effect on the solvent ability to dissolve CO 2 .…”
Section: Introductionmentioning
confidence: 99%