Analysis of ionic liquid PVT behavior with a Modified Cell Model

Hiroshi Machida; Ryosuke Taguchi; Yoshiyuki Sato; Richard L. Smith

doi:10.1016/j.fluid.2009.03.025

Analysis of ionic liquid PVT behavior with a Modified Cell Model

Hiroshi Machida, Ryosuke Taguchi, Yoshiyuki Sato, Richard L. Smith

研究成果: Article › 査読

18 被引用数 (Scopus)

抄録

High pressure pure component pressure-volume-temperature (PVT) properties of ionic liquids are summarized and analyzed with a Modified Cell Model (MCM) that uses characteristic parameters, T*, V* and P*. The model was found to provide good fits of 28 different ionic liquid PVT data consisted with 14 types cation and 10 types anion over a wide range of temperatures (278-473 K) and pressures (0.1-200 MPa). The characteristic parameters of the model could be correlated with simple functions of the Bondi van der Waals volume for the cation and anion of each ionic liquid. Generalized parameters for MCM with the van der Waals volume are proposed that allow calculation of ionic liquid densities at high pressures to within an average deviation of 1.9%.

本文言語	English
ページ（範囲）	127-132
ページ数	6
ジャーナル	Fluid Phase Equilibria
巻	281
号	2
DOI	https://doi.org/10.1016/j.fluid.2009.03.025
出版ステータス	Published - 2009 7 25

ASJC Scopus subject areas

化学工学（全般）
物理学および天文学（全般）
物理化学および理論化学

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10.1016/j.fluid.2009.03.025

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title = "Analysis of ionic liquid PVT behavior with a Modified Cell Model",

abstract = "High pressure pure component pressure-volume-temperature (PVT) properties of ionic liquids are summarized and analyzed with a Modified Cell Model (MCM) that uses characteristic parameters, T*, V* and P*. The model was found to provide good fits of 28 different ionic liquid PVT data consisted with 14 types cation and 10 types anion over a wide range of temperatures (278-473 K) and pressures (0.1-200 MPa). The characteristic parameters of the model could be correlated with simple functions of the Bondi van der Waals volume for the cation and anion of each ionic liquid. Generalized parameters for MCM with the van der Waals volume are proposed that allow calculation of ionic liquid densities at high pressures to within an average deviation of 1.9%.",

keywords = "Correlation, Equation of state, High pressure densities, Ionic liquids",

author = "Hiroshi Machida and Ryosuke Taguchi and Yoshiyuki Sato and Smith, {Richard L.}",

note = "Funding Information: The authors wish to acknowledge support of the Monbukagakusho, the Ministry of Education, Culture, Sports, Science and Technology and of the Global Education Center of Excellence (GCOE) grant of Tohoku University. ",

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T1 - Analysis of ionic liquid PVT behavior with a Modified Cell Model

AU - Machida, Hiroshi

AU - Taguchi, Ryosuke

AU - Sato, Yoshiyuki

AU - Smith, Richard L.

N1 - Funding Information: The authors wish to acknowledge support of the Monbukagakusho, the Ministry of Education, Culture, Sports, Science and Technology and of the Global Education Center of Excellence (GCOE) grant of Tohoku University.

PY - 2009/7/25

Y1 - 2009/7/25

N2 - High pressure pure component pressure-volume-temperature (PVT) properties of ionic liquids are summarized and analyzed with a Modified Cell Model (MCM) that uses characteristic parameters, T*, V* and P*. The model was found to provide good fits of 28 different ionic liquid PVT data consisted with 14 types cation and 10 types anion over a wide range of temperatures (278-473 K) and pressures (0.1-200 MPa). The characteristic parameters of the model could be correlated with simple functions of the Bondi van der Waals volume for the cation and anion of each ionic liquid. Generalized parameters for MCM with the van der Waals volume are proposed that allow calculation of ionic liquid densities at high pressures to within an average deviation of 1.9%.

AB - High pressure pure component pressure-volume-temperature (PVT) properties of ionic liquids are summarized and analyzed with a Modified Cell Model (MCM) that uses characteristic parameters, T*, V* and P*. The model was found to provide good fits of 28 different ionic liquid PVT data consisted with 14 types cation and 10 types anion over a wide range of temperatures (278-473 K) and pressures (0.1-200 MPa). The characteristic parameters of the model could be correlated with simple functions of the Bondi van der Waals volume for the cation and anion of each ionic liquid. Generalized parameters for MCM with the van der Waals volume are proposed that allow calculation of ionic liquid densities at high pressures to within an average deviation of 1.9%.

KW - Correlation

KW - Equation of state

KW - High pressure densities

KW - Ionic liquids

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Analysis of ionic liquid PVT behavior with a Modified Cell Model

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