Solubility of carbon dioxide in eicosane, docosane, tetracosane, and octacosane at temperatures from 323 to 473 K and pressures up to 40 MPa

Yoshiyuki Sato, Yoshinori Tagashira, Daisuke Maruyama, Shigeki Takishima, Hirokatsu Masuoka

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

Solubilities of carbon dioxide in eicosane (C20H42), docosane (C22H46), tetracosane (C24H50), and octacosane (C28H58) were measured at temperatures from 323.2 to 473.2 K and pressures up to 40 MPa. The solubility increased with pressure and decreased with temperature. At a temperature of 323.2 K, bubble point pressures of carbon dioxide-eicosane and -odcosane systems showed a large enhancement around 0.78 CO2 mole fraction. At the higher temperatures, bubble point measurements were carried out up to the vicinity of the mixture critical points. Prediction of the solubility using the PSRK and the SRK equations of state with two excess Gibbs free energy mixing rules was examined. The mixing rule proposed by Zhong and Masuoka [C. Zhong, H. Masuoka, J. Chem. Eng. Jpn. 29 (1996) 315-322] provided prediction of the solubility with an average absolute deviation of 2.3% and can predict the solubility with satisfactory accuracy except near the mixture critical point.

Original languageEnglish
Pages (from-to)181-193
Number of pages13
JournalFluid Phase Equilibria
Volume147
Issue number1-2
DOIs
Publication statusPublished - 1998 Jun

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

Fingerprint Dive into the research topics of 'Solubility of carbon dioxide in eicosane, docosane, tetracosane, and octacosane at temperatures from 323 to 473 K and pressures up to 40 MPa'. Together they form a unique fingerprint.

Cite this