## Abstract

The statistical associating fluid theory equation of state (EoS) is employed in a time efficient way for the correlation and prediction of vapor-liquid equilibrium of the CO_{2} + H_{2}O binary system for the temperature (10-100 C) and pressure (1-600 bar) ranges suitable for simulation of CO_{2} geologic sequestration. The effective number of segments and energy parameter are correlated with the reduced temperature. Simple mixing rules are applied to obtain binary interaction parameters. Assigning a fixed H_{2}O composition in the mixing rule makes the phase equilibrium calculations relatively fast compared to other EoS's. The results obtained by the model used were found to be in satisfactory agreement with the literature data.

Original language | English (US) |
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Pages (from-to) | 241-254 |

Number of pages | 14 |

Journal | Journal of Solution Chemistry |

Volume | 43 |

Issue number | 2 |

DOIs | |

State | Published - Feb 1 2014 |

## Keywords

- CO + HO
- Efficient computation
- Geologic sequestration
- Phase equilibrium
- SAFT

## ASJC Scopus subject areas

- Biophysics
- Biochemistry
- Molecular Biology
- Physical and Theoretical Chemistry

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