Evaluation of statistical associating fluid theory (SAFT) and perturbed chain-SAFT equations of state for the calculation of thermodynamic derivative properties of fluids related to carbon capture and sequestration

Nikolaos I. Diamantonis, Ioannis Economou

Research output: Contribution to journalArticle

60 Citations (Scopus)

Abstract

Carbon capture and sequestration (CCS) technology is going to play an important role in the countermeasures for climate change. The design of the relevant processes requires accurate knowledge of primary and derivative properties of various pure components and mixtures over a wide range of temperatures and pressures. This paper focuses on the derivative properties of pure components related to CCS. An equation of state (EoS) with strong physical basis is suitable for such calculations. SAFT and PC-SAFT EoS are used to predict these properties, and their performance is evaluated against literature experimental data. The pressures and temperatures for the calculations are selected so as to cover an adequate range for the CCS process. EoS predictions are in good agreement with experimental data, with the exception of the critical region, where higher deviations are observed.

Original languageEnglish
Pages (from-to)3334-3343
Number of pages10
JournalEnergy and Fuels
Volume25
Issue number7
DOIs
Publication statusPublished - 21 Jul 2011
Externally publishedYes

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Carbon capture
Equations of state
Thermodynamics
Derivatives
Fluids
Climate change
Temperature

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Energy Engineering and Power Technology
  • Fuel Technology

Cite this

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abstract = "Carbon capture and sequestration (CCS) technology is going to play an important role in the countermeasures for climate change. The design of the relevant processes requires accurate knowledge of primary and derivative properties of various pure components and mixtures over a wide range of temperatures and pressures. This paper focuses on the derivative properties of pure components related to CCS. An equation of state (EoS) with strong physical basis is suitable for such calculations. SAFT and PC-SAFT EoS are used to predict these properties, and their performance is evaluated against literature experimental data. The pressures and temperatures for the calculations are selected so as to cover an adequate range for the CCS process. EoS predictions are in good agreement with experimental data, with the exception of the critical region, where higher deviations are observed.",
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