Development of a novel experimental apparatus for hydrate equilibrium measurements

Panagiotis Kastanidis, George E. Romanos, Vasileios K. Michalis, Ioannis Economou, Athanassios K. Stubos, Ioannis N. Tsimpanogiannis

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A novel experimental apparatus was designed and constructed for measuring the three-phase equilibrium conditions of pure gas and gas mixture hydrates. The experimental apparatus can operate at pressures up to 20 MPa. The different parts of the experimental set-up are discussed and analyzed. Calibration issues are addressed and validation experimental measurements are reported at pressure conditions below 10 MPa for the case of pure gas hydrates. In addition to measuring the three-phase equilibrium pressure and temperature conditions with the current experimental apparatus, liquid phase analysis measurements are reported. In particular, the solubility of the gas in the aqueous phase is measured under three-phase equilibrium conditions. Gases of interest to the current study include CH4, and CO2. Both gases are of significant importance in industrial gas-storage and transportation applications, as well as gas-mixture separation applications.

Original languageEnglish
Pages (from-to)152-161
Number of pages10
JournalFluid Phase Equilibria
Volume424
DOIs
Publication statusPublished - 7 Aug 2015

Fingerprint

Hydrates
hydrates
Gases
Phase equilibria
gases
Gas mixtures
Gas hydrates
gas mixtures
Solubility
Calibration
liquid phases
Liquids
solubility
Temperature

Keywords

  • CH hydrates
  • CO hydrates
  • Experimental measurements
  • Solubility measurements
  • Three-phase equilibria

ASJC Scopus subject areas

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

Cite this

Kastanidis, P., Romanos, G. E., Michalis, V. K., Economou, I., Stubos, A. K., & Tsimpanogiannis, I. N. (2015). Development of a novel experimental apparatus for hydrate equilibrium measurements. Fluid Phase Equilibria, 424, 152-161. https://doi.org/10.1016/j.fluid.2015.12.036

Development of a novel experimental apparatus for hydrate equilibrium measurements. / Kastanidis, Panagiotis; Romanos, George E.; Michalis, Vasileios K.; Economou, Ioannis; Stubos, Athanassios K.; Tsimpanogiannis, Ioannis N.

In: Fluid Phase Equilibria, Vol. 424, 07.08.2015, p. 152-161.

Research output: Contribution to journalArticle

Kastanidis, P, Romanos, GE, Michalis, VK, Economou, I, Stubos, AK & Tsimpanogiannis, IN 2015, 'Development of a novel experimental apparatus for hydrate equilibrium measurements', Fluid Phase Equilibria, vol. 424, pp. 152-161. https://doi.org/10.1016/j.fluid.2015.12.036
Kastanidis, Panagiotis ; Romanos, George E. ; Michalis, Vasileios K. ; Economou, Ioannis ; Stubos, Athanassios K. ; Tsimpanogiannis, Ioannis N. / Development of a novel experimental apparatus for hydrate equilibrium measurements. In: Fluid Phase Equilibria. 2015 ; Vol. 424. pp. 152-161.
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