Abstract
In this study, three-phase equilibrium conditions of liquid water-hydrate-vapour (LW-H-V) were experimentally determined for carbon dioxide hydrates with and without ethanol, a thermodynamic hydrate inhibitor, at temperatures ranging from 275.65 to 281.65 K and pressures up to 3.5 MPa. A thermodynamic model for predicting hydrate dissociation conditions was developed. The model was based on the van der Waals–Platteeuw statistical model for the solid hydrate phase, and on the Cubic Plus Association (CPA) equation of state for the vapour and liquid phases. The Kihara potential parameters for the hydrate model were estimated using experimental and literature (LW-H-V) equilibrium data. The agreement between the experimental and the predicted dissociation pressure was in general acceptable, with an average absolute deviation of about 2.10%.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.