Phase boundary of gas hydrates in single and mixed electrolyte solutions: Using a novel unified equation of state

The phase boundary of gas hydrates is key to flow assurance, energy recovery, and hydrate-based technologies. In this work, a new thermodynamic model has been proposed for calculating the phase boundary of gas hydrates based on a unified equation of state (EoS) for the non-hydrate phases and the van der Waals-Platteeuw (vdW-P) model for the hydrate phase. A modified Peng-Robinson EoS is employed to describe the interactions between water, gas,...