Caloric equation of state for multicomponent gas and liquid solutions

1973 ◽  
Vol 6 (5) ◽  
pp. 559-561
Author(s):  
A. L. Tsykalo ◽  
Zh. F. Doroshenko ◽  
V. K. Savenkov
Keyword(s):  
Equation Of State ◽  
Caloric Equation ◽  
Liquid Solutions ◽  
Multicomponent Gas

scholarly journals Hydrate Equilibrium Modelling with the Cubic two-state Equation of State

2017 ◽  
Vol 60 (4) ◽  
Author(s):  
Edgar Galicia-Andrés ◽  
Milton Medeiros
Keyword(s):  
Equation Of State ◽  
Gas Hydrates ◽  
Hydrate Formation ◽  
Triethylene Glycol ◽  
State Equation ◽  
Model Parameters ◽  
Equilibrium Pressure ◽  
Multicomponent Gas ◽  
Pure Compounds ◽  
Equilibrium Data

A combination of the cubic two-state equation of state and the van der Waals–Platteeuw model was employed for the description of the hydrate formation thermodynamics, with and without inhibitors. The model parameters were determined from the properties of pure compounds and from phase equilibrium data of binary gas–water and water–inhibitor mixtures. With these parameters, predictions were performed for multicomponent gas–water–inhibitor systems. For single-gas hydrates, the average absolute deviations found for equilibrium pressure did not exceed 8%, whereas for multi-gas hydrates, these deviations were 23% maximum. The proposed model produced good predictions in the presence of inhibitors (methanol, ethanol, ethylene glycol and triethylene glycol), with increasing deviations at higher concentrations of inhibitors.

Thermodynamic Modeling of Aqueous Ionic Liquid Solutions Using PC-SAFT Equation of State

2012 ◽  
Vol 51 (30) ◽  
pp. 10274-10282 ◽  
Author(s):  
Reza Shahriari ◽  
Mohammad Reza Dehghani ◽  
Bahman Behzadi
Keyword(s):  
Ionic Liquid ◽  
Equation Of State ◽  
Thermodynamic Modeling ◽  
Liquid Solutions

On the Problem of Caloric Equation of State of a Mixed Ideal Gas

2009 ◽  
Vol 4 (1) ◽  
pp. 80-84
Author(s):  
Evgeniy Prokhorov
Keyword(s):  
Heat Capacity ◽  
Equation Of State ◽  
Internal Energy ◽  
Empirical Formula ◽  
Diatomic Molecules ◽  
Ideal Gas ◽  
Mixed Gas ◽  
Caloric Equation ◽  
High Degree

As a caloric equation of state of a mixed ideal gas it has been suggested to use the empirical formula for the internal energy derived from the known molecular-kinetic approaches. The formula allows to calculate with high degree accuracy the internal energy and the heat capacity of a mixed gas with components involving only mono- and diatomic molecules.

Equation of state for hard convex body fluid mixtures

1998 ◽  
Vol 94 (5) ◽  
pp. 809-814 ◽  
Author(s):  
C. BARRIO ◽  
J.R. SOLANA
Keyword(s):  
Equation Of State ◽  
Convex Body ◽  
Body Fluid ◽  
Fluid Mixtures
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