Wax precipitation is one of the most challenging flow assurance problems because its ability to create restrictions inside wellbores, pipelines, and some production facilities. Inaccuracy in predictions wax appearance temperature (WAT) amount precipitated makes it necessary reassess existing thermodynamic models. In addition, current models require accurate description composition from expensiv...

The suitability of phenyl-based deep eutectic solvents (DESs) as absorbents for toluene absorption was investigated by means thermodynamic modeling and molecular dynamics (MD). models perturbed-chain statistical associating fluid theory (PC-SAFT) conductor-like screening model real (COSMO-RS) were used to predict the vapor–liquid equilibrium DES–toluene systems. PC-SAFT yielded quantitative res...

A continuous flow apparatus was applied to measure the phase equilibrium at 523 K and 573 K. The performance of analysed with determination vapor pressures water temperatures ( T = 453 473 K). measured deviated from literature values less than 1 %. Vapor n -dodecane, -hexadecane phenol were 523–623 K) and, bubble point -dodecane + pure components compared values. Relative pressure value 2 % for...

Abstract This research study aims to conduct a comparative performance analysis of different scaling equations and non-scaling models used for modeling asphaltene precipitation. The experimental data carry out this are taken from the published literature. Five which include Rassamadana et al., Rassamdana Sahimi, Hu Gou, Ashoori log–log were applied in two ways, i.e., on full dataset partial dat...

A central issue in the equation of state (EoS) development is to describe accurately fluid density and thus other thermodynamic properties based on it. This study attempts investigate modeling high-pressure mixtures, particularly related reservoir fluids, by cubic non-cubic EoS. large database binary mixtures petroleum fluids was established used compare some typical EoS, including SRK, PR, PC-...

The perturbed-chain statistical associating fluid theory (PC-SAFT) density functional theory developed in our previous work was extended to the description of inhomogeneous confined behavior in nanopores for mixtures. In the developed model, the modified fundamental measure theory and the weighted density approximation were used to represent the hard-sphere and dispersion free energy functional...