Thermodynamic properties of hydrofluoroolefin (R1234yf and R1234ze (E)) refrigerant mixtures: Density, vapour-liquid equilibrium, and heat capacity data and …

SZS Al Ghafri, D Rowland, M Akhfash… - International Journal of …, 2019 - Elsevier
Liquid-phase and vapour-phase densities are reported for the binary refrigerant mixtures
(R125+ R1234ze (E)),(R134a+ R1234ze (E)),(R143a+ R1234ze (E)),(R1234ze (E)+ …

Evaluating cubic equations of state for predictions of solid-fluid equilibrium in liquefied natural gas production

X Yang, D Rowland, CC Sampson, PE Falloon, EF May - Fuel, 2022 - Elsevier
Solid formation and deposition in liquefied natural gas (LNG) production is a process hazard
avoidable by careful determination of impurity solubility in the process stream. Accurate …

Solid-fluid equilibrium measurements of benzene in methane and implications for freeze-out at LNG conditions

A Siahvashi, SZS Al Ghafri, EF May - Fluid Phase Equilibria, 2020 - Elsevier
Abstract Information about the solubility of benzene in light hydrocarbons is particularly
important for the prediction of freeze-out risk in LNG production. Engineering models …

Reference quality vapor–liquid equilibrium data for the binary systems methane+ ethane,+ propane,+ butane, and+ 2-methylpropane, at temperatures from (203 to …

EF May, JY Guo, JH Oakley, TJ Hughes… - Journal of Chemical & …, 2015 - ACS Publications
A specialized cell designed for vapor liquid equilibrium (VLE) measurements at cryogenic
temperatures and high pressures was used to measure new (p, T, x, y) data for binary …

Natural gas density measurements and the impact of accuracy on process design

SZS Al Ghafri, F Jiao, TJ Hughes, A Arami-Niya… - Fuel, 2021 - Elsevier
The liquefaction of natural gas is an energy intensive process, requiring at least 5% of the
energy associated with methane's lower heating value. Key to estimating and optimizing …

High-pressure fluid-phase equilibria: Experimental methods, developments and systems investigated (2013–2016)

R Dohrn, S Peper, C Secuianu, JMS Fonseca - Fluid Phase Equilibria, 2024 - Elsevier
With this article we extend our review series on high-pressure (above 1 MPa) phase
equilibrium data to articles published between 2013 and 2016, including a compilation of …

Solubility of p-xylene in methane and ethane and implications for freeze-out at LNG conditions

A Siahvashi, SZS Al Ghafri, TJ Hughes… - … Thermal and Fluid …, 2019 - Elsevier
Even at trace concentrations the presence of heavy hydrocarbons such as BTEX
compounds (benzene, toluene, ethylbenzene, and xylenes) in liquefied natural gas (LNG) …

A new modelling approach for reliable prediction of solid-fluid behaviour: Application to the methane+ benzene system including low-temperature and high-pressure …

M Campestrini, P Stringari, S Hoceini - Fluid Phase Equilibria, 2024 - Elsevier
Because of their high melting temperature, aromatic compounds are amongst the heaviest
components to deal with in the evaluation of the crystallization risk of methane-rich mixtures …

Toward an optimized design of the LNG production process: Measurement and modeling of the solubility limits of p-xylene in methane and methane+ ethane mixtures …

P Stringari, M Campestrini, NG Ince, D Bluck… - Fluid Phase …, 2022 - Elsevier
Accurate knowledge of the solubility limits of impurities in LNG allows an optimized design of
the purification units installed upstream of the liquefaction train and the prevention of solid …

New insights into the modeling of low-temperature phase equilibria involving molecular solids: Focus on the systems of interest for the LNG production

S Hoceini, M Campestrini, P Stringari - Fluid Phase Equilibria, 2023 - Elsevier
A common approach for calculating the solubility of a pure solid former in a solvent at solid-
fluid equilibrium is based on the coupling of two models: one for the fluid phase and another …