Hydrogen liquefaction: a review of the fundamental physics, engineering practice and future opportunities

SZS Al Ghafri, S Munro, U Cardella, T Funke… - Energy & …, 2022 - pubs.rsc.org
Hydrogen is emerging as one of the most promising energy carriers for a decarbonised
global energy system. Transportation and storage of hydrogen are critical to its large-scale …

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 …

A Joule-Thomson Loop to Study High-Pressure Fluid Expansion

K Jeong, BWE Norris, A Siahvashi, F Jiao… - Energy & …, 2024 - ACS Publications
A specialized facility was constructed to investigate the Joule-Thomson (JT) effect during
fluid expansion over a valve. The flow loop facility consists of 1.5 m long, 1 in. outer diameter …

Thermodynamic property measurements and modelling of CO2+ difluoromethane (R32): Density, heat capacity, and vapour-liquid equilibrium

X **ao, LD Tenardi, MS Sadaghiani, ES Pouya… - International Journal of …, 2023 - Elsevier
Accurate thermodynamic property data and models are demanded to reduce the design
margins of industrial processes based on these fluids. In this work, measurements of density …

Measurements of solidification kinetics for benzene in methane at high pressures and cryogenic temperatures

CC Sampson, PJ Metaxas, A Siahvashi… - Chemical Engineering …, 2021 - Elsevier
A stirred, high-pressure, visual microscopy-based apparatus was used to investigate solid-
formation kinetics in LNG-relevant binary mixtures. The apparatus can detect solid crystals …

[HTML][HTML] Optical measurements of solid nitrogen solubility in hydrogen at cryogenic temperatures

MTJ Barwood, PJ Metaxas, PE Falloon… - International Journal of …, 2024 - Elsevier
The solubility of impurities in hydrogen at cryogenic temperatures is essential information for
the design of liquid hydrogen plants. However, large data scatter and inconsistent …

[HTML][HTML] Solubility of benzene in Methane+ Nitrogen mixtures at LNG conditions

W Wu, MTJ Barwood, PJ Metaxas, PE Falloon… - Chemical Engineering …, 2025 - Elsevier
One of the most common non-hydrocarbon components in natural gas, nitrogen, is thought
to reduce the solubility of impurities such as benzene in liquefied natural gas. However, no …

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 …

Prediction of solid formation conditions in mixed refrigerants with iso-pentane and methane at high pressures and cryogenic temperatures

MS Sadaghiani, A Siahvashi, BWE Norris… - Energy, 2022 - Elsevier
High boiling-point components in mixed refrigerants can improve the performance of natural
gas and hydrogen liquefaction facilities. However, such heavy compounds can freeze out …

Experimental study of impurity freeze-out in ternary methane+ ethane+ benzene mixtures with applications to LNG production

A Siahvashi, SZS Al Ghafri, BF Graham… - Journal of Natural Gas …, 2021 - Elsevier
The freeze-out of impurities in LNG production can pose significant operational risks and
lead to costly blockage-induced plant shutdowns. Study of ternary and higher-order …