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Chemical Engineering

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Edith Cowan University

Cushion gas

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A Prediction Of Interfacial Tension By Using Molecular Dynamics Simulation: A Study On Effects Of Cushion Gas (Co2, N2 And Ch4) For Underground Hydrogen Storage, Quoc T. Doan, Alireza Keshavarz, Caetano R. Miranda, Peter Behrenbruch, Stefan Iglauer Jan 2024

A Prediction Of Interfacial Tension By Using Molecular Dynamics Simulation: A Study On Effects Of Cushion Gas (Co2, N2 And Ch4) For Underground Hydrogen Storage, Quoc T. Doan, Alireza Keshavarz, Caetano R. Miranda, Peter Behrenbruch, Stefan Iglauer

Research outputs 2022 to 2026

Carbon Dioxide (CO2) emissions from fossil fuel consumption have caused global warming and remain challenging problems for mitigation. Underground Hydrogen Storage (UHS) provides clean fuel and replaces traditional fossil fuels to reduce emissions of CO2. Geological formations such as depleted oil/gas reservoirs, deep saline aquifers and shale formations have been recognized as potential targets to inject and store H2 into the subsurface formations for large-scale implementation of CCS and UHS. However, the presence of H2 with cushion gas at different fractions under different geo-storage conditions, which can influence Hydrogen's flow properties, was not investigated widely. Until now, studies of interfacial …


Interfacial Tensions Of (Brine + H2 + Co2) Systems At Gas Geo-Storage Conditions, Zoha Dalal Isfehani, Ali Sheidaie, Mirhasan Hosseini, Jalal Fahimpour, Stefan Iglauer, Alireza Keshavarz Mar 2023

Interfacial Tensions Of (Brine + H2 + Co2) Systems At Gas Geo-Storage Conditions, Zoha Dalal Isfehani, Ali Sheidaie, Mirhasan Hosseini, Jalal Fahimpour, Stefan Iglauer, Alireza Keshavarz

Research outputs 2022 to 2026

In hydrogen geological storage, cushion gas has vital role to retain adequate reservoir pressure to keep the hydrogen withdrawal stable. Presence of the cushion gas in the storage reservoir can affect the flow characteristics of hydrogen during injection and production cycles. One of the most crucial parameters that control the fluids flow in porous media is interfacial tension (IFT) between fluids. However, the literature data lacks in terms of IFT between cushion gas mixed with hydrogen and brine at geo-storage conditions. In this study, the pendant drop method was used to measure the IFT of (brine + H2 + …