Thermophysical Properties, Hydrate and Phase Behaviour Modelling in Acid Gas-Rich Systems

Research output: Chapter in Book/Report/Conference proceedingChapter


In this communication we present experimental techniques, equipment and thermodynamic modelling for investigating systems with high acid gas concentrations and discuss experimental results on the phase behaviour and thermo-physical properties of acid gas-rich systems. The effect of high CO2 concentration on density and viscosity were experimentally and theoretically investigated over a wide range of temperature and pressures. A corresponding-state model was developed to predict the viscosity of the stream and a volume corrected equation of state approach was used to calculate densities. The phase envelope and the hydrate stability (in water saturated and under-saturated conditions to assess dehydration requirements) of some acid gas-rich fluids were also experimentally determined to test a generalized model, which was developed to predict the phase behaviour, hydrate dissociation pressures and the dehydration requirements of acid gas rich gases.
Original languageEnglish
Title of host publicationAcid Gas Extraction for Disposal and Related Topics
ISBN (Electronic)9781118938652
ISBN (Print)9781118938614
Publication statusPublished - 5 Feb 2016


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