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High-pressure Sapphire Cell for Phase Equilibria Measurements of CO2/Organic/Water Systems
 

High-pressure Sapphire Cell for Phase Equilibria Measurements of CO2/Organic/Water Systems

Article DOI: 10.3791/51378-v • 05:46 min • January 24th, 2014
January 24th, 2014 •
1, 2, 2, 2, 1
1School of Chemistry and Biochemistry, Georgia Institute of Technology, 2School of Chemical and Biomolecular Engineering, Georgia Institute of Technology

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The high pressure sapphire cell apparatus is a unique tool to study, without sampling, phase behavior under a wide range of pressures. Using a cathetometer, very precise volume measurements can be recorded to measure liquid expansion and phase composition. Thus, this synthetic method enables the study of (1) phase equilibria of multi-component mixtures and (2) the partition behavior of catalyst or model compounds as a function of pressure.

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High-pressure Sapphire Cell Phase Equilibria Measurements CO2/organic/water Systems Visual Data Collection Material Balances Ternary Phase Diagrams Proportion Of Components Gas-liquid-liquid Systems THF-water-CO2 System No Sampling Required Disturbance Of System Equilibrium Measurement Errors Technical Difficulties Direct Visual Observation Phase Behavior Cloud Point Composition Determination Data Analysis
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