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

DOI:
10.3791/51378-v

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05:46 min

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January 24, 2014

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, , , ,
1School of Chemistry and Biochemistry,Georgia Institute of Technology, 2School of Chemical and Biomolecular Engineering,Georgia Institute of Technology

Chapters

  • 00:05Title
  • 00:57Pressure-test the Sapphire Cell Every 12 Pressure Cycles
  • 01:57Operation of the Sapphire Cell Apparatus
  • 04:31Results: CO2/THF/Water or CO2/ACN/Water Equilibria
  • 05:22Conclusion

Summary

Automatic Translation

Automatic Translation

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.

Tags

Keywords: High-pressure Sapphire CellPhase EquilibriaCO2/organic/water SystemsTernary Phase DiagramsTHF-water-CO2 SystemGas-expanded LiquidsGas-expanded Ionic LiquidsOrganic Aqueous Tunable Systems (OATS)Phase BehaviorPhase CompositionCatalyst Partitioning

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