supercritical fluid on phase diagram - Search
 
  1. Supercritical fluid - Wikipedia

    • Figures 1 and 2 show two-dimensional projections of a phase diagram. In the pressure-temperature phase diagram (Fig. 1) the boiling curve separates the gas and liquid region and ends in the critical point, where the liquid and gas phases disappear to become a single supercritical phase. The appearance of a single phase can also be observed in the densit… See more

    Overview

    A supercritical fluid (SCF) is a substance at a temperature and pressure above its critical point, where distinct liquid and
    Supercritical … See more

    Properties

    Supercritical fluids generally have properties between those of a gas and a liquid. In Table 1, the critical properties are shown for some substances that are commonly used as supercritical fluids.
    †Source: In… See more

    History

    In 1822, Baron Charles Cagniard de la Tour discovered the critical point of a substance in his famous cannon barrel experiments. Listening to discontinuities in the sound of a rolling flint ball in a sealed cannon filled with fluids at var… See more

    Natural occurrence

    Hydrothermal circulation occurs within the Earth's crust wherever fluid becomes heated and begins to convect. These fluids are thought to reach supercritical conditions under a number of different settings, such as in the for… See more

    Applications

    The advantages of supercritical fluid extraction (compared with liquid extraction) are that it is relatively rapid because of the low viscosities and high diffusivities associated with supercritical fluids. Alternative … See more

    Further reading

    • Brunner, Gerd (2010). "Applications of Supercritical Fluids". Annual Review of Chemical and Biomolecular Engineering. 1 (1): 321–342. doi:10.1146/annurev-chembioeng-073009-101311. ISSN 1947-5438See more

     
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  2. Pressure-temperature phase diagram

    The concept of a supercritical fluid can be better understood using a pressure-temperature phase diagram. In a phase diagram, the lines of equilibrium denote a situation where two phases can coexist. The critical point is the maximum pressure and temperature at which liquid-gas equilibrium occurs.
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  3. Supercritical Fluid – Examples, Properties, and Phase …

    The two most commonly used supercritical fluids are CO 2 and water, the phase diagrams for which are illustrated below. Carbon dioxide (CO 2 ) From the phase diagram, we observe that CO 2 has a critical pressure of 73.8 bar (72.8 atm) …

     
  4. 3.3: Basic Principles of Supercritical Fluid …

    In the phase diagram, the field above Tc and Pc values is defined as the supercritical region. In theory, the supercritical region can be reached in two ways: Increasing the pressure above the Pc value of the material while …

  5. Supercritical Fluids - Chemistry LibreTexts

    Jan 30, 2023 · Examples: A Phase Diagram: Notice the yellow and blue mix to create green area that follows the Coordinates of the critical point, that is where the supercritical fluids occur on the graph. Each element and molecule have …

  6. 29.1: Properties of Supercritical Fluids - Chemistry …

    Jan 24, 2023 · Phase diagram showing the combinations of temperature and pressure for which a compound is in its solid state, its liquid state, and its gas state. For pressures and temperatures above the critical point, the compound …

  7. Phase Diagrams | Chemistry - Lumen Learning

    This unique state of matter is called a supercritical fluid, a topic that will be described in the next section of this module. Figure 3 Freeze-dried foods, like this ice cream, are dehydrated by sublimation at pressures below the triple point …

  8. Properties of Supercritical Fluids - SHIMADZU …

    Supercritical state is when substance have properties of both gas and liquid, and they are thus called as Supercritical Fluid. This point in phase diagram with corresponding conditions of temperature and pressure is called Critical Point …

  9. Phase Diagram: Definition, Explanation, and Diagram

    We start with the solid phase, cross the solid-liquid line (BD), and move into the liquid phase. We continue along the dashed line, cross the liquid-vapor line (BC), and finally reach the gaseous phase. In summary, if we increase the …

  10. Phase Diagrams (10.4) – Chemistry 110 - Unizin

    Explain the construction and use of a typical phase diagram; Use phase diagrams to identify stable phases at given temperatures and pressures, and to describe phase transitions resulting from changes in these properties; Describe the …

  11. Supercritical Fluids | Introduction to Chemistry

    In the pressure-temperature phase diagram of CO 2, the boiling separates the gas and liquid region and ends in the critical point, where the liquid and gas phases disappear to become a single supercritical phase.

  12. The Phase of Supercritical Fluids (animation) - Annenberg Learner

  13. 12.4: Phase Diagrams - Chemistry LibreTexts

  14. Supercritical fluid - New World Encyclopedia

  15. An Introduction to Supercritical Fluids - The Xerte Project

  16. Where is the supercritical fluid on the phase diagram?

  17. Supercritical Fluid - an overview | ScienceDirect Topics

  18. 12.4: Phase diagram - Chemistry LibreTexts

  19. Supercritical Fluids: Their Properties and Applications

  20. Supercritical Fluids: Their Properties and Applications

  21. Formation and evolution of supercritical geofluid

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