TERMIUM Plus®

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SUPERCRITICAL FLUID [1 record]

Record 1 2021-12-30

English

Subject field(s)
  • Chemical Elements and Compounds
  • Energy Transformation
  • Physics
DEF

... any substance at a temperature and pressure above its critical point, where distinct liquid and gas phases do not exist, but below the pressure required to compress it into a solid.

OBS

Some examples of substances used for producing supercritical fluids are carbon dioxide, water, ethane, propane, ethylene and propylene.

Key term(s)
  • super-critical fluid

French

Domaine(s)
  • Éléments et composés chimiques
  • Transformation de l'énergie
  • Physique
CONT

La courbe d'équilibre liquide-gaz est interrompue au niveau du point critique, assurant un continuum des propriétés physico-chimiques. On parle ainsi de fluide supercritique lorsqu'un fluide est chauffé au-delà de sa température critique et lorsqu'il est comprimé au-dessus de sa pression critique.

OBS

Quelques exemples de composés qui sont utilisés dans la production de fluides supercritiques sont le dioxyde de carbone, l'eau, l'éthane, le propane, l'éthylène et le propylène.

Key term(s)
  • fluide super-critique

Spanish

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