TERMIUM Plus®

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ASYMMETRIC MEMBRANE [1 record]

Record 1 2024-08-27

English

Subject field(s)
  • Industrial Techniques and Processes
  • Food Industries
  • Collaboration with the FAO
DEF

A membrane which is chemically of the same material throughout but physically is of different structure on its two sides.

OBS

The upper side is very thin, has a close structure and is the effective filtering layer. The lower and thicker side is more open and serves as a support for the thin layer.

French

Domaine(s)
  • Techniques industrielles
  • Industrie de l'alimentation
  • Collaboration avec la FAO
DEF

Membrane dont au moins une propriété a une valeur très différente selon la face considérée.

OBS

L'asymétrie porte sur une caractéristique quelconque de la membrane: porosité, diamètre de pore, densité des charges fixes, nature des groupements fonctionnels, etc.

OBS

Les membranes asymétriques sont caractérisées par une couche fine active appelée peau et un support poreux.

OBS

Une membrane asymétrique est anisotrope. Les deux termes sont généralement confondus.

Spanish

Campo(s) temático(s)
  • Procesos y técnicas industriales
  • Industria alimentaria
  • Colaboración con la FAO
CONT

Las membranas asimétricas están constituidas por estructuras laminares o tubulares donde el tamaño de poro, la porosidad o la composición de la membrana cambia a lo largo de su espesor.

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