TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

DRY DISTILLATION [1 record]

Record 1 2009-06-23

English

Subject field(s)
  • Energy Transformation
  • Biomass Energy
  • Chemical Engineering
DEF

A process in which a solid is heated in the absence of liquid to release vapors or liquids from the solid.

CONT

Dry distillation is the heating of solid materials to produce liquid or gaseous products (which may condense into solids). The method may or may not involve pyrolysis/thermolysis. The products are condensed and collected. This method usually requires higher temperatures than classical distillation. The method has been used to obtain liquid fuels from coal and wood.

OBS

In this process the substance operated upon is invariably a solid, the vapours being condensed and collected as in the other methods. When the substance operated upon is of uncertain composition, as, for example, coal, wood, coal-tar, etc., the term "destructive distillation" is employed. A more general designation is "pyrogenic processes," which also includes such operations as leading vapours through red-hot tubes and condensing the products.

OBS

dry distillation: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Transformation de l'énergie
  • Énergie de la biomasse
  • Génie chimique
DEF

Distillation qui s'opère sans addition d'eau, et qui a presque toujours pour effet de décomposer les corps.

CONT

La distillation sèche consiste à chauffer un solide pour le purifier ou séparer ses différents constituants en produisant des composés liquides ou gazeux (qui peuvent ensuite se resolidifier). Au fur et à mesure de la distillation, le produit recherché condense et est collecté. Cette méthode demande généralement des températures plus élevées que la distillation liquide.

OBS

Avant d'inventer le mot «pyrolyse», on parlait de «distillation sèche».

Spanish

Campo(s) temático(s)
  • Transformación de la energía
  • Energía de la biomasa
  • Ingenieria química
DEF

Descomposición de un compuesto por acción del calor en ausencia de aire, con simultánea destilación de productos volátiles.

CONT

Coque: Se obtiene por destilación seca (calentamiento en ausencia de aire) principalmente de la hulla.

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