Distillation refers to the first step in the refining process. During distillation, crude oil is heated in the base of a distillation tower.

As the temperature increases, the crude's various compounds vaporize in succession at their various boiling points, then rise to prescribed levels within the tower (according to their densities), condense in distillation trays and are drawn off individually for further refining.

Distillation is also used at other points in the refining process to remove impurities.

See also:
"Distillation" is in the HS Code "2707"
  Oils And Other Products Of The Distillation Of High Temperature Coal Tar; Similar Products In Which

"Distillation" is in the UNSPSC Code "41104812"
  Distillation pipings or columns or fittings

Ref: 123244/2006-10-14

Distillation is a term used to refer to the separation of alcohol and water as being achieved in a still. Distillation does not create any alcohol, the latest is produced only during fermentation .

In petroleum industry, distillation is a term used for the first step in the refining process. During distillation, crude oil is heated in the base of a distillation tower. As the temperature increases, the crude's various compounds vaporize in succession at their various boiling points, then rise to prescribed levels within the tower (according to their densities), condense in distillation trays and are drawn off individually for further refining. Distillation is also used at other points in the refining process to remove impurities.


In agriculture , the term distillation is defined as the
eparation of something by evaporating it, collecting the steam, and cooling it down.

-see also:
"Distillation" is in the HS Code "3805"
  Gum, Wood Or Sulphate Turpentine And Other Terpenic Oils Produced By The Distillation Or Other Treat

"Distillation" is in the UNSPSC Code "41104812"
  Distillation pipings or columns or fittings

Ref: 120584/2006-09-19

Distillation is a method of separation of substances based on differences in their volatilities. Known since antiquity, the concentration of alcohol by the application of heat to a fermented liquid solution is perhaps the oldest form of distillation, in the course of producing distilled beverages . However, the technique is now widely used for a variety of liquids in the chemical industry and in the production of petroleum products, among other fields.

The device used in distillation is referred to as a still and consists at a minimum of a reboiler or pot in which the source material is heated, a condenser in which the heated vapor is cooled back to the liquid state, and a receiver in which the concentrated or purified liquid is collected.

An analogous method of purification using freezing instead of evaporation is called freeze distillation. It is not distillation, and does not produce products equivalent to distillation. This process is used in the production of ice beer and ice wine to increase ethanol and sugar content, respectively

-see also:
"Distillation" is in the HS Code "2707"
  Oils And Other Products Of The Distillation Of High Temperature Coal Tar; Similar Products In Which

"Distillation" is in the UNSPSC Code "41104812"
  Distillation pipings or columns or fittings

Ref: 86316/2006-09-13

Distillation is defined as a process by which fermented liquid is boiled then cooled, so that the condensed product contains a higher alcoholic concentration than before. Moreover, it is the process of separating the components of a liquid. The liquid is evaporated and the vapor is condensed back to a liquid.

-see also:
"Distillation" is in the HS Code "2707"
  Oils And Other Products Of The Distillation Of High Temperature Coal Tar; Similar Products In Which

"Distillation" is in the UNSPSC Code "41104812"
  Distillation pipings or columns or fittings

Ref: 120849/2006-10-01


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List of books: Distillation

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