- Vacuum distillation is a method of distillation whereby the pressure above the liquid mixture to be distilled is reduced to less than its vapor pressure (usually less than atmospheric pressure) causing evaporation of the most volatile liquid (s) (those with the lowest boiling points). For example, if we talk about the speed and fast process of the industrial distillation system, then the name that would come in our mind is a wiped film distillation system. Zone distillation Commentdocument.getElementById("comment").setAttribute( "id", "a8d8fb53f07035adb77aa300349e3763" );document.getElementById("d71cf7d103").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. Distillation is a physical method of assorting mixtures depending upon the difference in the boiling point of the component substances. The following examples represent a few distillation methods. So, glycerin is added to this mixture to enhance the boiling point of water. This method is routinely used to obtain double distilled water. Simple distillation; Fractional distillation; Steam distillation; Vacuum distillation; Azeotropic distillation; Types of … Thus this procedure helps in obtaining a pure form of substance than that achieved by simple distillation. Save my name, email, and website in this browser for the next time I comment. Air-sensitive vacuum distillation 6. This is collected in a separate flask and they can be easily separated since the water and turpentine oil are immiscible. Finally, adding ionic salts may alter the volatilities of the compounds in the mix in such a way that they can be distilled. Several distillation variations are used in the organic laboratory depending on the properties of the mixture to be purified. Batch Columns. Various types of distillation into one form of separation which is usually used in industrial chemistry, for example, in the separation of petroleum and drugs used in pharmaceuticals. Simple Distillation . The formed vapors are cooled like above to get triple distilled liquid. Zone distillation Historical evidence suggests that the principle of distillation has been in use since ancient times. There two common types of column that are identified. This container is called still pot. When a mixture contains two liquids with similar boiling points, they cannot be efficiently separated using simple distillation. In reactive distillation, by contrast, a chemical that will react with one agent but not the other is added, creating a new mixture that can be separated by distillation. Different types of distillation are simple, fractional, steam, vacuum and short path distillation. Each method is adjusted to the required results.