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Distillation, also classical distillation, is the process of separating the component substances of a liquid mixture of two or more chemically discrete substances; the separation process is realized by way of the selective boiling of the mixture and the condensation of the vapors in a still.
The distillation process concentrates the alcohol, the resulting condensate has an increased alcohol by volume. [3] As liquors contain significantly more alcohol ( ethanol ) than other alcoholic drinks, they are considered "harder".
Freeze distillation concentrates ethanol along with methanol and fusel alcohols (fermentation by-products partially removed by distillation) in applejack. Fortified wine is wine, such as port or sherry , to which a distilled beverage (usually brandy ) has been added. [ 38 ]
An alcohol-free or non-alcoholic drink, also known as a temperance drink, is a version of an alcoholic drink made without alcohol, or with the alcohol removed or reduced to almost zero. These may take the form of a non-alcoholic mixed drink or non-alcoholic beer , and are widely available where alcoholic drinks are sold.
The dominant ethanol feedstock in warmer regions is sugarcane. [8] In temperate regions, corn or sugar beets are used. [8] [9] In the United States, the main feedstock for the production of ethanol is currently corn. [8] Approximately 2.8 gallons of ethanol are produced from one bushel of corn (0.42 liter per kilogram).
The simplest standard distillation apparatus is commonly known as a pot still, consisting of a single heated chamber and a vessel to collect purified alcohol. A pot still incorporates only one condensation , whereas other types of distillation equipment have multiple stages which result in higher purification of the more volatile component ...