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Fractional distillation is the separation of a mixture into its component parts, or fractions. Chemical compounds are separated by heating them to a temperature at which one or more fractions of the mixture will vaporize. It uses distillation to fractionate. Generally the component parts have boiling points that differ by less than 25 °C (45 °F) from each other under a pressure of one atmosphere. If the difference in boiling points is greater than 25 °C, a simple distillation is typically used.
A crude oil distillation unit uses fractional distillation in the process of refining crude oil.
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Fractionaldistillation is the separation of a mixture into its component parts, or fractions. Chemical compounds are separated by heating them to a temperature...
involving repeated distillation through a water-cooled still, by which an alcohol purity of 90% could be obtained. The fractionaldistillation of organic substances...
A fractionating column or fractional column is equipment used in the distillation of liquid mixtures to separate the mixture into its component parts...
method is slow, and is not suitable for large-scale production. Fractionaldistillation is the separation of a mixture into its component parts, or fractions...
continuous distillation is often a fractionaldistillation and can be a vacuum distillation or a steam distillation. Design and operation of a distillation column...
it is not possible to separate the components by fractionaldistillation and azeotropic distillation is usually used instead. For technical applications...
crystallization. Fractional freezing is generally used to produce ultra-pure solids, or to concentrate heat-sensitive liquids. Freeze distillation is a misnomer...
and technology. Mixtures of liquids and gasses are separated by fractionaldistillation by difference in boiling point. Fractionation of components also...
produced from natural-gas condensates, petroleum distillates, and the fractionaldistillation of coal tar and peat. In some industries and regions, the name...
Vacuum distillation or distillation under reduced pressure is a type of distillation performed under reduced pressure, which allows the purification of...
about −196 °C (−321 °F; 77 K). It is produced industrially by fractionaldistillation of liquid air. It is a colorless, mobile liquid whose viscosity...
rare inert gases. The most common method for air separation is fractionaldistillation. Cryogenic air separation units (ASUs) are built to provide nitrogen...
separating them from air using the methods of liquefaction of gases and fractionaldistillation. Helium is also a byproduct of the mining of natural gas. Radon...
Temperature Scale of 1990. Argon is extracted industrially by the fractionaldistillation of liquid air. It is mostly used as an inert shielding gas in welding...
Liquor (/ˈlɪkər/ LIK-ər) is an alcoholic drink produced by the distillation of grains, fruits, vegetables, or sugar that have already gone through alcoholic...
which one phase is continuously removed from the system through fractionaldistillation. It is used in particular to describe isotopic enrichment or depletion...
to that of cold molasses while the material obtained from the fractionaldistillation of crude oil boiling at 525 °C (977 °F) is sometimes referred to...
extracted commercially by a low-temperature separation process called fractionaldistillation. Terrestrial helium is a non-renewable resource because once released...
For most industrial and fuel uses, the ethanol must be purified. Fractionaldistillation at atmospheric pressure can concentrate ethanol to 95.6% by weight...
uses are relatively limited. It is primarily obtained through the fractionaldistillation of liquid air, making it significantly more expensive than helium...
condense at the required strength. A column still is an example of a fractionaldistillation, in that it yields a narrow fraction of the distillable components...
likely produced by a series of processes such as vacuum distillation, fractionaldistillation, and solvent extraction. The product is one of a series...
mixture of products, and the butene is extracted from this by fractionaldistillation. Butene can be used as the monomer for polybutene, but this polymer...
blue light). High-purity liquid O 2 is usually obtained by the fractionaldistillation of liquefied air. Liquid oxygen may also be condensed from air...