fractional distillation
Noun
Meaning
fractionation of a liquid by distillation
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Examples
After this separation, generally performed by fractional distillation in a double-column plant, the liquid oxygen produced will contain small quantities of krypton and xenon.
Alkanes are separated in an oil refinery by fractional distillation and processed into many different products.
By additional fractional distillation, the liquid oxygen may be enriched to contain 0.1–0.2% of a krypton/xenon mixture, which is extracted either by absorption onto silica gel or by distillation.
Cognac and South African brandy are examples of brandy produced in batches while many American brandies use fractional distillation in column stills.
Its viscosity is similar to that of cold molasses citation citation while the material obtained from the fractional distillation of crude oil boiling at convert is sometimes referred to as "refined bitumen".
The liquid or gaseous product (the alkali metal) then undergoes fractional distillation for purification.