Noun
fractionation of a liquid by distillation
Source: WordNetAfter this separation, generally performed by fractional distillation in a double-column plant, the liquid oxygen produced will contain small quantities of krypton and xenon. Source: Internet
Alkanes are separated in an oil refinery by fractional distillation and processed into many different products. Source: Internet
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. Source: Internet
Cognac and South African brandy are examples of brandy produced in batches while many American brandies use fractional distillation in column stills. Source: Internet
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". Source: Internet
The liquid or gaseous product (the alkali metal) then undergoes fractional distillation for purification. Source: Internet