fractional column

См. также в других словарях:

• Fractional distillation — is the separation of a mixture into its component parts, or fractions, such as in separating chemical compounds by their boiling point by heating them to a temperature at which several fractions of the compound will evaporate. It is a special… …   Wikipedia

• Fractional Jets — is a common term for fractional aircraft ownership. The first such program was launched in 1986 by NetJets, which continues to dominate the industry. Other providers include business jet operators CitationShares, Flexjet,… …   Wikipedia

• Fractional factorial design — In statistics, fractional factorial designs are experimental designs consisting of a carefully chosen subset (fraction) of the experimental runs of a full factorial design. The subset is chosen so as to exploit the sparsity of effects principle… …   Wikipedia

• Column still — Legend: A. Analyzer B. Rectifier 1. Wash 2. Steam 3. Liquid out 4. Alcohol vapour 5. Recycled less volatile components 6. Most volatile components 7. Condenser A column still, also called a continuous still, patent still or Coffey still, is a… …   Wikipedia

• Fractionating column — A fractionating column or fractionation column is an essential item used in the distillation of liquid mixtures so as to separate the mixture into its component parts, or fractions, based on the differences in their volatilities. Fractionating… …   Wikipedia

• fractionating column — /ˌfrækʃəneɪtɪŋ ˈkɒləm/ (say .frakshuhnayting koluhm) noun a long vertical column forming part of a still, containing rings, plates or bubble caps, as used to improve efficiency in fractional distillation …  

• french column — noun Usage: usually capitalized F : an apparatus that is used for effecting fractional condensation and that consists of a chambered column or dephlegmator with which is connected a series of U tubes …   Useful english dictionary

• hempel column — ˈhempəl noun Usage: usually capitalized H Etymology: after Walter Hempel died 1916 German chemist : a vertical column for fractional distillation filled with glass beads and provided with a side tube for exit of the vapors …   Useful english dictionary

• distillation column — Chem. a type of still fitted with interior baffles, used for fractional distillation. Cf. still2 (def. 1). * * * …   Universalium

• vigreux column — vēˈgrə̄ noun Usage: usually capitalized V Etymology: probably after Léon Vigreux died 1891 French hydraulic engineer : a long unpacked glass tube for use in laboratory fractional distillation that is characterized by many deep pointed… …   Useful english dictionary

• distillation column — Chem. a type of still fitted with interior baffles, used for fractional distillation. Cf. still2 (def. 1) …   Useful english dictionary