Fractionating columns in which vapour and liquid flow past each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction

Full Title

Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping ( gas chromatography B01D15/08; destructive distillation C10B; preparation of alcoholic beverages by distillation C12H6/02) > Fractional distillation > Fractionating columns in which vapour and liquid flow past each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction

Child Classifications

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• B01D 3/28 Fractionating columns with surface contact and vertical guides, e.g. film action