CPC Subgroup
B01D 3/20 Bubble caps; Risers for vapour; Discharge pipes for liquid
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 bubbles through liquid (packing elements B01J19/30, B01J19/32) > with horizontal bubble plates > Bubble caps; Risers for vapour; Discharge pipes for liquid
1 direct subcode
Child Classifications
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