IPC Subgroup
B01D 3/18 with horizontal bubble plates
Introduced: September 1968
Last revised: January 2006
Full Title
Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping > Fractional distillation > Fractionating columns in which vapour bubbles through liquid > with horizontal bubble plates
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- SEPARATION
1 direct subcode
Child Classifications
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- B01D 3/2 Bubble caps; Risers for vapour; Discharge pipes for liquid