IPC Subgroup
B01D 3/14 Fractional distillation
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
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- SEPARATION
Related Keywords
fractional DISTILLATION
4 direct subcodes
Child Classifications
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- B01D 3/16 Fractionating columns in which vapour bubbles through liquid
- B01D 3/26 Fractionating columns in which vapour and liquid flow pass each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction
- B01D 3/3 Fractionating columns with movable parts or in which centrifugal movement is caused
- B01D 3/32 Other features of fractionating columns