IPC Main Group
B01D 21/00 Separation of suspended solid particles from liquids by sedimentation
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- SEPARATION
Scope Notes
Application references: Devices for separating or removing fatty or oily substances or similar floating material from water, waste water, or sewage
Related Keywords
FLOCCULATIONPRECIPITATION of particles in liquidsSEDIMENTATIONsettling TANKS
7 direct subcodes
Child Classifications
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- B01D 21/01 using flocculating agents
- B01D 21/02 Settling tanks
- B01D 21/18 Construction of the scrapers or the driving mechanisms for settling tanks
- B01D 21/24 Feed or discharge mechanisms for settling tanks
- B01D 21/26 Separation of sediment aided by centrifugal force
- B01D 21/28 Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
- B01D 21/3 Control equipment