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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 21/24 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