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PCE
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IPC Subgroup
C02F 3/14

using surface aeration

Introduced: January 1980

Last revised: January 2023

Full Title

Biological treatment of water, waste water, or sewage > Aerobic processes > Activated sludge processes > using surface aeration

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Subclass:
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

2 direct subcodes

Child Classifications

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  • C02F 3/16 the aerator having a vertical axis
  • C02F 3/18 the aerator having a horizontal axis