Aerobic processes

Introduced: January 1980

Full Title

Biological treatment of water, waste water, or sewage > Aerobic processes

Of 6 combined children, 5 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

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C02F 3/025 CPC only CPC only
C02F 3/04 using trickle filters since 1980 +2 CPC IPC+CPC Available in IPC and CPC
C02F 3/06 using submerged filters since 1980 IPC+CPC Available in IPC and CPC
C02F 3/08 using moving contact bodies since 1980 +2 CPC IPC+CPC Available in IPC and CPC
C02F 3/10 Packings; Fillings; Grids (packing elements in general B01J19/30, B01J19/32) since 1980 +6 CPC IPC+CPC Available in IPC and CPC
C02F 3/12 Activated sludge processes since 1980 +3 CPC IPC+CPC Available in IPC and CPC