CPC Subgroup Additional Only
B01D 2201/08 Regeneration of the filter
Full Title
Details relating to filtering apparatus > Regeneration of the filter
6 direct subcodes
Child Classifications
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- B01D 2201/081 using nozzles or suction devices
- B01D 2201/085 using another chemical than the liquid to be filtered
- B01D 2201/086 using fluid streams co-current to the filtration direction
- B01D 2201/087 using gas bubbles, e.g. air
- B01D 2201/088 Arrangements for killing microorganisms
- B01D 2201/089 using rollers having projections to clear the filter apertures