CPC Subgroup
C02F 11/121 by mechanical de-watering
Full Title
Treatment of sludge; Devices therefor > by de-watering, drying or thickening > by mechanical de-watering
6 direct subcodes
Child Classifications
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- C02F 11/122 using filter presses (C02F11/123 takes precedence)
- C02F 11/123 using belt or band filters
- C02F 11/125 using screw filters
- C02F 11/126 using drum filters
- C02F 11/127 by centrifugation
- C02F 11/128 using batch processes