C02F

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Description

TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F 9/04)

Subclasses

SubclassTitle
1/00 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence)
1/02 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by heating
1/04 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by heating by distillation or evaporation
1/06 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by heating by distillation or evaporation Flash evaporation
1/08 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by heating by distillation or evaporation Thin film evaporation
1/10 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
1/12 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium Spray evaporation
1/14 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by heating by distillation or evaporation using solar energy
1/16 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by heating by distillation or evaporation using waste heat from other processes
1/18 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by heating by distillation or evaporation Transportable devices to obtain potable water
1/20 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by degassing, i.e. liberation of dissolved gases
1/22 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by freezing
1/24 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by flotation (C02F 1/465 takes precedence)
1/26 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by extraction
1/28 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by sorption (using ion-exchange C02F 1/42; sorbent compositions B01J)
1/30 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by irradiation
1/32 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by irradiation with ultra-violet light
1/34 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) with mechanical oscillations
1/36 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) with mechanical oscillations ultrasonic vibrations
1/38 Treatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) by centrifugal separation

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