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C02F 1/00
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Treatment of water, waste water, or sewage |
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C02F 1/02
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Treatment of water, waste water, or sewage by heating |
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C02F 1/04
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Treatment of water, waste water, or sewage by heating by distillation or evaporation |
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C02F 1/06
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Flash evaporation |
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C02F 1/08
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Thin film evaporation |
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C02F 1/10
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Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium |
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C02F 1/12
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Spray evaporation |
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C02F 1/14
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Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy |
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C02F 1/16
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Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes |
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C02F 1/18
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Transportable devices to obtain potable water |
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C02F 1/20
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Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases |
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C02F 1/22
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Treatment of water, waste water, or sewage by freezing |
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C02F 1/24
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Treatment of water, waste water, or sewage by flotation |
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C02F 1/26
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Treatment of water, waste water, or sewage by extraction |
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C02F 1/28
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Treatment of water, waste water, or sewage by sorption |
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C02F 1/30
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Treatment of water, waste water, or sewage by irradiation |
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C02F 1/32
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Treatment of water, waste water, or sewage by irradiation with ultraviolet light |
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C02F 1/34
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Treatment of water, waste water, or sewage with mechanical oscillations |
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C02F 1/36
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Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations |
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C02F 1/38
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Treatment of water, waste water, or sewage by centrifugal separation |
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C02F 1/40
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Devices for separating or removing fatty or oily substances or similar floating material |
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C02F 1/42
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Treatment of water, waste water, or sewage by ion-exchange |
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C02F 1/44
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Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis |
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C02F 1/46
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Treatment of water, waste water, or sewage by electrochemical methods |
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C02F 1/48
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Treatment of water, waste water, or sewage with magnetic or electric fields |
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C02F 1/50
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Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment |
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C02F 1/52
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Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities |
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C02F 1/54
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Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material |
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C02F 1/56
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Macromolecular compounds |
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C02F 1/58
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Treatment of water, waste water, or sewage by removing specified dissolved compounds |
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C02F 1/60
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Silicon compounds |
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C02F 1/62
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Heavy metal compounds |
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C02F 1/64
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Heavy metal compounds of iron or manganese |
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C02F 1/66
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Treatment of water, waste water, or sewage pH adjustment |
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C02F 1/68
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Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water |
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C02F 1/70
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Treatment of water, waste water, or sewage by reduction |
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C02F 1/72
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Treatment of water, waste water, or sewage by oxidation |
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C02F 1/74
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Treatment of water, waste water, or sewage by oxidation with air |
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C02F 1/76
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Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens |
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C02F 1/78
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Treatment of water, waste water, or sewage by oxidation with ozone |
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C02F 1/461
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Treatment of water, waste water, or sewage by electrochemical methods by electrolysis |
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C02F 1/463
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Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation |
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C02F 1/465
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Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electroflotation |
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C02F 1/467
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Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection |
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C02F 1/469
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Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis |
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C02F 3/00
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Biological treatment of water, waste water, or sewage |
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C02F 3/02
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Aerobic processes |
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C02F 3/04
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Aerobic processes using trickle filters |
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C02F 3/06
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Aerobic processes using submerged filters |
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C02F 3/08
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Aerobic processes using moving contact bodies |
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C02F 3/10
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Packings; Fillings; Grids |
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C02F 3/12
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Activated sludge processes |
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C02F 3/14
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Activated sludge processes using surface aeration |
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C02F 3/16
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Activated sludge processes using surface aeration the aerator having a vertical axis |
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C02F 3/18
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Activated sludge processes using surface aeration the aerator having a horizontal axis |
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C02F 3/20
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Activated sludge processes using diffusers |
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C02F 3/22
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Activated sludge processes using circulation pipes |
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C02F 3/24
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Activated sludge processes using free-fall aeration or spraying |
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C02F 3/26
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Activated sludge processes using pure oxygen or oxygen-rich gas |
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C02F 3/28
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Anaerobic digestion processes |
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C02F 3/30
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Aerobic and anaerobic processes |
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C02F 3/32
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Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae |
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C02F 3/34
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Biological treatment of water, waste water, or sewage characterised by the microorganisms used |
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C02F 5/00
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Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents |
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C02F 5/02
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Softening water by precipitation of the hardness |
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C02F 5/04
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Softening water by precipitation of the hardness using phosphates |
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C02F 5/06
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Softening water by precipitation of the hardness using calcium compounds |
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C02F 5/08
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Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents |
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C02F 5/10
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Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances |
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C02F 5/12
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Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen |
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C02F 5/14
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Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus |
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C02F 7/00
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Aeration of stretches of water |
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C02F 9/00
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Multistage treatment of water, waste water or sewage |
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C02F 9/02
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Multistep treatment of water, waste water or sewage involving a separation step |
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C02F 9/04
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Multistep treatment of water, waste water or sewage at least one step being a chemical treatment |
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C02F 9/06
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Electrochemical treatment |
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C02F 9/08
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Multistep treatment of water, waste water or sewage at least one step being a physical treatment |
|
C02F 9/10
|
Thermal treatment |
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C02F 9/12
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Irradiation or treatment with electric or magnetic fields |
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C02F 9/14
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Multistep treatment of water, waste water or sewage at least one step being a biological treatment |
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C02F 9/20
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Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems |
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C02F 11/00
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Treatment of sludge; Devices therefor |
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C02F 11/02
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Biological treatment |
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C02F 11/04
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Anaerobic treatment; Production of methane by such processes |
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C02F 11/06
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Treatment of sludge; Devices therefor by oxidation |
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C02F 11/08
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Wet air oxidation |
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C02F 11/10
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Treatment of sludge; Devices therefor by pyrolysis |
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C02F 11/12
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Treatment of sludge; Devices therefor by de-watering, drying or thickening |
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C02F 11/13
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Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating |
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C02F 11/14
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Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents |
|
C02F 11/15
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Treatment of sludge; Devices therefor by de-watering, drying or thickening by treatment with ultrasonic waves |
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C02F 11/16
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Treatment of sludge; Devices therefor by de-watering, drying or thickening using drying or composting beds |
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C02F 11/18
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Treatment of sludge; Devices therefor by thermal conditioning |
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C02F 11/20
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Treatment of sludge; Devices therefor by thermal conditioning by freezing |
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C02F 11/121
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Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering |
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C02F 11/122
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Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses |
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C02F 11/123
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Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters |
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C02F 11/125
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Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters |
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C02F 11/126
|
Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using drum filters |
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C02F 11/127
|
Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation |
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C02F 11/128
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Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using batch processes |
|
C02F 11/131
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Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating using electromagnetic or ultrasonic waves |
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C02F 11/143
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Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances |
|
C02F 11/145
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Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using inorganic substances using calcium compounds |
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C02F 11/147
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Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents using organic substances |
|
C02F 11/148
|
Combined use of inorganic and organic substances, being added in the same treatment step |
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C02F 101/00
|
Nature of the contaminant |
|
C02F 101/10
|
Inorganic compounds |
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C02F 101/12
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Halogens or halogen-containing compounds |
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C02F 101/14
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Fluorine or fluorine-containing compounds |
|
C02F 101/16
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Nitrogen compounds, e.g. ammonia |
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C02F 101/18
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Cyanides |
|
C02F 101/20
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Heavy metals or heavy metal compounds |
|
C02F 101/22
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Chromium or chromium compounds, e.g. chromates |
|
C02F 101/30
|
Organic compounds |
|
C02F 101/32
|
Hydrocarbons, e.g. oil |
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C02F 101/34
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Organic compounds containing oxygen |
|
C02F 101/36
|
Organic compounds containing halogen |
|
C02F 101/38
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Organic compounds containing nitrogen |
|
C02F 103/00
|
Nature of the water, waste water, sewage or sludge to be treated |
|
C02F 103/02
|
Non-contaminated water, e.g. for industrial water supply |
|
C02F 103/04
|
Non-contaminated water, e.g. for industrial water supply for obtaining pure or ultra-pure water |
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C02F 103/06
|
Contaminated groundwater or leachate |
|
C02F 103/08
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Seawater, e.g. for desalination |
|
C02F 103/10
|
Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities |
|
C02F 103/12
|
Nature of the water, waste water, sewage or sludge to be treated from the silicate or ceramic industries, e.g. waste waters from cement or glass factories |
|
C02F 103/14
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Paint wastes |
|
C02F 103/16
|
Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes |
|
C02F 103/18
|
Nature of the water, waste water, sewage or sludge to be treated from the wet purification of gaseous effluents |
|
C02F 103/20
|
Nature of the water, waste water, sewage or sludge to be treated from animal husbandry |
|
C02F 103/22
|
Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof |
|
C02F 103/24
|
Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof from tanneries |
|
C02F 103/26
|
Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof |
|
C02F 103/28
|
Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry |
|
C02F 103/30
|
Nature of the water, waste water, sewage or sludge to be treated from the textile industry |
|
C02F 103/32
|
Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters |
|
C02F 103/34
|
Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups |
|
C02F 103/36
|
Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups from the manufacture of organic compounds |
|
C02F 103/38
|
Polymers |
|
C02F 103/40
|
Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups from the manufacture or use of photosensitive materials |
|
C02F 103/42
|
Nature of the water, waste water, sewage or sludge to be treated from bathing facilities, e.g. swimming pools |
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C02F 103/44
|
Nature of the water, waste water, sewage or sludge to be treated from vehicle washing facilities |
