IPC-Stelle: C02F 3/18 [Version 2017.01]

SymbolTypTitel
CSKCHEMISTRY; METALLURGY
C02KLTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02FUKLTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances A62D 3/00; separation, settling tanks or filter devices  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) [3]
C02F 1/00HGRTreatment of water, waste water, or sewage (C02F 3/00-C02F 9/00 take precedence) [3, 2006.01]
C02F 1/02UGR1
.by heating [3, 2006.01]
C02F 1/04UGR2
. .by distillation or evaporation [3, 2006.01]
C02F 1/06UGR3
. . .Flash evaporation [3, 2006.01]
C02F 1/08UGR3
. . .Thin film evaporation [3, 2006.01]
C02F 1/10UGR3
. . .by direct contact with a particulate solid or with a fluid, as a heat transfer medium [3, 2006.01]
C02F 1/12UGR4
. . . .Spray evaporation [3, 2006.01]
C02F 1/14UGR3
. . .using solar energy [3, 2006.01]
C02F 1/16UGR3
. . .using waste heat from other processes [3, 2006.01]
C02F 1/18UGR3
. . .Transportable devices to obtain potable water [3, 2006.01]
C02F 1/20UGR1
.by degassing, i.e. liberation of dissolved gases [3, 2006.01]
C02F 1/22UGR1
.by freezing [3, 2006.01]
C02F 1/24UGR1
.by flotation (C02F 1/465 takes precedence) [3, 5, 2006.01]
C02F 1/26UGR1
.by extraction [3, 2006.01]
C02F 1/28UGR1
.by sorption (using ion-exchange C02F 1/42; sorbent compositions B01J) [3, 2006.01]
C02F 1/30UGR1
.by irradiation [3, 2006.01]
C02F 1/32UGR2
. .with ultra-violet light [3, 2006.01]
C02F 1/34UGR1
.with mechanical oscillations [3, 2006.01]
C02F 1/36UGR2
. .ultrasonic vibrations [3, 2006.01]
C02F 1/38UGR1
.by centrifugal separation [3, 2006.01]
C02F 1/40UGR1
.Devices for separating or removing fatty or oily substances or similar floating material (cleaning or keeping clear the surface of open water from oil or like materials E02B 15/04; devices in sewers for separating liquid or solid substances from sewage E03F 5/14) [3, 5, 2006.01]
C02F 1/42UGR1
.by ion-exchange [3, 2006.01]
C02F 1/44UGR1
.by dialysis, osmosis or reverse osmosis [3, 2006.01]
C02F 1/46UGR1
.by electrochemical methods [3, 5, 2006.01]
C02F 1/461UGR2
. .by electrolysis [5, 2006.01]
C02F 1/463UGR3
. . .by electrocoagulation [5, 2006.01]
C02F 1/465UGR3
. . .by electroflotation [5, 2006.01]
C02F 1/467UGR3
. . .by electrochemical disinfection [5, 2006.01]
C02F 1/469UGR2
. .by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis [5, 2006.01]
C02F 1/48UGR1
.with magnetic or electric fields (C02F 1/46 takes precedence) [3, 2006.01]
C02F 1/50UGR1
.by addition or application of a germicide or by oligodynamic treatment (C02F 1/467 takes precedence) [3, 5, 2006.01]
C02F 1/52UGR1
.by flocculation or precipitation of suspended impurities [3, 2006.01]
C02F 1/54UGR2
. .using organic material [3, 2006.01]
C02F 1/56UGR3
. . .Macromolecular compounds [3, 2006.01]
C02F 1/58UGR1
.by removing specified dissolved compounds (using ion-exchange C02F 1/42; softening water C02F 5/00) [3, 2006.01]
C02F 1/60UGR2
. .Silicon compounds [3, 2006.01]
C02F 1/62UGR2
. .Heavy metal compounds [3, 2006.01]
C02F 1/64UGR3
. . .of iron or manganese [3, 2006.01]
C02F 1/66UGR1
.by neutralisation; pH adjustment (for degassing C02F 1/20; using ion-exchange C02F 1/42; for flocculation or precipitation of suspended impurities C02F 1/52; for removing dissolved compounds C02F 1/58) [3, 2006.01]
C02F 1/68UGR1
.by addition of specified substances, e.g. trace elements, for ameliorating potable water [3, 2006.01]
C02F 1/70UGR1
.by reduction [3, 2006.01]
C02F 1/72UGR1
.by oxidation [3, 2006.01]
C02F 1/74UGR2
. .with air (aeration of stretches of water C02F 7/00) [3, 2006.01]
C02F 1/76UGR2
. .with halogens or compounds of halogens [3, 2006.01]
C02F 1/78UGR2
. .with ozone [3, 2006.01]
C02F 3/00HGRBiological treatment of water, waste water, or sewage [3, 2006.01]
C02F 3/02UGR1
.Aerobic processes [3, 2006.01]
C02F 3/04UGR2
. .using trickle filters [3, 2006.01]
C02F 3/06UGR2
. .using submerged filters [3, 2006.01]
C02F 3/08UGR2
. .using moving contact bodies [3, 2006.01]
C02F 3/10UGR2
. .Packings; Fillings; Grids [3, 2006.01]
C02F 3/12UGR2
. .Activated sludge processes [3, 2006.01]
C02F 3/14UGR3
. . .using surface aeration [3, 2006.01]
C02F 3/16UGR4
. . . .the aerator having a vertical axis [3, 2006.01]
C02F 3/18UGR4
. . . .the aerator having a horizontal axis [3, 2006.01]
C02F 3/20UGR3
. . .using diffusers [3, 2006.01]
C02F 3/22UGR3
. . .using circulation pipes [3, 2006.01]
C02F 3/24UGR3
. . .using free-fall aeration or spraying [3, 2006.01]
C02F 3/26UGR3
. . .using pure oxygen or oxygen-rich gas [3, 2006.01]
C02F 3/28UGR1
.Anaerobic digestion processes [3, 2006.01]
C02F 3/30UGR1
.Aerobic and anaerobic processes [3, 2006.01]
C02F 3/32UGR1
.characterised by the animals or plants used, e.g. algae [3, 2006.01]
C02F 3/34UGR1
.characterised by the microorganisms used [3, 2006.01]
C02F 5/00HGRSoftening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents (softening using ion-exchange C02F 1/42) [3, 2006.01]
C02F 5/02UGR1
.Softening water by precipitation of the hardness [3, 2006.01]
C02F 5/04UGR2
. .using phosphates (C02F 5/06 takes precedence) [3, 2006.01]
C02F 5/06UGR2
. .using calcium compounds [3, 2006.01]
C02F 5/08UGR1
.Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents [3, 2006.01]
C02F 5/10UGR2
. .using organic substances [3, 2006.01]
C02F 5/12UGR3
. . .containing nitrogen (C02F 5/14 takes precedence) [3, 2006.01]
C02F 5/14UGR3
. . .containing phosphorus [3, 2006.01]
C02F 7/00HGRAeration of stretches of water [3, 2006.01]
C02F 9/00HGRMultistep treatment of water, waste water or sewage [3, 2006.01]
C02F 9/02UGR1
.involving a separation step [7, 2006.01]
C02F 9/04UGR1
.at least one step being a chemical treatment [7, 2006.01]
C02F 9/06UGR2
. .Electrochemical treatment [7, 2006.01]
C02F 9/08UGR1
.at least one step being a physical treatment [7, 2006.01]
C02F 9/10UGR2
. .Thermal treatment [7, 2006.01]
C02F 9/12UGR2
. .Irradiation or treatment with electric or magnetic fields [7, 2006.01]
C02F 9/14UGR1
.at least one step being a biological treatment [7, 2006.01]
C02F 11/00HGRTreatment of sludge; Devices therefor [3, 2006.01]
C02F 11/02UGR1
.Biological treatment [3, 2006.01]
C02F 11/04UGR2
. .Anaerobic treatment; Production of methane by such processes [3, 2006.01]
C02F 11/06UGR1
.by oxidation [3, 2006.01]
C02F 11/08UGR2
. .Wet air oxidation [3, 2006.01]
C02F 11/10UGR1
.by pyrolysis [3, 2006.01]
C02F 11/12UGR1
.by de-watering, drying, or thickening [3, 2006.01]
C02F 11/14UGR2
. .with addition of chemical agents [3, 2006.01]
C02F 11/16UGR2
. .using drying or composting beds [3, 2006.01]
C02F 11/18UGR1
.by thermal conditioning (by pyrolysis C02F 11/10) [3, 2006.01]
C02F 11/20UGR2
. .by freezing [3, 2006.01]
C02F 101/00ZWIndexing scheme associated with groups C02F 1/00-C02F 11/00 relating to the nature of the contaminant in the water, waste water, sewage or sludge. [7]
C02F 101/00HGRNature of the contaminant [7, 2006.01]
C02F 101/10UGR1
.Inorganic compounds [7, 2006.01]
C02F 101/12UGR2
. .Halogens or halogen-containing compounds [7, 2006.01]
C02F 101/14UGR3
. . .Fluorine or fluorine-containing compounds [7, 2006.01]
C02F 101/16UGR2
. .Nitrogen compounds, e.g. ammonia [7, 2006.01]
C02F 101/18UGR3
. . .Cyanides [7, 2006.01]
C02F 101/20UGR2
. .Heavy metals or heavy metal compounds [7, 2006.01]
C02F 101/22UGR3
. . .Chromium or chromium compounds, e.g. chromates [7, 2006.01]
C02F 101/30UGR1
.Organic compounds [7, 2006.01]
C02F 101/32UGR2
. .Hydrocarbons, e.g. oil [7, 2006.01]
C02F 101/34UGR2
. .containing oxygen [7, 2006.01]
C02F 101/36UGR2
. .containing halogen [7, 2006.01]
C02F 101/38UGR2
. .containing nitrogen [7, 2006.01]
C02F 103/00ZWIndexing scheme associated with groups C02F 1/00-C02F 11/00, relating to the nature of the water, waste water, sewage or sludge to be treated. [7]
C02F 103/00HGRNature of the water, waste water, sewage or sludge to be treated [7, 2006.01]
C02F 103/02UGR1
.Non-contaminated water, e.g. for industrial water supply [7, 2006.01]
C02F 103/04UGR2
. .for obtaining pure or ultra-pure water [7, 2006.01]
C02F 103/06UGR1
.Contaminated groundwater or leachate [7, 2006.01]
C02F 103/08UGR1
.Seawater, e.g. for desalination [7, 2006.01]
C02F 103/10UGR1
.from quarries or from mining activities [7, 2006.01]
C02F 103/12UGR1
.from the silicate or ceramic industries, e.g. waste waters from cement or glass factories [7, 2006.01]
C02F 103/14UGR1
.Paint wastes [7, 2006.01]
C02F 103/16UGR1
.from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes [7, 2006.01]
C02F 103/18UGR1
.from the wet purification of gaseous effluents [7, 2006.01]
C02F 103/20UGR1
.from animal husbandry [7, 2006.01]
C02F 103/22UGR1
.from the processing of animals, e.g. poultry, fish, or parts thereof [7, 2006.01]
C02F 103/24UGR2
. .from tanneries [7, 2006.01]
C02F 103/26UGR1
.from the processing of plants or parts thereof [7, 2006.01]
C02F 103/28UGR2
. .from the paper or cellulose industry [7, 2006.01]
C02F 103/30UGR1
.from the textile industry [7, 2006.01]
C02F 103/32UGR1
.from the food or foodstuff industry, e.g. brewery waste waters [7, 2006.01]
C02F 103/34UGR1
.from the chemical industry not provided for in groups C02F 103/12-C02F 103/32 [7, 2006.01]
C02F 103/36UGR2
. .from the manufacture of organic compounds [7, 2006.01]
C02F 103/38UGR3
. . .Polymers [7, 2006.01]
C02F 103/40UGR2
. .from the manufacture or use of photosensitive materials [7, 2006.01]
C02F 103/42UGR1
.from bathing facilities, e.g. swimming pools [7, 2006.01]
C02F 103/44UGR1
.from vehicle washing facilities [7, 2006.01]