IPC-Stelle: C02F 1/68 [Version 7 (gültig ab 01.2000)]

SymbolTypTitel
CSKCHEMISTRY; METALLURGY
C02KLTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (settling tanks, filtering, e.g. sand filters or screening devices, B01D)
C02FUKLTREATMENT 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) [3]
C02F 1/00HGRTreatment of water, waste water, or sewage (C02F 3/00 to C02F 9/00 take precedence) [3]
C02F 1/02UGR1
.by heating (methods of steam generation F22B; preheating boiler feed-water or accumulating preheated boiler feed-water F22D) [3]
C02F 1/04UGR2
. .by distillation or evaporation [3]
C02F 1/06UGR3
. . .Flash evaporation [3]
C02F 1/08UGR3
. . .Thin film evaporation [3]
C02F 1/10UGR3
. . .by direct contact with a particulate solid or with a fluid, as a heat transfer medium [3]
C02F 1/12UGR4
. . . .Spray evaporation [3]
C02F 1/14UGR3
. . .using solar energy [3]
C02F 1/16UGR3
. . .using waste heat from other processes [3]
C02F 1/18UGR3
. . .Transportable devices to obtain potable water [3]
C02F 1/20UGR1
.by degassing, i.e. liberation of dissolved gases (degasification of liquids in general B01D 19/00; arrangement of degassing apparatus in boiler feed supply F22D) [3]
C02F 1/22UGR1
.by freezing [3]
C02F 1/24UGR1
.by flotation (C02F 1/465 takes precedence) [3, 5]
C02F 1/26UGR1
.by extraction [3]
C02F 1/28UGR1
.by sorption (using ion-exchange C02F 1/42; sorbent compositions B01J) [3]
C02F 1/30UGR1
.by irradiation [3]
C02F 1/32UGR2
. .with ultra-violet light [3]
C02F 1/34UGR1
.with mechanical oscillations [3]
C02F 1/36UGR2
. .ultrasonic vibrations [3]
C02F 1/38UGR1
.by centrifugal separation [3]
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 , e.g. for use in drains leading to the sewer E03F 5/16) [3, 5]
C02F 1/42UGR1
.by ion-exchange (ion-exchange in general B01J) [3]
C02F 1/44UGR1
.by dialysis, osmosis or reverse osmosis [3]
C02F 1/46UGR1
.by electrochemical methods [3, 5]
C02F 1/461UGR2
. .by electrolysis [5]
C02F 1/463UGR3
. . .by electrocoagulation [5]
C02F 1/465UGR3
. . .by electroflotation [5]
C02F 1/467UGR3
. . .by electrochemical disinfection [5]
C02F 1/469UGR2
. .by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis [5]
C02F 1/48UGR1
.with magnetic or electric fields (C02F 1/46 takes precedence) [3]
C02F 1/50UGR1
.by addition or application of a germicide or by oligodynamic treatment (C02F 1/467 takes precedence) [3, 5]
C02F 1/52UGR1
.by flocculation or precipitation of suspended impurities [3]
C02F 1/54UGR2
. .using organic material [3]
C02F 1/56UGR3
. . .Macromolecular compounds [3]
C02F 1/58UGR1
.by removing specified dissolved compounds (using ion-exchange C02F 1/42; softening water C02F 5/00) [3]
C02F 1/60UGR2
. .Silicon compounds [3]
C02F 1/62UGR2
. .Heavy metal compounds [3]
C02F 1/64UGR3
. . .of iron or manganese [3]
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]
C02F 1/68UGR1
.by addition of specified substances, e.g. trace elements, for ameliorating potable water (medicinal water A61K) [3]
C02F 1/70UGR1
.by reduction [3]
C02F 1/72UGR1
.by oxidation [3]
C02F 1/74UGR2
. .with air (aeration of stretches of water C02F 7/00) [3]
C02F 1/76UGR2
. .with halogens or compounds of halogens [3]
C02F 1/78UGR2
. .with ozone [3]
C02F 3/00HGRBiological treatment of water, waste water, or sewage [3]
C02F 3/02UGR1
.Aerobic processes [3]
C02F 3/04UGR2
. .using trickle filters [3]
C02F 3/06UGR2
. .using submerged filters [3]
C02F 3/08UGR2
. .using moving contact bodies [3]
C02F 3/10UGR2
. .Packings; Fillings; Grids (packing elements in general B01J 19/30 , B01J 19/32) [3]
C02F 3/12UGR2
. .Activated sludge processes [3]
C02F 3/14UGR3
. . .using surface aeration [3]
C02F 3/16UGR4
. . . .the aerator having a vertical axis [3]
C02F 3/18UGR4
. . . .the aerator having a horizontal axis [3]
C02F 3/20UGR3
. . .using diffusers [3]
C02F 3/22UGR3
. . .using circulation pipes [3]
C02F 3/24UGR3
. . .using free-fall aeration or spraying [3]
C02F 3/26UGR3
. . .using pure oxygen or oxygen-rich gas [3]
C02F 3/28UGR1
.Anaerobic digestion processes [3]
C02F 3/30UGR1
.Aerobic and anaerobic processes [3]
C02F 3/32UGR1
.characterised by the animals or plants used, e.g. algae [3]
C02F 3/34UGR1
.characterised by the micro-organisms used [3]
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]
C02F 5/02UGR1
.Softening water by precipitation of the hardness [3]
C02F 5/04UGR2
. .using phosphates (C02F 5/06 takes precedence) [3]
C02F 5/06UGR2
. .using calcium compounds [3]
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]
C02F 5/10UGR2
. .using organic substances [3]
C02F 5/12UGR3
. . .containing nitrogen (C02F 5/14 takes precedence) [3]
C02F 5/14UGR3
. . .containing phosphorus [3]
C02F 7/00HGRAeration of stretches of water [3]
C02F 9/00HGRMultistep treatment of water, waste water or sewage [3]
C02F 9/02UGR1
.involving a separation step [7]
C02F 9/04UGR1
.at least one step being a chemical treatment [7]
C02F 9/06UGR2
. .Electrochemical treatment [7]
C02F 9/08UGR1
.at least one step being a physical treatment [7]
C02F 9/10UGR2
. .Thermal treatment [7]
C02F 9/12UGR2
. .Irradiation or treatment with electric or magnetic fields [7]
C02F 9/14UGR1
.at least one step being a biological treatment [7]
C02F 11/00HGRTreatment of sludge; Devices therefor [3]
C02F 11/02UGR1
.Biological treatment [3]
C02F 11/04UGR2
. .Anaerobic treatment; Production of methane by such processes [3]
C02F 11/06UGR1
.by oxidation (incinerators or other apparatus for burning waste liquors, e.g. sulfite liquor from paper-making plant, F23G 7/04) [3]
C02F 11/08UGR2
. .Wet air oxidation [3]
C02F 11/10UGR1
.by pyrolysis [3]
C02F 11/12UGR1
.by de-watering, drying, or thickening [3]
C02F 11/14UGR2
. .with addition of chemical agents [3]
C02F 11/16UGR2
. .using drying or composting beds [3]
C02F 11/18UGR1
.by thermal conditioning (by pyrolysis C02F 11/10) [3]
C02F 11/20UGR2
. .by freezing [3]
C02F 101/00ZWIndexing scheme associated with groups C02F 1/00 to C02F 11/00 relating to the nature of the contaminant in the water, waste water, sewage or sludge. The indexing codes should be linked. [7]
C02F 101/00HGRNature of the contaminant [7]
C02F 101/10UGR1
.Inorganic compounds [7]
C02F 101/12UGR2
. .Halogens or halogen-containing compounds [7]
C02F 101/14UGR3
. . .Fluorine or fluorine-containing compounds [7]
C02F 101/16UGR2
. .Nitrogen compounds, e.g. ammonia [7]
C02F 101/18UGR3
. . .Cyanides [7]
C02F 101/20UGR2
. .Heavy metals or heavy metal compounds [7]
C02F 101/22UGR3
. . .Chromium or chromium compounds, e.g. chromates [7]
C02F 101/30UGR1
.Organic compounds [7]
C02F 101/32UGR2
. .Hydrocarbons, e.g. oil [7]
C02F 101/34UGR2
. .containing oxygen [7]
C02F 101/36UGR2
. .containing halogen [7]
C02F 101/38UGR2
. .containing nitrogen [7]
C02F 103/00ZWIndexing scheme associated with groups C02F 1/00 to C02F 11/00 , relating to the nature of the water, waste water, sewage or sludge to be treated. The indexing codes should be unlinked. [7]
C02F 103/00HGRNature of the water, waste water, sewage or sludge to be treated [7]
C02F 103/02UGR1
.Non-contaminated water, e.g. for industrial water supply [7]
C02F 103/04UGR2
. .for obtaining pure or ultra-pure water [7]
C02F 103/06UGR1
.Contaminated groundwater or leachate [7]
C02F 103/08UGR1
.Seawater, e.g. for desalination [7]
C02F 103/10UGR1
.from quarries or from mining activities [7]
C02F 103/12UGR1
.from the silicate or ceramic industries, e.g. waste waters from cement or glass factories [7]
C02F 103/14UGR1
.Paint wastes [7]
C02F 103/16UGR1
.from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes [7]
C02F 103/18UGR1
.from the wet purification of gaseous effluents [7]
C02F 103/20UGR1
.from animal husbandry [7]
C02F 103/22UGR1
.from the processing of animals, e.g. poultry, fish, or parts thereof [7]
C02F 103/24UGR2
. .from tanneries [7]
C02F 103/26UGR1
.from the processing of plants or parts thereof [7]
C02F 103/28UGR2
. .from the paper or cellulose industry [7]
C02F 103/30UGR1
.from the textile industry [7]
C02F 103/32UGR1
.from the food or foodstuff industry, e.g. brewery waste waters [7]
C02F 103/34UGR1
.from the chemical industry not provided for in groups C02F 103/12 to C02F 103/32 [7]
C02F 103/36UGR2
. .from the manufacture of organic compounds [7]
C02F 103/38UGR3
. . .Polymers [7]
C02F 103/40UGR2
. .from the manufacture or use of photosensitive materials [7]
C02F 103/42UGR1
.from bathing facilities, e.g. swimming pools [7]
C02F 103/44UGR1
.from vehicle washing facilities [7]