WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

B03D　FLOTATION; DIFFERENTIAL SEDIMENTATION (sedimentation in general B01D 21/00; in combination with other separation of solids B03B; sink-float separation B03B 5/28; detergents, soaps C11D)

B03D 1/00 Flotation (conditioning for flotation, general arrangement of plan B03B)

B03D 1/001 ・Flotation agents (conditioners B03B 1/00)

B03D 1/002 ・・Inorganic compounds

B03D 1/004 ・・Organic compounds

B03D 1/0043 ・・・{modified so as to contain a polyether group}

B03D 1/0046 ・・・{containing silicon}

B03D 1/006 ・・・Hydrocarbons

B03D 1/008 ・・・containing oxygen

B03D 1/01 ・・・containing nitrogen

B03D 1/011 ・・・・{Quaternary ammonium compounds}

B03D 1/012 ・・・containing sulfur

B03D 1/014 ・・・containing phosphorus

B03D 1/016 ・・・Macromolecular compounds

B03D 1/018 ・・Mixtures of inorganic and organic compounds

B03D 1/02 ・Froth-flotation processes

B03D 1/021 ・・{for treatment of phosphate ores}

B03D 1/023 ・・{Carrier flotation; Flotation of a carrier material to which the target material attaches}

B03D 1/025 ・・{adapted for the flotation of fines}

B03D 1/026 ・・{Using an immiscible liquid in place of a gas for flotation}

B03D 1/028 ・・{Control and monitoring of flotation processes; computer models therefor}

B03D 1/04 ・・by varying ambient atmospheric pressure

B03D 1/06 ・・differential

B03D 1/08 ・Subsequent treatment of concentrated product (froth dispersion B01D 19/02)

B03D 1/082 ・・{of the froth product, e.g. washing}

B03D 1/085 ・・{of the feed, e.g. conditioning, de-sliming}

B03D 1/087 ・・{of the sediment, e.g. regrinding}

B03D 1/10 ・・Removing adhering liquid from separated materials (processes or devices capable of general use B01D)

B03D 1/12 ・Agent recovery

B03D 1/14 ・Flotation machines (devices for feeding measured quantities of reagents B01J 4/02; flotation apparatus for enzymology or microbiology C12M 1/09)

B03D 1/1406 ・・{with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another}

B03D 1/1412 ・・{with baffles, e.g. at the wall for redirecting settling solids}

B03D 1/1418 ・・{using centrifugal forces}

B03D 1/1425 ・・・{air-sparged hydrocyclones}

B03D 1/1431 ・・{Dissolved air flotation machines}

B03D 1/1437 ・・{using electroflotation (waste water treatment using electroflotation C02F 1/465)}

B03D 1/1443 ・・{Feed or discharge mechanisms for flotation tanks}

B03D 1/145 ・・・{Feed mechanisms for reagents (devices for feeding measured quantities of reagents B01J 4/02)}

B03D 1/1456 ・・・{Feed mechanisms for the slurry}

B03D 1/1462 ・・・{Discharge mechanisms for the froth}

B03D 1/1468 ・・・{Discharge mechanisms for the sediments}

B03D 1/1475 ・・・{Flotation tanks having means for discharging the pulp, e.g. as a bleed stream}

B03D 1/1481 ・・{with a plurality of parallel plates}

B03D 1/1487 ・・{Means for cleaning or maintenance}

B03D 1/1493 ・・{with means for establishing a specified flow pattern}

B03D 1/16 ・・with impellers; Subaeration machines {(mixing gases or vapours with liquids B01F 3/04)}

B03D 1/18 ・・・without air supply

B03D 1/20 ・・・with internal air pumps

B03D 1/22 ・・・with external blowers

B03D 1/24 ・・Pneumatic {(mixing gases or vapours with liquids B01F 3/04)}

B03D 1/242 ・・・{Nozzles for injecting gas into the flotation tank}

B03D 1/245 ・・・{Injecting gas through perforated or porous area}

B03D 1/247 ・・・{Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type}

B03D 1/26 ・・・Air lift machines

B03D 3/00 Differential sedimentation

B03D 3/02 ・Coagulation

B03D 3/04 ・・assisted by vibrations

B03D 3/06 ・Flocculation

B03D 2201/00 Specified effects produced by the flotation agents (use of substances as emulsifying, wetting, dispersing or foam-producing agents B01F 17/00)

B03D 2201/002 ・Coagulants and Flocculants

B03D 2201/005 ・Dispersants

B03D 2201/007 ・Modifying reagents for adjusting pH or conductivity

B03D 2201/02 ・Collectors

B03D 2201/04 ・Frothers

B03D 2201/06 ・Depressants

B03D 2203/00 Specified materials treated by the flotation agents; specified applications (paper pulp processing D21F 1/70, de-inking of paper pulp D21B 1/325)

B03D 2203/001 ・Agricultural products, food, biogas, algae

B03D 2203/003 ・Biotechnological applications, e.g. separation or purification of enzymes, hormones, vitamins, viruses

B03D 2203/005 ・Fine and commodity chemicals

B03D 2203/006 ・Oil well fluids, oil sands, bitumen

B03D 2203/008 ・Water purification, e.g. for process water recycling (waste water treatment C02F 1/24)

B03D 2203/02 ・Ores

B03D 2203/025 ・・Precious metal ores

B03D 2203/04 ・・Non-sulfide ores

B03D 2203/06 ・・・Phosphate ores

B03D 2203/08 ・・・Coal ores, fly ash or soot

B03D 2203/10 ・・・Potassium ores