B03DFLOTATIONDIFFERENTIAL SEDIMENTATION sedimentation in general B01D21/00; in combination with other separation of solids B03B; sink-float separation B03B5/28; detergents, soaps C11DIn this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. B03D1/00 B03D1/00Flotation conditioning for flotation, general arrangement of plan B03B B03D1/001Flotation agents conditioners B03B1/00In this group, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place.In this group, it is desirable to add the appropriate indexing code(s) from each of groups B03D2201/00 or B03D2203/00. B03D1/002Inorganic compounds B03D1/004Organic compounds B03D1/0043modified so as to contain a polyether group B03D1/0046containing silicon B03D1/006Hydrocarbons B03D1/008containing oxygen B03D1/01containing nitrogen B03D1/011Quaternary ammonium compounds B03D1/012containing sulfur B03D1/014containing phosphorus B03D1/016Macromolecular compounds B03D1/018Mixtures of inorganic and organic compounds B03D1/02Froth-flotation processes B03D1/021for treatment of phosphate ores B03D1/023Carrier flotation; Flotation of a carrier material to which the target material attaches B03D1/025adapted for the flotation of fines B03D1/026Using an immiscible liquid in place of a gas for flotation B03D1/028Control and monitoring of flotation processes; computer models therefor B03D1/04by varying ambient atmospheric pressure B03D1/06differential B03D1/08Subsequent treatment of concentrated product froth dispersion B01D19/02 B03D1/082of the froth product, e.g. washing B03D1/085of the feed, e.g. conditioning, de-sliming B03D1/087of the sediment, e.g. regrinding B03D1/10Removing adhering liquid from separated materials processes or devices capable of general use B01D B03D1/12Agent recovery B03D1/14Flotation machines devices for feeding measured quantities of reagents B01J4/02; flotation apparatus for enzymology or microbiology C12M1/09 B03D1/1406with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another B03D1/1412with baffles, e.g. at the wall for redirecting settling solids B03D1/1418using centrifugal forces B03D1/1425air-sparged hydrocyclones B03D1/1431Dissolved air flotation machines B03D1/1437using electroflotation waste water treatment using electroflotation C02F1/465 B03D1/1443Feed or discharge mechanisms for flotation tanks B03D1/145Feed mechanisms for reagents devices for feeding measured quantities of reagents B01J4/02 B03D1/1456Feed mechanisms for the slurry B03D1/1462Discharge mechanisms for the froth B03D1/1468Discharge mechanisms for the sediments B03D1/1475Flotation tanks having means for discharging the pulp, e.g. as a bleed stream B03D1/1481with a plurality of parallel plates B03D1/1487Means for cleaning or maintenance B03D1/1493with means for establishing a specified flow pattern B03D1/16with impellersSubaeration machines mixing gases or vapours with liquids B01F23/20 B03D1/18without air supply B03D1/20with internal air pumps B03D1/22with external blowers B03D1/24Pneumatic mixing gases or vapours with liquids B01F23/20 B03D1/242Nozzles for injecting gas into the flotation tank B03D1/245Injecting gas through perforated or porous area B03D1/247Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type B03D1/26Air lift machines B03D3/00Differential sedimentation B03D3/02Coagulation B03D3/04assisted by vibrations B03D3/06Flocculation B03D2201/00 B03D2201/00Specified effects produced by the flotation agents use of substances as emulsifying, wetting, dispersing or foam-producing agents C09K23/00 B03D2201/002Coagulants and Flocculants B03D2201/005Dispersants B03D2201/007Modifying reagents for adjusting pH or conductivity B03D2201/02Collectors B03D2201/04Frothers B03D2201/06Depressants B03D2203/00Specified materials treated by the flotation agentsspecified applications paper pulp processing D21F1/70, de-inking of paper pulp D21B1/325 B03D2203/001Agricultural products, food, biogas, algae B03D2203/003Biotechnological applications, e.g. separation or purification of enzymes, hormones, vitamins, viruses B03D2203/005Fine and commodity chemicals B03D2203/006Oil well fluids, oil sands, bitumen B03D2203/008Water purification, e.g. for process water recycling waste water treatment C02F1/24 B03D2203/02Ores B03D2203/025Precious metal ores B03D2203/04Non-sulfide ores B03D2203/06Phosphate ores B03D2203/08Coal ores, fly ash or soot B03D2203/10Potassium ores