| Patents for B03D 1 - Flotation (8,101) |
|---|
| 06/21/1988 | CA1238430A1 Flotation separation of pentlandite from pyrrhotite using sulfur dioxide-air conditioning |
| 06/15/1988 | EP0271427A2 Pressurized flotation module and method for pressurized foam separation |
| 06/15/1988 | EP0270986A2 Alkylsulfosuccinates based on propoxylated as well as propoxylated and ethoxylated fatty alcohols as collectors for non-sulfidic mineral flotation |
| 06/15/1988 | EP0270933A2 Surfactant mixtures as collectors for the flotation of non-sulfidic minerals |
| 06/15/1988 | CN87107281A Surfactant mixtures as collectors for flotation of non-sulfidic ores |
| 06/15/1988 | CN87107280A N-alkyl and n-alkenyl aspartic acids as co-collectors for flotation of non-sulfidic ores |
| 06/15/1988 | CN87107119A Using mixed collector as flotation agent of non-sulfidic ores, particularly, of cassiterite |
| 06/14/1988 | US4750994 Flotation apparatus |
| 06/14/1988 | CA1237929A1 Flotation apparatus for flotation of fibrous stock suspension recovered from waste paper |
| 06/08/1988 | EP0270018A2 Use of N-alkyl and N-alkenyl-aspartic acids as co-collectors for the flotation of non-sulfidic minerals |
| 06/08/1988 | EP0269897A1 Device for aerating liquids, particularly for a flotation |
| 06/02/1988 | WO1988003838A1 Device for aerating fluids, in particular during flotation |
| 05/31/1988 | US4747941 Increased reduction of magnesium content by use of inorganic promoters during beneficiation of phosphate ores by flotation |
| 05/31/1988 | US4747940 Mixing solids containing minerals, aerating pulp to produce froth and recovering minerals |
| 05/25/1988 | CN87208187U Deink floatation machine for waste paper |
| 05/25/1988 | CN87107882A Process of dressing rare earth ore |
| 05/25/1988 | CN86107769A Selective grinding and stage grading process for useful minerals |
| 05/24/1988 | US4746440 Process and apparatus for the separation of emulsions or of solids from a suspension of solids and a liquid by means of pressure or turbo flotation |
| 05/17/1988 | US4744893 Terpolymer of acrylamide, acrylic acid and derivative of acrylamide and/or acrylic acid |
| 05/17/1988 | US4744892 With water soluble iron or aluminum compound and cationic surfactant |
| 05/17/1988 | US4744891 Flotation of apatite from magnatite |
| 05/17/1988 | US4744890 For separating particles from suspension such as coal and mineral ore slurries, centrifugal field |
| 05/11/1988 | EP0267170A1 Treatment of middlings |
| 05/11/1988 | EP0266600A2 Process for preparing magnesium sulphates |
| 05/11/1988 | EP0266599A2 Process for preparing magnesium sulphates |
| 05/11/1988 | CN86107171A The application of lignin calsium sulphomate sulfo-methylation derivat in phosphatic ore floatation |
| 05/10/1988 | US4743408 Continuously injecting air into water; activation,purification flotation; fixed nozzle is circular annular gap to accelerate flow |
| 05/10/1988 | US4743379 Flotation device |
| 04/28/1988 | DE3635642A1 Flotation machine |
| 04/28/1988 | DE3634903A1 Flotation device |
| 04/27/1988 | EP0264690A2 Defoaming method and apparatus therefor |
| 04/21/1988 | DE3634323A1 Method and apparatus for centrifugal separation of a flotation suspension mixture |
| 04/20/1988 | CN86105982A Recovery of copper, gold and silver by vulcanizing-roasting at law temperature-ore dressing |
| 04/19/1988 | US4738784 Flotation device |
| 04/19/1988 | US4738783 Water treatment |
| 04/12/1988 | US4737273 Quarternary ammonium salt, hydrocarbon oi, phosphate depressant |
| 04/12/1988 | US4737272 Separating flotable form non-flotable phase of slurry |
| 04/07/1988 | WO1988002408A1 Method of concentration of difficult-to-concentrate oxidized copper ore |
| 04/05/1988 | USH458 Pressure-reducing spray nozzle and use thereof in a froth flotation method |
| 04/05/1988 | US4735783 Preslurrying with water soluble sulphate, alkali metal silicate, and alkali metal bisulphite |
| 04/05/1988 | US4735711 Novel collectors for the selective froth flotation of mineral sulfides |
| 04/05/1988 | US4735710 Using tall oil fatty acid-based collector |
| 04/05/1988 | US4735709 Method and apparatus for concentration of minerals by froth flotation using dual aeration |
| 03/31/1988 | DE3632310A1 Process for the production of kieserite by flotation |
| 03/30/1988 | EP0261968A2 Improved column flotation method and apparatus |
| 03/30/1988 | EP0261847A2 Separation of matter by flotation |
| 03/30/1988 | EP0261110A1 Flue-gas purifying procedure |
| 03/23/1988 | CN86105760A Branch carrier floatation and agitating tank with perforated baffle |
| 03/22/1988 | US4732669 Conditioner for flotation of coal |
| 03/22/1988 | US4732668 Epithio collectors |
| 03/22/1988 | US4732667 Adding primary amine and nitrogen containing anionic compound as collectors |
| 03/22/1988 | US4732666 Froth flotation |
| 03/15/1988 | US4731176 Control system for froth flotation processes |
| 03/10/1988 | DE3628963A1 Method for fractionating fly ash of a solid-fuel-fired large-scale furnace, having a downstream electrostatic precipitator, in dependence on the C content |
| 03/08/1988 | US4729843 Mixtures of alkyl xanthogen formates and dialkyl thionocarbamates as collectors in froth flotation |
| 03/08/1988 | CA1233830A1 O- and s-(2-mercaptoalkyl)mono- or dihydrocarbyl carbamothioates and s-(2-mercaptoalkyl)mono- or dihydrocarbyl carbamodithioates useful as froth flotation collectors |
| 03/03/1988 | DE3629026A1 Method and apparatus for separating off coarse grain constituents of a salt or salt mixture |
| 02/23/1988 | US4726897 Flotation container or cell |
| 02/23/1988 | US4726896 Method and apparatus for on-stream analysis of slurried ore |
| 02/18/1988 | DE3626985A1 Process for treating weathered ores containing pyrochlore from carbonate-type deposit |
| 02/18/1988 | DE3626920A1 Process for treating weathered ores containing pyrochlore from a carbonate-type deposit |
| 02/16/1988 | US4725413 Process for selective separations of plutonium from uranium and other metals |
| 02/16/1988 | US4725351 Silica-activating ion, anionic collector, and cationic collector |
| 02/11/1988 | DE3707137A1 Apparatus for separating fine-grain mixtures in liquids |
| 02/11/1988 | DE3626079A1 Pyrite deposition |
| 02/09/1988 | US4724075 Flotation tank |
| 02/09/1988 | US4724072 2-mercaptobenzothiazole derivatives |
| 02/09/1988 | US4724071 Selective resin flotation from coal by controlled oxidation |
| 02/02/1988 | US4722784 Fiber suspensions; contaminants in froth on surface carried off |
| 01/28/1988 | DE3624920A1 Process for obtaining fine-grained, lamellar, chemically pure iron oxide from natural haematite specularite |
| 01/27/1988 | CN86104717A Smell-less catching agent for separating coarse-grained tungsten-tin sulphuretted ore and its usage |
| 01/26/1988 | US4721562 Aerating apparatus |
| 01/19/1988 | US4720339 Flotation beneficiation process for non-sulfide minerals |
| 01/19/1988 | CA1231688A1 Method of beneficiation of complex sulfide ores |
| 01/19/1988 | CA1231617A1 Flocculation of acid leach slurries |
| 01/14/1988 | WO1988000248A1 Separation process |
| 01/12/1988 | US4719009 Silica depressant in froth flotation of sulfide ores |
| 01/07/1988 | EP0251562A1 Detoxification process |
| 12/23/1987 | EP0250316A1 Gas transfer and flotation process for the treatment of water |
| 12/22/1987 | US4714544 Process for dressing kaolinite by flotation |
| 12/22/1987 | CA1230686A1 Flotation machine |
| 12/09/1987 | EP0248519A2 Flotation-aid composition and method of use thereof |
| 12/02/1987 | CN87202472U Dispersive and multipoint explosive auto-feeding device for flotation system |
| 12/01/1987 | US4710361 Gold recovery by sulhydric-fatty acid flotation as applied to gold ores/cyanidation tailings |
| 12/01/1987 | US4710285 Vermiculite flotation promoter |
| 11/24/1987 | US4708829 Apparatus for the removal of impurities from fiber suspensions |
| 11/24/1987 | US4708819 Reduction of vanadium in recycle petroleum coke |
| 11/19/1987 | EP0246105A2 Recovering coal fines |
| 11/17/1987 | CA1229344A1 Ore flotation and flotation agents for use therein |
| 11/11/1987 | CN86102011A Flotation technology for magnesite |
| 11/04/1987 | EP0243690A2 Flotation tank or cell |
| 11/04/1987 | CN86102844A Turbine dissolved gas releaser |
| 11/03/1987 | US4704260 Lead removal method |
| 10/27/1987 | US4702824 By air froth flotation using depressant mixture of hydroxyacetic acid, xanthan gum and sodium silicate |
| 10/27/1987 | US4702823 Phosphinic acid adducts with maleic acid semiesters, a process for their production and their use |
| 10/27/1987 | US4702822 Novel collector composition for froth flotation |
| 10/27/1987 | US4702821 Suppressing copper, iron or lead while recovering molybdenum |
| 10/22/1987 | DE3713089A1 Verfahren zur extraktion von schwefel aus pyriterzen Pyrite ores process for extracting sulfur from |
| 10/20/1987 | US4701257 Fatty esters of alkanolamine hydroxyalkylates as oxidized coal conditioner in froth flotation process |
| 10/14/1987 | EP0241167A1 Process and apparatus for the separation of foreign matter from a liquid by flotation |