| Patents for B03D 1 - Flotation (8,101) |
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| 03/10/2005 | CA2537603A1 Treatment of aqueous compositions containing contaminants |
| 03/08/2005 | CA2229663C Flotation tank impeller |
| 03/03/2005 | WO2003089144A8 Use of fatty amine salts in conjunction with fatty acids as auxiliary agents for the flotation of potassium salts (sylvinite) |
| 03/03/2005 | US20050049167 Obtained by alkoxylating C4-8-alkylglycols or -diglycols with C2-5-alkoxides to an average degree of alkoxylation of from 1 to 8, based on the C4-8-alkylglycols or -diglycols; use in aqueous formulations or spray applications, preferably in surfactant-containing formulations |
| 03/03/2005 | US20050047983 Ester quaternary cationic flotation collectors |
| 03/03/2005 | US20050045534 System and method for removing deep sub-micron particles from water |
| 03/03/2005 | US20050045528 Flotation processing including recovery of soluble nonferrous base metal values |
| 03/03/2005 | CA2439436A1 Treatment of aqueous compositions containing contaminants |
| 03/02/2005 | EP1230172B1 Method and device for biologically purifying waste water |
| 03/02/2005 | CN1586729A Process for extracting iron concentrate by sulfuric slag flotation |
| 03/02/2005 | CN1586728A Flotation process for quartz tail sand and its special floatation collecting agent |
| 02/24/2005 | WO2004088230A3 Ethanol distillation with distillers soluble solids recovery apparatus |
| 02/24/2005 | US20050042157 Froth flotation using a N-butoxycarbonyl-O-alkylthionocarbamate collector |
| 02/16/2005 | CN1579641A Oxidized ore floating collector |
| 02/16/2005 | CN1579640A Method for producing high-grade phosphorus heading |
| 02/09/2005 | EP1504820A1 In an ore flotation process usable composition of mercaptans. |
| 02/09/2005 | EP1504800A2 A method of phase separation of a mixture of at least two phases |
| 02/09/2005 | CN1575854A In an ore flotation process usable composition of mercaptans |
| 02/03/2005 | US20050023199 Method and apparatus for treatment of wastewater employing membrane bioreactors |
| 02/02/2005 | CN1572372A Method and device for the flotation of contaminants from an aqueous fibrous suspension |
| 02/02/2005 | CN1187615C Fast quartz and feldspar identifying method |
| 02/02/2005 | CN1187126C Mineral-floating foaming agent and its prepn |
| 02/02/2005 | CN1187123C Separation process of coarse quartz grain and feldspar |
| 01/27/2005 | DE10329883A1 Pumped rising cascade of aqueous fibrous pre-used paper suspension is in contra flow with descending cascade of foam bearing impurities |
| 01/19/2005 | EP1419012A4 Hydroxamate composition and method for froth flotation |
| 01/19/2005 | CN2671690Y Column type floatation machine |
| 01/13/2005 | US20050010064 Purification of acid catalyst; flotation separation; centrifuging; coalescence; steam stripping |
| 01/12/2005 | EP1494970A1 Apparatus for stock raising |
| 01/12/2005 | CN2669995Y Nozzle for jet agitating flotation machine |
| 01/12/2005 | CN2669990Y Jet mixing floatation machine with single tank and double strike-off boards |
| 01/12/2005 | CN1562494A Floatation method of desulfurizing and desiliconizing diaspore type bauxite |
| 01/12/2005 | CN1562493A Technique of adjusting and controlling electric potential for floatation of sulphide ore of lead and zinc |
| 01/12/2005 | CN1562492A Technique for fast selecting plumbum and zinc for sulphidic ore of plumbum-zinc |
| 01/12/2005 | CN1562491A Multiple step flotation technique for raising rate of reclaiming silver in plumbum |
| 01/11/2005 | US6840383 Particle separating apparatus |
| 01/05/2005 | DE10327701A1 Verfahren und Vorrichtung zur Flotation von Störstoffen aus einer wässrigen Faserstoffsuspension Method and apparatus for flotation of impurities from an aqueous fiber suspension |
| 01/05/2005 | CN1560019A Preparation process of mixture ester as foamer |
| 01/04/2005 | CA2325432C Method and device for the flotation of pollutants from an aqueous fibrous material suspension |
| 12/30/2004 | US20040262231 Method to treat water with dissolved gas |
| 12/30/2004 | US20040262201 Method of controlling feed variation in a valuable mineral flotation circuit |
| 12/29/2004 | WO2004112936A1 Vertical gas induced flotation cell |
| 12/29/2004 | CN1558796A Method of controlling feed variation in a valuable mineral flotation circuit |
| 12/23/2004 | WO2004110660A1 Method and apparatus for cleaning soil |
| 12/23/2004 | US20040256325 Vertical gas induced flotation cell |
| 12/23/2004 | US20040256295 Method and device for the flotation of contaminants from an aqueous fibrous suspension |
| 12/23/2004 | US20040256294 Apparatus for froth cleaning |
| 12/22/2004 | EP1489227A1 Process and apparatus for removing contaminants by flotation from an aqueous fibrous suspension |
| 12/22/2004 | CN1555925A Mineral concentration flotation agent and its production method |
| 12/21/2004 | US6832690 Guiding device for a flotation machine |
| 12/15/2004 | CN1555295A Selective recovery of minerals by flotation |
| 12/15/2004 | CN1179795C Preparation method of concentration floating agent for copper and iron |
| 12/09/2004 | US20040245151 Flotation mechanism and cell |
| 12/08/2004 | EP1483210A1 Method and device for clarification of liquids, particularly water, loaded with material in suspension |
| 12/08/2004 | EP1335784B1 Combined degassing and flotation tank |
| 12/08/2004 | CN1178753C Apparatus for cleaning suspension, preferably fibre mass suspension |
| 12/07/2004 | US6827220 Flotation of sulfide mineral species with oils |
| 12/02/2004 | DE10320191A1 Verwendung von Fettsäurealkylestern als Flotationsmittel The use of fatty acid as a flotation agent |
| 11/25/2004 | US20040232053 Process for de-inking paper pulp and flotation cell used for this process |
| 11/24/2004 | EP1478594A1 Method for producing cubic boron nitride |
| 11/24/2004 | CN1548372A Potassium sulfate preparing process from sulfate-type salt lake bittern |
| 11/24/2004 | CN1548371A Floatation process of preparing potassium sulfate |
| 11/24/2004 | CN1548234A Ore dressing process of treating poor hematite |
| 11/23/2004 | US6820746 Process for the beneficiation of sulfide minerals |
| 11/18/2004 | WO2004098782A1 Use of fatty acid alkyl esters as flotation auxiliary agents |
| 11/17/2004 | EP1477607A1 Process for de-inking paper pulp and flotation cell used for this process |
| 11/17/2004 | CN2656014Y Cyclo-cell |
| 11/17/2004 | CN1546239A Lead and zinc sulfide ore in situ electric potential flotation process |
| 11/11/2004 | US20040222164 conditioned slurry is blended with a peroxide in aqueous solution, which enters the grains and is decomposed creating bubbles of free oxygen within the grains which disrupt the hydrocarbon envelope; free and bound hydrocarbons are released |
| 11/11/2004 | US20040222161 Process and device for aerating suspensions |
| 11/10/2004 | CN1544156A Application of trichloroisocyanuric acid as novel beneficiation inhibitor |
| 11/10/2004 | CN1544155A New technology for flashing speed activation flotation of Carin type gold mine |
| 11/04/2004 | WO2004094318A1 Installation for treating water by flotation |
| 11/04/2004 | WO2004094037A1 Method for purifying spent acid |
| 11/04/2004 | US20040217070 Specific gravity separation of such as magnesia from nickel sulfide |
| 11/03/2004 | CN1543371A 浮选机 Flotation machine |
| 11/02/2004 | US6811713 Fluid flow through cyclone filter and distribution channel formed between ring and cylindrical chamber; flowing through pluralit of grooves in the ring; spiraling down a downward annulus |
| 11/02/2004 | US6811709 Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids |
| 11/02/2004 | US6811699 Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids |
| 11/02/2004 | US6811690 Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids |
| 10/28/2004 | WO2004091797A1 Method and apparatus for separation in froth and use of a helical rotor mixer |
| 10/28/2004 | US20040211933 The tube contains the food in an efficient fashion until consumption thereof is desired; ice cream |
| 10/27/2004 | EP1470208A2 Alkylglycol alkoxylates or alkyldiglycol alkoxylates, mixtures thereof with tensides and their use |
| 10/27/2004 | CN2650879Y Selective floatation medicament emulsifier |
| 10/26/2004 | US6808693 Purifying exhaust gases before injection into well; fuel gas generator for extracting natural gas from the crude oil under production |
| 10/21/2004 | DE10316972A1 Separation of predominantly sulfidic ores from gangue involves solubilization using an aqueous solution of a hydrophilic and metallophilic polythioether group- containing polymer |
| 10/19/2004 | US6805806 Method and apparatus for treatment of wastewater employing membrane bioreactors |
| 10/19/2004 | US6805243 Flotation machine rotor and method of operation |
| 10/19/2004 | US6805242 Method of reducing phosphate ore losses in a desliming process |
| 10/19/2004 | CA2187163C Method and equipment for treatment of a liquid flow to be cleaned and passed into a flotation plant or equivalent |
| 10/14/2004 | WO2004088277A2 System and method of gas energy management for particle flotation and separation |
| 10/14/2004 | WO2004088230A2 Ethanol distillation with distillers soluble solids recovery apparatus |
| 10/14/2004 | US20040200778 Quality analysis by measuring liquid level and the foam level in the chambers; deinking operation |
| 10/14/2004 | US20040200760 Selective recovery of minerals by flotation |
| 10/13/2004 | CN1535762A Method for controlling flotation groove working |
| 10/07/2004 | US20040195154 Flotation machine |
| 10/06/2004 | EP1463586A1 Selective flotation agent and flotation method |
| 10/06/2004 | CN2645774Y Water choosing device |
| 10/06/2004 | CN2645773Y Highly effective flotation device of downward current |
| 10/06/2004 | CN1169775C Poly-basic aromatic carboxylic acid for flotation and its preparing method |
| 10/06/2004 | CN1169626C Flotation column used in bauxite reverse flotation desilicon |