| Patents for B03D 1 - Flotation (8,101) |
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| 08/28/2002 | CN1365857A Ore dressing chemical prepared from tea leaf |
| 08/22/2002 | US20020113012 An aerobic process to reduce unpleasant odors and toxicity is promoted by decreasing the amount of oxygen; including screening to remove a firt portion of solids and clarifying to remove a second; animal and human waste; fertilizers |
| 08/21/2002 | EP1232784A1 Device for diffusing a gas in a liquid using a blade turbine |
| 08/21/2002 | EP1080265B1 Method and device for flotation of pollutants from an aqueous fibrous material suspension |
| 08/21/2002 | CN1364754A Poly-basic aromatic carboxylic acid for flotation and its preparing method |
| 08/14/2002 | EP1230172A1 Method and device for biologically purifying waste water |
| 08/13/2002 | CA2264865C A method for processing refractory auriferous sulfide ores involving preparation of a sulfide concentrate |
| 08/08/2002 | WO2002060554A1 Aeration type underwater screen system |
| 08/08/2002 | US20020104799 Extraction of bitumen from tar sands; aerating a slurry of the tar sand, hot water and a conditioning agent including sodium sesquicarbonate to form a froth; containing bitumen within the slurry; separating the froth from the slurry |
| 08/07/2002 | CN2503992Y Separator for mixed liquid contg. suspended matter |
| 08/07/2002 | CN1088686C Continuous water-treating method, equipment and system |
| 08/06/2002 | US6428597 Using polyoxypropylene glycol, an alkylphenol ethoxylate and a paraffin oil solvent |
| 08/06/2002 | US6427843 Multistage conditioning milled slurry |
| 08/01/2002 | WO2002059386A1 Improved beneficiation process for concentration/calcination of zinc silicate ores and minerals |
| 08/01/2002 | DE10065846A1 Verfahren zum Recycling von Aminen bei der indirekten Eisenerzflotation A method for recycling of amines in the indirect Eisenerzflotation |
| 08/01/2002 | DE10047958C2 Flotationsvorrichtung The flotation device |
| 07/30/2002 | US6425982 System for removing bleed-throughs from old corrugated container fiber pulp |
| 07/30/2002 | US6425485 Air-assisted density separator device and method |
| 07/30/2002 | CA2168903C Flotation method for non-ferrous metal variable ores |
| 07/30/2002 | CA2074746C Separation method and apparatus |
| 07/25/2002 | US20020096475 Flotation device |
| 07/24/2002 | EP1225156A1 Apparatus and method for electrochemically removing fine metal particles from emulsions |
| 07/24/2002 | EP1224031A1 Method for the preparation of nickel concentrate |
| 07/23/2002 | US6422393 Recovery from fine froth flotation feed (slimes) |
| 07/17/2002 | CN1359465A Arrangement for measuring concentrate flow in connection with a flotation cell |
| 07/16/2002 | CA2061451C Process for separating polyethylene terephthalate from polyvinyl chloride |
| 07/10/2002 | CN1357432A Cooling liquid supplying method and device for cutting machine tool and grinder |
| 07/03/2002 | CN2497869Y Tower milling flotation machine |
| 07/03/2002 | CN1356178A Reverse floatation depressant of iron ore and its preparing process |
| 07/02/2002 | US6413366 Method and device for flotation of pollutants from an aqueous fibrous material suspension |
| 07/02/2002 | CA2261664C Perfected reactor for liquids purification |
| 07/02/2002 | CA2261660C Baffle for reactors used for liquids purification |
| 06/27/2002 | WO2002049768A1 Flotation machine |
| 06/27/2002 | WO2002028538A3 Flotation device |
| 06/27/2002 | US20020079270 Microalgae separator apparatus and method |
| 06/26/2002 | EP1216205A1 Method for detoxicating harbour silt |
| 06/25/2002 | US6409022 Mineral collector compositions and processes for making and using same |
| 06/13/2002 | WO2001096026A3 Dual-cell mechanical flotation system |
| 06/13/2002 | US20020070175 Systems and methods for gas exchange and/or organic separation from fluids |
| 06/06/2002 | WO2002043871A2 Flotation method for removing colored impurities from kaolin clay |
| 06/06/2002 | WO2002022229A3 Systems and methods for gas exchange and/or organic separation from fluids |
| 05/30/2002 | WO2002041965A2 Combined degassing and flotation tank |
| 05/29/2002 | EP1208897A1 Combined degassing and flotation tank |
| 05/28/2002 | US6395131 Removal of wax from fiber suspension, flotation and transportation then removing wax |
| 05/28/2002 | US6394279 Flotation machine for a fiber suspension and method of using same |
| 05/23/2002 | DE10055126C1 Flotation reagent, used as collector in flotation of (complex) sulfide ore, especially copper ore, contains N,O-dialkyl thionocarbamate and 2-mercapto-benzothiazole compounds |
| 05/22/2002 | CN1085121C Electrochemical detecting and controlling method for beneficiation reagent |
| 05/21/2002 | US6390303 Method for optimizing flotation recovery |
| 05/16/2002 | WO2002038277A2 Collector for non iron metal sulphide preparation |
| 05/16/2002 | WO2002010073B1 Method for floatation separation of a liquid, from particles suspended therein |
| 05/15/2002 | EP0686724B1 Method of deinking through flotation using said agent |
| 05/14/2002 | US6387266 Method of sewage biological purification and an equipment for performing this method |
| 05/14/2002 | CA2075155C Process for improved precious metals recovery from ores with the use of alkylhydroxamate collectors |
| 05/08/2002 | EP1202934A1 Flotation pile oil/water separator apparatus |
| 05/08/2002 | DE10054024A1 Procedure for treatment of especially sand entails generating in water columns in container several non-parallel directed oscillations perpendicular to each other and with different frequencies and/or amplitudes |
| 05/08/2002 | CN2489871Y Mineral separation autoamtic medicine adding machine |
| 05/08/2002 | CN1084230C Flotation process of sodium chloride |
| 05/06/2002 | CA2325223A1 Tar sands extraction process |
| 05/01/2002 | CN1347345A Quaternary ammonium compounds for froth flotation of silicates from iron ore |
| 05/01/2002 | CN1346711A Process for separating valuable metallic ore concentrate from placer tailings of non-ferrous metals |
| 04/30/2002 | US6378703 Flotation method for removing colored impurities from kaolin clay |
| 04/25/2002 | DE10045865A1 Process for removing metallic fine materials and anaerobic bacteria from aqueous cooling lubricant emulsions comprises collecting the emulsions in a container, introducing gas bubbles, and removing foam produced by the bubbles and particles |
| 04/23/2002 | CA2163058C Improvements to precious metals recovery from ores |
| 04/18/2002 | WO2002030832A1 Process and device for fat separation |
| 04/18/2002 | DE10047958A1 Flotationsvorrichtung The flotation device |
| 04/18/2002 | CA2342514A1 Use of cupric chloride in zinc flotation |
| 04/17/2002 | EP1196555A2 Method for the identification of a receptor |
| 04/11/2002 | WO2002028538A2 Flotation device |
| 04/10/2002 | CN1343531A Process for preparing floatation catcher of iron ore |
| 04/04/2002 | WO2002026350A1 Methods of enhancing fine particle dewatering |
| 04/03/2002 | EP1193342A1 Column flotation device |
| 03/27/2002 | EP1190237A1 Method and apparatus for monitoring and analyzing the surface of floated material |
| 03/27/2002 | EP1190219A1 Arrangement for measuring concentrate flow in connection with a flotation cell |
| 03/27/2002 | CN1341489A Pressure floatation device |
| 03/26/2002 | CA2056119C Sequential and selective flotation of sulfide ores containing copper and molybdenum |
| 03/26/2002 | CA2053388C Sequential and selective flotation of sulfide ores |
| 03/21/2002 | WO2002022272A1 Aqueous copper composition |
| 03/21/2002 | WO2002022229A2 Systems and methods for gas exchange and/or organic separation from fluids |
| 03/21/2002 | WO2001066259A3 Apparatus and process for recovering a desired fraction of a raw material |
| 03/20/2002 | CN1081091C Iron ore antifloating process |
| 03/19/2002 | US6358411 Wastewater treatment plant |
| 03/19/2002 | US6358193 Regulation device for a centrifugal separator to control discharge from outlets |
| 03/13/2002 | CN1080595C Static micro-bubble floatation column intensified sorting method and device |
| 02/28/2002 | DE10037044A1 Verfahren zur flotativen Trennung einer Flüssigkeit, insbesondere Wasser, von hierin suspendierten Teilchen Method for flotation separation of a liquid, especially water, suspended particles herein by |
| 02/28/2002 | DE10024667C2 Mittel zur Aufbereitung von Phosphaterz Means for treating phosphate rock |
| 02/20/2002 | CN2477612Y Solid/liquid separating pool baffle appts. |
| 02/14/2002 | WO2000045961A9 Fluid conditioning system and method |
| 02/07/2002 | WO2002010073A1 Method for floatation separation of a liquid, from particles suspended therein |
| 02/05/2002 | US6344147 Flotation plant |
| 01/31/2002 | WO2002007891A1 Rotor for flotation mechanism and method for directing material flow in flotation machine |
| 01/31/2002 | WO2002007890A1 Flotation mechanism and method for dispersing gas and controlling flow in a flotation cell |
| 01/31/2002 | DE10035535A1 Waste water purification includes stages of electroflotation with iron dissolution, re-suspension, hydroxide precipitation and floc separation |
| 01/31/2002 | CA2418191A1 Flotation mechanism and method for dispersing gas and controlling flow in a flotation cell |
| 01/29/2002 | US6341697 Selective flotation of phosphate minerals with hydroxamate collectors |
| 01/29/2002 | CA2205003C Wastewater treatment method and plant |
| 01/24/2002 | CA2506780A1 Recovery of cadmium from zinc-containing acid soluble ore using precipitation method |
| 01/23/2002 | EP1174394A2 Process and device for the purification of waste waters |
| 01/23/2002 | EP1173281A1 Apparatus for separation of solids in froth |
| 01/23/2002 | CN1078120C Method and apparatus for supplying cooling liquid in cutting machines and grinding machines |
| 01/22/2002 | CA2176435C Absorbent granular material and process and apparatus for making the absorbent granular material |