| Patents for B03D 1 - Flotation (8,101) |
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| 06/13/2000 | US6073775 Cyclonic-static micro-bubble floatation apparatus and method |
| 06/13/2000 | US6073774 Pressurized deinking module with vent line |
| 06/13/2000 | CA2171061C Method, apparatus and system for continuously treating water body |
| 06/08/2000 | DE19856207A1 Assembly for cleaning a paper fiber suspension has a vertical round sieve with an upper flotation foam collection zone and a pump action for the suspension and bubbles through the sieve without a turbulence generator |
| 06/06/2000 | US6071047 Method and apparatus for feeding coolant liquid and separating and recovering it in cutting machine and grinding machine |
| 06/06/2000 | US6070734 Rotation shaft with vibration dampening device |
| 05/31/2000 | CN1052924C Wet asbestos floating and modifying process |
| 05/31/2000 | CN1052923C Process for preparing fluorite collector agent |
| 05/30/2000 | US6068132 Perfected reactor for liquids purification |
| 05/30/2000 | US6068131 Method of removing carbon from fly ash |
| 05/24/2000 | EP0746413B1 Rectangular flotation plant |
| 05/24/2000 | CN2379209Y Flotation machine having over-load protection rigid coupling |
| 05/18/2000 | DE19852549A1 Verfahren und Vorrichtung zur Entfernung von Partikeln aus einer wässrigen papierfaserhaltigen Suspension Method and apparatus for removing particles from an aqueous paper fiber-containing suspension |
| 05/18/2000 | DE19852548A1 Verfahren und Vorrichtung zur Entfernung von Partikeln aus einer wässrigen papierfaserhaltigen Suspension Method and apparatus for removing particles from an aqueous paper fiber-containing suspension |
| 05/17/2000 | EP1001079A1 Method and device for removing particles from aqueous paper fibre suspension |
| 05/17/2000 | EP1001078A1 Method and device for removing particles from aqueous paper fibre suspension |
| 05/17/2000 | CN2378129Y Static microfoam flotation column |
| 05/16/2000 | CA2150212C Aqueous composition useful in ore flotation containing aliphatic amine |
| 05/16/2000 | CA2129223C Deinking agent and method of deinking through flotation using the deinking agent |
| 05/11/2000 | WO2000025930A1 Mixing system for separation of materials by flotation |
| 05/11/2000 | CA2349876A1 Mixing system for separation of materials by flotation |
| 05/09/2000 | US6059118 Process for recovering fine particulates in a centrifugal flotation cell with rotating drum |
| 05/03/2000 | EP0997199A1 Method for separation of solid compounds in suspension |
| 05/03/2000 | EP0996593A1 Method for removing biomass from a liquid by means of a reactor |
| 05/03/2000 | EP0996505A1 Fluid conditioning system and method |
| 05/03/2000 | EP0602182B1 Apparatus and method for deinking waste paper pulp |
| 05/02/2000 | US6056125 Cross flow cyclonic flotation column for coal and minerals beneficiation |
| 04/26/2000 | CN1251539A Method of benifiating siliceous phosphates |
| 04/25/2000 | US6053328 Baffle for reactors used for liquids purification |
| 04/20/2000 | WO2000021677A1 Method and apparatus for decontaminating liquid suspensions |
| 04/20/2000 | WO2000021633A1 Combined hydrocyclone and filter system for treatment of liquids |
| 04/20/2000 | WO2000021386A1 A method of separating protein from starch in flour using flotation separation |
| 04/20/2000 | CA2313696A1 Combined hydrocyclone and filter system for treatment of liquids |
| 04/13/2000 | WO2000020121A1 Method for separating lead from coated glass |
| 04/12/2000 | CN1250396A Waste egg shell components recovery |
| 04/11/2000 | US6048460 Biological method of treating sewage containing high concentrations of sludge |
| 04/06/2000 | WO1999016550A9 A control device for a centrifugal separator |
| 04/05/2000 | CN2372062Y Negative pressure dissolved gas releasing machine |
| 04/05/2000 | CN1249213A Process for preparing floatation collector of sillimanite |
| 04/05/2000 | CN1249212A Compound chemical for floatation |
| 04/04/2000 | US6044978 Process for recovery of copper, nickel and platinum group metal bearing minerals |
| 03/30/2000 | DE19831530C1 Flotation for cleaning fiber suspensions of used paper for recycling uses additional and larger gas bubbles to carry up the foreign matter with the air bubbles into a floating foam for removal |
| 03/28/2000 | US6041941 Introducing into the mineral separation circuit nonoxidizing gas to lessen oxidation of the sulfoxy radical, reducing its consumption; useful in mineral separation circuits which use sulfoxy reagents for the separation of sulfidic minerals |
| 03/23/2000 | WO2000015346A1 Collectorless flotation |
| 03/23/2000 | WO2000015345A1 Flotation cell line |
| 03/23/2000 | WO2000015344A1 Method for improving the operation of a flotation cell line |
| 03/23/2000 | WO2000015343A1 Internal recycle apparatus and process for flotation column cells |
| 03/23/2000 | CA2353889A1 Method for improving the operation of a flotation cell line |
| 03/23/2000 | CA2353887A1 Flotation cell line |
| 03/15/2000 | EP0794926B1 Flock separating apparatus |
| 03/14/2000 | US6036871 Method and device for separating heavier from lighter parts of aqueous slurries by means of centrifugal force effects |
| 03/14/2000 | US6036025 Mineral flotation separation by deoxygenating slurries and mineral surfaces |
| 03/09/2000 | WO2000012220A1 Particle separating apparatus |
| 03/09/2000 | DE19751339A1 Process compact coal tailings with coarse particles extends the service life of the sedimentary de-watering basin. |
| 03/09/2000 | DE19741323C2 Verfahren zum sortenreinen Trennen von Kunststoffpartikeln aus einem Partikelgemisch unterschiedlicher Kunststoffe durch Flotation sowie Vorrichtung zur Durchführung des Verfahrens A method for unmixed separation of plastic particles from a particle mixture of different plastics by flotation and device for carrying out the method |
| 03/08/2000 | CN1246805A Method of processing desulfurization absorption liquid and apparatus |
| 03/07/2000 | US6034271 Betaine gemini surfactants made from amines |
| 03/07/2000 | US6032805 Enhanced effectiveness of sulfoxy compounds in flotation circuits |
| 03/01/2000 | CN1245740A Refloatation method of fly-ash and refuse and its technological process |
| 02/29/2000 | US6030529 Biological reactor including settler assembly |
| 02/24/2000 | WO2000009268A1 Flotation of sulfide mineral species with oils |
| 02/24/2000 | CA2719881A1 Flotation of sulfide mineral species with oils |
| 02/23/2000 | CN2364976Y Pump type dissolved air floatation machine |
| 02/22/2000 | US6027645 Granular media filter including media settler assembly |
| 02/10/2000 | WO1999055837A3 Improvements in or relating to separation processes |
| 02/10/2000 | DE19835498A1 Production of intensively colored lapis lazuli for direct use as pigment involves multistage flotation, using long-chain amine as collector and neutral to alkaline conditions for removing mica and recovering and purifying lapis lazuli |
| 02/10/2000 | DE19835434A1 Sterile froth flotation equipment removes fine cloudy precipitate from hot wort to avoid later difficulties during fermentation and filtering, with automatic post-sterilization in plant especially suited for brewing industry |
| 02/10/2000 | DE19835188A1 Waste water treatment floatation basin and mixer has variable-control mixer for adaptation to nature and rate of incoming water effluent |
| 02/09/2000 | EP0978482A1 Machine for treating wastewater by centrifugal separation and flotation |
| 02/09/2000 | CN1049164C Dewatering system |
| 02/02/2000 | EP0975834A1 Multiflow pressurized de-inking apparatus |
| 02/02/2000 | CN1243044A Centrifugal floatation sorting machine with rotary feeding device |
| 02/02/2000 | CN1243043A Centrifugal floatation sorting machine with rotary drum |
| 01/26/2000 | EP0971856A4 Three zone dissolved air flotation clarifier with improved efficiency |
| 01/26/2000 | CN1048660C Process and equipment for separating suspended substances from liquid |
| 01/25/2000 | US6017449 Container for liquid with dispersion device |
| 01/25/2000 | CA2049344C Centrifugal flotation apparatus and method |
| 01/20/2000 | WO2000002662A1 Method of removing carbon from fly ash |
| 01/19/2000 | EP0971856A1 Three zone dissolved air flotation clarifier with improved efficiency |
| 01/12/2000 | EP0699106B1 Method of floating calcium carbonate ore and flotation reagent therefor |
| 01/12/2000 | CN1241149A Flotation separation method and system for dewatering suspensions of microalgae and extracting components therefrom |
| 01/12/2000 | CN1241148A Method for dewatering microalgae with bubble column |
| 01/11/2000 | US6013157 Aqueous pulp suspension comprising secondary fibers cotaining ink particles mixed wtih a chemical deinking agent and a froth moderating agent |
| 01/06/2000 | WO2000000443A2 Flotation process for separating silica from feldspar to form a feed material for making glass |
| 01/05/2000 | DE19829315A1 System for the removal of solid matter from a fiber suspension |
| 01/04/2000 | US6010011 Flotation apparatus for mineral processing |
| 12/29/1999 | EP0966325A1 Method for enriching silver or other precious metals by flotation from a suspension, for example from zinc-leaching residues |
| 12/28/1999 | US6007708 Mixing oil sand with water to produce a dense, low temperature slurry, pipelining, conditioning, aerating, feeding to a primary separation vessel, causing flotation of the bitumen and gravity separation of the solids |
| 12/28/1999 | US6007618 Kaolin clays which are conditioned prior to removing impurities |
| 12/22/1999 | EP0965379A1 Method of processing desulfurization absorption liquid and apparatus therefor |
| 12/16/1999 | WO1999064163A1 Materials separation |
| 12/14/1999 | US6000552 Process for purification of a fiber suspension |
| 12/14/1999 | CA2145559C Alkyloxyalkaneamines useful as cationic froth flotation collectors |
| 12/09/1999 | WO1999063123A1 Heap leach agglomeration/percolation extraction aids for enhanced gold and silver recovery |
| 12/09/1999 | CA2332243A1 Heap leach agglomeration/percolation extraction aids for enhanced gold and silver recovery |
| 12/08/1999 | EP0962254A2 Method and device for separating suspended substances from liquids |
| 12/08/1999 | EP0961662A1 Mobile soil treatment apparatus and method |
| 12/08/1999 | EP0844911B1 Flotation tank impeller |
| 12/08/1999 | CN2352262Y Electric motor directly driven type flotation machine |
| 12/08/1999 | CN2352261Y Flotation machine with umbrella sealing and oil-proof device |