| Patents for B03D 1 - Flotation (8,101) |
|---|
| 01/16/2002 | CN1330984A Process for increasing anti-floatation effeciency of phosphate |
| 01/09/2002 | EP0929624B1 Surfactant-containing formulations |
| 01/08/2002 | US6337023 Flotation apparatus for clarifying produced water |
| 01/03/2002 | US20020000412 Apparatus and process for recovering a desired fraction of a raw material |
| 01/02/2002 | CN1329520A Composition used for flotation of mineral products |
| 12/25/2001 | CA2179991C Physical separation processes for mineral slurries |
| 12/20/2001 | WO2001096026A2 Dual-cell mechanical flotation system |
| 12/05/2001 | EP0871590B1 Apparatus for distribution and dispersion of air saturated water |
| 12/05/2001 | CN1324696A Bauxite dressing method |
| 11/29/2001 | WO2000043320A9 Three zone dissolved air flotation clarifier with fixed lamellae and improved paddle-and-ramp sludge removal system |
| 11/29/2001 | US20010045382 Selector contact stabilization process and apparatus for wastewater treatment |
| 11/29/2001 | DE10024667A1 Mittel zur Aufbereitung von Phosphaterz Means for treating phosphate rock |
| 11/28/2001 | CN1324270A Mixing system for separation of materials by flotation |
| 11/28/2001 | CN1323659A Copper-sulfur separating process without lime |
| 11/27/2001 | US6323363 Useful as emulsifiers, demulsifiers, detergents, dispersants, and hydrotropic agents |
| 11/22/2001 | WO2001087780A1 Method and agent for suspending solid or liquid, fat-containing or fatty impurities |
| 11/22/2001 | WO2001087490A1 Agent for dressing of phosphate ore |
| 11/21/2001 | EP1154860A1 Method for separating lead from coated glass |
| 11/21/2001 | CN2460216Y Impeller structure of machinery stirring flotation machine |
| 11/21/2001 | CN1322592A Floating method and floating agent for floating feldspar and quartz from silica sand |
| 11/19/2001 | CA2347941A1 Wastewater treatment plant |
| 11/14/2001 | CN1321547A Collecting agent compound for floatation of tungsten mineral and its synthesizing method and application |
| 11/08/2001 | US20010037959 Method and apparatus for separating a protein membrane and shell material in waste egg shells |
| 11/07/2001 | EP0880389B1 Process for centrifugal separation of material |
| 11/07/2001 | CN1320484A Process for concentrating low-grade boron ore |
| 10/31/2001 | EP1148951A1 Tangential separating device for solid matter |
| 10/31/2001 | EP0927158B1 Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups based on dicarboxyclic acid diamides |
| 10/31/2001 | EP0626932B1 Dissolved air flotation |
| 10/30/2001 | US6308834 Flotation tank impeller |
| 10/25/2001 | US20010032812 System and method to improve flotation systems |
| 10/24/2001 | CN1073468C Method for floatation of copper nickel sulfide mineral |
| 10/23/2001 | CA2231254C Mobile soil treatment apparatus and method |
| 10/17/2001 | CN1317371A Process for comprehensively recovering very-low-grade copper from iron ore |
| 10/11/2001 | WO2001074722A1 Device and method for water treatment by foaming |
| 10/10/2001 | CN1316566A Method and device for inflation dispersing |
| 10/04/2001 | US20010025808 Process and device for aerating dispersions |
| 10/04/2001 | US20010025693 Flotation of pulp suspension in de-inking; injection of air; mixing air and pulp suspension; feeding into subsequent cell and repeating; waste paper treatment; recycling |
| 09/26/2001 | CN2449812Y Cover plate of floatation separator |
| 09/26/2001 | CN1314308A Method for preparing potassium sulfate by one section conversion flotation process |
| 09/19/2001 | CN2448459Y High-efficient inflated flotation trough |
| 09/18/2001 | US6291422 An n-(3-dialkylamino)propyl-n-polyhydroxyalkylcarboxamide, |
| 09/13/2001 | WO2001066259A2 Apparatus and process for recovering a desired fraction of a raw material |
| 09/13/2001 | CA2402517A1 Apparatus and process for recovering a desired fraction of a raw material |
| 08/30/2001 | WO2001063054A1 Device for eliminating liquid or viscous products such as hydrocarbons for example |
| 08/30/2001 | WO2001062392A1 Sparging nozzle assembly for aerated reaction vessels and method for operating such vessels |
| 08/30/2001 | DE19758575C2 Verfahren zur Veränderung von Oberflächeneigenschaften eines Partikelgemisches sowie Vorrichtung zur Durchführung des Verfahrens A method for altering surface characteristics of a particle mixture, as well as apparatus for carrying out the method |
| 08/29/2001 | CN1310260A Method and equipment for air inflation dispersion |
| 08/23/2001 | WO2001060523A1 Improved froth flotation process and apparatus |
| 08/23/2001 | WO2001060494A1 Solid buoyant media induced flotation |
| 08/23/2001 | DE10006251A1 S-Alkyl-, aryl- and -aralkyl-O-alkyl-dithiocarbonates are used as collectors in flotation of complex sulfide ores, especially copper, molybdenum, lead, zinc and nickel sulfide |
| 08/22/2001 | CN1308988A Hg-Sb floatation separation method for Hg-Sb symbiotic sulfide ore |
| 08/16/2001 | EP1124001A2 Method and device for aerating dispersions |
| 08/16/2001 | EP1124000A2 Method and device for aerating dispersions |
| 08/14/2001 | US6273263 Sediment and soil remediation by column flotation |
| 08/14/2001 | CA2150216C Composition for froth flotation of mineral ores comprising amine and frother |
| 08/09/2001 | US20010011940 Method and apparatus for identifying codes for remotely controlling electronic devices via a wireless communication medium |
| 08/08/2001 | EP0996593B1 Method for removing biomass from a liquid by means of a reactor |
| 08/07/2001 | CA2217623C Cold dense slurrying process for extracting bitumen from oil sand |
| 08/03/2001 | CA2333797A1 Process and device for aerating dispersions |
| 08/03/2001 | CA2333440A1 Process and device for aerating dispersions |
| 08/02/2001 | US20010010294 Process and flotation device for the removal of intereering materials from an aqueous fiber pulp suspension |
| 08/02/2001 | DE10002660A1 Reaktor zum Enthärten und/oder Aufbereiten von Wasser Reactor for softening and / or preparation of water |
| 08/01/2001 | EP1120380A2 Reactor for water softening and/or treatment |
| 07/25/2001 | EP0904156B1 Apparatus for the separation of heavier from lighter fractions in aqueous slurries by means of centrifugal force |
| 07/24/2001 | CA2133454C Method and apparatus for effecting gas-liquid contact |
| 07/19/2001 | WO2001051164A1 System and method to improve flotation systems |
| 07/12/2001 | WO2001049388A1 Device for a flotation machine |
| 07/11/2001 | EP1113881A1 Flotation cell line |
| 07/11/2001 | EP1113880A1 Method for improving the operation of a flotation cell line |
| 07/11/2001 | CN2438507Y Flotation unit |
| 07/11/2001 | CN1303444A Mineral collector compositions of fatty hydroxamic acid in admixture with oil and process of making same |
| 07/11/2001 | CN1302697A Dressing process for gold ore |
| 07/11/2001 | CN1068247C Synthetic technology for rare-earth mineral collector |
| 07/04/2001 | EP0907418B1 Flotation plant |
| 07/04/2001 | CN2437408Y Binary mix material floatation device |
| 07/03/2001 | US6254771 Method of processing desulfurization absorption liquid and apparatus therefor |
| 06/21/2001 | WO2001043881A1 Flotation machine and method for improving flotation effect |
| 06/20/2001 | CN1067294C Flotation underflow draining floating control method |
| 06/13/2001 | EP1106257A1 Device for homogenizing and diffusing liquids for flotation clarifiers |
| 06/13/2001 | EP0929362B1 Compositions and methods for ore beneficiation |
| 06/13/2001 | CN1298765A Compsoite trapping agent for floatation |
| 06/07/2001 | WO2001039888A1 Improved flotation of sulphide minerals |
| 06/07/2001 | CA2392752A1 Improved flotation of sulphide minerals |
| 05/31/2001 | WO2001038001A1 Monitoring and control of a froth flotation plant |
| 05/29/2001 | US6238569 Flotation pile oil/water separator apparatus |
| 05/29/2001 | US6238564 Sludge treatment method |
| 05/23/2001 | CN2431047Y Bidirectionally inflating jet flotation column |
| 05/23/2001 | CN1295882A TV type ore-dressing activator |
| 05/22/2001 | US6234318 Flotation and cyanidation process control |
| 05/17/2001 | WO2001034304A1 Froth flow measurement system |
| 05/17/2001 | WO2001034269A1 Flotation tank erection method and resulting structure |
| 05/16/2001 | EP1099792A2 Flotation process and device for separating solid particles of a paper fibre suspension |
| 05/15/2001 | CA2243328C Process for centrifugal separation of material |
| 05/10/2001 | DE19953961A1 Compact waste water treatment sand trap comprising a cylindrical curtain positioned above and separated by a gap from conical baffle plate |
| 05/09/2001 | CN2429243Y Unitary self sucking effective pneumatic floater |
| 05/09/2001 | CN1294032A Composite chemical for floatating sulfide ore of noble metals and non-ferrous metals |
| 05/08/2001 | US6227374 Process and floatation device for the removal of interfering materials from an aqueous fiber pulp suspension |
| 05/03/2001 | DE19950600A1 Device for gassing flotation pulp in pneumatic flotation cells comprises feed pipe of constant cross-section for liquid to be gassed and pneumatic connection with outer air |
| 05/02/2001 | EP0885185B1 Betaine gemini surfactants made from amines |
| 04/26/2001 | WO2001028935A1 Method and device for biologically purifying waste water |