| Patents for B03D 1 - Flotation (8,101) |
|---|
| 07/20/1995 | WO1995019415A1 Tenside mixtures with improved surface-active properties |
| 07/19/1995 | EP0662865A1 Coal flotation process. |
| 07/19/1995 | EP0532494B1 Improved water clarifying apparatus |
| 07/12/1995 | EP0585277B1 Flotation process for obtaining minerals from non-sulphidic ores |
| 07/11/1995 | US5431286 Recirculating column flotation apparatus |
| 07/05/1995 | CN2202588Y Mineral slurry level self-controlling device for flotation machine |
| 07/04/1995 | CA2018121C Method of recovery of hydrocarbons from contaminated soil or refuse materials |
| 07/04/1995 | CA1336213C Process and apparatus for separating fine particles by microbubble flotation together with a process and apparatus for generation of microbubbles |
| 06/28/1995 | EP0659489A2 Means for generating air bubbles in a liquid |
| 06/28/1995 | EP0641292A4 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation. |
| 06/28/1995 | EP0641291A4 Lamellar apparatus and method for clarifying water. |
| 06/27/1995 | CA2049793C Reducing the water and solids contents of bitumen froth moving through the launder of a spontaneous flotation vessel |
| 06/21/1995 | CN1103817A Process for flotation process for sulphur in alkaline medium or neutral medium |
| 06/20/1995 | CA1336018C Surfactant mixtures as collectors for the flotation of non-sulfidic ores |
| 06/20/1995 | CA1335981C Method and apparatus for removal of light material from a fiber suspension |
| 06/14/1995 | EP0465527B1 Centrifugal flotation apparatus and method |
| 06/14/1995 | DE4406239C1 Process and assembly to separate fluid and gas from substances at centrally-located pressure-relieving element |
| 06/13/1995 | US5423981 Wastewater treatment apparatus |
| 06/13/1995 | CA1335863C Method and installation for the recovery of utilizable gas from garbage by pyrolysis |
| 06/10/1995 | CA2137332A1 Flotation equipment |
| 06/08/1995 | DE4341414A1 Rectangular flotation cell assembly of modular construction with mixer, reaction chamber and settlement tank |
| 06/01/1995 | DE4416261C1 Unstirred pneumatic flotation of poorly hydrophobic salts |
| 05/24/1995 | EP0654294A2 Process and apparatus for the filtration of solid particles from liquids and the backwashing of the filter |
| 05/11/1995 | DE4336802A1 Sulphosuccinamates |
| 05/09/1995 | US5413765 Removal of contaminants from gas or liquid stream |
| 05/02/1995 | US5411148 Selective flotation process for separation of sulphide minerals |
| 05/02/1995 | CA1335466C Polymeric sulfide mineral depressants |
| 04/26/1995 | EP0649346A1 Device for centrically charging circular tanks |
| 04/20/1995 | WO1995010360A1 Process for extracting finely dispersed metal particles from solutions |
| 04/20/1995 | CA2151599A1 Process for extracting finely dispersed metal particles from solutions |
| 04/18/1995 | US5407584 Introducing contaminated fluid into spiral spinner, then into cyclonic flow chamber to separate solids, flowing remaining mixture to main separator vessel to separate oil, removing gas from top of cyclone chamber, discharging cleansed water |
| 04/18/1995 | US5407538 Device for separating a mixture of paper pulp and contaminants |
| 04/18/1995 | US5407080 Apatite flotation reagent |
| 04/13/1995 | DE4333490A1 Process for soil remediation |
| 04/12/1995 | EP0647483A1 Method and device for the purification of polluted sedimentary material |
| 04/11/1995 | CA1335147C System for wastepaper conditioning |
| 04/04/1995 | US5402894 Slurring coal and wash water, forming water soluble complex with aqueous, alkaline complexing agent and clay minerals prior to froth flotation, dewatering, filtration |
| 04/04/1995 | CA1335121C Pyrite depressants useful in the separation of pyrite from coal |
| 03/23/1995 | DE4400632C1 Surfactant mixtures and compositions containing these |
| 03/21/1995 | US5399433 Recycling |
| 03/15/1995 | EP0643038A2 Novel polyfunctional cationic surface active agents, compositions comprised thereof, process for the preparation thereof and uses |
| 03/15/1995 | EP0642833A1 Method of separating solids by means of flotation |
| 03/15/1995 | EP0544683B1 Flotation cyclone |
| 03/15/1995 | CN2191709Y Flash flotation machine |
| 03/14/1995 | US5397001 Apparatus for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles |
| 03/10/1995 | CA2105827A1 Clarifying suspended solids from liquid process streams |
| 03/08/1995 | EP0641292A1 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation |
| 03/08/1995 | EP0641291A1 Lamellar apparatus and method for clarifying water |
| 02/22/1995 | EP0602182A4 Improved apparatus and method for deinking waste paper pulp. |
| 02/21/1995 | CA2004352C Hot water extraction process and apparatus |
| 02/14/1995 | US5389274 Pine oil, sodium sulfide, hydrogen peroxide and sodium bicarbonate; good flotation selectivity |
| 02/14/1995 | CA2024875C Flotation machine for deinking |
| 02/09/1995 | WO1995003891A1 Aryl ether monosulfonate collectors useful in the flotation of minerals |
| 02/08/1995 | EP0637260A1 Procedure and means for processing liquids |
| 02/02/1995 | DE4325017A1 Process for the flotation of copper and cobalt ores |
| 01/31/1995 | US5385600 Separating into two concentrates; one for pyrometallurgy and one for hydrometallurgy |
| 01/31/1995 | CA1334219C Froth flotation of mineral fines |
| 01/25/1995 | EP0494157B1 Flotation process for removing fillers from waste paper in the presence of polymers and copolymers |
| 01/25/1995 | EP0494152B1 Use of at least partly water-soluble polymers for removing printing ink from printed waste paper and/or recycling water in the papermaking industry |
| 01/25/1995 | EP0375739B1 Water clarification system adapted for removing particulate matter of greater than a predetermined size |
| 01/25/1995 | CN1027500C Method for removal of organic solvents from aqueous process streams |
| 01/18/1995 | EP0634221A1 Process for the recovery of silver from zinc leaching residues by flotation |
| 01/18/1995 | EP0633810A1 Method and apparatus for effecting gas-liquid contact |
| 01/18/1995 | CN1097357A Method for defoaming in floatation of ore concentrate |
| 01/17/1995 | US5382358 Apparatus for dissolved air floatation and similar gas-liquid contacting operations |
| 01/14/1995 | CA2127839A1 Process for the recovery of silver by flotation from the residue from the wet extraction of zinc |
| 01/11/1995 | CN1097152A Floatation separating method for mineral |
| 01/10/1995 | US5379902 Mixing coal slurry with emulsion of heavy oil |
| 01/03/1995 | US5377844 Separation of normally hydrophobic plastic materials by froth flotation |
| 12/28/1994 | CN1027141C Production process of bar or granular xanthate |
| 12/27/1994 | US5376266 Water clarification method and apparatus |
| 12/08/1994 | DE4426159A1 Flotation device |
| 12/07/1994 | EP0627264A1 Injector for flotation devices |
| 12/07/1994 | EP0626932A1 Dissolved air flotation |
| 11/29/1994 | US5368166 Device for automatically controlling the process of separating froth concentrate from gangue in a floatation machine |
| 11/24/1994 | WO1994026857A1 Aqueous detergent mixtures |
| 11/24/1994 | WO1994026419A1 Method of floating calcium carbonate ore and flotation reagent therefor |
| 11/22/1994 | US5366698 Apparatus for effecting gas liquid contact |
| 11/22/1994 | CA2052671C Flotation reactor with external bubble generator |
| 11/22/1994 | CA1333199C Process for the recovery of silver from the pb/ag cake |
| 11/16/1994 | CN2182678Y Automatic control instrument for ion concentration of ore sludge |
| 11/16/1994 | CN1094998A Separation of mixed ore concentrate containing gold, silver, lead sulfide, copper and sulphur |
| 11/16/1994 | CN1094997A Three chemical agents for inhibiting arsenic mineral in metal mineral floating separation |
| 11/10/1994 | WO1994025136A1 Process and device for the treatment of a solution or aqueous emulsion of a given substance |
| 11/04/1994 | CA2122803A1 Injector for a flotation device |
| 11/02/1994 | EP0622122A1 Flotation cell with an injector |
| 11/02/1994 | CN1094334A Single-trough floatation machine |
| 10/27/1994 | WO1994023841A1 Method of mineral ore flotation by atomised thiol collector |
| 10/27/1994 | CA2160453A1 Method of mineral ore flotation by atomised thiol collector |
| 10/26/1994 | EP0621076A1 Method for the separation of solids |
| 10/26/1994 | EP0620763A1 Apparatus and method for separation of wet particles |
| 10/26/1994 | EP0620756A1 Gas particle formation. |
| 10/26/1994 | CN2180334Y Air self-suction circulation jet current type flotation machine |
| 10/25/1994 | US5358120 Selective separation of finely-divided minerals by addition of selective collector reagent and centrifugation |
| 10/11/1994 | CA1332428C 1,4-disubstituted-2,3,5,6-tetrahydroxy-1,4- diphosphorinanes |
| 10/05/1994 | EP0618012A1 Flotation device |
| 10/05/1994 | CN1093022A Coal flotation process |
| 10/04/1994 | US5352421 Method and apparatus for effecting gas-liquid contact |
| 10/03/1994 | CA2120436A1 Flotation system |
| 09/29/1994 | WO1994021561A1 Compact clarifier system for municipal waste water treatment |