| Patents for B03D 1 - Flotation (8,101) |
|---|
| 11/06/1997 | WO1997041067A1 Three zone dissolved air flotation clarifier with improved efficiency |
| 11/06/1997 | WO1997040944A1 Process and apparatus for the separation of heavier from lighter fractions in aqueous slurries by means of centrifugal force |
| 11/03/1997 | CA2204087A1 Apparatus and method for improved high-efficiency dissolved air flotation fluid processing |
| 10/30/1997 | DE19616602A1 Motor-driven centrifugal separator or hydrocyclone for aqueous suspensions |
| 10/29/1997 | CN1036251C Single-trough floatation machine |
| 10/22/1997 | EP0801989A1 Flotation method and mixing device for carrying it out |
| 10/15/1997 | EP0800422A1 Flotation cell crowder device |
| 10/14/1997 | US5676823 Sparger system including jet stream aerator |
| 10/02/1997 | WO1997035897A1 Novel polymeric sulfide mineral depressants |
| 10/01/1997 | EP0798416A1 Flotation process and device for separating solid particles of a paper fibre suspension |
| 09/30/1997 | US5672267 Flotation column with constant feed arrangement |
| 09/30/1997 | CA2038815C Device for separation of air from flotation slush |
| 09/25/1997 | WO1997034677A1 Counter-flow liquid clarifier |
| 09/19/1997 | CA2172028A1 Flotation of oil-agglomerated coal for ash and pyrite removal-simultaneous grinding and agglomeration |
| 09/17/1997 | EP0794926A1 Flock separating apparatus |
| 09/14/1997 | CA2200019A1 Flotation cell row |
| 09/12/1997 | WO1997032669A1 Sparger system including jet stream aerator |
| 09/12/1997 | CA2248037A1 Sparger system including jet stream aerator |
| 09/10/1997 | EP0794157A1 Water treatment by means of electroflotation and electrocoagulation |
| 09/10/1997 | CN1158824A Continuous water-treating method, equipment and system |
| 09/09/1997 | US5665227 Dual-flow protein skimmer |
| 09/04/1997 | WO1997031890A1 Betaine gemini surfactants made from amines |
| 09/04/1997 | DE19608117A1 Betain-Geminitenside auf der Basis von Aminen Gemini surfactants of betaine on the basis of amines |
| 09/03/1997 | EP0792186A1 Combustion exhaust gas scrubbing process and device |
| 09/03/1997 | CN2261297Y Dual vortex strengthened flotation cell |
| 09/02/1997 | US5662790 Air contactor with foam separation vessel system |
| 08/27/1997 | EP0790960A1 Wastewater treatment method and plant |
| 08/26/1997 | US5660718 Method and apparatus for separation by flotation |
| 08/21/1997 | WO1997029882A1 Method and apparatus for supplying and separating recovering liquid coolant for cutting machines and grinding machines |
| 08/21/1997 | CA2245893A1 Method and apparatus for supplying and separating recovering liquid coolant for cutting machines and grinding machines |
| 08/20/1997 | EP0789672A1 Apparatus for producing air saturated water |
| 08/13/1997 | EP0620756B1 Gas particle formation |
| 08/07/1997 | WO1997027924A1 Process for centrifugal separation of material |
| 08/06/1997 | EP0787107A1 Method and equipment for the purification of a liquid |
| 08/05/1997 | US5653945 Method for processing gold-bearing sulfide ores involving preparation of a sulfide concentrate |
| 07/31/1997 | WO1997026995A1 Biodegradable quaternary esters used as flotation aids |
| 07/31/1997 | DE19602856A1 Biologisch abbaubare Esterquats als Flotationshilfsmittel Biodegradable ester quats as flotation |
| 07/31/1997 | CA2244899A1 Biologically degradable esterquats as flotation aids |
| 07/29/1997 | US5651879 Cell for treating a liquid medium by means of flotation |
| 07/23/1997 | EP0562040B1 Aryl monosulfonate collectors useful in the flotation of minerals |
| 07/23/1997 | EP0559772B1 Method for producing high opacifying kaolin pigment |
| 07/22/1997 | US5650044 Paper-pulp deinking method and equipment to implement this method |
| 07/17/1997 | WO1997025149A1 Process for recovering minerals and compositions for use in this |
| 07/17/1997 | CA2241311A1 Process for recovering minerals and compositions for use in this |
| 07/08/1997 | US5645649 Method for proportioning the flow of foaming and defoaming agents and controlling foam formation |
| 07/08/1997 | US5645092 Process and installation for cleaning partially de-leafed leafy salad vegetables and removing small foreign bodies therefrom |
| 07/02/1997 | CN1153085A Ordinary temp. froth flotation collector for collophanite |
| 07/01/1997 | US5643459 Flotation method and apparatus |
| 06/25/1997 | EP0779840A1 Gas entrainment/flotation reactor with arrangements for separating solids from liquids |
| 06/12/1997 | WO1997020775A1 Flotation apparatus and process |
| 06/12/1997 | CA2239468A1 Flotation apparatus and process |
| 05/30/1997 | CA2191009A1 Dual-flow protein skimmer |
| 05/28/1997 | CN2254777Y Flotation machine |
| 05/22/1997 | WO1997018039A1 Vortex system for separating particles from a liquid stream |
| 05/22/1997 | CA2237672A1 Vortex system for separating particles from a liquid stream |
| 05/21/1997 | CN1150065A Process for preparing fluorite collector agent |
| 05/21/1997 | CN1034915C Kalin-type suction flotation method for gold ore |
| 05/14/1997 | CN1149510A Feldspar iron-removing ore dressing technology |
| 05/09/1997 | WO1997016254A1 Flotation cell crowder device |
| 05/09/1997 | CA2214337A1 Flotation cell crowder device |
| 05/07/1997 | CN2253676Y High-efficient flotation cell |
| 05/02/1997 | EP0770428A1 Flotation plant with cyclic liquid volume variation |
| 04/29/1997 | US5624609 Enhancements to the air injection devices in a paper pulp flow for de-inking thereof |
| 04/24/1997 | DE19618126C1 Simultaneous flotation and sedimentation carried out in circular tank under anaerobic conditions |
| 04/17/1997 | WO1997013726A1 Biological method of treating sewage containing high concentrations of sludge |
| 04/17/1997 | DE19537698A1 Biologische Abwasserreinigung bei hohen Schlammkonzentrationen Biological wastewater treatment sludge at high concentrations |
| 04/17/1997 | CA2234559A1 Biological waste water treatment at high sludge concentrations |
| 04/10/1997 | DE19615089C1 Paper suspension flotation useful esp. for solid impurity sepn. |
| 04/09/1997 | CN2251442Y Microfroth flotation machine |
| 04/02/1997 | EP0662865B1 Coal flotation process |
| 03/27/1997 | WO1997010889A1 Use of stearic acid esters of polypropylene glycol to control foam |
| 03/27/1997 | CA2232395A1 Use of stearic acid esters of polypropylene glycol to control foam |
| 03/20/1997 | WO1997010063A1 Mobile soil treatment apparatus and method |
| 03/18/1997 | US5611917 Flotation cell crowder device |
| 03/18/1997 | US5611916 Aqueous composition useful in ore flotation containing aliphatic amine |
| 03/18/1997 | CA2045448C Flotation machine |
| 03/11/1997 | US5609769 Water treatment methods |
| 03/05/1997 | CN1144144A Method for raising microfine particle mineral flotation efficiency and its device |
| 02/27/1997 | WO1997006892A1 Flotation tank impeller |
| 02/25/1997 | CA2045446C Flotation machine |
| 02/19/1997 | CN1143336A Rectangular floatation plant |
| 02/19/1997 | CN1142990A Dewatering system |
| 02/13/1997 | WO1997005078A1 Process for conditioning kaolin clays prior to removing impurities |
| 02/12/1997 | EP0757591A1 Device for introducing gas into a suspension |
| 02/12/1997 | CN2247057Y Eddy flotation machine |
| 02/11/1997 | US5601703 Desulfurization, demineralization using hydrodynamic washing, frothing |
| 02/06/1997 | WO1997003754A1 Process for recovering copper from copper-containing material |
| 02/04/1997 | US5599442 Collector composition for flotation of activated sphalerite |
| 02/04/1997 | US5599137 Mobile soil treatment apparatus and method |
| 01/30/1997 | WO1997002906A1 Process for the recovery of heavy metals such as lead from metal contaminated soil |
| 01/30/1997 | CA2223052A1 Process for the recovery of heavy metals such as lead from metal contaminated soil |
| 01/22/1997 | EP0754164A1 Method and equipment for treatment of a liquid flow to be cleaned and passed into a flotation plant or equivalent |
| 01/07/1997 | US5591348 Sewage treatment |
| 01/07/1997 | US5591347 Single cell gas flotation separator with filter media |
| 01/07/1997 | US5591328 Gas particle formation |
| 01/07/1997 | US5591327 Flotation equipment |
| 01/02/1997 | EP0751253A2 Absorbent granular material and process and apparatus for making the absorbent granular material |
| 01/02/1997 | DE19523113A1 Appts. for sepg. solids from liquids comprises helical screw conveyor assembly |
| 12/27/1996 | EP0749356A1 Pressure-release flotation |
| 12/19/1996 | WO1996040439A1 Method of depressing non-sulfide silicate gangue minerals |