Patents
Sitemap › B03 - Separation of solid materials using liquids or using pneumatic tables or jigs; Magnetic or electrostatic separation of solid materials from solid materials or fluids; Separation by high-voltage electric fields › B03D - Flotation; Differential sedimentation › B03D 1 - Flotation
Patents for B03D 1 - Flotation (8,101)
12/1999
12/02/1999WO1999061699A1 Method and device for flotation of pollutants from an aqueous fibrous material suspension
12/02/1999WO1999061669A1 Mineral collector compositions of fatty hydroxamic acid in admixture with an oil and process of making same
12/01/1999CN1236674A Jet aspiration type of cyclone separator for floatation
11/1999
11/30/1999US5992640 Precious metals recovery from ores
11/23/1999US5989437 Apparatus for producing air-saturated water
11/23/1999US5988396 Ultrasonic conditioning and wet scrubbing of fly ash
11/18/1999WO1999058248A1 Froth flotation
11/16/1999US5985138 Tar sands extraction process
11/10/1999EP0954379A2 Apparatus and method for induced air flotation
11/09/1999US5979665 Paper-pulp deinking method and equipment to implement this method
11/09/1999CA2124359C 2-mercapto-benzoxazole derivatives as collectors for the selective flotation of metal ores
11/04/1999WO1999055837A2 Improvements in or relating to separation processes
11/03/1999EP0703828B1 Process and device for separating suspended substances from fluids
11/03/1999CN2346507Y Wasted paper ink removing hydrosizer
11/02/1999CA2163688C Base metal mineral flotation processes
11/02/1999CA2117620C Membrane washing apparatus for flotation device
10/1999
10/28/1999WO1999054543A1 Flotation module for pressurized deinking
10/28/1999CA2329907A1 Flotation module for pressurized deinking
10/27/1999EP0952113A2 Plant for the treatment of washing water
10/26/1999CA2139526C Microbubble flotation apparatus with recycle
10/20/1999CN2344089Y Floatation underflow discharge floating control device
10/14/1999DE19823053C1 Hand-operated sludge removal pump for garden ponds
10/13/1999CN1231219A Process for preparing iron ore antifloating inhibitor
10/12/1999US5965857 Flotation cell row
10/07/1999DE19845536A1 Removal of finer contaminants from papermaking suspension by froth flotation process
10/06/1999CN1230905A Compositions and method for ore beneficiation
10/06/1999CN1230468A Coal floating agent
10/05/1999US5962828 Enhanced flotation reagents for beneficiation of phosphate ores
10/05/1999US5961830 Wastewater treatment method and plant
09/1999
09/30/1999WO1999049127A1 A process for removing contaminants from waste paper
09/29/1999EP0873194A4 Vortex system for separating particles from a liquid stream
09/28/1999US5959054 Polymeric sulfide mineral depressants
09/23/1999DE19810650A1 Removal of small particles from process water
09/14/1999US5951875 Adsorptive bubble separation methods and systems for dewatering suspensions of microalgae and extracting components therefrom
09/01/1999EP0757591B1 Device for introducing gas into a suspension
08/1999
08/24/1999US5942111 Vertical cylinder for separation
08/11/1999EP0830209B1 Method of depressing non-sulfide silicate gangue minerals
08/10/1999US5936216 Screening, slurrying, conditioning slurry, aerating with air for frothing
07/1999
07/29/1999WO1998043741A9 Methods of beneficiating siliceous phosphates
07/28/1999EP0754164B1 Method and equipment for treatment of a liquid flow to be cleaned and passed into a flotation plant
07/28/1999EP0739408B1 Tenside mixtures
07/28/1999CN2330417Y U-type rotor blade wheel for floatation machine for mineral separation
07/27/1999US5929408 Compositions and methods for ore beneficiation
07/27/1999US5928509 Bubble floating type separator
07/27/1999US5928125 Centrifugal flotation cell with rotating drum
07/22/1999WO1999036165A1 Method for generating and circulating a foam in an installation and device for carrying out said method
07/21/1999EP0929624A1 Surfactant-containing formulations
07/21/1999EP0929362A1 Compositions and methods for ore beneficiation
07/21/1999CN2329448Y Open-type non froth flotation ink-removing machine
07/20/1999US5925862 Process for the recovery of cobalt from ores containing metal sulfides
07/14/1999EP0928842A2 Coarse wet particles and process for making the coarse wet particles
07/14/1999EP0928350A1 Baffle for reactors used for liquids purification
07/14/1999CN1044096C Bubble floatation plant
07/13/1999US5923012 For extracting floatable minerals from a slurry
07/13/1999CA2116276C Flotation processes
07/07/1999EP0927158A1 Amphiphilic compounds with at least two hydrophilic and at least two hydrophobic groups based on dicarboxyclic acid du esters
07/06/1999US5919975 Aromatic and aliphatic sulfonates and properties and applications thereof
07/06/1999US5919376 Vessel divided into a concentrate chamber and a permeate chamber by a permeable septum. ultrasonic wave generator.
07/01/1999WO1999032407A1 Flotation reactor and method for flotation
07/01/1999WO1999032229A1 Device and method for improving flotation process using magnetic fields
07/01/1999DE19756962A1 Flotationsreaktor sowie Verfahren zur Flotation Flotation reactor and process for the flotation
06/1999
06/29/1999US5916446 Process and apparatus for the separation of solid matter via flotation
06/24/1999WO1999031314A1 Multiflow pressurized deinking apparatus
06/24/1999WO1999030793A1 Inlet arrangement
06/23/1999EP0924336A1 Process for deinking pulp from waste paper
06/22/1999US5914034 Centrifugal flotation cell with rotating feed
06/22/1999CA2153555C Flotation apparatus
06/16/1999EP0921862A1 A process for purification of a fibre suspension
06/15/1999CA2151316C Process for improved separation of sulphide minerals or middlings associated with pyrrhotite
06/15/1999CA2150213C Aqueous composition useful in ore flotation containing aliphatic amine, extender oil, and emulsifier
06/15/1999CA2136200C Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation
06/09/1999CN2322686Y Slash flotation machine
06/09/1999CN2322685Y Filled static floatation column
06/03/1999WO1999027177A1 Method for deinking and other contaminent removal from wastepaper
06/02/1999EP0918566A1 Method and apparatus for controlling froth flotation machines
06/01/1999US5909022 Dual outlet pulp level control system for flash flotation devices
05/1999
05/20/1999WO1999024169A1 Flotation system
05/20/1999DE19750246A1 Use of carboxamide gemini surfactant(s)
05/20/1999CA2309187A1 Flotation system
05/19/1999EP0916000A1 Perfected reactor for liquids purification
05/12/1999CN2317944Y Jetting-inducing air floatation device
05/11/1999US5902977 Flotation cell and method
05/06/1999EP0912249A1 New collector composition for flotation of activated sphalerite
05/06/1999EP0787107B1 Equipment for the purification of a liquid
05/05/1999CN1216013A Method and apparatus for supplying and separating recovering liquid coolant for cutting machines and grinding machines
05/04/1999US5900154 Method and equipment for the purification of a liquid
05/04/1999CA2252682A1 Flotation recovery improvement through increased residence time via feed box, connection box and discharge box flotation
04/1999
04/27/1999US5897772 Draft tubes; froth floation
04/27/1999CA2119936C Flotation cell and injector
04/21/1999EP0790960A4 Wastewater treatment method and plant
04/21/1999CN1214704A Novel polymeric sulfide mineral depressants
04/14/1999EP0907419A1 Inductive radial-discharge funnel-shaped nozzle
04/14/1999EP0907418A1 Flotation plant
04/08/1999WO1999016550A1 A control device for a centrifugal separator
04/08/1999WO1998056493A9 Filtration apparatus and method
04/06/1999US5891326 Process for removing impurities from kaolin clays
04/06/1999CA2070630C Method and apparatus for effecting gas-liquid contact
04/01/1999WO1999015278A1 Apparatus for cleaning a suspension, preferably a fiber mass suspension
03/1999
03/31/1999EP0904156A1 Process and apparatus for the separation of heavier from lighter fractions in aqueous slurries by means of centrifugal force
03/30/1999US5888359 Flock separating apparatus
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