Patents for B03D 1 - Flotation (8,101)
05/1996
05/02/1996CA2203108A1 Method and equipment for the purification of a liquid
05/01/1996EP0709121A2 Pressurized, sparged flotation column
05/01/1996CN2225899Y Flash flotation machine
04/1996
04/30/1996US5512171 Particle separator
04/30/1996US5511669 Membrane washing apparatus for flotation device
04/23/1996US5510044 Composition for froth flotation of mineral ores comprising amine and frother
04/23/1996US5510039 Flotation
04/23/1996US5509535 Flotation apparatus
04/21/1996CA2133911A1 Method and apparatus to improve secondary froth quality within oil and oil extraction processes
04/16/1996US5507395 Improving froth flotation with a depressant comprising a graft polymer of vinyl alcohol and an acrylamides
04/16/1996US5507394 Includes a hydrocarbon extender oil, a long chain aliphatic amine and an acid emulsifier
04/10/1996CN2224031Y Stirring-separating-separated bubble floatation cell
04/09/1996US5505310 2-mercapto-benzoxazole derivatives as collectors for the selective flotation of metal ores
04/03/1996EP0703828A1 Process and device for separating suspended substances from fluids
03/1996
03/20/1996EP0674547A4 A polyvinyl chloride-polyethylene terephthalate separation process and product.
03/19/1996US5500135 Method for effecting gas-liquid contact
03/19/1996US5500117 Cyclone-turbines, intended especially for flotation systems designed for treating water polluted by hydrocarbons
03/14/1996WO1996007483A1 Gas entrainment/flotation reactor with arrangements for separating solids from liquids
03/14/1996DE4432042A1 Begasungs-/Flotations-Reaktor und Regeleinrichtung Gassing / flotation reactor and control device
03/13/1996EP0701018A1 Process for the recycling of silicone coated paper
03/06/1996EP0699106A1 Method of floating calcium carbonate ore and flotation reagent therefor
03/06/1996CN2221447Y Secondary separating flotation ink-removing machine
03/05/1996CA1338110C Polymeric sulfide mineral depressants
02/1996
02/28/1996EP0683693A4 Method and apparatus for separation by flotation.
02/22/1996WO1996005361A1 Flotation deinking of wastepaper using a froth controlling agent
02/22/1996DE4429277A1 Regulating flotation cell for de=inking waste paper
02/20/1996US5492630 Waste water treatment includes a container for receiving and retaining waste water for settling heavy particles and floatation of light particles to the surface of waste water
02/20/1996US5492622 Water clarification apparatus
02/20/1996CA2014882C Depression of the flotation of silica or siliceous gangue in mineral flotation
02/15/1996DE19519865A1 Selective sepn. of various plastics from particle mixt. by flotation
01/1996
01/31/1996EP0693968A1 Method of mineral ore flotation by atomised thiol collector
01/24/1996EP0693318A1 Flotation device
01/24/1996CN1115264A Coal flotation agent compsn. and its prepn. method
01/18/1996WO1996001150A1 Physical separation processes for mineral slurries
01/17/1996CN1114920A Kalin-type suction flotation method for gold ore
01/16/1996US5484534 Energy conserving method of water treatment
01/10/1996CN1114596A Method for preparation of collecting agent of oxidized ore
01/09/1996US5482535 Process for the recovery of silver by floatation from the residue from the wet extraction of zinc
01/03/1996EP0689521A1 Compact clarifier system for municipal waste water treatment
01/02/1996US5480558 Soil washing
12/1995
12/21/1995DE4421207A1 Surface-active fullerene derivs.
12/19/1995CA1337774C Flotation machine
12/19/1995CA1337742C Method controlling a process by impedance analysis
12/14/1995DE4420210A1 Sepn. of solids and hydrophobic matter in suspensions
12/13/1995EP0686724A1 Deinking agent and method of deinking by flotation using said agent
12/13/1995EP0686603A1 Process and device for separating solid and liquid matter from industrial waste water by electroflotation
12/13/1995CN2214847Y Slurry suction inflated impeller of flotation machine
12/05/1995US5472094 Hydraulic separator
11/1995
11/29/1995EP0683693A1 Method and apparatus for separation by flotation
11/29/1995CN2213575Y Flotation cyclone
11/28/1995US5470465 Vortex system for separating particles from a liquid stream
11/28/1995CA2023904C Deinking and bleaching secondary fiber
11/27/1995CA2150211A1 Flotation process for the flotation of coarse fractions of potash ores
11/22/1995EP0682985A1 Apparatus for the high-level clarification of liquids containing suspended solid particles
11/22/1995CN2213026Y V shape rotor with impeller of large size flotation cell
11/22/1995CN2213025Y Changeable aerator type flotation cell
11/21/1995US5468407 Dialkylbenzene monosulfonate collectors useful in ore flotation
11/21/1995US5467876 Method and apparatus for concentration of minerals by froth flotation
11/21/1995CA2149799A1 Apparatus for the high-level clarification of liquids containing suspended solid particles
11/14/1995US5465848 Flotation cell and injector
11/07/1995US5464542 Forming filter cakes on drums, ejection and sealing
11/02/1995WO1995029012A1 Device for introducing gas into a suspension
10/1995
10/31/1995US5462669 Method for dissolved air floatation and similar gas-liquid contacting operations
10/31/1995CA2037464C Method of depressing readily floatable silicate materials
10/26/1995DE4414272A1 Vorrichtung zur Begasung einer Suspension Apparatus for fumigation of a suspension
10/19/1995WO1995027566A1 Process and device for separating suspended substances from fluids
10/17/1995US5458738 Pulp and paper mill
10/12/1995WO1995026930A1 Method and equipment for treatment of a liquid flow to be cleaned and passed into a flotation plant or equivalent
10/12/1995DE4411991A1 Verfahren und Vorrichtung zum Abtrennen von suspensierten Stoffen aus Flüssigkeiten Method and apparatus for separating substances from liquids suspensierten
10/10/1995US5456363 Method of removing carbon from fly ash
10/10/1995US5456362 Flutation process for the flutation of coarse fractions of potash ores
10/04/1995EP0674547A1 A polyvinyl chloride-polyethylene terephthalate separation process and product
09/1995
09/27/1995EP0674040A1 Process for de-inking paper pulp and apparatus for the application of the process
09/27/1995EP0673883A2 Method and apparatus for electrolytic treatment of industrial waste water
09/27/1995EP0428692B1 Method of recovery of hydrocarbons from contaminated soil or refuse materials
09/27/1995CA2145326A1 Process and apparatus for processing industrial waste water by electrolysis
09/19/1995US5451318 Solids separator boundary layer effect filtration system
09/13/1995EP0435985B1 A method of operating a plurality of minerals separation flotation cells
09/08/1995WO1995023647A1 Rectangular flotation plant
09/07/1995DE4406780A1 Plant for cleaning fluids from solid, liquid or gaseous foreign substances
08/1995
08/31/1995WO1995023027A1 Pressure-release flotation
08/31/1995DE4422034C1 High grade sodium chloride purificn. by leaching and flotation
08/23/1995EP0615467B1 2-mercapto-benzoxazole derivatives as collectors for the selective flotation of metal ores
08/23/1995CN1029547C Ore dressing method for raising bauxite grade
08/23/1995CN1029546C Flotation process for reducing content of iron and titanium impurities in bauxite
08/22/1995US5443158 Dispersing surfactant throught the slurry, conditioning slurry by mixing and agitating surface of coal particles to coat with surfactant, dispersing oil, second conditioning, selective floatation in presence of gas bubble, separation from gangue
08/17/1995WO1995021698A1 Apparatus and method for selective separation of hydrophobic material
08/17/1995CA2183225A1 Apparatus and method for selective separation of hydrophobic material
08/15/1995US5441156 Process and recovering minerals from non-sulfidic ores by flotation
08/10/1995DE4407064C1 Vorrichtung zur Gasblasenflotation Apparatus for Gasblasenflotation
08/10/1995DE4403684A1 Aq. detergent mixts.
08/08/1995US5439116 Contacting slurry with soluble metal salt activating agent followed by contact with cationic collector
08/08/1995US5439115 Process for selective flotation of copper-lead-zinc sulfide
08/03/1995WO1995020430A1 Solids separator boundary layer effect filtration system
08/01/1995US5437784 Injector for a flotation device
08/01/1995CA1336520C Alkylether frothing agent for ore flotation
07/1995
07/26/1995EP0568672B1 Flotation separation of arsenopyrite from pyrite
07/26/1995CN1105607A Self-suction type flotation machine
07/26/1995CN1105606A Anion collecting agent and preparing method thereof
07/25/1995US5435443 Method and apparatus for separating mixtures of substances
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