Patents for B03D 1 - Flotation (8,101)
03/1999
03/25/1999DE19741323A1 Differentiation and separation of mixed, coarse plastic granules
03/17/1999CN1210978A Electrochemical detecting and controlling method for beneficiation chemical
03/09/1999US5879542 Flotation process
03/03/1999CN1209360A State micro-bubble floatation column intensified sorting method and device therefor
02/1999
02/28/1999CA2246160A1 Rotation shaft with vibration damping device
02/23/1999CA2138145C Concentration of minerals
02/18/1999CA2213264A1 Collector compositions for concentrating minerals by froth flotation
02/17/1999CN1207962A Bauxite floatation method
02/16/1999CA2108071C An activator-frother composition
02/10/1999CN1207720A Flotation apparatus and process
02/03/1999EP0894892A1 Flotation process and apparatus to remove contaminants from a fibers suspension
02/03/1999EP0894891A1 Process and apparatus to eliminate solids from an aqueous fiber suspension
02/03/1999CN1041897C Self-suction type floation machine
02/02/1999US5865318 Reverse crago process for siliceous phosphates
01/1999
01/28/1999WO1999003813A1 Amine ether acid salt surfactant composition
01/28/1999WO1999003592A1 Fluid conditioning system and method
01/28/1999CA2301146A1 Amine ether acid salt surfactant composition
01/28/1999CA2295521A1 Fluid conditioning system and method
01/26/1999US5863441 Three zone dissolved air flotation clarifier with improved efficiency
01/26/1999CA2148771C Process and device for non-agitated flotation of substances with a low degree of hydrophoby and/or low stability in the foam structure, in particular of salt mixtures
01/20/1999CN2304476Y Dual vortex static micro-foam flotation column
01/20/1999CN2304475Y Self sucking assembled micro-foam generator
01/20/1999CN2304474Y Static micro-foam flotation column
01/20/1999CN2304473Y Two side overflow floating foam collecting tank
01/20/1999CN2304456Y Micro-bubble generator
01/19/1999CA2142491C Coal flotation process
01/14/1999CA2243012A1 Reduction of ph modifying agent in the flotation of copper minerals
01/14/1999CA2242963A1 Enhanced effectiveness of sulphoxy compounds in flotation circuits
01/13/1999EP0889917A1 Novel polymeric sulfide mineral depressants
01/12/1999US5858214 Adding polymer, collector; flotation
01/07/1999EP0888819A1 Method and plant for removing impurities from an aqueous suspension of fibrous matter
01/07/1999EP0888246A1 Flotation apparatus and process
01/07/1999DE19728394A1 Cleaning fibre suspensions
01/05/1999US5855771 Pyrite depressant useful in floation separation
01/05/1999US5855770 Base metal mineral flotation processes
01/05/1999US5855769 Apparatus and method for selective separation of hydrophobic material
12/1998
12/29/1998US5853571 Pyrite depressant useful in flotation separation
12/26/1998CA2241602A1 Reagent consumption in mineral separation circuits
12/26/1998CA2208767A1 Tar sands extraction process
12/23/1998WO1998057749A1 Ultrasonic conditioning and wet scrubbing of fly ash
12/23/1998EP0885185A1 Betaine gemini surfactants made from amines
12/23/1998EP0885067A1 Sparger system including jet stream aerator
12/23/1998CN1202396A Flotation underflow draining floating control method
12/23/1998CA2292634A1 Ultrasonic conditioning and wet scrubbing of fly ash
12/22/1998CA2033886C Method and apparatus for feeding air into a flotation cell
12/17/1998WO1998056509A2 Centrifugal flotation cell with rotating drum
12/17/1998WO1998056493A1 Filtration apparatus and method
12/17/1998WO1998056483A1 Centrifugal flotation cell with rotating feed
12/10/1998WO1998032538A3 Apparatus and method for induced air flotation
12/09/1998EP0882509A2 Method and device for treating materials
12/09/1998EP0744995A4 Apparatus and method for selective separation of hydrophobic material
12/08/1998US5846413 Three zone dissolved air flotation clarifier with improved efficiency
12/08/1998US5846407 Pyrite depressant useful in flotation separation
12/08/1998CA2051327C Automatic density control system for a froth flotation vessel
12/05/1998CA2208749A1 Reciprocal skimming device for dissolved air floatation basins
12/03/1998WO1998054403A1 Baffle for reactors used for liquids purification
12/03/1998WO1998054402A1 Perfected reactor for liquids purification
12/02/1998EP0881033A1 Method and apparatus for supplying and separating recovering liquid coolant for cutting machines and grinding machines
12/02/1998EP0880389A1 Process for centrifugal separation of material
11/1998
11/25/1998CN1040847C Anionic collecting agent
11/24/1998US5840179 Ultrasonic conditioning and wet scubbing of fly ash
11/24/1998US5840157 Deinking agent and method of deinking through flotation using the deinking agent
11/24/1998US5840156 Froth flotation process for deinking wastepaper using multiflow pressurized deinking module
11/19/1998WO1998051618A1 Method for removing biomass from a liquid by means of a reactor
11/19/1998DE19803089A1 Method of separating solids from a suspension using flotation in a clarification tank
11/19/1998DE19719539A1 Solid separation from suspension by induced air flotation
11/18/1998CN1199386A Biological method of treating sewage contg. high concentrations of sludge
11/18/1998CN1198963A Method for floatation of copper nickel sulfide mineral
11/17/1998US5837210 Method for processing gold-bearing sulfide ores involving preparation of a sulfide concentrate
11/17/1998CA2051326C Device for automatic regulation of the process of separating froth concentrate from gangue in a floatation machine
11/11/1998EP0876222A1 Biodegradable quaternary esters used as flotation aids
11/11/1998EP0649346B1 Device for centrically charging circular tanks
11/11/1998CN1040625C Floatation separation process for arsenblende
11/05/1998DE19718217A1 Purification of work medium especially from cooling lubricant systems, emulsions or solutions
11/05/1998DE19718215A1 Purification of work medium, especially from cooling lubricant systems, emulsions or solutions
11/04/1998EP0874693A1 Process for recovering minerals and compositions for use in this
10/1998
10/28/1998EP0873194A1 Vortex system for separating particles from a liquid stream
10/28/1998CN1040399C Floatation machine
10/22/1998WO1998046824A1 Multiflow pressurized deinking apparatus
10/22/1998CA2286292A1 Multiflow pressurized deinking apparatus
10/21/1998EP0871590A1 Apparatus for distribution and dispersion of air saturated water
10/21/1998EP0779840B1 Gas entrainment/flotation reactor with arrangements for separating solids from liquids
10/21/1998CN1196279A Flotation agent for titanium fine mine and its oxidation mine
10/08/1998WO1998043741A1 Methods of beneficiating siliceous phosphates
09/1998
09/29/1998US5814228 Flotation method and apparatus
09/29/1998US5814210 Apparatus and process for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles
09/25/1998CA2200899A1 Method for processing a diluted oil sand froth
09/24/1998WO1998041328A1 Fibre optic sagnac nterferometer
09/24/1998WO1998041327A1 Progressive mineral reduction with classification, grinding and air lift concentration
09/24/1998WO1998041326A1 Waste egg shell components recovery
09/24/1998CA2282718A1 Waste egg shell components recovery
09/22/1998US5811066 Wet scrubbing with suspension of activated carbon in lime water
09/22/1998US5810998 Fractionating the slurry of raw kaolin clay by centrifuging into finer and coarser particles, mixing coarser particle with a fatty acid or hydroxamate collectors for conditioning and froth floation, combining finer and coarser particles
09/17/1998DE19710529A1 Verfahren zur Anreicherung von Silber oder anderen Wertmetallen durch Flotation aus einer Suspension, beispielsweise aus den Rückständen der Zinklaugung Method for the enrichment of silver or other precious metals by flotation from a suspension, for example, from the residues of wet extraction of zinc
09/15/1998US5807479 Process for recovering copper from copper-containing material
09/15/1998CA2064144C Flotation machine
09/09/1998EP0641292B1 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation
09/08/1998US5804061 Multiflow pressurized deinking apparatus
09/03/1998WO1998037970A1 Hydroxy-carboxylic acid grinding aids
09/01/1998US5799882 Hydroxy-carboxylic acid grinding aids
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