Patents for B03D 1 - Flotation (8,101)
10/1980
10/07/1980USRE30411 Process for purifying sodium hydroxide
10/07/1980US4226708 Variable wall and vortex finder hydrocyclone classifier
10/07/1980US4226706 Dispersed air flotation machine
10/07/1980US4226705 Method of producing microbubbles for treating a suspension
10/07/1980CA1087327A1 Beneficiation of fluorspar ore
10/01/1980EP0016354A1 Process for benefication of fluorspar ores
09/1980
09/30/1980US4225428 Using quaternary ammonium chloride and perchloric acid
09/23/1980CA1086433A1 Flotation of oxidized coal with a latex emulsion of sodium polyacrylate
09/23/1980CA1086238A1 Sewage settling tank
09/16/1980US4222871 Improvements in the separation of liquid mixtures by ultrafiltration
09/16/1980US4222862 Flotation of oxidized coal with a latex emulsion of sodium polyacrylate used as a promoter
09/16/1980US4222861 Polysodium acrylate
09/16/1980US4222857 Apparatus for separating selected particulate materials from a mixture of solids and liquids
09/16/1980CA1085975A1 Froth flotation process
09/09/1980CA1085519A1 Process for the concentration of mineral by flotation process
09/09/1980CA1085172A1 Flotation process
09/02/1980US4220612 Flotation cell feed duct
09/02/1980US4220532 Flotation purification apparatus
09/02/1980US4220525 Beneficiation of metallic ores by froth flotation using polyhydroxy amine depressants
09/02/1980US4220524 Collector agent for the recovery of metal values in sulphide ores by froth flotation
09/02/1980US4220523 Flotation of finer silica, screening, comminution
08/1980
08/26/1980CA1084638A1 Method of increasing the yield of oxidized coal in flotation concentrations
08/19/1980CA1084178A1 Process for recovering zinc sulphide from zinc sulphide containing concentrates
08/12/1980US4217109 Composition comprising a pulverized purified substance, water and a dispersing agent, and a method for preparing the composition
08/06/1980EP0013758A1 Process for deinking printed waste paper
08/05/1980US4216085 Flotation method and apparatus
08/05/1980CA1083062A1 Treatment of far sands
07/1980
07/29/1980US4214987 Two stage wastewater flotation
07/29/1980US4214983 Atacamite, using an amine salt of a hydroxamic acid as collector promoter in froth flotation process
07/29/1980US4214982 Process and device for removing printer's ink from a fiber suspension
07/29/1980US4214710 Froth flotation of zinc sulfide
07/23/1980EP0013465A1 Staged froth flotation with intermediate recycle
07/22/1980US4213942 Tungsten or tin ores
07/22/1980US4213853 Froth flotation
07/22/1980US4213851 Activation of glass surfaces with solution of a metal salt
07/15/1980US4212898 Coating nuclear fuels with carbon and/or silicon carbide, classification by flotation
07/15/1980US4212730 Apparatus for separating and classifying diverse, liquid-suspended solids
07/08/1980US4211652 Water reclamation process
07/08/1980US4211651 Water reclamation process
07/08/1980US4211650 Water reclamation process
07/08/1980US4211644 Froth flotation process and collector composition
07/08/1980US4211642 Beneficiation of coal and metallic and non-metallic ores by froth flotation process using polyhydroxy alkyl xanthate depressants
06/1980
06/24/1980CA1080375A1 Froth flotation
06/24/1980CA1080374A1 Promoter for phosphate flotation
06/17/1980US4208487 Pine oil, creosote or cresylic acid and an amino-aldehyde resin
06/17/1980US4208276 Flotation plant
06/17/1980US4208275 Scheelite ore
06/10/1980US4207185 Froth flotation
06/10/1980US4207178 Process for beneficiation of phosphate and iron ores
06/10/1980US4206878 Beneficiation of iron ore
06/03/1980US4206053 Method of dewatering froth fines
06/03/1980US4206045 Process for froth flotation of phosphate using combination collector
06/03/1980CA1078976A1 Beneficiation of lithium ores by froth flotation
05/1980
05/20/1980US4203837 Process for removal of discrete particulates and solutes from liquids by foam flotation
05/20/1980CA1078082A1 Apparatus for clarification of waste water operating on dissolved air flotation process
05/20/1980CA1078081A1 Dispersed air flotation machine
05/06/1980CA1076777A1 Process for purifying sodium hydroxide
04/1980
04/29/1980US4200522 Using a fatty acid and a monoester of maleic or phthalic acid
04/22/1980US4199065 Process for recovery of fine coal
04/22/1980US4199064 Process for beneficiating non-sulfide minerals
04/22/1980CA1076272A1 Beneficiation of iron ores by froth flotation
04/16/1980EP0009502A1 A thermostatic mixing valve
04/15/1980US4198300 Apparatus for removing suspended oil droplets from water
04/15/1980US4198297 Removal of trace copper ions from water
04/15/1980US4198288 Froth flotation using polygalactomannan and a polyamide
04/15/1980CA1075836A1 Dewatering of wastewater treatment wastes
04/08/1980US4197180 Separating solids from liquids
04/01/1980US4196092 Conditioning agent for froth flotation of fine coal
04/01/1980US4196073 Hydrophilic thio compounds as selective depressants in the flotation separation of copper and molybdenum
04/01/1980CA1074924A1 Froth flotation process
03/1980
03/25/1980US4194969 Modifying formation of slimes by adding water soluble salts of aluminum. magnesium or zirconium
03/25/1980CA1074465A1 Froth flotation process
03/20/1980WO1980000423A1 Method and device for cleaning suspension fibres
03/20/1980WO1980000422A1 Froth flotation process
03/18/1980US4193791 Concentration of hydrated aluminum oxide minerals by flotation
03/11/1980US4192739 Process for beneficiation of non-sulfide ores
03/11/1980US4192737 Fuel oil and ethylene glycol monoacetate
03/11/1980CA1073563A1 Process for beneficiation of non-sulfide ores
03/04/1980US4191641 Flotation process with use of xanthogen chloropropyl formate reagents
03/04/1980CA1073125A1 Flotation machine with mixing and aeration impeller and method
02/1980
02/26/1980CA1072474A1 Deaerator circuit for bitumen froth
02/26/1980CA1072342A1 Recovery of lead
02/19/1980US4189103 Method of beneficiating phosphate ores
02/12/1980US4188287 Slow speed wedge bar flotation mixing device
02/05/1980CA1071337A1 Method for recovering scheelite from tungsten ores by flotation
02/05/1980CA1071336A1 Hydrophilic thio compounds as selective depressants in the flotation separation of copper and molybdenum
01/1980
01/29/1980US4186094 Apparatus for eliminating by flotation impurities in the form of solid particles contained in a liquid
01/29/1980US4186087 Method and apparatus for separating substances from liquids by flotation using bubbles
01/29/1980US4186083 Process for froth flotation of non-sulfide minerals
01/22/1980US4184967 Apparatus for clarifying waste water
01/22/1980CA1070441A1 Mineral beneficiation by froth flotation: use of alcohol ethoxylate partial esters of polycarboxylic acids
01/15/1980CA1070034A1 Differential froth flotation of molybdenum sulfide from copper sulfide
01/15/1980CA1069856A1 Waste water treatment using microbubbles
01/08/1980CA1069623A1 Apparatus and method for separating a mixture of liquid and coal fines
01/01/1980US4181614 Sludge removal apparatus
12/1979
12/11/1979US4178235 Using 5-hydroxyquinoline as the collector
12/11/1979CA1068018A1 Apparatus for aerobic treatment of activated sludge
11/1979
11/27/1979US4176062 Process for the separation of foam from effluents of coke oven plants
11/27/1979US4176058 Method means for de-silting water
11/20/1979CA1066820A1 Flotation apparatus with mechanical agitation
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