Patents for B03B 5 - Washing granular, powdered or lumpy materials; Wet separating (6,471)
08/1980
08/05/1980US4216095 Dynamic dense media separator
07/1980
07/29/1980US4214981 Steric field-flow fractionation
06/1980
06/26/1980WO1980001286A1 Apparatus for anaerobic fermentation of organic material in aqueous dispersion for the production of methane and organic by-products
06/25/1980EP0012740A1 Method and device to determine the particle distribution in particle mixtures
06/24/1980US4209386 Method and apparatus for the wet gravity concentration of ores
06/24/1980CA1080157A1 Process for separating mixtures of particles
06/17/1980US4207987 Apparatus and method for spiral separation of materials
06/10/1980US4207176 Reclamation of unset concrete aggregates
06/10/1980CA1079227A1 Separation of mixed ion exchange resins
06/03/1980CA1078788A1 Undersurface feed nozzles and pressurized rejects chamber for a liquid-gas screen
05/1980
05/28/1980EP0011146A1 Apparatus for continuously sorting shredded metal scrap
05/27/1980US4204949 Device for wet classification of a mixture of solid components according to size
05/20/1980US4203832 Device for separating heavier impurities from solid bodies in fluid flow
05/20/1980CA1077890A1 Separation of solids by varying the bulk density of a fluid separating medium
04/1980
04/29/1980US4200529 Suspension, centrifuging, ores
04/22/1980US4199441 Placer mining sluice box apparatus and method
04/22/1980CA1076067A1 Airfoil-shaped rotating stock screen cleaner with inner pumping rib
04/15/1980US4198291 Float-sink separation of coal with liquid SO2
04/15/1980US4198289 Froth flotation at boiling
04/08/1980CA1075206A1 Splitter assembly having an adjustable gap width
04/01/1980US4196078 Process and apparatus for dewatering granulated material, especially granulated blast furnace slag
03/1980
03/25/1980CA1074263A1 Tri-channel placer mining sluice box separator
03/25/1980CA1074261A1 Density classifier using ferro-paramagnetic slurry medium
03/04/1980US4191642 Method of separating granular pourable materials of different densities in a gaseous or liquid medium
02/1980
02/26/1980CA1072342A1 Recovery of lead
02/19/1980US4189378 Mineral separation
02/19/1980CA1072051A1 Circulating bed cell
02/05/1980US4187172 Apparatus for the separation of trash from less heavy firm articles in a flow of liquid
01/1980
01/23/1980EP0006867A1 Apparatus and process for ordinary and submarine mineral beneficiation
01/15/1980US4183806 Gravitational separator employing an improved eluent supply system
01/15/1980CA1069859A1 Method and apparatus for the separation of a mixture of mineral grains in water
12/1979
12/11/1979US4178233 Fluorinated hydrocarbons in coal mining and beneficiation
12/11/1979US4178231 Method and apparatus for coal separation using fluorinated hydrocarbons
12/11/1979US4177952 Impact scrubber
12/04/1979US4176749 Fractions of different densities
12/04/1979CA1067458A1 Dense medium separation
11/1979
11/13/1979CA1066231A1 Directionally vibrated slurry separator
11/06/1979US4173530 Methods of and apparatus for cleaning coal
11/06/1979CA1065800A1 Helical flow multichannel separator with improved eluent supply
11/06/1979CA1065799A1 Conical concentrator with partial flow combination
10/1979
10/30/1979CA1065124A1 Heavy pulps for the float-sink dressing of minerals
10/02/1979US4169787 Apparatus and method for liquid separation of materials
10/02/1979US4169786 Dense medium separation
09/1979
09/19/1979EP0004076A1 Apparatus and method for spiral separation of materials
09/18/1979CA1062663A1 Hydrocyclone with multi-start tangential infeeds
09/06/1979WO1979000622A1 Improvements in or relating to methods and apparatus for separating mixtures of particulate solids
08/1979
08/28/1979US4165841 Apparatus for separating contaminants from fibrous suspensions
08/14/1979CA1060346A1 Method for remineralizing tooth enamel
08/07/1979US4163723 Continuously operated liquid-solids separator
08/07/1979CA1059950A1 Water suspension and screening type classifier
07/1979
07/31/1979US4162969 Apparatus for separating material by specific gravity
07/24/1979US4162060 Semi-automatic water table
07/17/1979US4161443 Potato and rock sorter
07/17/1979US4161428 Superheated steam obtained from nuclear reactor, cyclone separator
07/17/1979CA1058543A1 Conditioning drum for use in hot water separation of bitumen from mined tar sands
07/03/1979CA1057703A1 Scooping drum type sand washer
06/1979
06/26/1979US4159242 Coal washing apparatus
06/12/1979US4157957 Splitter assembly having an adjustable gap width
06/12/1979US4157951 Flowing water upwardly through vessels
06/05/1979US4157295 Method and apparatus for testing and separating minerals
05/1979
05/22/1979US4155313 Utilization of solid material containing combustible matter
05/08/1979US4153543 Fractionating apparatus
05/01/1979US4152257 Granular or particulate ores
05/01/1979CA1053612A1 Density and magnetic separations
04/1979
04/24/1979US4151074 Wet-type sand classifier
04/24/1979US4150749 One side adjustable
04/18/1979EP0001418A1 Flotation plant and process for fibre recovery and liquid clarification, particularly for paper mill effluents
04/17/1979CA1052737A1 Metal separating process and apparatus
04/03/1979CA1051827A1 Sink float apparatus for cleaning coal and methods usable therein which employ halogenated hydrocarbon parting liquids
03/1979
03/27/1979US4146483 Vibrating screen
03/13/1979US4144164 Multistage dilution, cyclone separators
03/13/1979CA1050486A1 Method and apparatus for separating particulate materials of different specific gravities
03/06/1979US4142965 Sluice box
03/06/1979CA1049962A1 Ore tailings treatment
02/1979
02/20/1979US4140629 Conical screen separator
02/20/1979US4140628 Dense medium separation
02/13/1979US4139460 Reduction with metal sulfide
01/1979
01/25/1979WO1979000027A1 Apparatus and process for ordinary and submarine mineral beneficiation
01/23/1979US4136018 Vortex separator with coaxial inlet and lightweight reject pipelines
01/16/1979CA1046461A1 Automatic discharge valve in liquid suspension separator for coal
01/09/1979US4133748 Material separator
12/1978
12/12/1978CA1044183A1 Spiral classifier having primary and secondary coarse solids fraction discharge
12/05/1978US4128474 Process for cleaning and dewatering fine coal
12/05/1978CA1043742A1 Apparatus for washing and cleaning a sand or like particulate slurry
11/1978
11/28/1978US4127480 Upgrading
11/28/1978US4127478 Machine for salvaging waste concrete material
11/07/1978US4124497 Apparatus for separating mineral and the like from earth and the like
10/1978
10/31/1978CA1041459A1 Apparatus for washing impurities out of granular material
10/17/1978US4120786 Countercurrent flow, hydroclassification, monitoring ph
10/17/1978US4120783 Slurrying, centrifuging
10/17/1978CA1040589A2 Sink float apparatus for cleaning coal in which provision is made for preconditioning the coal with a surface active agent and a parting liquid
10/10/1978US4119533 Flotation
10/10/1978US4119532 Beneficiation method
10/10/1978CA1040140A1 Process and apparatus for cleaning very fine ore
09/1978
09/26/1978US4116824 Automated wet sieving apparatus
09/05/1978US4111799 Stock screen foil
09/05/1978US4111798 Separation of solids by varying the bulk density of a fluid separating medium
09/05/1978US4111797 Method and apparatus for separating particulate materials of different specific gravities
08/1978
08/29/1978US4110206 Metal separating process and apparatus
08/29/1978US4110195 Apparatus and process for extracting oil or bitumen from tar sands
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