Patents for B03C 7 - Separating solids from solids by electrostatic effect (998)
04/1988
04/19/1988US4738772 Process for separating fiber from dry-milled corn
03/1988
03/16/1988CN87210303U Sucker for the trace of powder dust
02/1988
02/24/1988CN87105473A Method and equipment for separating lightweight dielectric according to transmissivity
02/24/1988CN86209008U Compound high-voltage electronic-selecting-machine
01/1988
01/20/1988CN87105056A Method to separate of pine nut kernel from shell and its equipment
12/1987
12/17/1987WO1987007532A1 Separating constituents of a mixture of particles
12/15/1987CA1230320A1 Recovery of aleurone cells from wheat bran
10/1987
10/20/1987CA1228340A1 Process for removal of troublesome mineral matter from pulverized coal
08/1987
08/12/1987EP0231441A2 Process and apparatus for the electrostatic separation of salt mixtures
07/1987
07/14/1987US4680106 Electrodynamic method for separating components of a mixture
05/1987
05/06/1987CN86103767A Scheelite medicament treating electric selection tin-eliminating method
03/1987
03/26/1987DE3603167C1 Apparatus for conditioning and triboelectric charging of finely divided salt mixtures
03/26/1987DE3603166C1 Process for the electrostatic separation of salt mixtures
03/26/1987DE3603165C1 Process for the electrostatic separation of salt mixtures
03/24/1987US4652318 Method of making an electric field device
01/1987
01/15/1987WO1987000073A1 A device for the separation of solid substances from waste water
12/1986
12/09/1986US4627579 Particle charging and collecting system
10/1986
10/07/1986US4615797 Electrostatic recovery of values, such as gold, from ore
09/1986
09/02/1986CA1210736A1 Device for feeding finely particulate matter into electrostatic free-fall separators
08/1986
08/12/1986CA1209534A1 Free-fall roller-separator with minor spray-effect
07/1986
07/09/1986CN85100206A Method for electrostatic size-classification of the fluidizating talcum powder
07/02/1986CA1206922A Apparatus for dry placer mining and method of operating same
04/1986
04/09/1986EP0176572A1 Recovery of aleurone cells from wheat bran.
02/1986
02/18/1986US4570861 Method of and arrangement for electrostatic separation of paper- and synthetic plastic material-containing mixtures
02/11/1986US4569432 Arrangement for feeding of a fine-particle material to electrostatic free-fall cutter
01/1986
01/07/1986CA1199007A1 Device made of electrically insulating material for feeding finely particulate matter into electrostatic free-fall separators
12/1985
12/10/1985US4557827 Electrostatic free-fall separator with feeding arrangement
12/04/1985EP0162906A1 Process and plant for sorting components from agglomerates formed of components of various substance qualities
12/03/1985US4556481 Using an alternating electric field
10/1985
10/10/1985WO1985004349A1 Recovery of aleurone cells from wheat bran
08/1985
08/13/1985US4534856 Electrodynamic method for separating components
07/1985
07/23/1985US4530291 Separating spent and unreacted particles of calcium-based sulfur sorbent
06/1985
06/19/1985EP0144535A2 Method for the thermal treatment of wastes comprising further processing of the obtained residue
06/06/1985WO1985002355A1 Process and plant for sorting components from agglomerates formed of components of various substance qualities
05/1985
05/14/1985US4517078 Method and apparatus for separating particulate materials
05/14/1985CA1187047A1 Process for removing inorganic impurities from coal
04/1985
04/30/1985US4514289 Method and apparatus for separating particulate materials
04/16/1985CA1185566A1 Separation of particulate materials using an alternating potential electrostatic field
04/16/1985CA1185565A1 Separation of particulate materials using an alternating potential electrostatic field
04/16/1985CA1185564A1 Separation of particulate materials using an alternating variable potential electrostatic field
04/09/1985CA1185209A1 Alternating potential electrostatic separator of particles with different physical properties
03/1985
03/19/1985US4505435 Apparatus for removal of troublesome mineral matter from pulverized coal
03/19/1985CA1184046A1 Method for the preparation of potassium fertilizer salts by electrostatic separation
03/06/1985EP0133654A1 Particle charging and collection system
11/1984
11/21/1984EP0033342B1 Process for reducing the sulfur content of coal
11/13/1984US4482351 Process for removing ash from coal
06/1984
06/13/1984EP0110623A1 Apparatus for separating particulate materials
05/1984
05/30/1984EP0109828A1 Method and apparatus for separating particulate materials
05/30/1984EP0109827A1 Method and apparatus for separating particulate materials
05/29/1984US4451357 Concentrate gold or silver from gravel mix
03/1984
03/20/1984CA1163960A1 Method and apparatus for classifying particles of powder metal
03/14/1984EP0102569A2 Electric corona discharge device, method for making said device and electrostatic treatment apparatus comprising said device
01/1984
01/24/1984CA1160992A1 High tension electrostatic separators
04/1983
04/05/1983CA1144105A1 Process for reducing the sulphur content of coal
03/1983
03/01/1983US4375454 Electrostatic enrichment of trona and nahcolite ores
02/1983
02/22/1983US4374727 Electrostatic sorting apparatus
12/1982
12/14/1982US4363723 Multifield electrostatic separator
11/1982
11/24/1982EP0065420A1 Alternating potential electrostatic separator of particles with different physical properties
11/02/1982US4357234 Alternating potential electrostatic separator of particles with different physical properties
08/1982
08/24/1982CA1130258A1 Method and a device for activating comminution of minerals that can be subjected to flotation and flotation concentrates
07/1982
07/27/1982US4341744 Charging crushed trona ore to effect electrostatic separation of nonconducting impurities; roasting; beneficiation
07/20/1982US4340142 Tobacco recovery from stemmery discards
04/1982
04/27/1982US4326951 Electrostatic mineral concentrator
04/20/1982US4325820 High tension electrostatic separators
02/1982
02/16/1982CA1118213A1 Process to obtain anatase mechanical concentrates
01/1982
01/26/1982US4312748 Method and apparatus for classifying particles of powder metal
12/1981
12/15/1981US4305797 Material separation by dielectrophoresis
11/1981
11/25/1981EP0040483A2 Method and apparatus for classifying particles of powder material
10/1981
10/27/1981US4297207 Process and apparatus for the electrostatic dressing of carnallite-containing crude potassium salts
08/1981
08/20/1981WO1981002260A1 Improvements in high tension electrostatic separators
07/1981
07/21/1981US4279740 Light-material segregating method and apparatus
06/1981
06/30/1981US4276154 Process for the electrostatic separation of crude potash salts
06/23/1981US4274947 Electrostatic method and apparatus for sorting fluidized particulate material
04/1981
04/07/1981US4260394 Process for reducing the sulfur content of coal
03/1981
03/17/1981US4256266 Process to obtain anathase concentrates from an anathase ore
02/1981
02/19/1981WO1981000416A1 Process for reducing the sulfur content of coal
02/17/1981US4251353 Method of treating refuse to separate valuable constituents
01/1981
01/27/1981US4247390 Method of separating vermiculite from the associated gangue
10/1980
10/07/1980US4226703 Electro-static tobacco separator
07/1980
07/22/1980CA1082129A1 Electrodynamic degassing
07/01/1980US4210949 Device for electrically charging particles
04/1980
04/22/1980US4199109 Method for recovering different plastic materials from laminated articles
01/1980
01/09/1980EP0006826A1 Process and apparatus for the separation of electrically insulating material
01/01/1980CA1069083A Gaseous preconditioner for electrostatic separation of potassium salts
11/1979
11/13/1979CA1066230A1 Method and apparatus for electrostatic separation of crude potassium salts containing carnallite
10/1979
10/23/1979US4172028 Vertically spaced sieve electrodes
12/1978
12/26/1978US4131539 Titanium dioxide
10/1978
10/24/1978US4122002 Method and apparatus for electrostatically separating particles from a mixture of particles
09/1978
09/26/1978US4116822 Method of selectively separating glass from waste material
05/1978
05/30/1978US4092241 Electrostatic separation of plastic film from shredded waste
11/1977
11/01/1977US4056368 Method and apparatus for degassing gas contaminated particulate material
06/1977
06/14/1977US4029995 Apparatus for producing charged particles
12/1976
12/21/1976US3998727 Electrostatic separator
11/1976
11/16/1976US3992286 Mineral ore concentractor
07/1976
07/20/1976US3970546 Method and apparatus for separating non-ferrous metal from waste material
07/13/1976US3969225 Differential separation of particulates by combined electro-static and radio frequency means
03/1976
03/02/1976US3941685 Process for electrostatic separation of pyrite from crude coal
01/1976
01/06/1976US3930815 Electrostatic apparatus for removing entrained particulate material from a gas stream
1 2 3 4 5 6 7 8 9 10