B03D 3 - Differential sedimentation

Patents for B03D 3 - Differential sedimentation (679)
06/1988
06/07/1988	US4749492 Dilution and settling slurry; flocculation
05/1988
05/18/1988	EP0267652A2 Process for beneficiating coal by means of selective agglomeration
05/10/1988	US4743379 Flotation device
04/1988
04/05/1988	CA1234792A1 Separation of minerals
02/1988
02/02/1988	CA1232142A1 Leaching and washing a flocculated slurry having a fiber content
01/1988
01/19/1988	CA1231617A1 Flocculation of acid leach slurries
11/1987
11/19/1987	EP0246105A2 Recovering coal fines
11/19/1987	EP0245744A2 Method and device for separating solid fine powders according to grain size
09/1987
09/22/1987	CA1227294A1 Process for separating mineral ultra-fine grain from washings obtained in coal processing or from coal slurries
09/01/1987	US4690752 Selective flocculation process for the recovery of phosphate
08/1987
08/05/1987	CN86100669A Synthetic organic polymers for the selective flocculating floatation of titanium and iron ores
07/1987
07/07/1987	US4678585 Flocculation of red muds
06/1987
06/30/1987	US4676913 Coal liquor clarification with water-soluble, high molecular weight polymers having low concentration of cationic moieties
06/16/1987	US4673133 Process for beneficiating oil shale using froth flotation and selective flocculation
05/1987
05/26/1987	US4667885 Process for grinding organic-containing minerals
05/05/1987	US4663058 Process for continuous separation of leukocyte/platelet-enriched fraction from whole blood
04/1987
04/22/1987	CN86104833A Prodn. method of high accumulative aluminium-ferric flocculant
04/14/1987	US4657561 Method of recovering fuel from coal ash
03/1987
03/10/1987	CA1218961A1 Mineral separation
10/1986
10/22/1986	EP0198462A2 Separation of materials from a liquid dispersion by sedimentation
10/21/1986	US4618414 Process for separating mineral ultra-fine grain from washings obtained in coal processing or from coal slurries
08/1986
08/12/1986	US4605558 Process for cell separation
08/05/1986	US4604369 Method of beneficiating kaolin clay utilizing ammonium salts
07/1986
07/24/1986	EP0122270A4 Separation of multi-phase systems.
05/1986
05/06/1986	US4587108 Flocculation of acid leach slurries
04/1986
04/29/1986	US4585548 Grinding mineral with lyophilic surface, slurrying with carbon source and hydrocarbon liquid and separation
01/1986
01/28/1986	CA1199890A1 Method for beneficiation of hydrophobic materials or hydrophilic materials
12/1985
12/10/1985	US4557905 Leaching and washing a flocculated slurry having a fiber content
12/03/1985	US4556174 Separation of solids from liquids
11/1985
11/26/1985	US4555329 Selective flocculation of coal
11/12/1985	US4552652 Method for removing inorganic sulfides from non-sulfide minerals
11/12/1985	CA1196593A1 Coal liquor clarification with water-soluble, high molecular weight polymers having low concentration of cationic moieties
10/1985
10/23/1985	EP0159044A2 Process for semen separation
10/17/1985	EP0066611A4 Selective rheological separation of clays.
08/1985
08/20/1985	US4536372 Graft polymerization of coal particle surfaces; deashing; storage stability; fuel oils
08/20/1985	CA1192322A1 Process for alumina recovery
07/1985
07/30/1985	CA1191131A1 Process and apparatus for treating dispersions and the like with non-sinusoidal vibration
07/04/1985	WO1985002791A1 Recovery of metal values from mineral ores as seeded hydrocarbon oil agglomerates
07/02/1985	CA1189808A1 Floculation process for particles suspended in a liquid
06/1985
06/19/1985	EP0144376A1 Beneficiation of carbonaceous fuels
05/1985
05/07/1985	US4515697 Method for flocculating microscopic particles in suspension in a liquid and application to the collection of phytoplankton microalgae and zooplankton and for the purification of used water
05/07/1985	CA1186586A1 Treatment of waters with broad spectrum contaminants
04/1985
04/30/1985	US4514288 Ore beneficiation process
02/1985
02/26/1985	US4501721 Removing metal from particlized metal ores
02/12/1985	CA1182415A1 Coal-deashing process
01/1985
01/08/1985	US4492628 Method of treating clay to improve its whiteness
01/02/1985	CA1180293A Process for removing ash from coal
01/02/1985	CA1180195A Method and apparatus for removing metals from metal- salt solutions
12/1984
12/06/1984	WO1984004701A1 Beneficiation of carbonaceous fuels
11/1984
11/27/1984	US4484928 Methods for processing coal
11/27/1984	CA1178568A1 Methods for processing coal
11/08/1984	WO1984004259A1 Recovery of metal values from mineral ores by incorporation in coal-oil agglomerates
10/1984
10/24/1984	EP0122270A1 Separation of multi-phase systems.
10/16/1984	US4477353 Method of reclaiming water and coal from coal treatment underflow by two-stage separation of solids
10/03/1984	EP0120039A1 Recovery of solids from dispersions
09/1984
09/26/1984	EP0051623B1 Coal preparation
09/11/1984	CA1174055A1 Cyanidation of gold ores
08/1984
08/28/1984	US4468317 Selective rheological separation of clays
07/1984
07/24/1984	CA1171562A1 Apparatus and method for clarification of water using combined flotation and filtration processes
06/1984
06/26/1984	US4456528 Process for removing ash from coal
06/19/1984	US4455245 Orange peel, corn husk extracts
04/1984
04/26/1984	WO1984001527A1 Separation of multi-phase systems
04/12/1984	WO1984001313A1 Recovery of solids from dispersions
03/1984
03/28/1984	EP0104100A2 Method of treating clay in order to remove mineral titanium-based impurities
03/20/1984	US4437998 Method for treating oil sands extraction plant tailings
03/20/1984	US4437861 Coal-deashing process
03/13/1984	US4436634 Method and apparatus for separating cells by sedimentation velocity
03/13/1984	US4436624 CRT Method of converting and separating substances contained, dissolved or dissolvable in a carrier liquid
02/1984
02/07/1984	CA1161630A1 Polyalkylene oxide with hydrotropic agent and amphipathic agent for breaking petroleum emulsion
01/1984
01/10/1984	US4425227 Milling, heating
12/1983
12/13/1983	CA1158439A1 Separation of hydrocarbon from coal by steam
12/08/1983	WO1983004189A1 Methods for processing coal
11/1983
11/29/1983	US4417985 Surfactant stabilized gas bubbling, direct nucleation
11/15/1983	US4415458 Flocculating reagents
11/08/1983	US4414117 Decarbonation of tailings sludge to improve settling
11/08/1983	US4414091 Apparatus for electrochemical purification of contaminated liquids
11/01/1983	US4412843 Beneficiated coal, coal mixtures and processes for the production thereof
10/1983
10/04/1983	CA1154702A1 Method for treating oil sands extraction plant tailings
09/1983
09/27/1983	US4406664 Process for the enhanced separation of impurities from coal and coal products produced therefrom
09/06/1983	US4402920 Anionic hydrolyzed polyacrylamide flocculant
08/1983
08/30/1983	CA1152851A1 Micellar solutions of thin film spreading agents comprising a polyether polyol
08/16/1983	US4399039 Treatment of tailings pond sludge
08/16/1983	US4399038 Method for dewatering the sludge layer of an industrial process tailings pond
08/10/1983	EP0085629A1 Process for the flocculation of suspended particles in a liquid and application to the recovery of vegetable microalgae and zoological plankton, and to the purification of waste water
08/09/1983	CA1151573A1 Process for removing sulfur from coal
08/02/1983	CA1151078A1 Device for separating sand and/or gravel from water at the pipe outlet of dredging suction pumps, or for separating other granulated material from a fluid flow
07/1983
07/19/1983	CA1150159A1 Oil agglomeration process
06/1983
06/29/1983	EP0082809A1 Process and apparatus for the continuous separation of suspended matter from a polluted liquid
06/29/1983	EP0082571A1 A method for clarifying coal liquors with water-soluble, high molecular weight polymers having low concentration of cationic moieties
06/14/1983	US4388181 Method for the production of metallurgical grade coal and low ash coal
06/14/1983	US4388180 Method for beneficiation of phosphate rock
05/1983
05/24/1983	CA1146894A1 Process for removal of sulfur and ash from coal
05/24/1983	CA1146893A1 Process for removal of sulfur and ash from coal
05/17/1983	CA1146677A1 Iron ore beneficiation by selective flocculation
03/1983
03/23/1983	EP0074375A1 Lamellar construction for treating liquids
03/22/1983	US4377485 Apparatus and method for clarification of water using combined flotation and filtration processes
03/01/1983	CA1142134A1 Process for beneficiating coal
12/1982
12/28/1982	US4366050 Scheelite flotation
12/15/1982	EP0066611A1 Selective rheological separation of clays.
11/1982
11/10/1982	EP0064252A1 A process for the treatment of the effluent waters of mine extractive industries

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