B03D 3 - Differential sedimentation

Patents for B03D 3 - Differential sedimentation (679)
11/2003
11/04/2003	US6641724 Tangential separating device for solid matter
10/2003
10/14/2003	US6632327 Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product
09/2003
09/18/2003	WO2003076343A1 Method and device for clarification of liquids, particularly water, loaded with material in suspension
09/18/2003	CA2478282A1 Method and device for clarification of liquids, particularly water, loaded with material in suspension
09/09/2003	US6615987 Method of treating an aqueous suspension of kaolin
08/2003
08/28/2003	WO2003070645A1 Apparatus and method for the treatment of a contaminated fluid
08/21/2003	US20030155306 Mixing with flocculant polymer; aeration, rotaty skimming; gravity separation, flotation
07/2003
07/31/2003	US20030141224 Integrated process for simultaneous beneficiation, leaching, and dewatering of kaolin clay suspension
07/23/2003	EP1068162B1 Process for removing impurities from kaolin clays
07/16/2003	CN1114505C Method for separating mixture of finely divided minerals
07/03/2003	US20030121864 System and method for removing deep sub-micron particles from water
05/2003
05/13/2003	US6561359 Method and apparatus for removing lightweight particulates during processing of a primary material
05/13/2003	CA2110300C Batch process and apparatus
05/02/2003	EP0879088B1 Method for separating mixture of finely divided minerals
04/2003
04/17/2003	WO2003031040A1 Flocculation apparatus and method for treating colloidal suspensions
03/2003
03/27/2003	WO2003024888A1 Integrated process for simultaneous beneficiation, leaching and dewatering of a kaolin clay suspension
03/27/2003	CA2452477A1 Integrated process for simultaneous beneficiation, leaching and dewatering of a kaolin clay suspension
02/2003
02/12/2003	EP1148951B1 Tangential separating device for solid matter
01/2003
01/30/2003	WO2003008959A1 Method for the controlled flotation of particles dispersed in a fluid and device for carrying out said method
01/30/2003	US20030019814 Flotation method
01/23/2003	DE10134406C1 Process for monitoring the flotation of particles dispersed in a liquid in a flotation device comprises detecting the gas bubbles introduced into a flotation tank using ultrasound sensors, and producing starting signals from the sensors
11/2002
11/27/2002	EP1042229B1 Flotation reactor and method for flotation
11/05/2002	US6475384 Flotation reactor and method for flotation
09/2002
09/11/2002	EP1237691A1 Method for separating a machining suspension into fractions
09/05/2002	US20020121463 Method and apparatus for removing lightweight particulates during processing of a primary material
07/2002
07/30/2002	CA2074746C Separation method and apparatus
05/2002
05/21/2002	US6390301 Process for removing impurities from kaolin clays
05/07/2002	US6383282 Dispersion in water and water soluble polymer; separation of minerals
05/07/2002	US6382423 Selective reduction of naturally occurring radioactive material to be treated, and its treatment
10/2001
10/31/2001	EP1148951A1 Tangential separating device for solid matter
10/31/2001	EP1109874A4 Novel composition of ferric chloride and a dialkyl diallyl ammonium polymer and process of preparing the same
09/2001
09/27/2001	WO2001070409A1 Pseudophasic extraction method for the separation of ultra-fine minerals
09/20/2001	US20010022282 Process for removing impurities from kaolin clays
08/2001
08/28/2001	US6280622 System for using ligands in particle separation
08/22/2001	CN1308990A Composite flocculant and its application
07/2001
07/05/2001	DE19960380A1 Verfahren zum Fraktionieren einer Zerspanungssuspension Method for fractionating a machining suspension
07/04/2001	EP0907418B1 Flotation plant
07/04/2001	CN1302320A Novel composition of ferric chloride and dialkyl diallyl ammonium polymer and process of preparing the same
06/2001
06/28/2001	WO2001045850A1 Particle classifier
06/27/2001	EP1109874A1 Novel composition of ferric chloride and a dialkyl diallyl ammonium polymer and process of preparing the same
06/21/2001	WO2001043933A1 Method for separating a machining suspension into fractions
06/21/2001	CA2392399A1 Method for separating a machining suspension into fractions
06/12/2001	US6245207 Cell separation device using ultrasound and electrophoresis
05/2001
05/22/2001	US6235107 Method for separating mixture of finely divided minerals and product thereof
03/2001
03/20/2001	US6202855 Process for the selection of particles of a preselected size from a particulate pharmaceutical product
02/2001
02/13/2001	US6186335 Process for beneficiating kaolin clays
01/2001
01/24/2001	EP0907419B1 Inductive radial-discharge funnel-shaped nozzle
01/23/2001	US6177396 Aqueous based surfactant compositions
01/18/2001	WO2001003843A1 Process for treating fine coal particles
01/17/2001	EP1068162A1 Process for removing impurities from kaolin clays
11/2000
11/28/2000	US6153113 Method for using ligands in particle separation
11/16/2000	WO2000068160A1 A method of treating an aqueous suspension of kaolin
11/14/2000	US6145759 Suction-effect radial-discharge funnel-shaped nozzle
10/2000
10/26/2000	WO2000063316A1 Novel composition of ferric chloride and a dialkyl diallyl ammonium polymer and process of preparing the same
10/26/2000	CA2335715A1 Novel composition of ferric chloride and a dialkyl diallyl ammonium polymer and process of preparing the same
10/11/2000	EP1042229A1 Flotation reactor and method for flotation
10/03/2000	US6126014 Continuous air agglomeration method for high carbon fly ash beneficiation
09/2000
09/27/2000	CN1268199A Process for treating spent,waste, alkaline digestion liquid from paper pulping operations and product
08/2000
08/10/2000	DE19902148A1 Tangentiale Feststoffabtrenn-Vorrichtung Tangential Feststoffabtrenn device
07/2000
07/27/2000	WO2000043127A1 Tangential separating device for solid matter
07/18/2000	US6090293 Flocculating process; organic flocculent based on a copolymer derived from slightly anionic acrylic acid
07/04/2000	US6083389 Flotation plant
06/2000
06/14/2000	EP0991809A4 Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product
05/2000
05/30/2000	US6068693 Method for separating mixture of finely divided minerals and product thereof
04/2000
04/18/2000	US6051143 Solid-liquid separation using phase transitional N-substituted pyrrolidones
04/12/2000	EP0991809A1 Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product
03/2000
03/28/2000	US6041939 The increased selectivity of hydroxamates for certain mineral phases within kaolin clays and other mixtures of mineral particles improves the process over other activators
03/21/2000	US6039189 Mineral solids separation processes
02/2000
02/22/2000	US6026965 Process for recovering mineral particles, metal particles or small precious stones from an aqueous slim associated with an ore body or mineral deposit or processing thereof
01/2000
01/25/2000	US6016660 Cryo-sedimentation process
11/1999
11/18/1999	WO1999058249A1 Cryo-sedimentation process
11/03/1999	EP0796150B1 Method for separating mixture of finely divided minerals
10/1999
10/07/1999	WO1999050202A1 Process for removing impurities from kaolin clays
10/06/1999	CN1230906A Chemical fractionation of mineral particles based on particle size
09/1999
09/23/1999	WO1999047266A1 Beneficiation with selective flocculation using hydroxamates
08/1999
08/17/1999	US5938833 Chemical process for fractionating mineral particles based on particle size
07/1999
07/07/1999	EP0927078A1 Chemical fractionation of mineral particles based on particle size
07/01/1999	WO1999032407A1 Flotation reactor and method for flotation
07/01/1999	DE19756962A1 Flotationsreaktor sowie Verfahren zur Flotation Flotation reactor and process for the flotation
06/1999
06/01/1999	US5908040 Method of cleaning boats that have been contaminated with oil and gas well drilling fluids and hazardous waste
04/1999
04/27/1999	US5897810 A coagulant comprises a flocculation forming coagulation cores of gypsum having flocculation site for capturing grains of waste water, a porous calcium carbonate carriers captured in first flocculation sites, having second flocculation sites
04/14/1999	EP0907419A1 Inductive radial-discharge funnel-shaped nozzle
04/14/1999	EP0907418A1 Flotation plant
04/13/1999	US5893463 Recovering precious metals and small precious stones from clay suspensions
03/1999
03/31/1999	EP0905265A1 Method of reducing water quantity in slurries of oxidic nickel ores by injection of acrylic flocculant
03/10/1999	CN1210477A Method for separating mixture of finely divided minerals
01/1999
01/28/1999	WO1999003558A1 Process for the selection of particles of a preselected size from a particulate pharmaceutical product
01/12/1999	US5858214 Adding polymer, collector; flotation
12/1998
12/23/1998	WO1998057888A1 Method for separating mixture of finely divided minerals and product thereof
12/03/1998	WO1998054400A1 Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product
11/1998
11/25/1998	EP0879088A1 Method for separating mixture of finely divided minerals
11/04/1998	EP0874991A1 Method of selecting a population or subpopulation of a sample utilizing particle and gravity sedimentation
03/1998
03/26/1998	WO1998011993A1 Chemical fractionation of mineral particles based on particle size
11/1997
11/18/1997	US5688404 Phosphate recovery processes
11/13/1997	WO1997041962A1 Inductive radial-discharge funnel-shaped nozzle
11/13/1997	WO1997041961A1 Flotation plant
11/11/1997	US5685900 Method for beneficiating discolored kaolin to produce high brightness coating clay
10/1997
10/29/1997	CN1036243C Coagulating sedimentation processing apparatus
09/1997
09/25/1997	WO1997034677A1 Counter-flow liquid clarifier
09/24/1997	EP0796150A1 Method for separating mixture of finely divided minerals

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