Patents for B03D 3 - Differential sedimentation (679)
08/2008
08/14/2008WO2008067246A3 Water treatment using de-supersaturation
08/14/2008US20080190857 System and Methods of Producing Membranes
07/2008
07/30/2008CN100406128C Floatation-gravitational separation-floatation combined process of recovering wulfenite
06/2008
06/11/2008CN100393422C Using method of selective flocculator for reverse-floatation of bauxite
06/11/2008CN100393421C Method for reverse-floatation mud-removing for bauxite
05/2008
05/21/2008CN101181701A Deposition dehydrating method for processing concentrate or tailing by bauxite
05/01/2008US20080102519 Apparatus and method for preparative scale purification of nucleic acids
04/2008
04/15/2008CA2370506C A method of treating an aqueous suspension of kaolin
04/09/2008EP1483210B1 Method and device for clarification of liquids, particularly water, loaded with material in suspension
03/2008
03/06/2008US20080052987 Hydroponic Growing Enclosure and Method for Growing, Harvesting, Processing and Distributing Algae, Related Microrganisms and their By Products
02/2008
02/21/2008WO2008022312A2 Hydroponic growing enclosure and method for growing, harvesting, processing and distributing algae, related microorganisms and their by products
02/21/2008CA2666162A1 Hydroponic growing enclosure and method for growing, harvesting, processing and distributing algae, related microorganisms and their by products
01/2008
01/24/2008US20080017553 Method and device for classifying fine particles
01/24/2008US20080017552 Modified amine-aldehyde resins and uses thereof in separation processes
01/23/2008CN100363079C Flocculant for sewage treatment
01/01/2008US7314746 Apparatus and method for preparative scale purification of nucleic acids
12/2007
12/26/2007CN101091936A Method for improving effect of settling ore pulp by using flocculant in non-ion type
12/06/2007US20070278158 Wastewater treatment system and method
11/2007
11/14/2007CN100348332C Bauxite positive flotation headings three-phase foam removing method
11/08/2007WO2007125812A1 Inorganic nanoparticle, process for producing the same, and biosubstance labeling agent having inorganic nanoparticle linked thereto
10/2007
10/18/2007WO2007115531A1 Flocculation device
10/18/2007US20070241058 allows fouling status of a filtration process to be characterized, and allows the amount of fouling to be derivedl; involves feeding a non-contaminated fluid through the filter cake and filter at varying flux or at varying driving force, and a series of measurements; e.g. water filtration optimization
07/2007
07/19/2007WO2005044416A3 Sorting, separating and sizing very small particles
07/17/2007US7244361 Metals/minerals recovery and waste treatment process
05/2007
05/30/2007CN1318312C Method and device for clarification of liquids, particularly water, loaded with material in suspension
04/2007
04/25/2007CN1951574A Method for preparing fine powder of silicon carbide
04/24/2007US7207445 Device and method for non-dispersive contacting of liquid—liquid reactive system
04/18/2007CN1947851A Selective flocculator used for reverse-floatation of bauxite and its application method
04/18/2007CN1947850A Method for reverse-floatation mud-removing for bauxite
04/18/2007CN1947849A Method for dressing zinc oxide ore utilizing chemical raw materials
04/12/2007WO2005034366A3 Ultra-wideband receiver
04/11/2007CN1943871A Super fine lean lead-antimony-zinc flacculation carrier flotation new technology
04/03/2007US7198722 Adding to sea water a compound to form precipitate of a calcium compound, separating precipitate from water; desalinating water to a first stream that has lower concentration of dissolved solids and an second stream that has a higher concentration of dissolved solids
03/2007
03/27/2007CA2243608C Procedure for reducing the water content of ore pulp containing oxidic nickel
03/21/2007CN1931436A Floatation-gravitational separation-floatation combined process of recovering wulfenite
02/2007
02/13/2007US7175768 Method and device for clarification of liquids, particularly water, loaded with material in suspension
12/2006
12/27/2006EP1735066A2 Devices, materials and methods for sorting, separating and sizing very small particles
12/20/2006CN1882393A Metals/minerals recovery and waste treatment process
12/14/2006US20060278582 Process for reducing contaminants in condensate resulting from the conversion of bauxite to alumina
12/13/2006CN1876241A Highly effective concentration technology for milltailings
11/2006
11/22/2006CN1864860A An ore dressing method for vanadium-containing stone coal
11/15/2006CN1284629C Slurry liquid solid separating method for alumyte concentrate
11/14/2006US7135112 Flocculation apparatus for treating colloidal suspensions
10/2006
10/17/2006US7122080 Integrated process for simultaneous beneficiation, leaching, and dewatering of kaolin clay suspension
09/2006
09/21/2006US20060207946 Treatment of aqueous suspensions
09/13/2006CN1830574A Separation method of bauxite aluminium-silicon miterals
08/2006
08/16/2006EP1689530A1 Metals/minerals recovery and waste treatment process
08/09/2006CN1814826A Non-ferrous metal tailings re-selecting and utilizing method
08/02/2006CN1267198C Process for extracting iron concentrate by sulfuric slag flotation
07/2006
07/27/2006US20060166331 Pharmaceutical grade manufacture of quality plasmid DNA from cell lysates using flotation to separate and eliminate undesired insoluble cellular debris including chromosomal DNA from the lysates
06/2006
06/15/2006US20060124510 Devices, materials and methods for sorting, separating and sizing very small particles
06/13/2006CA2291722C Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product
06/07/2006EP1575747A4 Plastic material having enhanced magnetic susceptibility, method of making and method of separating
05/2006
05/24/2006CN1775372A Bauxite positive flotation headings three-phase foam removing method
05/23/2006CA2488180A1 Bromide reduction process in liquid solutions
05/03/2006CN1768009A Treatment of aqueous suspensions.
02/2006
02/01/2006EP1620365A1 Treatment of aqueous suspensions
01/2006
01/11/2006CN1718285A Full tail mortar quick concentrating technique in vertical sand cabin
01/05/2006US20060000752 Stack correction system and method
12/2005
12/28/2005CN1713961A Plastic material having enhanced magnetic susceptibility, method of making and method of separating
09/2005
09/21/2005EP1575747A2 Plastic material having enhanced magnetic susceptibility, method of making and method of separating
09/15/2005WO2004012920A3 Plastic material having enhanced magnetic susceptibility, method of making and method of separating
09/01/2005US20050189301 Adding acid to waste water to adjust pH to less than 7, adding calcium or magnesium salt, separating resulting solids from liquid and adjusting pH of solids and liquid to make them acceptable waste products having pH of 6-9; reduces COD level of liquid phase; food processing clean-up
08/2005
08/24/2005CN1657176A Ceramic product with flocking layer and its processing technology
07/2005
07/26/2005US6920982 Plastic material having enhanced magnetic susceptibility, method of making and method of separating
07/20/2005EP1554398A2 Apparatus and method for preparative scale purification of nucleic acids
07/20/2005CN1642862A Method and device for clarification of liquids, particularly water, loaded with material in suspension
07/14/2005US20050150840 Method and device for clarification of liquids, particularly water, loaded with material in suspension
07/13/2005EP1432502B1 Flocculation device and method for treating colloidal suspensions
07/05/2005CA2359941C Tangential separating device for solid matter
06/2005
06/23/2005DE202005006450U1 Swirl-inducing dynamic mixer dosing flocculation aid to sewage sludge, includes dosing nozzles inclined with respect to main longitudinal axis
06/23/2005DE202005006449U1 Swirl-inducing dynamic mixer dosing flocculation aid to sewage sludge includes channel connecting inputs of inoculation nozzles
06/16/2005WO2005053853A1 Metals/minerals recovery and waste treatment process
06/16/2005CA2546112A1 Metals/minerals recovery and waste treatment process
06/01/2005CN1621159A Flotation gangue subsidence method of alumyte
06/01/2005CN1621158A Slurry liquid solid separating method for alumyte concentrate
05/2005
05/26/2005US20050109702 Metal/mineral-bearing ore is slurried with water and separated into an enriched fraction and an aqueous metal/mineral waste fraction, and a waste sedimentation stage in which the aqueous metal/mineral waste fraction is sedimented in settling lagoons to provide a thickened sediment layer and supernatant
05/19/2005WO2005044416A2 Sorting, separating and sizing very small particles
03/2005
03/30/2005EP1237691B1 Method for separating a machining suspension into fractions
03/03/2005US20050045534 System and method for removing deep sub-micron particles from water
02/2005
02/09/2005EP0991809B1 Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product
12/2004
12/30/2004US20040262230 Flocculation apparatus and method for treating colloidal suspensions
12/15/2004CN1555347A Integrated process for simultaneous beneficiation, leaching, and dewatering of kaolin clay suspension
12/08/2004EP1483210A1 Method and device for clarification of liquids, particularly water, loaded with material in suspension
11/2004
11/23/2004US6821437 Forming reusable cutting fluid; complete removal of abrasive grains and attrition material
10/2004
10/27/2004EP0874991B1 Method of selecting a population or subpopulation of a sample utilizing particle and gravity sedimentation
09/2004
09/02/2004DE10297219T5 Integriertes Verfahren zum gleichzeitigen Veredeln, Bleichen und Entwässern einer Kaolinton-Suspension An integrated process for simultaneously refining, bleaching and dewatering of kaolin clay suspension
08/2004
08/05/2004WO2004024283A3 Apparatus and method for preparative scale purification of nucleic acids
07/2004
07/27/2004US6767465 Process for treating fine coal particles
07/22/2004WO2004060819A1 Treatment of aqueous suspensions
06/2004
06/30/2004EP1432502A1 Flocculation apparatus and method for treating colloidal suspensions
04/2004
04/28/2004CN1147366C Chemical fractionation of mineral particles based on particle size
04/13/2004US6719911 Apparatus and method for the treatment of a contaminated fluid
03/2004
03/25/2004WO2004024283A2 Apparatus and method for preparative scale purification of nucleic acids
03/25/2004CA2498518A1 Apparatus and method for preparative scale purification of nucleic acids
03/18/2004WO2004022492A1 An apparatus and method for delivery of a flocculant to a liquid stream
03/17/2004EP0927078B1 Chemical fractionation of mineral particles based on particle size
02/2004
02/26/2004US20040035756 Mixing in a small amount of magnetite into a plastics prior forming articles; waste recycling, removing the magnetic material by pulverization to form particles, using a magnetic field to separate, forming high-purity recycled plastics
02/12/2004WO2004012920A2 Plastic material having enhanced magnetic susceptibility, method of making and method of separating
11/2003
11/18/2003US6649067 Flotation method
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