| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
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| 02/25/2004 | CN1139545C Operation device of pulse purifying water |
| 02/25/2004 | CN1139544C Process for preparing compound aluminium-iron polychloro water purifying agent |
| 02/24/2004 | US6695146 Method for surface deposition of concentrated airborne particles |
| 02/24/2004 | CA2246841E Cycloseparator for removal of coarse solids from conditioned oil sand slurries |
| 02/19/2004 | US20040034156 Addition polymerization of water soluble allyl polymers, in the presence of free radical initiators, then crosslinking by heating and stirring; chain extension |
| 02/19/2004 | US20040031760 Controlling water level in a recovery system of paint spray, keeping water level constant even during downtime |
| 02/19/2004 | US20040031750 Settling device |
| 02/19/2004 | US20040031742 Methods and apparatus for oil demulsification and separation of oil and suspended solids from produced water |
| 02/19/2004 | DE4392789B4 Verfahren zur Gewinnung von Blutkomponenten aus Übergangszonenmaterial Process for the recovery of blood components from transition zone material |
| 02/19/2004 | DE20316252U1 Sludge treatment basin has height adjustable upright funnel drawing down floating sludge and surface bubbles to basin lower level |
| 02/19/2004 | DE10212242A1 Device for mechanically eliminating suspended materials and other impurities from water, e.g. for clarifying water, comprises rows of funnel-like rectangular hollow bodies, to form multiple stage basin |
| 02/18/2004 | CN1138706C Compound oil-bearing effluent flucculant |
| 02/18/2004 | CN1138705C Process for preparation of water purification solutions containing ferric iron and product obtained thereby |
| 02/17/2004 | US6692645 Water reservoir filtration system and method |
| 02/17/2004 | US6692638 Method and apparatus for removing particulate contaminants from commercial laundry wastewater |
| 02/17/2004 | US6692636 Apparatus removing metallic particles from effluent liquid waste |
| 02/17/2004 | US6692234 Pump system with vacuum source |
| 02/12/2004 | WO2003011422A3 The device for reducing the gas and water contamination of transformer oil filling |
| 02/12/2004 | US20040026333 Claricone sludge level control system |
| 02/12/2004 | US20040025961 Effluent purifying device |
| 02/12/2004 | US20040025946 Outlet apparatus for fluid handling systems |
| 02/12/2004 | DE20312227U1 Einrichtung zur Amalgamabscheidung Means for amalgam separation |
| 02/12/2004 | DE20312226U1 Apparat zur Amalgamabscheidung Apparatus for amalgam separation |
| 02/12/2004 | DE10235067A1 Device for separating fluid from mixture of fluid and solids has one emptying opening in bottom of rotatable separating container with fluid emptying in one speed range followed by emptying of solids |
| 02/12/2004 | DE10234407A1 Spülflüssigkeitsaufbereitungsgerät Rinsing fluid purification |
| 02/11/2004 | EP1388522A2 Colloidal borosilicates and their use in the production of paper |
| 02/11/2004 | EP1388359A1 Device for combined withdrawing or clarified water and floating sewage |
| 02/11/2004 | EP1212262B1 Method for treating sludge in a wastewater facility |
| 02/11/2004 | CN1474710A Combined degassing and flotation tank |
| 02/11/2004 | CN1137857C Oily sewage processing method |
| 02/11/2004 | CN1137856C Process for reclaiming waste water generated by grinding bearing |
| 02/11/2004 | CN1137855C Water purifying method by swirl oxidation and flocculation |
| 02/11/2004 | CN1137748C Filtration equipment |
| 02/11/2004 | CN1137747C Process for treatment of flue gas desulfurization waste water |
| 02/10/2004 | US6689277 Treatment of liquids with ballasted flocculation |
| 02/10/2004 | CA2124807C Enhanced yield blood processing systems and methods establishing vortex flow conditions |
| 02/10/2004 | CA2124806C Blood processing systems with improved data transfer between stationary and rotating elements |
| 02/05/2004 | US20040024156 High molecular weight polymers containing pendant salicylic acid groups for clarifying bayer process liquors |
| 02/05/2004 | US20040020860 Directing said multi-phase well fluids to a separator to separate at least a portion of any solids present; establishing an upper maximum and a lower minimum limit; generating a first signal with upper sensor and directing |
| 02/05/2004 | US20040020847 Enhancing flocculation; wastewater treatment |
| 02/04/2004 | EP1386706A1 Installation for cleaning rinsing liquids |
| 02/04/2004 | EP1385791A1 Quick inverting liquid flocculant |
| 02/04/2004 | CN1473135A Method and apparatus for treatment of water and wastewater |
| 02/04/2004 | CN1137058C Biological treating appts. for tannery waste and for reduction of its sludge |
| 02/03/2004 | US6686207 Manipulating micron scale items |
| 02/03/2004 | US6685842 Thermophoretic particle removing system |
| 02/03/2004 | US6685830 Process and device for separation of absorbent/floating material from product mixes by means of float/sink separation |
| 02/03/2004 | CA2433741C Desanding apparatus and system |
| 02/03/2004 | CA2124805C Compact enhanced yield blood processing systems |
| 01/29/2004 | WO2004009208A1 Coagulant and coagulation method |
| 01/29/2004 | US20040016696 Integrated scum baffle and launder cover for use in a clarifier tank |
| 01/29/2004 | US20040016695 Radial flow septic tank |
| 01/29/2004 | US20040016688 Energy-efficient duct, head cell with duct and methods |
| 01/29/2004 | DE19718499B4 Vorrichtung zur Feststoff- und Schlammräumung in Sedimentationsbecken Apparatus for solids and sludge removal in sedimentation |
| 01/29/2004 | DE10231241A1 Filterelement für mit Feststoffpartikeln und gelösten Schadstoffen belastetes Wasser und mit einem solchen Filterelement ausgerüstetes Reinigungssystem Filter element equipped with solid particles and dissolved pollutants polluted water and with such a filter element cleaning system |
| 01/28/2004 | EP1383712A2 Process for flocculating suspensions |
| 01/28/2004 | CN1136025C Coagulation precipitator |
| 01/28/2004 | CN1135928C Process and apparatus for separating out leftover of tomato sauce |
| 01/27/2004 | US6682654 Sludge recovery apparatus and method |
| 01/27/2004 | US6682287 Segmented link robot for waste removal |
| 01/27/2004 | CA2148039C Process and facility for treating a raw flow by simple decantation after fine sand ballasting |
| 01/22/2004 | WO2004007406A2 Method for reducing the maximum water concentration in a multi-phase column reactor |
| 01/22/2004 | US20040014989 Inorganic composition, process of preparation and method of use |
| 01/22/2004 | US20040011745 For separation of hydrocarbonaceous oil and gas from water |
| 01/22/2004 | US20040011738 Aerated grit chamber and method |
| 01/22/2004 | US20040011201 Static deaeration conditioner for processing of bitumen froth |
| 01/22/2004 | DE10225078B3 Verfahren und Vorrichtung zum Abtrennen von Feststoffen aus Flüssigkeiten Method and apparatus for separating solids from liquids |
| 01/22/2004 | CA2492117A1 Method for reducing the maximum water concentration in a multi-phase column reactor |
| 01/21/2004 | CN1469780A Process for extracting and purifying naturally occurring zeolite |
| 01/20/2004 | US6679273 Cold-reduced flat-rolled low carbon steel strip is surface cleansed of ferromagnetic contaminants |
| 01/15/2004 | WO2004005197A2 Effluent treatment combining solid/liquid separation and pulsed electric fields |
| 01/15/2004 | WO2004004863A1 Seperation of oil from sand |
| 01/15/2004 | US20040007137 Oil treatment system |
| 01/15/2004 | US20040006925 Clarifier cover |
| 01/14/2004 | CN2598613Y Lateral water outlet codirection flow inclined plate and its water collecting trough |
| 01/14/2004 | CN1134279C Article with low temperature cured and high activity oxide photocatalyst film |
| 01/13/2004 | US6676833 Apparatus for removing grit and grease from water |
| 01/13/2004 | US6676832 Surface water purifying catch basin |
| 01/08/2004 | WO2004003335A2 System and method to separate particles from water |
| 01/08/2004 | WO2004002600A2 Air filtration system |
| 01/08/2004 | CA2486250A1 Air filtration system |
| 01/07/2004 | EP1377821A2 Pneumatic valve interface for use in microfluidic structures |
| 01/07/2004 | EP1377811A2 Split focusing cytometer |
| 01/07/2004 | EP1377525A2 Treatment of suspensions with a flocculation system comprising a non-ionic polymer and a cationic polymeric flocculant |
| 01/07/2004 | EP1377353A1 Cell separation compositions and methods |
| 01/07/2004 | EP0775006B1 Blood processing system and method |
| 01/06/2004 | US6674525 Split focusing cytometer |
| 01/06/2004 | US6673240 Feed control system for liquid clarification tanks |
| 01/06/2004 | US6673208 Polysilicate microgels and silica-based materials |
| 01/06/2004 | CA2286667C Sediment and soil remediation by column flotation |
| 01/02/2004 | EP1375061A1 Device for removal of chips |
| 01/02/2004 | EP1375006A1 Apparatus and method for separation of fluid components |
| 01/02/2004 | EP0851783A4 Novel aromatic and aliphatic sulfonates and properties and applications thereof |
| 01/01/2004 | US20040000526 Fluidized solids removal with pulsation |
| 01/01/2004 | US20040000329 Compositions and methods for paint overspray removal processes |
| 12/31/2003 | WO2004000464A1 Pre-separation of feed material for hindered-bed separator |
| 12/31/2003 | CN1464887A Modified polyalkyleneimine and methods of using the same |
| 12/31/2003 | CN1464864A Coagulant and coagulating method |
| 12/31/2003 | CN1463933A Incorporated double settling zone tridimensional circulating oxidation ditch facility and method of operating thereof |
| 12/31/2003 | CN1132653C Inclined equidirectional-flow precipitator |