| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
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| 07/31/2002 | EP0985003B1 Agents for unsticking paint, and sedimentation agents |
| 07/31/2002 | CN2502770Y Device on drain-pipe for avoiding stip-up precipitate |
| 07/31/2002 | CN2502769Y Hydraulic automatic stirring coagulating reactor |
| 07/31/2002 | CN1361752A Process for flocculating suspensions |
| 07/31/2002 | CN1361738A Loading and unloading of solid substance having high degree of water content |
| 07/31/2002 | CN1360978A Renewable resources treatment apparatus for waste electric appliances |
| 07/25/2002 | WO2001003798A9 Automated blood component separation system |
| 07/25/2002 | US20020098090 Pump system with vacuum source |
| 07/25/2002 | US20020096476 Separation method of goethite-containing red mud |
| 07/25/2002 | US20020096437 Electrolyzed the water by a direct voltage applied between anode and cathode plates to form hydrogen bubbles which adhere to the metal hydroxide and float or settle; oil in water emulsions as cutting oils; cleaning; decontamination; reuse |
| 07/25/2002 | DE10201916A1 Apparatus for separating floating material and sediment from effluent comprises tank with inlet and outlet pipe which feed tangentially into tank, concentric tube being fitted in tank whose top is above lower edge of inlet pipe |
| 07/24/2002 | EP1225155A1 Water purifying cartridge for empty pet bottle |
| 07/24/2002 | EP1224011A1 Manner of attaching component elements to filtration material such as may be utilized in respiratory masks |
| 07/24/2002 | CN1359858A Process for purifying floated algin and waste Ca solution in algin factory |
| 07/24/2002 | CN1088193C Method and apparatus for controlling feed of water treatment chemical using voltammetric sensor |
| 07/24/2002 | CN1088043C Demulsification type organic flocculant and preparation process thereof |
| 07/23/2002 | US6423214 Device for decanting supernatant |
| 07/18/2002 | WO2002055177A1 Tank for draining a granular material/liquid mixture |
| 07/18/2002 | US20020094927 Blood separation systems and methods with umbilicus-driven blood separation chambers |
| 07/18/2002 | US20020092798 Method and apparatus for reclaiming concrete |
| 07/17/2002 | CN2500367Y Medicinal liquid sedimentator |
| 07/17/2002 | CN1359408A High molecular weight zwitterionic polymers |
| 07/17/2002 | CN1358679A Water cleaning filling device for cleaning empty polyester bottle |
| 07/16/2002 | US6419822 Systems and methods for sensing red blood cell hematocrit |
| 07/16/2002 | US6419807 Sensor array for detecting electrical characteristics of fluids |
| 07/16/2002 | US6419619 Continuous substance-separating procedure in three phases: liquid/liquid/nonsoluble solids |
| 07/16/2002 | CA2078404C Self-diluting feedwell for thickener dilution |
| 07/11/2002 | WO2002053256A1 Devices and methods for purification |
| 07/11/2002 | US20020091057 Blood separation chamber with preformed blood flow passages and centralized connection to external tubing |
| 07/11/2002 | US20020088758 Method and apparatus for treatment of water and wastewater |
| 07/10/2002 | CN1358107A Improved injection of solids-laden water stream into centrifugal separator |
| 07/10/2002 | CN1357432A Cooling liquid supplying method and device for cutting machine tool and grinder |
| 07/09/2002 | US6417268 Method for making hydrophobically associative polymers, methods of use and compositions |
| 07/09/2002 | US6416993 Method for treating a waste stream using photosynthetic microorganisms |
| 07/09/2002 | US6416667 To enhance the operation of new or existing septic tanks or aerobic treatment units to prohibit discharge of partially treated waste or other organic solids; connecting settling basin, filtration and flow equalization unit in pipe section |
| 07/09/2002 | US6416213 Device and method with spiral mixing pipe for coagulating/condensing waste water |
| 07/09/2002 | CA2182367C Density gradient medium for separating cells |
| 07/09/2002 | CA2082391C Modular clarifier with integral flocculator |
| 07/04/2002 | US20020085972 Method to prepare an aluminosilicate polymer |
| 07/04/2002 | US20020084227 Separation of purified water and nutrients from agricultural and farm wastes |
| 07/04/2002 | US20020084216 Centrifuge screen |
| 07/04/2002 | US20020083677 Bracket for use in securing collector flight support tracks in a wastewater treatment tank |
| 07/03/2002 | EP1218415A1 Water soluble anionic or nonionic dispersion polymer |
| 07/03/2002 | EP1218299A1 Anionic and nonionic dispersion polymers for clarification and dewatering |
| 07/03/2002 | CN2498146Y Sewage recovering and treating apparatus |
| 07/03/2002 | CN1356964A Biological treating appts. for tannery waste water and for reduction of its sludge |
| 07/03/2002 | CN1087005C Bio-floculation waste water treatment utilizing synthesized micro-organism/polyester |
| 07/02/2002 | US6413435 Separator unit capable of less-dense solids and/or buoyant solids removal |
| 06/27/2002 | WO2002049768A1 Flotation machine |
| 06/27/2002 | WO2002000557A3 Water treatment compositions |
| 06/27/2002 | US20020082153 Blood component preparation (BCP) device and method of use thereof |
| 06/27/2002 | US20020079270 Microalgae separator apparatus and method |
| 06/27/2002 | US20020079264 Filtering device |
| 06/27/2002 | US20020079213 Device for the purification of machining liquids for electroerosion machines |
| 06/27/2002 | DE10063797A1 Vorrichtung zur Rückförderung von flüssigen Medien Apparatus for recirculating liquid media |
| 06/26/2002 | EP1216778A1 Device for purifying the processing liquids in an electroerosion machine |
| 06/26/2002 | EP1216764A1 Sewage treatment apparatus |
| 06/26/2002 | EP1216736A1 Apparatus and process for recirculating liquids using pumps mounted in parallel |
| 06/26/2002 | EP1216207A1 Composition useful for conditioning sludge derived from the treatment of an aqueous medium and uses thereof |
| 06/26/2002 | EP1216085A1 Phase separator having multiple separation units, upflow reactor apparatus, and methods for phase separation |
| 06/26/2002 | EP1021249B1 Three-phase rotary separator |
| 06/26/2002 | CN2496532Y Diverging nozzle mud-discharging apparatus |
| 06/26/2002 | CN2496531Y Oil and slag scraping machine |
| 06/26/2002 | CN1355142A Process for reclaiming waste generated by grinding bearings |
| 06/22/2002 | CA2365652A1 Filtering device |
| 06/20/2002 | WO2002048063A2 Process for the separation of hollow glass microspheres from muds containing them |
| 06/20/2002 | WO2002047795A2 Device and method for separating substances |
| 06/20/2002 | US20020077582 Blood processing systems and methods that assess and respond to real or potential vein occlusion conditions |
| 06/20/2002 | US20020077241 Blood processing systems and methods with quick attachment of a blood separation chamber to a centrifuge rotor |
| 06/20/2002 | US20020074265 Method and equipment for separating gold particles |
| 06/20/2002 | DE10061887A1 Vorrichtung und Verfahren zur Stofftrennung Apparatus and method for separating substances |
| 06/19/2002 | EP1215683A2 Segmented link robot for waste removal |
| 06/19/2002 | CN1354142A Crosslinked cationic polyacrylamide microgranule flocculant containing polyoxyethylene branched chain |
| 06/18/2002 | US6406624 Flocculation apparatus and apparatus for floating upwardly in a liquid and for moving downwardly in the liquid under the influence of gravity |
| 06/18/2002 | US6406617 Scum extraction |
| 06/18/2002 | US6406255 Apparatus and method for handling waste C-I-P II |
| 06/18/2002 | CA2180095C Drilling fluid reconditioning system |
| 06/13/2002 | WO2002026617A3 Process for extracting and purifying naturally occurring zeolite |
| 06/13/2002 | US20020072558 Rubber derivatives and method for their preparation |
| 06/13/2002 | US20020070154 Water purifying cartridge for empty pet bottle |
| 06/13/2002 | DE10111370C1 Guiding tube used for a lance extending into a pressure vessel of a nuclear power station has an upper tube part containing a separator |
| 06/12/2002 | EP1213303A2 Rubber derivatives and method for their preparation |
| 06/12/2002 | EP1212262A1 System and method for treating sludge in a wastewater facility |
| 06/12/2002 | EP1029031B1 Regeneration of acid reaction lubricant residues |
| 06/12/2002 | CN1086181C Process for preparing cationic high-molecular flocculant |
| 06/11/2002 | USRE37733 Method for settling of suspensions with use of seepage force and vibrations |
| 06/11/2002 | CA2077652C Turbidity measurement |
| 06/06/2002 | WO2002044093A2 Flocculation of mineral suspensions |
| 06/06/2002 | WO2002018273A3 Method for removing contaminants in urea hydrolysis reactors |
| 06/06/2002 | DE10060280A1 Method for elimination of nitrogen in clarification basins using plants or other soil filters comprises mechanical pre-clarification, denitrification, clarification using plants and recirculation |
| 06/06/2002 | DE10059076A1 Process for dewatering slurries, preferably from flotation units in coal mines, comprises using at least two sedimentation tanks having the same volume |
| 06/06/2002 | DE10054222C1 Method for washing screenings from waste water treatment comprises placing in washer of pure water, coarse filtration, recycling filtered mixture, feeding product to press, removing pressed screenings; and recycling water |
| 06/06/2002 | CA2429476A1 Flocculation of mineral suspensions |
| 06/05/2002 | EP1210406A2 Flocculation of cell material |
| 06/05/2002 | EP1210163A2 Method and apparatus for introducing a moving liquid into a larger mass of moving liquid |
| 06/05/2002 | EP0742735B1 Centrifuge tube and adaptor |
| 06/05/2002 | CN2494353Y Sewage purifying device |
| 06/04/2002 | US6398972 Placing blood in a rigid sterilization container and centrifuging to separate erythrocytes and the resulting blood supernatant, then decanting |
| 05/30/2002 | WO2002042223A1 Ballasted floc water treatment installation |
| 05/30/2002 | WO2002041966A1 Slurry weir system |