| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
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| 05/16/2001 | EP1099713A2 Branched polyvinyl imidazoline acid salt, polymeric flocculant comprising same, and process for preparing same |
| 05/16/2001 | CN2430203Y Settling tank for waste water treatment |
| 05/15/2001 | CA2243328C Process for centrifugal separation of material |
| 05/10/2001 | WO2001032290A1 Physiological fluid separation vehicles having improved resistance to inward migration of therapeutic agents |
| 05/10/2001 | WO2001032289A1 Methods for preparing blood or plasma component solutions with improved concentrations |
| 05/10/2001 | DE19953961A1 Compact waste water treatment sand trap comprising a cylindrical curtain positioned above and separated by a gap from conical baffle plate |
| 05/10/2001 | CA2427191A1 Improvements in flotation/fractionation systems for treating liquids and in separation of liquids to be treated thereby |
| 05/10/2001 | CA2389746A1 Physiological fluid separation vehicles having improved resistance to inward migration of therapeutic agents |
| 05/10/2001 | CA2389283A1 Methods for preparing blood or plasma component solutions with improved concentrations |
| 05/09/2001 | EP1097906A1 Process for eliminating solid particles, especially silicon and /or aluminium particles, from aqueous effluents |
| 05/09/2001 | EP1097905A2 Membrane magnetic separating apparatus |
| 05/09/2001 | EP1096985A1 Concenration of particles in a fluid within an acoustic standing wave field |
| 05/09/2001 | EP0813630B1 Fractionator |
| 05/08/2001 | US6228964 Flocculant for dewatering municipal sewage sludge |
| 05/08/2001 | US6228017 Compact enhanced yield blood processing systems |
| 05/03/2001 | WO2001030473A1 Cyanide detoxification process |
| 05/03/2001 | WO2001030472A1 Methods and apparatus for removing grit and grease from water |
| 05/03/2001 | DE19928600C1 Abscheidevorrichtung und ihre Verwendung Separator and their use |
| 05/02/2001 | EP1095687A1 Sludge raker |
| 05/02/2001 | EP1094878A1 Sand resistant fluid swivel |
| 05/02/2001 | CN1293586A Device for recuperating floating materials in sedimentation tank |
| 05/02/2001 | CN1065215C Method for treating recirculating water using mineral flocculating afent |
| 05/01/2001 | US6225395 Storage stable and low viscosity; used as flocculants for processing industrial and urban waste water; thickener and treating agent for floors |
| 05/01/2001 | US6224772 Aeration in turbulent fluid flow; vacuum degassing; discharging in sedimentation tanks; waste water purification |
| 05/01/2001 | US6224740 Electrolysis process |
| 05/01/2001 | US6224028 Cantilever shaft assembly for rotating member |
| 04/26/2001 | WO2001028935A1 Method and device for biologically purifying waste water |
| 04/26/2001 | WO2001028652A1 Blood processing systems which monitor optical densities |
| 04/26/2001 | WO2001028634A1 Manner of attaching component elements to filtration material such as may be utilized in respiratory masks |
| 04/26/2001 | DE19949096A1 Waste water treatment basin has sediment depth sensor float connected to external indicator by telemetry |
| 04/26/2001 | CA2386482A1 Blood processing systems which monitor optical densities |
| 04/25/2001 | EP1093390A1 Method and apparatus for producing platelet rich plasma and/or platelet concentrate |
| 04/25/2001 | CN1292719A Clarifier feedwell |
| 04/25/2001 | CN1064934C Industrial sewage treating agent |
| 04/24/2001 | US6221258 Method and apparatus for acoustically driven media filtration |
| 04/24/2001 | US6221254 Pressurization a protein stream and solids suspension |
| 04/24/2001 | US6221253 Multistage sedimentation, magnetization, aeration, mixing and transferring |
| 04/24/2001 | US6220455 Scraper Bar Arrangement |
| 04/19/2001 | WO2001027042A1 Fluid treatment apparatus |
| 04/19/2001 | WO2001026771A1 Separation of silt and water |
| 04/19/2001 | WO2000033936A9 Method and apparatus for the separation of solids, liquids and gases and for by-product concentration and dehydration |
| 04/19/2001 | DE19949477A1 Waste water circular basin wall has U-shaped cap holding oil to maintain gantry motion in winter |
| 04/18/2001 | EP1091910A1 Hydrogen sulfide removal methods and apparatus |
| 04/18/2001 | CN1064648C Refined diatomite treating agent and method for treating sewage using same |
| 04/17/2001 | US6217778 Of industrial waste water, using a copolymer of (meth)acrylic acid and acrylamide, formed by free radical polymerization in the presence of a copolymer of an acrylic acid and 2-acrylamido-2-methyl-1-propanesulfonic acid |
| 04/17/2001 | US6217777 Using an assembly of spaced elements defining passages for the flow of water through said elements where water is imparted a downward flow though elements to be discharged at the bottom; water treatment |
| 04/17/2001 | US6216881 Hinged cover for use in a clarifier tank having an inboard launder channel configuration |
| 04/17/2001 | US6216538 Particle handling apparatus for handling particles in fluid by acoustic radiation pressure |
| 04/17/2001 | CA2101701C Apparatus and method for separating solid particles from liquids |
| 04/17/2001 | CA2035255C De-sludging systems |
| 04/12/2001 | CA2313058A1 Scum sweeper for surface floating matters in a clarifying tank |
| 04/11/2001 | EP1090681A1 Crystallisation reactor |
| 04/11/2001 | EP1090664A1 Discharge of floating sludge |
| 04/11/2001 | EP1089942A1 Method for treatment of aqueous streams comprising biosolids |
| 04/11/2001 | EP1089797A1 Dextran starch and flocculant combination for improving red mud clarification |
| 04/11/2001 | EP1064082A4 Contaminant dispersants useful in recycling of treated containers |
| 04/11/2001 | CN1291124A Chip conveyor and chip separating and collecting device |
| 04/11/2001 | CN1290658A Epoxy polyamine flocculant produced by using adipamine residue |
| 04/10/2001 | US6214237 Process for treating solid waste slurry |
| 04/10/2001 | US6214236 Process for breaking an emulsion |
| 04/10/2001 | US6214223 Toroidal plasma mass filter |
| 04/10/2001 | US6214220 Combined process vessel apparatus |
| 04/05/2001 | WO2001023062A1 Phase separator having multiple separation units, upflow reactor apparatus, and methods for phase separation |
| 04/05/2001 | DE19943263A1 Vorrichtung zum Aufkonzentrieren von Belebtschlamm Device for the concentration of activated sludge |
| 04/05/2001 | DE19939917C1 Multi-chamber cesspool for small sewage treatment plants comprises high stability dividing walls separating the main purification chamber from the final chamber with a passage flow link between them |
| 04/04/2001 | EP1088579A1 Liquid container, in particular clarification plant tank and process for keeping a wall crown of the same ice-free |
| 04/04/2001 | CN2425695Y Same directional flow precipitator |
| 04/04/2001 | CN1290189A Contaminant dispersants useful in recycling of treated containers |
| 04/03/2001 | US6210588 Subjecting effluent to coagulation for forming microflocs; adding polyelectrolyte to coagulated effluent to produce flocculation causing agglomeration of microflocs into flocs; settling; recycling sludge |
| 04/03/2001 | US6210587 Subjecting effluent to coagulation for forming microflocs; subjecting coagulated effluent to flocculation for agglomerating microflocs into flocs; settling for separating flocs and interstitial water; recycling sludge; adding ballast |
| 04/03/2001 | US6210574 System for separation of nucleated fetal erythrocytes from maternal blood samples |
| 03/29/2001 | WO2001021897A2 Fluid control systems |
| 03/29/2001 | WO2001021532A1 Composition useful for conditioning sludge derived from the treatment of an aqueous medium and uses thereof |
| 03/29/2001 | WO2001021273A1 Separator for liquid suspension |
| 03/29/2001 | CA2385382A1 Separator for liquid suspension |
| 03/28/2001 | CN1289264A Coagulating/condensing device and method |
| 03/27/2001 | US6207063 Blood processing systems and methods using apparent hematocrit as a process control parameter |
| 03/27/2001 | US6207059 Process for treating wastewater |
| 03/27/2001 | US6206203 Apparatus and process for separating components of a treatment mixture from waste water treatment system |
| 03/22/2001 | WO2001019489A1 Thickening of a suspension or slurry |
| 03/22/2001 | WO2001019488A1 Improved thickener feedwell |
| 03/22/2001 | WO2001019487A1 Sludge scraper |
| 03/20/2001 | US6203711 Contacting aqueous fluid having suspended particles with anionic silica-based colloid and polymer selected from cationic organic polymer, an amphoteric organic polymer, and mixtures to produce flocculated material including particles |
| 03/20/2001 | US6202855 Process for the selection of particles of a preselected size from a particulate pharmaceutical product |
| 03/15/2001 | WO2001018064A1 Water soluble anionic or nonionic dispersion polymer |
| 03/15/2001 | WO2001017914A1 Anionic and nonionic dispersion polymers for clarification and dewatering |
| 03/15/2001 | WO2001017652A1 Blood processing systems and methods with sensors to detect contamination |
| 03/15/2001 | WO2001017651A1 Blood separation chamber with preformed blood flow passages and centralized connection to external tubing |
| 03/15/2001 | WO2001017650A1 Systems for sensing red blood cell hematocrit |
| 03/15/2001 | CA2346906A1 Systems for sensing red blood cell hematocrit |
| 03/14/2001 | EP1082988A1 Device to concentrate activated sludge |
| 03/14/2001 | EP1082987A1 Floating decanting device for water treatment plants |
| 03/14/2001 | EP1024872A4 Systems and methods for collecting diluted mononuclear cells |
| 03/14/2001 | EP0808203B1 Centrifuge with annular filter |
| 03/14/2001 | CN1287585A Silica-acid colloid blend in a microparticle system used in papermaking |
| 03/14/2001 | CN1287539A Rapid coagulation-flocculation and sedimentation type waste water treatment method |
| 03/13/2001 | US6200470 Sub-soil domestic wastewater treatment apparatus having multiple aeration chambers |
| 03/13/2001 | US6199704 Sludge collecting apparatus |
| 03/08/2001 | WO2001016185A1 Polymerizate composition and a method for producing the same |
| 03/08/2001 | WO2001016037A1 System and method for treating sludge in a wastewater facility |