| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
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| 08/07/1984 | CA1172177A1 Solids removal in clarifiers |
| 07/31/1984 | US4462909 Surface skimmer means for settling tank |
| 07/31/1984 | US4462908 Rake lifting means for sedimentation apparatus |
| 07/31/1984 | US4462907 Centrifugal, magnetic and screening separator |
| 07/31/1984 | CA1171983A1 Method and apparatus for cleaning basins |
| 07/31/1984 | CA1171798A1 Liquid treatment apparatus |
| 07/25/1984 | EP0044301B1 Apparatus for gravitationally separating relatively heavy and/or light pollutants from a feed liquid |
| 07/24/1984 | US4461708 Fluidized bed of fine particles, and agglomerate fibers as fixing base for bacteria |
| 07/24/1984 | CA1171562A1 Apparatus and method for clarification of water using combined flotation and filtration processes |
| 07/11/1984 | EP0113021A2 Sand collector |
| 07/11/1984 | EP0112839A1 Method and means for separation of a particulate phase in analysis |
| 07/11/1984 | EP0038857B1 Pumpless flow system for a corrosive liquid |
| 07/10/1984 | CA1170621A1 Magnetic water conditioner apparatus |
| 07/03/1984 | US4457844 Head differential between levels in clarifier and in oxidation ditch |
| 07/03/1984 | US4457842 Method of and apparatus for separating solids from a flushing liquid |
| 07/03/1984 | US4457781 Mixing with hydratable calcium sulfate |
| 07/03/1984 | CA1170215A1 Concrete wash plant |
| 06/27/1984 | EP0112129A2 Separator apparatus and method |
| 06/26/1984 | US4456532 Biological flocculation of mineral slimes |
| 06/20/1984 | EP0111035A1 Clarifier for removing solids from waste water |
| 06/19/1984 | US4455239 Clarification of fluids |
| 06/12/1984 | CA1169024A1 Liquid treater having electrical charge injection means |
| 05/29/1984 | US4451380 Waste disposal |
| 05/29/1984 | US4451367 Sedimentation tank |
| 05/29/1984 | US4451366 Separator |
| 05/29/1984 | CA1168174A1 Process for particulate removal from coal liquids |
| 05/29/1984 | CA1168161A1 Liquid clarifier and method |
| 05/22/1984 | CA1167775A1 Corner sweep mechanism for square settling tank |
| 05/16/1984 | EP0108326A1 Apparatus for the purification of waste, industrial or potable water |
| 05/15/1984 | US4448689 Apparatus for final clearing of waste water |
| 05/15/1984 | CA1167391A1 Liquid treatment apparatus |
| 05/15/1984 | CA1167390A1 Scraper apparatus for settling basins and the like |
| 05/10/1984 | WO1984001724A1 Improved clarifier/thickener |
| 05/08/1984 | US4447220 Method and apparatus for separating blood components |
| 05/08/1984 | CA1167029A1 Rotating-arm depending articulated paddle agitators operating in a water treatment basin |
| 05/02/1984 | EP0107504A2 Sedimentation apparatus |
| 05/02/1984 | EP0107226A2 Water-in-oil emulsions of water-soluble cationic polymers and a process for preparing such emulsions |
| 05/02/1984 | EP0107114A2 Treatment device, especially for waste water, industrial water and drinking water |
| 05/01/1984 | US4446018 Waste treatment system having integral intrachannel clarifier |
| 05/01/1984 | CA1166583A1 Settling means for a fluid |
| 04/26/1984 | WO1984001527A1 Separation of multi-phase systems |
| 04/24/1984 | US4444229 Slurry concentration apparatus |
| 04/24/1984 | CA1166391A1 More stable mannich-based cationic polymer flocculant |
| 04/17/1984 | US4443320 Flocculation of impure particles |
| 04/17/1984 | CA1165699A1 Apparatus for scraping sludge from the surface of a body of liquid |
| 04/12/1984 | WO1984001313A1 Recovery of solids from dispersions |
| 04/11/1984 | EP0105225A2 Process for cleaning a filter for liquid materials and the separation device containing this filter |
| 04/10/1984 | US4442000 Easily transportable water purification device |
| 04/04/1984 | EP0104904A1 Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith |
| 04/03/1984 | US4440639 Universal magnetic angled strainer |
| 03/29/1984 | WO1984001145A1 Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith |
| 03/27/1984 | CA1164595A1 Ionen type polymers, their preparation and application |
| 03/27/1984 | CA1164594A1 Polycationic polymers and their preparation and use |
| 03/20/1984 | US4437998 Method for treating oil sands extraction plant tailings |
| 03/20/1984 | US4437991 For cutting and machining oil containing solids |
| 03/13/1984 | US4436655 Process for the continuous purification of contaminated fluids and for conditioning the resulting concentrates |
| 03/13/1984 | US4436634 Method and apparatus for separating cells by sedimentation velocity |
| 03/13/1984 | US4436632 Clarifier skimmer |
| 03/07/1984 | EP0102000A1 Dental aspiration equipment |
| 03/07/1984 | EP0030957B1 Centrifugal oil filter |
| 03/06/1984 | US4435308 Sulfate anions and an organic acid |
| 03/06/1984 | CA1163205A1 Conical tray for a separator |
| 02/28/1984 | CA1162705A1 Sludge removal machine |
| 02/21/1984 | CA1162491A1 Liquid treatment apparatus |
| 02/21/1984 | CA1162360A1 Eductor truck |
| 02/14/1984 | US4431536 Skimmer for floating roof storage tanks |
| 02/07/1984 | CA1161630A1 Polyalkylene oxide with hydrotropic agent and amphipathic agent for breaking petroleum emulsion |
| 02/01/1984 | EP0099694A1 High charge density, cationic methacrylamide based monomers and their polymers |
| 01/31/1984 | US4428841 Removal of particles, oil, and gas from produced water |
| 01/31/1984 | US4428200 Geothermal plant fluid reinjection system |
| 01/31/1984 | CA1161578A1 Apparatus for treating liquids |
| 01/31/1984 | CA1161384A1 Inclined helical flight conveyor |
| 01/31/1984 | CA1161370A1 Method and apparatus for supplying and distrubuting composite liquids to a laminar separation apparatus |
| 01/31/1984 | CA1161368A1 Controlled protein fractionation |
| 01/24/1984 | US4427551 Solids separation and liquid clarification system |
| 01/18/1984 | EP0098623A1 2-Hydroxypropane sulphonic acid derivatives; their preparation and curable compositions containing them |
| 01/17/1984 | US4426290 Apparatus for separating blood |
| 01/17/1984 | CA1160767A1 Waste treatment system having integral intrachannel clarifier |
| 01/11/1984 | EP0097696A1 Apparatus and method for renewing coolant fluid |
| 01/10/1984 | US4425254 Slag removal method |
| 01/03/1984 | US4424132 Apparatus and method for separating blood components |
| 01/03/1984 | US4424130 Rake drive and lifting device for sedimentation apparatus |
| 12/28/1983 | EP0096754A1 Method and apparatus for the continuous preparation and analysis of effluent water for monitoring water conditioning plants |
| 12/27/1983 | US4422931 Oil concentrator |
| 12/27/1983 | US4422929 Wastewater treatment plant |
| 12/22/1983 | WO1983004376A1 Deposition flocculant for use in water treatment |
| 12/21/1983 | EP0096670A1 Apparatus for separating solid particles from a liquid |
| 12/20/1983 | US4421647 Filter with indexable filter web |
| 12/20/1983 | US4421645 Compact universal drum filter settler |
| 12/20/1983 | US4421602 Copolymer of vinylamine and n-vinylformamide |
| 12/13/1983 | CA1158569A1 Apparatus for the concentration of muds and suspensions |
| 12/08/1983 | WO1983004189A1 Methods for processing coal |
| 11/29/1983 | US4417988 Dempening waves |
| 11/29/1983 | US4417983 Scraper apparatus for settling basins and the like |
| 11/29/1983 | CA1157814A1 Lamellar separator |
| 11/29/1983 | CA1157652A1 Coal gasification plant |
| 11/22/1983 | US4416778 Separation of blood components |
| 11/15/1983 | US4415445 Aqueous slurries o& coal fines and an oily binder |
| 10/27/1983 | WO1983003596A1 Method and apparatus for the separation of constituents from a mixture |
| 10/26/1983 | EP0091919A1 Lamellar construction for treating liquids |