| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
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| 10/19/1983 | EP0091600A2 Device for automatically adjusting the level of a pumping tank |
| 10/18/1983 | CA1194444B Continuous process and apparatus for separating hydrocarbons from earth particles and sand |
| 10/18/1983 | CA1155412A1 Continuous process and apparatus for separating hydrocarbons from earth particles and sand |
| 10/11/1983 | US4409106 Apparatus and method for separating blood components |
| 10/11/1983 | CA1155068A1 Apparatus for the separation of solid/and or liquid particles from a liquid |
| 10/04/1983 | US4407678 Sludge removal machine |
| 10/04/1983 | CA1154702A1 Method for treating oil sands extraction plant tailings |
| 09/27/1983 | US4406304 Piston type valve |
| 09/20/1983 | US4405459 Oily water separator |
| 09/20/1983 | US4404754 Electrostatic method for treating material |
| 09/14/1983 | EP0088237A2 Vibrating container for the flocculation of waste water emanating from a tumbling apparatus |
| 09/13/1983 | US4404073 Photopolymerization of olefinically unsaturated monomers utilizing benzil dimethylacetal |
| 09/06/1983 | USRE31374 Spheres, buoyancy, barriers, apertures, hermetic sealing |
| 09/06/1983 | US4402920 Anionic hydrolyzed polyacrylamide flocculant |
| 09/06/1983 | CA1153497A1 Poly-(alpha-alkoxy)acrylamide and poly-(alpha-alkoxy) acrylamide complexes |
| 08/30/1983 | US4401576 Sediment collecting device |
| 08/30/1983 | US4401568 Apparatus for processing flushing liquor from coke ovens |
| 08/30/1983 | CA1152851A1 Micellar solutions of thin film spreading agents comprising a polyether polyol |
| 08/23/1983 | US4400662 Method and apparatus for energizing an electrostatic precipitator |
| 08/23/1983 | US4400280 Method and apparatus for supplying distributing composite liquids to a laminar separation apparatus |
| 08/23/1983 | CA1152511A1 Functionally substituted phenoxyalkyl alkoxysilanes and method for preparing same |
| 08/18/1983 | WO1983002769A1 Water treatment apparatus |
| 08/16/1983 | US4399041 Process for particulate removal from coal liquids |
| 08/10/1983 | EP0085629A1 Process for the flocculation of suspended particles in a liquid and application to the recovery of vegetable microalgae and zoological plankton, and to the purification of waste water |
| 08/09/1983 | CA1151558A1 Apparatus for separating solids and liquid components |
| 08/04/1983 | WO1983002671A1 Method and means for separation of a particulate phase in analysis |
| 08/02/1983 | US4396508 Separator for multi-phase liquids |
| 08/02/1983 | CA1151078A1 Device for separating sand and/or gravel from water at the pipe outlet of dredging suction pumps, or for separating other granulated material from a fluid flow |
| 08/02/1983 | CA1150913A1 Use of polyalkylene oxides for the separation of cellulose fibres |
| 07/26/1983 | US4395541 Ionene polymer and preparation thereof |
| 07/26/1983 | US4395354 Lipo-, heteropolysaccharides; emulsifiers; enhanced oil recovery; aluminum silicate flocculants |
| 07/26/1983 | US4395353 Polyanionic heteropolysaccharide biopolymers |
| 07/26/1983 | CA1150739A1 Slurry pump tram control apparatus |
| 07/26/1983 | CA1150641A2 Apparatus for the separation of solid and/or liquid particles from a liquid |
| 07/19/1983 | US4394272 Liquid clarifier and method |
| 07/19/1983 | US4394264 Magnetic liquid filter |
| 07/19/1983 | CA1150195A1 Surge devices for liquid-solid separators |
| 07/13/1983 | EP0083522A1 Process for the preparation of a cationic aminoplast resin and its use in the treatment of water |
| 07/12/1983 | US4392955 Sedimentation and clarification |
| 07/12/1983 | CA1149829A1 Slurry pump tram control apparatus |
| 07/12/1983 | CA1149756A1 Coalescer plates for oily water separator |
| 07/12/1983 | CA1149601A1 Method for complexing metal oxide particles in an organic medium |
| 07/07/1983 | WO1983002294A1 Procedure for clarifying liquid suspensions, particularly those produced in processes of the wood-processing industry |
| 07/07/1983 | WO1983002240A1 Apparatus and method for renewing coolant fluid |
| 07/05/1983 | US4391704 Gas-extraction arrangement for wastewater settling tank |
| 07/05/1983 | CA1149336A1 Screen device and method |
| 07/05/1983 | CA1149302A1 Emulsans |
| 06/28/1983 | US4390689 Quaternized polyamine |
| 06/28/1983 | US4390430 Apparatus for scraping sludge from the surface of a body of liquid |
| 06/28/1983 | US4390429 Decanter for decanting a fluid |
| 06/21/1983 | US4389314 Eductor truck |
| 06/15/1983 | EP0081332A1 Process for making starch flocculants of improved efficiency |
| 06/14/1983 | US4388195 Process and apparatus for the chemical-mechanical treatment and purification of ground waters, surface waters and effluents |
| 06/14/1983 | US4388190 Plate assembly and method for installing same in a separation device |
| 06/14/1983 | US4388180 Method for beneficiation of phosphate rock |
| 06/14/1983 | CA1148168A1 Agent for promoting filtration dehydration of metal hydroxide slurry |
| 06/07/1983 | US4387020 For waste water treatment system |
| 05/31/1983 | US4385903 Agent for promoting filtration dehydration of metal hydroxide slurry |
| 05/31/1983 | CA1147290A1 Apparatus for electrochemical purification of contaminated liquids |
| 05/25/1983 | EP0079838A1 Flocculant aid and process for water purification |
| 05/25/1983 | EP0079601A1 Apparatus for sewage clarification |
| 05/18/1983 | EP0079013A2 A device for clarification of liquids and separation of precipitates |
| 05/17/1983 | US4383922 Waste water clarifier |
| 05/11/1983 | WO1983001613A1 Lamellar construction for treating liquids |
| 05/11/1983 | EP0078491A1 Mechanical conditioning and flocculation of liquids |
| 05/03/1983 | US4381996 Method and device for cleaning livestock dipping vat solution to be used in conjunction with a dipping vat |
| 04/28/1983 | WO1983001394A1 Method and means for preparing neocyte enriched blood |
| 04/26/1983 | US4381237 Sludge robot |
| 04/26/1983 | US4381161 Slurry recovery from a circular sump |
| 04/19/1983 | US4380504 ψ-Emulsans |
| 04/06/1983 | EP0076240A1 Arrangement of extended sedimentation basins |
| 04/05/1983 | CA1144110A1 Process and apparatus for separating solids from suspensions of influent |
| 03/31/1983 | WO1983001013A1 Solids separation and liquid clarification system |
| 03/30/1983 | EP0074966A1 Filtering device for the separation of liquids and solid materials. |
| 03/29/1983 | US4378290 Modularized multi-stage separator system |
| 03/23/1983 | EP0074375A1 Lamellar construction for treating liquids |
| 03/23/1983 | EP0040203B1 Sludge robot |
| 03/22/1983 | US4377485 Apparatus and method for clarification of water using combined flotation and filtration processes |
| 03/15/1983 | CA1142881A1 Separation process for acrylic polymers or cololymers soluble in water, with a high molecular weight and a low residual monomer(s) content |
| 03/08/1983 | US4376048 Sludge collector for use in a settling basin |
| 03/08/1983 | US4376045 Liquid treatment apparatus |
| 03/08/1983 | CA1142453A1 Thickener control system |
| 03/08/1983 | CA1142419A1 Process and apparatus for removing sludge from salt baths |
| 03/01/1983 | CA1142099A1 Centrifugal oil filter |
| 02/23/1983 | EP0072737A1 Vortex flow apparatus for making a precipitate |
| 02/16/1983 | EP0072060A2 Process for the agglomeration of solids |
| 02/16/1983 | EP0071633A1 Offshore pollution control |
| 02/15/1983 | CA1141329A1 Process for preparing acrylic watersoluble polymers and copolymers, with a high molecular weight and a low residual monomer(s) content |
| 02/01/1983 | US4371437 Fuel sedimentation device |
| 01/25/1983 | US4370464 Cationic polymer flocculant |
| 01/25/1983 | CA1140281A1 Method for dewatering the sludge layer of an industrial process tailings pond |
| 01/25/1983 | CA1139940A1 Apparatus for producing water granulated slag |
| 01/20/1983 | WO1983000097A1 Method and device for the treatment of a liquid |
| 01/18/1983 | US4369169 Pretreatment of crude wet process phosphoric acid |
| 01/18/1983 | CA1139679A1 Liquid treatment apparatus |
| 01/18/1983 | CA1139532A1 Process for the agglomeration of solids |
| 01/14/1983 | EP0055292A4 Apparatus for treating liquids. |
| 01/12/1983 | EP0069435A1 Cationic polymeric material for treating water, preparation and utilisation thereof |
| 01/12/1983 | EP0069354A1 Method and apparatus for liquid treatment |
| 01/12/1983 | EP0069119A1 Fluid recovery system. |