| Patents for B01D 17 - Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (15,669) |
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| 02/07/1990 | EP0353970A1 Process for the separation of HF via phase separation and distillation |
| 02/07/1990 | EP0353314A1 Process and installation for the purification of waste water containing emulsified fat, and discharging device |
| 02/06/1990 | CA1265453A1 Lamella gravity separator |
| 01/31/1990 | EP0353034A2 Method and apparatus for draining waste pits |
| 01/30/1990 | US4897206 Bidirectionally corrugated plate separator for fluid mixtures |
| 01/30/1990 | US4897205 Method for treating waste material |
| 01/30/1990 | CA1265266A1 Method and apparatus for biological aerobic wastewater treatment |
| 01/24/1990 | EP0351682A2 Clarification device |
| 01/24/1990 | EP0179870B1 Separation of dispersed phase from continuous phase |
| 01/24/1990 | CN1038943A Equipment for recovering and concentrating oil in water |
| 01/23/1990 | US4895649 Apparatus for processing coolant |
| 01/23/1990 | US4895641 Emulsifying surfactant or alkali, low shear, demulsification |
| 01/23/1990 | US4895582 Vortex chamber separator |
| 01/17/1990 | EP0350906A2 Toroidal chamber separator |
| 01/17/1990 | EP0350755A1 Method for the dissociation of an oil-in-water emulsion by use of organic dissociation products and use of the method |
| 01/17/1990 | EP0350579A1 Light liquids separator |
| 01/17/1990 | CN1038775A Mixing-type precipitating apparatus of liquid-liqud extraction |
| 01/16/1990 | CA1264443A1 System for separating oil-water emulsion |
| 01/16/1990 | CA1264438A1 Methods and apparatus for recovery of hydrocarbons and other liquids from underground |
| 01/11/1990 | EP0302867A4 Cyclone separator. |
| 01/10/1990 | EP0350279A2 Treatment of water by nanofiltration |
| 01/10/1990 | EP0350217A2 Solvent recovery |
| 01/10/1990 | EP0350174A2 Treatment of aqueous dispersions |
| 01/10/1990 | EP0349681A1 Methods for treating hydrocarbon recovery operations and industrial waters |
| 01/10/1990 | EP0163656B1 Cyclone separator |
| 01/10/1990 | EP0069119B1 Fluid recovery system |
| 01/09/1990 | US4892667 Method and means for dewatering lubricating oils |
| 01/09/1990 | US4892666 Removing oil from contaminated water |
| 01/09/1990 | CA1264263A1 Demulsification of oil-in-water emulsions |
| 01/03/1990 | EP0349363A1 Article and process for absorbing polluting products |
| 01/03/1990 | EP0349266A2 Low pressure hydrocyclone separator |
| 01/03/1990 | CN2050421U Level wave plates assembly for treating wastewater of containing oil |
| 01/02/1990 | US4891140 Energy efficient |
| 12/28/1989 | WO1989012492A1 Apparatus and methods for liquid treatment |
| 12/27/1989 | EP0146591B1 Hydrophobic composite, method and composition |
| 12/26/1989 | US4889639 Separating oil in water emulsions; crude oils; analyzing means |
| 12/26/1989 | US4889638 Agitation and/or gas separation and dispersed gas flotation |
| 12/21/1989 | DE3820142A1 Fresh fat separator |
| 12/20/1989 | EP0346328A1 Hydrocyclones. |
| 12/19/1989 | US4888117 Passing stream through element of sintered polymer with fine porous structure |
| 12/19/1989 | US4888107 Treating with organosiloxane having a quaternary ammonium group |
| 12/19/1989 | CA1263976A1 Demulsifier composition and method of use thereof |
| 12/14/1989 | WO1989009641A3 Multistep method for separating organic compounds from a solution |
| 12/12/1989 | US4886603 Method and apparatus for water decontamination |
| 12/07/1989 | DE3818580A1 Light-liquid trap |
| 12/06/1989 | EP0344946A2 Method and apparatus for treating waste paint sludge |
| 12/06/1989 | EP0152438B1 Liquid separator apparatus |
| 12/05/1989 | US4885111 Corrosion inhibitors and demulsifiers of crude oil emulsions |
| 12/05/1989 | US4885110 Branched polyoxyalkylene copolyesters, a process for their preparation, and their use |
| 11/30/1989 | DE3817664A1 Method and device for lavage of blood cells |
| 11/29/1989 | EP0343901A2 Method and apparatus for recovering high purity toluene, hexane titanium tetrachloride and tetrahydrofuran from mixtures |
| 11/29/1989 | EP0295251A4 Cyclone separator. |
| 11/28/1989 | US4883589 System for removing contaminants from ground water |
| 11/23/1989 | DE3816303A1 Water-separation apparatus |
| 11/21/1989 | US4881473 Method and apparatus for treating oil-water-solids sludges and refinery waste streams |
| 11/16/1989 | WO1989010795A1 Cyclone separator |
| 11/16/1989 | DE3913411A1 Oil separator |
| 11/16/1989 | DE3816493A1 Process for separating a starting product, preferably mill scale, into its constituents |
| 11/15/1989 | EP0341614A2 Apparatus for the electrolytic separation of emulsions |
| 11/15/1989 | EP0341282A1 Cyclone separator |
| 11/15/1989 | CN1037094A Efficient thick oil emulsion-breaking agent |
| 11/14/1989 | US4880647 Heat exchanging, ultrafiltration for sterilization of juices |
| 11/14/1989 | US4880533 Apparatus and system for treating waste water and sludge |
| 11/14/1989 | CA1262872A1 Phase separating rotary processor and method |
| 11/14/1989 | CA1262871A1 Filter block mounted fuel processor apparatus |
| 11/09/1989 | DE3818410C1 Apparatus for removing water from a water-containing liquid |
| 11/08/1989 | EP0341138A1 Process and apparatus for the treatment of waste water by electrolysis with a soluble anode |
| 11/07/1989 | US4879026 Device for the collection of various substances present in a liquid |
| 11/02/1989 | DE3814116A1 Equipment for the thermodiffusive sorption and desorption of gases, liquid or solid particles from a gaseous carrier medium |
| 11/02/1989 | DE3813038A1 Process for purifying the exhaust air of vulcanising plants |
| 11/02/1989 | DE3812061A1 Light liquid separator |
| 10/31/1989 | US4877842 Demulsifier compositions and methods of preparation and use thereof |
| 10/31/1989 | US4877520 Transparent tube container with dual barrier assembly |
| 10/31/1989 | CA1262531A1 Oil processing apparatus |
| 10/25/1989 | EP0338432A2 Filtering device for a liquid mixture |
| 10/24/1989 | US4876079 Separation of a mixture of sulfur and alkaline solution and apparatus therefor |
| 10/24/1989 | US4876016 Monitoring oil as a contaminant in water |
| 10/24/1989 | US4876011 Oil recovery apparatus |
| 10/24/1989 | US4876010 Waste treatment cleaner apparatus |
| 10/24/1989 | US4876004 Topological separator |
| 10/19/1989 | WO1989009653A1 Cyclone separator |
| 10/19/1989 | WO1989009641A2 Multistep method for separating organic compounds from a solution |
| 10/17/1989 | US4874534 Air bubbles bind drops and form froth on upper surface |
| 10/17/1989 | US4874531 Apparatus and method for separating water from aviation fuel, and float control therefor |
| 10/17/1989 | US4874528 Method for treating dispersions of oleophilic liquids and water |
| 10/17/1989 | US4874515 Ink reclamation system |
| 10/17/1989 | US4874507 Separating constituents of a mixture of particles |
| 10/16/1989 | EP0302123A4 Settler for liquid-liquid extractors. |
| 10/11/1989 | EP0336398A2 Separator element |
| 10/10/1989 | US4872997 Coolant recycling system and method |
| 10/10/1989 | US4872994 Method and apparatus for removing organic liquids from water |
| 10/10/1989 | US4872991 Treatment of water |
| 10/05/1989 | WO1989009092A1 Separating constituents of a mixture of particles |
| 10/03/1989 | US4871450 Water/wastewater treatment apparatus |
| 09/27/1989 | EP0333925A1 Light liquids separator |
| 09/27/1989 | CN2044893U Oil-contg. liquid treatment device |
| 09/26/1989 | US4870151 Polyurea-modified polyetherurethanes and their use as emulsion breakers for water-in-oil emulsions |
| 09/26/1989 | US4869831 Having two transparent washable windows near the levels of oil and water; degassing a wash water coking stream |
| 09/26/1989 | US4869814 Apparatus for separating dispersed phases for fluid mixtures |
| 09/26/1989 | US4869555 Apparatus for recovery of sulfur |