| Patents for B01D 17 - Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (15,669) |
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| 10/27/1992 | US5158677 Machine coolant reclamation apparatus |
| 10/26/1992 | WO1992018216A1 Separator for at least two substances having different densities, at least one of which is a liquid |
| 10/23/1992 | CA2060158A1 Method of removing and recovering hydrocarbons from hydrocarbon/water mixtures |
| 10/22/1992 | DE4112502A1 Fat separator e.g. for abattoir waste water - has water outlet in form of riser pipe with inlet near pit floor and outlet outside top of pit, for improving gravity sepn. performance |
| 10/20/1992 | US5156767 Emulsion breaking using alkylphenol-polyethylene oxide-acrylate polymer coated coalescer material |
| 10/20/1992 | US5156751 Three stage centrifuge and method for separating water and solids from petroleum products |
| 10/20/1992 | US5156745 Induced gas liquid coalescer and flotation separator |
| 10/20/1992 | US5156686 Treating with carboxylic acid, conversion to water soluble salt, removing entrained oil in aqueous phase |
| 10/15/1992 | WO1992017260A1 Material treatment apparatus |
| 10/14/1992 | EP0508814A1 Apparatus for separating hydrocarbon products from water |
| 10/14/1992 | EP0508144A1 Apparatus for separating floating oil from a mixture of oil and water |
| 10/14/1992 | EP0507784A1 Thin flexible sheet sorption material for the removal of oil from oil spills. |
| 10/13/1992 | US5154857 Demulsifying and antifouling agent suitable for separating possibly emulsified water/hydrocarbon mixtures |
| 10/13/1992 | US5154835 Collection and separation of liquids of different densities utilizing fluid pressure level control |
| 10/06/1992 | US5152927 Water clarifier |
| 10/01/1992 | WO1992016278A1 Liquid separating method and apparatus |
| 10/01/1992 | WO1992016277A1 High efficiency, anti-flush light liquid separator |
| 10/01/1992 | DE4208598A1 Automatic addn. of antifoaming agent - used to prevent excessive foaming of machine tool lubricating emulsion in filter system tank |
| 09/30/1992 | EP0505734A2 Separator for the purification of waste waters contaminated with floating and suspended matters |
| 09/29/1992 | US5151194 Water purification using fibrous peat |
| 09/29/1992 | US5151185 Light-liquid separator |
| 09/29/1992 | CA1308035C Floating decanter |
| 09/24/1992 | DE4108896A1 Circular vessel for sepg. light and/or heavy impurities from water - with scrapers which remove impurities from conical floor and roof which are loosely mounted and pressed against floor or roof by springs or by gravity |
| 09/23/1992 | EP0188524B1 Filter with end cap which will accomodate flow reversal |
| 09/23/1992 | CN2116520U Waste oil recovery apparatus with energy-saving and accurate auto-control function |
| 09/22/1992 | US5149658 Method for the separation and/or formation of immiscible liquid streams |
| 09/22/1992 | US5149443 System for recovering oil from the ocean controlled by wave profile generating computer |
| 09/22/1992 | US5149440 Emulsion resolution |
| 09/22/1992 | US5149434 Gravity separator |
| 09/22/1992 | US5149344 Multi-phase flow and separator |
| 09/17/1992 | DE4108216A1 Separator for use in waste water - has directly separable floating and/or sinking components in settlement pond |
| 09/17/1992 | DE4108214A1 Separator for floating and suspended matter in waste water - with device to form laminar flow to prevent turbulence |
| 09/17/1992 | DE4107733A1 Removing water contg. oil residues - using absorbent contg. quicklime and quick setting cement, and burning prod. |
| 09/17/1992 | DE4102175A1 Splitting spent emulsions |
| 09/17/1992 | DE4100964A1 Splitting spent emulsions |
| 09/17/1992 | DE4039255A1 Process for emulsion sepn. in metal working-, chemical-, food, etc. industries - comprises enriching emulsion with carbon di:oxide under pressure, subjecting to ultrasound and pref. heating |
| 09/16/1992 | EP0503374A2 Method for dissociation of oil-in-water emulsions |
| 09/16/1992 | CN1064417A Grinding emulsion breaking method |
| 09/16/1992 | CN1064416A Device for separating oil from oil-dregs |
| 09/15/1992 | WO1992016459A1 Discharge valve for dissolved air flotation |
| 09/15/1992 | US5147562 Acoustophoresis method and apparatus |
| 09/15/1992 | US5147554 Process for treating wastes from the machining of ferromagnetic materials |
| 09/15/1992 | US5147534 Waste water treatment system |
| 09/15/1992 | US5147184 Top inlet apparatus |
| 09/15/1992 | US5147045 Particulate separations by electrostatic coalescence |
| 09/15/1992 | CA2106084A1 Discharge valve for dissolved air flotation |
| 09/10/1992 | CA2062392A1 Process for breaking oil-in-water emulsions |
| 09/09/1992 | EP0502808A2 Oil separator |
| 09/09/1992 | EP0501998A1 Device for filtering contaminated liquids, in particular water. |
| 09/08/1992 | US5145586 Having a lower density than droplets and continuous phase |
| 09/08/1992 | CA1307183C Process for the treatment of contaminated emulsion |
| 09/03/1992 | WO1992014849A1 Process and apparatus for de-oiling mill scale waste materials |
| 09/01/1992 | US5143703 Fluid flow control and isolation |
| 09/01/1992 | US5143623 Precipitation |
| 09/01/1992 | US5143611 Apparatus for separating oil from water |
| 09/01/1992 | US5143608 System of separation from a liquid |
| 09/01/1992 | US5143603 Apparatus and system for removing low density liquids from oil production water tanks |
| 09/01/1992 | US5143109 Recovering temperature-sensitive surfactant from dispersion or emulsion of oil and water by heating above the cloud point of surfactant under conditions of temperature and aqueous phase salinity that dispersion breaks into three layers |
| 08/27/1992 | DE4105600A1 Freeing waste water or waste air from aromatic cpd. carrying functional gp. - by contact with synthetic carrying carboxamide gp. with high specific surface |
| 08/26/1992 | CN1017968B Solution separation apparatus utilizing gel swelling character |
| 08/19/1992 | EP0499068A1 Reaction products of alkoxylates and vinyl monomers, process for their preparation and their use as demulsifiers for crude oil emulsions |
| 08/19/1992 | EP0498991A2 Apparatus for regulating the temperature of a liquid |
| 08/18/1992 | US5139663 Discharge valve for dissolved air flotation |
| 08/18/1992 | US5139653 System for draining water from oil storage tanks with periodic monitoring and recirculation |
| 08/18/1992 | CA1306442C Separation of dispersed phase from continuous phase |
| 08/16/1992 | CA2061174A1 Reaction products of alkoxylates and vinyl monomers, their preparation and their use as demulsifiers for crude oil emulsions |
| 08/16/1992 | CA2055742A1 Apparatus for regulating liquid temperature |
| 08/11/1992 | US5137643 Continuous soap skimmer |
| 08/11/1992 | US5137424 Pump unit |
| 08/08/1992 | WO1992013804A1 Continuous soap skimmer |
| 08/06/1992 | WO1992012933A1 Method and device for electroplasma separation of fat and oil from sewage |
| 08/06/1992 | WO1992012781A1 Separating apparatus |
| 08/06/1992 | DE4103349A1 Device for separating light liquids from waste water - includes coalescence plates in form of prefabricated plastic three=dimensional modules, with upper modules at right angles to those below |
| 08/06/1992 | DE4103165A1 Purifying contaminated effluent waters - by liq. liq. extraction followed by treatment in adsorption reactor |
| 08/06/1992 | DE4103164A1 Purifying effluent water contg. sedimenting and floating substances - by passing through sludge trap, gravity separator and coalescence separator which is periodically cleaned by backwashing |
| 08/06/1992 | DE4103163A1 Purificn. of effluent water contaminated with small amts. of halogenated hydrocarbon(s) - by dispersing sorption agent in water in static mixer and passing to separator |
| 08/06/1992 | DE4103162A1 Sepg. small concns. of light liquids from effluent water - by extn. with heavy water immiscible solvent and removal of solvent residues by sorption |
| 08/06/1992 | DE4102839A1 Emulsion separator for separation of aqueous oil dispersion from machines - has sound vibration energy cleaned sieve screen |
| 08/05/1992 | EP0497295A2 Liquid separator |
| 08/05/1992 | EP0497294A2 Toroidal chamber separator |
| 08/04/1992 | US5135660 Method of recovering oil from the surface of water |
| 08/04/1992 | US5135656 Process for removing water soluble organic compounds from produced water |
| 08/04/1992 | US5135655 Process for treating refinery slurries |
| 08/04/1992 | US5135646 Liquid separator |
| 08/04/1992 | CA1305853C Water absorbent packet |
| 08/02/1992 | CA2035585A1 Differential continuous oil separator and its application in pollution control |
| 07/30/1992 | DE4102528A1 Sepg. oil-water emulsions e.g air compressor condensates - using active carbon@ adsorption preceded by treatment with a cationic emulsion breaker |
| 07/29/1992 | EP0496099A2 Flotation device |
| 07/28/1992 | US5133882 Barge mounted oil recovery and recycle system |
| 07/28/1992 | US5133881 Assembly for oil and grease removal from drainwater mounted to facilitate parts replacement |
| 07/28/1992 | US5133870 Treatment of aqueous dispersions |
| 07/23/1992 | DE4101173A1 Sepg. floating and sinking impurities from waste water |
| 07/23/1992 | DE4101172A1 Gravitational separator for floating impurities such as fats and oils - has pipe leads from conical upper section of closed separator to exchangeable collection vessel, and adaptor or pipe has same dimensions as standard vessel cover |
| 07/22/1992 | EP0495386A1 Process for separating floating and settleable materials from waste water |
| 07/22/1992 | EP0495120A1 Liquid-absorbing block |
| 07/22/1992 | EP0302123B1 Settler for liquid-liquid extractors |
| 07/21/1992 | US5132024 Measurement of radius or diameter of cone shaped discharge |
| 07/21/1992 | US5132011 Oil, water and gas mixture separator |
| 07/21/1992 | US5132010 In-line oil-separating equipment with meandering flow |
| 07/21/1992 | CA1305390C Method and apparatus for separating phases of a multi- phase liquid |