| Patents for B01D 17 - Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (15,669) |
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| 10/20/1981 | US4295864 Process of treating pressurized condensate |
| 10/06/1981 | US4293348 Method for removing oil-based materials from water surface |
| 10/06/1981 | CA1110200A1 Sewage treating and conversion process |
| 09/29/1981 | US4292179 Spin-on filter coalescer unit with flow reversing baffle assembly |
| 09/29/1981 | CA1109807A2 Gravitational separator for mixtures of immiscible liquids of different densities |
| 09/29/1981 | CA1109804A1 Apparatus for the removal of oil from an oil in water emulsion |
| 09/29/1981 | CA1109606A1 Method of absorption of hydro-carbons or organic solvents |
| 09/22/1981 | US4290882 Solvent extraction and electrowinning to recover metal values |
| 09/22/1981 | CA1109401A1 Air-pressurized ultrafilter feeding concentrate to decanter |
| 09/21/1981 | EP0016806A4 Oil reconditioning filter. |
| 09/17/1981 | WO1981002618A1 Method and installation for regeneration oil polluted condensed water and for recuperating the residual heat of said condensed water |
| 09/15/1981 | US4289616 Apparatus for removing suspended solids from an effluent |
| 09/15/1981 | CA1108999A1 Process for removing oil from oily waste water streams |
| 09/08/1981 | CA1108558A1 Settling separator with inclined baffle plates |
| 09/02/1981 | EP0034689A1 Device for the automatic separation of liquid deposited on the bottom of a reservoir containing two non-miscible liquids |
| 09/01/1981 | US4287063 Oil from water |
| 09/01/1981 | CA1108190A1 Heteric/block polyoxyalkylene compounds as crude oil demulsifiers |
| 08/25/1981 | US4286206 Load-responsive treater controller |
| 08/18/1981 | US4284509 Floating, agglomeration, lipids |
| 08/18/1981 | CA1107235A1 Treatment of aqueous dispersions |
| 08/11/1981 | US4283290 For recovery of dissolved species in aqueous solutions |
| 08/11/1981 | CA1106577A1 Apparatus for mixing or separating two non miscible liquids, particularly for liquid-liquid extraction |
| 08/04/1981 | US4282097 Dynamic oil surface coalescer |
| 08/04/1981 | CA1106295A1 Slotted baffle for use in separating oil-water mixtures |
| 08/04/1981 | CA1106294A1 Separating oil-water mixtures |
| 07/29/1981 | EP0032610A1 Method for the removal of impurities from liquid mixtures |
| 07/28/1981 | CA1105847A1 Separating apparatus for clarifying liquid |
| 07/28/1981 | CA1105846A1 Process and apparatus for the separation of tar and ammonia liquor effluents from coke oven plants |
| 07/21/1981 | US4279757 Compressing a polyurethane foam to extract the liquid |
| 07/21/1981 | US4279620 Drying with calcium chloride |
| 07/14/1981 | US4278550 Fluid separator |
| 07/14/1981 | US4278545 Stacks of corrugated, spaced plates |
| 07/07/1981 | US4277352 Adding solubilizer to extract surfactant into water phase |
| 07/07/1981 | US4277347 Method for making flotable, particles suspended in a liquid by means of gas bubbles |
| 07/07/1981 | US4277334 Oil and debris skimmer |
| 06/30/1981 | US4276181 Particularly, oil-field water |
| 06/30/1981 | US4276161 Fuel filter provided with a water level detecting means |
| 06/25/1981 | WO1981001667A1 Fluid separator |
| 06/24/1981 | EP0030803A1 Apparatus and method for treating an aqueous effluent which contains suspended oil particles |
| 06/24/1981 | EP0030569A1 Apparatus for the separation of oil from dispersions |
| 06/23/1981 | US4274960 Filter means |
| 06/23/1981 | US4274957 Skimmer having a wide drive roller, a guide means, and a tension means |
| 06/16/1981 | US4273654 Separation device |
| 06/16/1981 | CA1103228A1 Oil-adsorbing composition for treating oil- contaminated water |
| 06/16/1981 | CA1103171A1 Compact apparatus for continuous treatment of aqueous effluents containing emulsified hydrocarbons |
| 06/16/1981 | CA1103170A1 Treatment of oil contaminated water |
| 06/10/1981 | EP0030201A1 Impurities clarification reservoir for combustibles |
| 06/09/1981 | CA1102935A1 Hydro-carbonaceous pollution separation process in a hydro-organic environment |
| 06/09/1981 | CA1102728A1 Demulsifying petroleum emulsions with polyalkylene oxide resins and alkali metal halides |
| 06/09/1981 | CA1102583A1 Side stream monitoring |
| 06/02/1981 | CA1102275A1 Breaking oil-in-water emulsion using porous iron electrode |
| 05/19/1981 | US4268396 Oil recovery apparatus and method |
| 05/19/1981 | CA1101368A1 Dual field electric treater |
| 05/12/1981 | US4267334 Useful as analgesics, antipyretics, and antiinflammatory agents |
| 05/12/1981 | US4267043 Immiscible liquid separating |
| 05/12/1981 | CA1100903A2 Electrofiltration system for purifying organic liquids |
| 05/05/1981 | US4265759 Device for separating a mixture |
| 05/05/1981 | US4265758 Collection of a surface layer of liquid |
| 05/05/1981 | CA1100415A1 Filtration and separation of emulsified liquids (t- 7613-c) |
| 04/30/1981 | WO1981001141A1 Process and device for processing bilge water |
| 04/30/1981 | WO1981001108A1 Lamellar separator |
| 04/28/1981 | US4264454 Feeding upwardly into a widening chamber to generate vortices |
| 04/28/1981 | US4264442 Liquid traps |
| 04/28/1981 | CA1100096A1 Methods and apparatus for separation of fluids with an electric field |
| 04/28/1981 | CA1100057A1 Cryothermal manipulation of petroleum |
| 04/22/1981 | EP0027359A1 Method of removing oil from water, and bag and two or more linked bags of feathers for use therein |
| 04/14/1981 | US4261827 Flexible blade apparatus for the recovery of floating material |
| 04/14/1981 | US4261820 Apparatus for separating a mixture of liquids of different specific weights, e.g. oil and water |
| 04/08/1981 | EP0026333A1 Transferring means for use in a device for separating of liquids, especially whole blood |
| 04/01/1981 | EP0026122A1 Apparatus for separating solids and liquid components |
| 03/31/1981 | CA1098484A1 Method and apparatus for separation of fluids with an electric field and centrifuge |
| 03/24/1981 | US4257895 Low gravity crude oil and water separator |
| 03/24/1981 | US4257890 Fuel-water separator |
| 03/24/1981 | CA1098048A1 Liquid trap |
| 03/18/1981 | EP0025281A1 Oil-containing waste water treating material comprising modified active carbon and method of removing oil fractions from oil-containing waste water |
| 03/10/1981 | CA1097257A1 Method and apparatus for precipitating colloids from aqueous suspensions |
| 03/03/1981 | US4253964 Device for bringing about particle growth in a flowing liquid suspension |
| 03/03/1981 | US4253954 Two-stage spin-on separating device |
| 02/24/1981 | US4252649 Open ended skim pile |
| 02/24/1981 | US4252631 Electrostatic coalescence system with independent AC and DC hydrophilic electrodes |
| 02/17/1981 | US4251369 Separation of dispersed liquid hydrocarbon phases from continuous aqueous phases |
| 02/17/1981 | US4251367 Wastewater treatment |
| 02/17/1981 | US4251361 For removal of hydrocarbons from water at offshore oil platforms |
| 02/17/1981 | CA1095839A1 Oil-water separation |
| 02/17/1981 | CA1095807A1 Resolution of oil-in-water emulsions containing uranium |
| 02/17/1981 | CA1095806A1 Demulsifiers for breaking crude-oil emulsions |
| 02/03/1981 | US4248710 Apparatus for the purification of water possessing solvent waste content |
| 02/03/1981 | US4248705 Process for removing oil from oily waste water streams |
| 02/03/1981 | US4248703 Attachment to floating continuous string belt |
| 01/20/1981 | US4246113 Apparatus and method for removing oil contaminants from waste water |
| 01/20/1981 | US4246112 Oil-water separator having means for conditioning the water for reuse |
| 01/20/1981 | CA1093977A1 Composite coalescing filter tube and method of manufacture thereof |
| 01/20/1981 | CA1093976A1 Method and device for separating a mixture |
| 01/13/1981 | CA1093478A1 Prefilters |
| 01/13/1981 | CA1093474A1 Method and apparatus for removing filterable substances from a liquid |
| 01/13/1981 | CA1093283A1 Method and a device for bringing about particle growth in a flowing liquid suspension |
| 01/07/1981 | EP0022120A1 Process for breaking and working-up oily and fatty emulsions |
| 01/06/1981 | US4243528 Treater for mechanically breaking oil and water emulsions of a production fluid from a petroleum well |
| 12/30/1980 | US4242209 Apparatus for separating mixtures of liquids of different specific gravities, etc. |
| 12/30/1980 | US4242206 Water-insoluble crosslinked sodium carboxymethyl cellulose fibers and fiberglass filter |