| Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025) |
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| 09/19/1989 | US4867849 Purification of alkyl glyoxylate |
| 09/19/1989 | EP0327584A4 Orbital drive evaporator. |
| 09/14/1989 | DE3805853C1 Device for fixing the tray of an exchange column |
| 09/13/1989 | EP0332525A1 Process for the preparation of a tertiary alkyl ether by reactive distillation |
| 09/13/1989 | EP0331842A1 Process and apparatus for recovery of oil |
| 09/13/1989 | CN1035440A Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solvents |
| 09/12/1989 | US4865697 Flashing feed inlet in a vapor/liquid contacting tower and method |
| 09/06/1989 | EP0331247A2 Gas/liquid contacting apparatus |
| 09/05/1989 | US4863609 Process for the fractional separation of protein mixtures by means of membranes |
| 09/05/1989 | US4863607 Method for removing amine from oil |
| 09/05/1989 | US4863570 Free falling thin sheets |
| 09/05/1989 | US4863568 Apparatus for fractional distillation under vacuum |
| 09/05/1989 | US4863567 Fluid distillation apparatus |
| 08/30/1989 | EP0329958A2 Process for the preparation of an aromatic concentrate useful as a blending component for carburetion fuels |
| 08/30/1989 | CN1035099A Method for recovery of cyanide |
| 08/29/1989 | US4861435 Water distillation apparatus for under-the-sink operation |
| 08/29/1989 | US4860548 Air conditioning process and apparatus therefor |
| 08/23/1989 | EP0329637A2 Purification of alkyl glyoxylate in a continuous column by azeotropic distillation |
| 08/23/1989 | EP0328888A1 Thermostatic device for the safe and controlled vaporization of noxious or liquid source materials that are highly reactive in the air, especially for low pressure vapour discharge systems in the field of semiconductors |
| 08/23/1989 | EP0328786A1 Splash plate liquid distributor |
| 08/16/1989 | EP0327584A1 Orbital drive evaporator. |
| 08/15/1989 | US4857168 Method for hydrocracking heavy fraction oil |
| 08/15/1989 | US4857151 Phenol purification |
| 08/15/1989 | US4857150 Silicone oil recovery |
| 08/09/1989 | EP0326664A1 Process and apparatus for the production of nitric acid by oxidation and absorption of nitrogen oxides |
| 08/08/1989 | US4855552 Fluid heating device incorporating transformer secondary winding having a single electrical turn and cooling means optimized for heat transfer |
| 08/08/1989 | US4855089 Distributor for distributing liquid in an exchange column |
| 08/08/1989 | US4855023 Method and apparatus for the continuous on-site chemical reprocessing of ultrapure liquids used in semiconductor wafer cleaning |
| 08/08/1989 | US4854942 Control of pH in water quench of a partial oxidation process |
| 08/08/1989 | CA1258248A1 Disposal of wastes with solvent recovery |
| 08/01/1989 | USRE33007 Method of vaporizing multicomponent liquids |
| 08/01/1989 | US4853088 Solar enhanced separation of volatile components from a liquid |
| 08/01/1989 | CA1258035A1 Column and process for contacting a gas stream counter-currently with a liquid stream |
| 07/26/1989 | EP0324915A1 Process for separating valuable material from water-solutions |
| 07/25/1989 | US4851198 Reactor for producing chlorine dioxide |
| 07/25/1989 | US4851086 Separation with alpha-methylstyrene and methylbenzofurans as by-product impurties |
| 07/20/1989 | DE3818917C1 Packing for an exchange column |
| 07/18/1989 | US4849569 Alkylation of organic aromatic compounds |
| 07/18/1989 | US4848088 Heat recycling process |
| 07/11/1989 | US4847431 Process for manufacturing a tertiary alkyl ether by reactive distillation |
| 07/11/1989 | US4847430 Process for manufacturing a tertiary alkyl ether by reactive distillation |
| 07/11/1989 | US4846935 Concentration of volatile compounds from solid or liquid material |
| 07/11/1989 | US4846256 Shell for plate-type apparatus to carry out thermo-dynamic processes based on heat-exchange between flowing fluids |
| 07/11/1989 | US4846240 High cop absorption heat pumped evaporation method and apparatus |
| 07/06/1989 | DE3743913A1 Distillation process and distillation device |
| 07/05/1989 | CN1004697B Continous treatment process of polymer composition |
| 07/04/1989 | US4843828 Distillation, heat exchanging |
| 06/28/1989 | EP0321908A2 Disinfectant vaporizing apparatus |
| 06/27/1989 | US4842748 Pressurizing and releasing into a vacuum chamber, removing vapors, collecting purified liquid water |
| 06/27/1989 | US4842696 Purification of pentachloronitrobenzene by distillation |
| 06/27/1989 | US4842049 Heat exchanging apparatus for cooling and condensing by evaporation |
| 06/21/1989 | EP0320885A2 Suitable distillation packing for the cryogenic separation of air |
| 06/21/1989 | EP0320804A2 Water distilling apparatus |
| 06/20/1989 | CA1256089A1 High specific area material and use thereof for improving contact between phases or reactants implying physical and/or chemical and/or biological processes |
| 06/14/1989 | EP0320180A2 Integrated etherification and oxygenates to gasoline process |
| 06/14/1989 | EP0319558A1 Vapor-liquid contact device and method |
| 06/13/1989 | US4839209 Sheet-shaped, corrosion resistant parts of apparatus |
| 06/13/1989 | US4839108 Liquid distribution device and pan |
| 06/13/1989 | US4838906 Contact-and-separating element |
| 06/13/1989 | CA1255583A1 Gas-liquid contact apparatus and method of making it |
| 06/07/1989 | CN1033244A Process of treating acidic water |
| 06/06/1989 | CA1255234A1 Process and apparatus for treating wet fat biological tissue using a water miscible solvent |
| 06/01/1989 | DE3839159A1 Stoff-austausch-boeden Fabric-exchange floors |
| 05/31/1989 | EP0317556A1 Distillation apparatus and method. |
| 05/31/1989 | CN1033191A Method for the preparation of ester-exchanged oil or fat |
| 05/30/1989 | US4834841 Method for treating baking oven stack gases |
| 05/30/1989 | EP0270656A4 Vapour deposition of monomer fluids. |
| 05/24/1989 | CN1033011A Membrane-distillation method |
| 05/23/1989 | US4832718 Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solvents |
| 05/23/1989 | US4832115 Method and apparatus for simultaneous heat and mass transfer |
| 05/23/1989 | US4831968 Reboiler |
| 05/17/1989 | CN1032906A Fast water-vapour distiller |
| 05/16/1989 | US4830710 Apparatus for recycling solvents |
| 05/16/1989 | US4829781 Appliance for purifying and/or humidifying and dehumidifying gases, especially air |
| 05/09/1989 | US4828660 Method and apparatus for the continuous on-site chemical reprocessing of ultrapure liquids |
| 05/05/1989 | WO1989003715A1 A low pressure distillation apparatus |
| 05/02/1989 | US4826574 Distillation column with helical liquid flow and dissymmetric spacing of the trays |
| 05/02/1989 | US4826507 Integrated etherification and oxygenates to gasoline process |
| 05/02/1989 | CA1253556A1 Fluid heater comprising a non-conductive magnetic core with a primary winding of electrically conducting wires |
| 05/02/1989 | CA1253432A1 Gas liquid contact tray and method of use |
| 05/02/1989 | CA1253430A1 Process and apparatus for fractionation of a gaseous mixture |
| 04/27/1989 | DE3734400A1 Process for purifying fruit brandies and spirits |
| 04/26/1989 | EP0313183A2 Vapor liquid deentrainment apparatus and method |
| 04/25/1989 | US4824792 Apparatus and a method for removing a solute from a solvent |
| 04/25/1989 | US4824527 Nested enrichment cascade distillation of unequal mixtures |
| 04/20/1989 | DE3733748A1 Process for producing ethanol and biomass from fermented mash |
| 04/18/1989 | US4822948 Self-cooled process for extracting heavy hydrocarbon fractions |
| 04/18/1989 | US4822455 Distilling and desalination apparatus |
| 04/11/1989 | US4820456 Mass-transfer apparatus |
| 04/11/1989 | US4820455 Apparatus for redistribution of vapor and liquid in a packed column |
| 04/11/1989 | US4820385 Purification of alkyl glyoxylate in a continuous column by azeotropic distillation |
| 04/06/1989 | WO1989003009A1 Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solvents |
| 04/05/1989 | EP0310191A2 Process and reaction vessel for production of alkyl nitrite |
| 04/05/1989 | EP0190435B1 Filling body made of a thin film-like material for material and heat exchange-columns between liquid and gaseous phases |
| 04/04/1989 | US4818347 Process for the isolation of vinyl acetate |
| 04/04/1989 | US4818346 Vertical distillation column with a de-entrainment device |
| 04/04/1989 | US4818344 Water distilling apparatus |
| 04/04/1989 | US4818297 Steaming |
| 04/04/1989 | CA1252057A1 Process for the production of ethanol |
| 03/29/1989 | EP0309415A1 A circuit for the recovery of residual solvent from vapour lingering in the distilling apparatus of dry cleaning machines and/or systems |