| 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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| 06/17/1992 | EP0393029B1 Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solvents |
| 06/16/1992 | US5122310 Gas/liquid distributor for a counter-current column |
| 06/16/1992 | US5122233 Apparatus for the treatment of mixture of brines and contaminated mineral salts |
| 06/16/1992 | CA1303482C Method and apparatus for treating liquid/gas mixtures |
| 06/16/1992 | CA1303481C Process for drying sulfur dioxide |
| 06/12/1992 | CA2051291A1 Cleaning of articles |
| 06/11/1992 | WO1992009351A1 Apparatus for the vacuum distillation of liquids |
| 06/09/1992 | US5120474 Valve-tray assembly |
| 06/09/1992 | US5120403 Method for operating a catalytic distillation process |
| 06/04/1992 | DE4104333A1 Conversion of raw material in mixed phase reaction distn. |
| 06/04/1992 | DE4038273A1 Vorrichtung zum ausloesen und/oder foerdern chemischer und/oder physikalischer prozesse Apparatus for initiating and / or promote chemical and / or physical processes |
| 06/03/1992 | EP0487813A2 Process and device to obtain fresh water from warm sea water |
| 06/02/1992 | US5118873 Process for the preparation of mtbe |
| 06/02/1992 | US5118872 Slurrying catalyst and feeding into distillation zone |
| 06/02/1992 | US5118652 Ferric phosphate catalyst for use in the manufacture of alkyl glyoxylate |
| 06/02/1992 | US5118449 Method of and apparatus for cartridge tray sealing |
| 06/02/1992 | US5118388 Reduction of content of monomers, oligomers, and diluents |
| 05/29/1992 | WO1992008964A1 Powder pipette and apparatus for handling such a pipette |
| 05/29/1992 | WO1992008535A1 Fluid purifier and method for removing chlorofluorocarbons from contaminated fluid |
| 05/27/1992 | EP0487264A1 Process for the preparation of MTBE |
| 05/27/1992 | EP0486797A2 Process for upgrading the residues from extractive destillation processes for the recovery of pure aromatics |
| 05/27/1992 | EP0486527A1 Process and apparatus for concentrating high-viscosity foodstuffs. |
| 05/27/1992 | EP0245405B1 Process and device for distilling fresh water from sea water |
| 05/26/1992 | US5116467 Water and acetone removal from propylene oxide by extractive distillation |
| 05/26/1992 | US5116466 Propylene oxide purification by extractive distillation |
| 05/26/1992 | US5116465 Removal of water, methanol and acetone from propylene oxide by extractive distillation |
| 05/21/1992 | DE4036733A1 Fresh water prepn. from sea water - by using the sea water as a coolant and continuously withdrawing water vapour from the unit |
| 05/20/1992 | EP0444141A4 Dry cleaning solvent filtration and recovery system |
| 05/14/1992 | WO1992008252A1 Process for the direct conversion of energy |
| 05/14/1992 | WO1992007639A1 Method and apparatus for monochannel simultaneous heat and mass transfer |
| 05/13/1992 | EP0485078A1 Process for the production of MTBE |
| 05/12/1992 | US5113031 Increasing olefin vapor pressure |
| 05/12/1992 | US5112536 Random packing element and method |
| 05/12/1992 | US5112442 Liquid vaporizing process for manufacturing iron oxide |
| 05/12/1992 | US5112441 Wastes from pulping process, concentrated feed for soda ash furnace |
| 05/12/1992 | CA1300645C Process for the production of vinyl chloride through thermal cracking of1,2-dichloroethane |
| 05/08/1992 | CA2053616A1 Process for the production of mtbe |
| 05/05/1992 | US5110508 Process and apparatus for making a heat-sensitive material |
| 05/05/1992 | US5110419 Low profile water distiller |
| 05/05/1992 | US5110418 Water distiller having a heating element with temperature sensing and control elements |
| 05/05/1992 | CA1299997C Apparatus for gas wet treatment |
| 05/03/1992 | WO1992007921A1 Process and installation for producing liquid fuels and raw chemicals |
| 05/03/1992 | CA2095122A1 Process and installation for producing liquid fuels and raw chemicals |
| 05/01/1992 | CA2095027A1 Method and apparatus for monochannel simultaneous heat and mass transfer |
| 04/29/1992 | EP0409903B1 Process for preparing polyunsaturated fatty acids |
| 04/29/1992 | CN2102788U Super-gravitational field herizontal rotary bed with liquid anti-drain device |
| 04/29/1992 | CN1016404B Rectification of mixts. with high freezing pt. and installation thereof |
| 04/28/1992 | US5108550 Concurrently contacting a fluid stream with a particulate solid catalyst while distilling the reaction product |
| 04/28/1992 | US5108548 Low pressure distillation apparatus |
| 04/22/1992 | EP0481474A1 Machine for washing mechanical pieces with volatile solvents |
| 04/22/1992 | CN2102145U High-efficiency energy-saving distillation equipment |
| 04/22/1992 | CN1060415A Rotary liquid-feeding rotating bed |
| 04/22/1992 | CN1016317B Liquid distributor for packed tower |
| 04/22/1992 | CN1016316B Static electric heater for vacuum molecular distillation |
| 04/21/1992 | US5107055 Extractive distillation with N-substituted morpholine solvent |
| 04/21/1992 | US5106556 Method of downcoer-tray vapor venting |
| 04/21/1992 | US5106544 Method of and apparatus for vapor distribution |
| 04/21/1992 | US5106507 Method for recovering hydrocarbon contaminants from wastewater |
| 04/19/1992 | CA2053592A1 Process for vertically adjusting an element in a sealed casing and apparatus therefor |
| 04/15/1992 | EP0480040A1 Process for separating impurities from aqueous solution of crude ethanol |
| 04/15/1992 | CN1060228A Catalytic rectifying tower and its usage |
| 04/14/1992 | US5105029 Process for recovering a lower alcohol from a catechol-lower alcohol reaction product solution |
| 04/14/1992 | US5104491 Method for purifying pentachloronitrobenzene by solid base treatment |
| 04/14/1992 | CA1298776C Process for separation of hydrocarbon mixtures |
| 04/14/1992 | CA1298753C Method of removing amine from oil |
| 04/08/1992 | EP0479486A1 Separation of gas mixtures |
| 04/08/1992 | EP0478586A1 Multistage evaporating system. |
| 04/07/1992 | US5102618 Vapour phase catalytic exchange apparatus |
| 04/07/1992 | US5102583 Apparatus for contacting a gas and a liquid |
| 04/07/1992 | US5102504 Device for solvent recovery in an ultrasonic cleaning device |
| 04/07/1992 | US5102503 Mobile self-contained system for on-site recovery of solvents |
| 04/03/1992 | CA2052592A1 Separation of gas mixtures |
| 04/02/1992 | WO1992004956A1 Process and device for disposing of industrial liquid wastes containing glycol |
| 04/01/1992 | EP0478112A1 Vacuum boiler type evaporator |
| 03/31/1992 | US5100623 Automatic, multicompartment, microprocessor controlled |
| 03/31/1992 | US5100515 Separation of alkenes from close-boiling alkanes |
| 03/31/1992 | US5100514 Isophorone, sulfolane and other extractants |
| 03/31/1992 | CA1298234C Process for the separation of hydrocarbons from a mixed feedstock |
| 03/31/1992 | CA1298233C Distillation cut point control |
| 03/31/1992 | CA1298065C Processing nitrogen-rich, hydrogen-rich, and olefin- rich gases with physical solvents |
| 03/30/1992 | CA2037565A1 Method of de-alcoholizing beverages |
| 03/26/1992 | DE4030331A1 Verfahren und vorrichtung zur entsorgung von glykolhaltigen betriebsfluessigkeiten Method and device for disposal of glycol-containing betriebsfluessigkeiten |
| 03/25/1992 | EP0476938A1 Catalytic distillation sytem |
| 03/25/1992 | EP0476776A1 Method for separating a mixture of a solvent and a plastic and installation for using the method |
| 03/25/1992 | CN1015980B Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids |
| 03/24/1992 | US5098615 Multiple-downcomer contacting tray with fluid directing baffles |
| 03/24/1992 | CA1297903C Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids |
| 03/19/1992 | DE4029314A1 Processing crude 1,2-di:chloroethane from ethylene@ oxychlorination - by direct reaction of chlorine@ and ethylene@, using heat of reaction for evapn. of crude prod. in distn. column prod. |
| 03/19/1992 | DE4029071A1 Device for evaporation esp. flash evapn. of liq. prods. - comprises vessel with upper vapour outlet and vertical perforated inlet pipe surrounded by sloping horizontal evapn. surfaces |
| 03/11/1992 | CN2098618U Multifunctional cycling flashing reactor |
| 03/11/1992 | CN1059291A Single-tower gaseous extracting method with side-draw for recovering sulfur and ammonia from acidic waste water of oil refinery |
| 03/11/1992 | CA2028266A1 Dimpled plate multi-staged flash evaporator |
| 03/10/1992 | US5095164 Acidity |
| 03/10/1992 | US5094722 Distillation, melt crystallization |
| 03/10/1992 | CA1297067C System and method for removing volatile components from an aqueous medium |
| 03/10/1992 | CA1297059C Overland petroleum processor and process |
| 03/05/1992 | WO1992003203A1 An apparatus and a method for treating emulsified liquids |
| 03/04/1992 | EP0473329A1 Dimple plate horizontal evaporator effects |
| 03/04/1992 | CN1059105A Supergravitational field intensified transfer for revolving bed and its reaction device |
| 03/03/1992 | CA1296702C Regeneration of a scrubbing agent |