| 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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| 06/01/1993 | US5215630 Using a system of at least three connected distillation columns to separate a mixture of higher and lower number carbon fatty acids, and collect the pure concentrates |
| 05/30/1993 | CA2072429A1 Glycol dehydration apparatus for natural gas |
| 05/26/1993 | CN2134219Y Gas-liquid contactor |
| 05/26/1993 | CN1020896C Combined flow sequence of constant boiling and rectification by adding salt and extracting for purifying ethyl acetate |
| 05/26/1993 | CA2061099A1 Concentration process for a liquid fluid with suspended or dissolved solid matters, and implementation device |
| 05/25/1993 | US5213719 Gas-liquid contacting device |
| 05/25/1993 | CA1318238C Vapor/liquid contact column structure |
| 05/19/1993 | EP0542559A1 Inter-column heat integration for multi-column distillation system |
| 05/19/1993 | EP0542538A1 Liquid-vapour contact column |
| 05/19/1993 | EP0542405A1 Coproduction of a normal purity and ultra high purity volatile component from a multi-component stream |
| 05/19/1993 | CN1020673C Multiple-tube filling tower |
| 05/18/1993 | US5211916 Stripping system |
| 05/18/1993 | US5211856 Method of oil/water separation and device for purification of oil |
| 05/18/1993 | US5211817 Distillation hydrogen chloride, hydrogen fluoride and fluorocarbon azeotropes |
| 05/18/1993 | US5211816 Vacuum distillation apparatus for removal of volatile impurities from liquids |
| 05/18/1993 | US5211812 Device for the recovery of a processed liquid in the form of a condensate on a liquid to be processed |
| 05/15/1993 | CA2082677A1 Liquid-vapour contact columns |
| 05/13/1993 | WO1993009217A1 Wash waste liquid regenerating method, wash waste liquid regenerating apparatus, washing method and washing apparatus |
| 05/13/1993 | DE4235132A1 Distn. tower for esp. soluble oils - has two vessels in vertical stack with feed to lower vessel controlled by sensor to register its contents level |
| 05/13/1993 | DE4136607A1 Closed system vacuum evapn. plant operating at low temp. - comprising two vessels, heat exchanger and pump. for automatic operation without heat input |
| 05/12/1993 | CN2132555Y Fountain flash evaporator |
| 05/11/1993 | US5210327 Production of methyl tert-amyl ether and methyl tert-butyl ether |
| 05/11/1993 | US5210268 Process for continuously producing an aromatic carbonate |
| 05/11/1993 | US5209875 Multiple-downcomer contacting tray with antipenetration devices |
| 05/11/1993 | US5209828 Sodium hydroxide, water, sewage treatment, flashing, condensing |
| 05/11/1993 | US5209825 Preparation of purified concentrated BDO |
| 05/05/1993 | EP0540225A1 Purification of propylene oxide by extractive distillation |
| 05/05/1993 | EP0540224A1 Purification of propylene oxide by extractive distillation |
| 05/05/1993 | CN1020411C Mixed phase catalysis reaction distillation technology and equipment |
| 05/04/1993 | US5208367 Distillation, extraction |
| 05/04/1993 | US5207929 Pollution control |
| 05/04/1993 | US5207928 Spraying salt water drops and compressed air, evacuation and washing |
| 05/04/1993 | US5207874 Process for the purification of glycidyl (meth)acrylate |
| 05/04/1993 | US5207065 Reflux condensation |
| 05/02/1993 | CA2070878A1 Extractive distillation of propylene oxide |
| 05/02/1993 | CA2070866A1 Removal of water and acetone from propylene oxide by extractive distillation |
| 04/29/1993 | DE4135151A1 Distillation appts. for spirits prodn. - provides intensive mixing of vapour and condensate on concentrator boiler plates |
| 04/28/1993 | EP0538848A1 Process and equipment for the hydrolysis of residual urea in the water from urea synthesis plants |
| 04/28/1993 | EP0538264A1 Method and apparatus for seawater potabilization |
| 04/28/1993 | CN1071411A Process for purification of carboxylic acids and/or their anhydrides |
| 04/27/1993 | US5205909 Apparatus for measuring reflux flow in a distillation column |
| 04/27/1993 | US5205351 Process for vaporizing a liquid, heat exchanger therefor, and application thereof to an apparatus for air distillation with a double column |
| 04/27/1993 | US5205042 Process for adjusting the verticality of an article disposed in a closed envelope and assembly for carrying this process |
| 04/24/1993 | CA2081294A1 Process and equipment for the hydrolysis of residual urea in the water from synthesis plants |
| 04/21/1993 | EP0538186A1 Height-adjustable support for laboratory equipment |
| 04/21/1993 | EP0538117A1 Process and Apparatus for the mixed production of high and low purity oxygen |
| 04/21/1993 | CN1071160A System and device for increasing yield and production potential of urea reactors |
| 04/20/1993 | US5204064 Retaining reactants in contact with catalyst while separating out the products, improved reaction rate |
| 04/20/1993 | US5203970 Method for water degasification and distillation |
| 04/20/1993 | CA1316453C Double expanded metal distillation tray |
| 04/15/1993 | DE4133944A1 Recirculating gas purged laboratory evaporator - comprises still, heater, vapour riser, cooler, receiver and pressure regulator |
| 04/14/1993 | EP0536937A1 Method of manufacturing a packing material |
| 04/14/1993 | CN1070845A Method for manufacturing packing used in device for realizing material transfer, heat exchange or mixing |
| 04/14/1993 | CN1020257C Multistage flash and rectification coupling technology |
| 04/07/1993 | EP0535949A1 Purification of propylene oxide by extractive distillation |
| 04/07/1993 | EP0535825A2 Process for the purification of carboxylic acids and/or their anhydrides |
| 04/06/1993 | US5200040 Method for rectification and apparatus therefor |
| 04/06/1993 | US5200039 Steam chamber for a water distiller with contamination prevention baffle and check valve |
| 04/04/1993 | CA2070865A1 Purification of propylene oxide by extractive distillation |
| 04/03/1993 | CA2078850A1 Process for the purification of carboxylic acids and/or their anhydrides |
| 04/02/1993 | CA2079574A1 Method for manufacturing a packing used in a device for realizing material transfer, heat exchange or mixing |
| 04/01/1993 | DE4231081A1 Reactor fluid collection disc - has cup collector on rim, joined to drain tube for small product quantities |
| 03/31/1993 | EP0534739A1 Catalytic distillation structure |
| 03/31/1993 | EP0534125A2 Process for reprocessing the bottom product of an extractive distillation for recovering pure hydrocarbons |
| 03/30/1993 | US5198196 Method for removing and replacing catalyst in a distillation column reactor |
| 03/30/1993 | US5198076 Low-pressure desalinization device |
| 03/25/1993 | DE4131301A1 Distillery - has shrouding round base area of the fermenter at the water bath, to prevent overheating |
| 03/24/1993 | EP0529011A4 Enhanced vacuum cyclone |
| 03/24/1993 | CA2078908A1 Catalytic distillation structure |
| 03/23/1993 | US5196093 Water distiller having operating portions that can be removed for cleaning |
| 03/23/1993 | CA1314806C Vapor/liquid contact device |
| 03/18/1993 | WO1993005186A1 Process for the disposal of municipal waste and manufacture of fuel alcohol |
| 03/18/1993 | WO1993005005A1 Acetophenone removed from phenol purification residues |
| 03/18/1993 | WO1993004751A1 Process and device for removing gas in the evaporation of organically and/or inorganically contaminated water |
| 03/17/1993 | EP0531457A1 Process for the direct conversion of energy |
| 03/17/1993 | EP0531293A1 Thermal processes for evaporating, condensing and absorbing and combination of said processes. |
| 03/10/1993 | EP0531191A1 Process and apparatus for the separation of paraxylene in aromatic hydrocarbures with adsorption in simulated moving bed and one crystallisation step |
| 03/10/1993 | CN1020036C supergravitational field intensified transfer for revolving bed and its reaction device |
| 03/09/1993 | US5192466 Method of and apparatus for flow promotion |
| 03/09/1993 | US5192465 Method of and apparatus for liquid distribution |
| 03/05/1993 | EP0560767A4 Waste materials concentrator. |
| 03/04/1993 | WO1993003811A1 Model-supported process and device for regulating a rectification column |
| 03/04/1993 | WO1993003810A1 Method and device for centrifugal rectification |
| 03/04/1993 | DE4129076A1 Caprolactam] economical purificn. for high purity - by single evapn. stage and part condensn., fractionating uncondensed vapour in packed column, and taking=off total condensate fraction |
| 03/04/1993 | DE4128842A1 Brandy distn. appts. with improved interaction between condensn. and evapn. - has return tubes to pass cooling condensate to surfaces of lower bell caps, giving improved distilled prod. |
| 03/03/1993 | EP0530062A1 Fractionating process for oil and gas from a petroleum oil field effluent |
| 03/03/1993 | EP0530001A2 Multi-stage evaporation of liquid |
| 03/03/1993 | EP0529722A1 Process for obtaining purified aqueous solutions of hydrogen peroxide |
| 03/03/1993 | EP0529413A2 Method of separating organic solvents |
| 03/03/1993 | EP0529334A2 Liquid delivery and vaporization system |
| 03/03/1993 | EP0529011A1 Enhanced vacuum cyclone |
| 03/03/1993 | EP0516630A4 Process for recovery and treatment of a diverse waste stream |
| 03/02/1993 | US5190622 Recovery of glycerine from sorbitol by azeotropic distillation |
| 03/01/1993 | CA2076341A1 Vertical tower evaporation utilizing dimpled plates |
| 02/28/1993 | CA2075868A1 Method of separating organic solvents |
| 02/25/1993 | DE4127536A1 Modellgestuetztes verfahren zum regeln einer rektifikationskolonne Modellgestuetztes procedure to regulate a rectification column |
| 02/24/1993 | CN2127383Y Tower-like electrothermal pure water heater |
| 02/23/1993 | US5189001 Used for separation of components |
| 02/23/1993 | US5188772 Vapor-liquid contactor |
| 02/23/1993 | US5188710 Continuous water distillation system |