| 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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| 04/02/1997 | EP0765369A1 Process for the removal of mercaptans and hydrogen sulfide from hydrocarbon streams |
| 04/02/1997 | EP0765182A1 Process for deodorising and stabilising biotechnologically extracted valuable substances and their aqueous preparations |
| 04/02/1997 | CN2250795Y Semi-conical float valve tray |
| 04/02/1997 | CN1146733A Split flow reactor trays for vertical staged polycondensation reactors |
| 04/02/1997 | CN1034394C Catalyst-downcomer-tray for chemical process tower |
| 04/02/1997 | CN1034393C Device for counter-currently contacting gas and liquid |
| 04/02/1997 | CN1034392C Gas-liquid contacting device |
| 04/01/1997 | US5616217 Adding aqueous sodium hydroxide to recycled higher boiling water fraction to neutralize acidic by-products |
| 03/27/1997 | WO1997010883A1 Compact vacuum distillation device |
| 03/27/1997 | DE19647378A1 Process for improving a vapourisation technique |
| 03/27/1997 | DE19535505A1 Process for heterogeneous acid catalysed reactions for oligomerisation of olefin, etc. |
| 03/27/1997 | DE19535426A1 Recovering organic materials from a mixture |
| 03/26/1997 | EP0764646A1 Methods of recovering and dehydrating ethylene sulfide |
| 03/25/1997 | US5614066 Water distillation apparatus |
| 03/25/1997 | US5614065 Distillation with membrane apparatus |
| 03/25/1997 | CA2075230C Coproduction of a normal purity and ultra high purity volatile component from a multi-component stream |
| 03/19/1997 | EP0763082A1 Vacuum vessel for continuous or semicontinuous treatment of fatty oils |
| 03/19/1997 | CN1145358A Process for recovery of organic acid from manufacture of cellulose ester |
| 03/18/1997 | US5611895 Arrangement for removing and collecting the distillate of rotary vacuum evaporators |
| 03/12/1997 | EP0761273A1 Liquid-vapour contact column |
| 03/11/1997 | US5609735 Process and a device for separating a solid residue from its solution in a stirred bed of material |
| 03/11/1997 | US5609734 Combined distillation and permeation process for the separation of oxygenated compounds from hydrocarbons and use thereof in etherification |
| 03/11/1997 | US5609733 System and method for converting toxic washwater to distilled water |
| 03/06/1997 | WO1997007867A1 Liquid distributor for evaporator |
| 03/06/1997 | DE19633468A1 Centrifugal unit markedly increasing heat and mass transfer by increasing film thickness to induce turbulence |
| 03/06/1997 | DE19532346A1 Continuously decomposing waste bleaching liquor |
| 03/06/1997 | CA2229486A1 Liquid distributor for evaporator |
| 03/05/1997 | EP0759900A1 Process and device for recovering amines and use of residues obtainable thereby |
| 03/05/1997 | EP0713411A4 Distributor plate and evaporator |
| 03/05/1997 | EP0703821A4 Catalytic distillation structure |
| 03/05/1997 | CN2248583Y Vacuum, centrifugal, atomizing and flash evaporator |
| 03/04/1997 | US5607558 Method for selective and/or unselective vaporization and/or decomposition of, particularly, hydrocarbon compounds and apparatus for carrying out such a method |
| 03/04/1997 | US5607557 Ethyl tertio-butyl ether purification process combining a membrane method and distillation |
| 02/26/1997 | EP0759317A1 Apparatus for combined heat and mass transfer |
| 02/26/1997 | EP0759316A1 Device and method for mass transfer in tray columns |
| 02/26/1997 | CN1143948A Process for production of cyclohexyladipates and adipic acid |
| 02/25/1997 | US5605654 Method and apparatus to improve vapor distribution in mass transfer and heat exchange columns |
| 02/25/1997 | US5605606 Treating fluid mixture with a fluid which is a solvent for the first fluid and in which fouling components for the first fluid are insoluble, precipitating foulants, distilling |
| 02/19/1997 | EP0758266A1 Vertical staged polycondensation reactor containing split flow reactor trays |
| 02/19/1997 | CN1143330A Apparatus of improved flat plate heat exchanger design for polymer devolatilizer |
| 02/19/1997 | CN1034071C Process for purification of carboxylic acid and/or their anhydrides |
| 02/19/1997 | CN1034069C Process and device for separation of para-xylene from octa-arene by adsorption and crystallization with analogue movable bed |
| 02/18/1997 | US5603811 Process for the treatment of an aqueous solution mainly containing nitric acid and hydrofluoric acid |
| 02/18/1997 | US5603809 Spinning band |
| 02/18/1997 | CA2183596A1 Mass transfer in plate columns and apparatus for this purpose |
| 02/12/1997 | EP0757583A1 Vapor-liquid contact tray and downcomer assembly and method employing same |
| 02/12/1997 | CN1142810A Vaporizing and concentration drying apparatus and method |
| 02/11/1997 | US5601797 Liquid-phase catalyst-assembly for chemical process tower |
| 02/11/1997 | US5601688 Method of and means for spraying droplets |
| 02/06/1997 | WO1997003934A1 Low cost thermal coupling in ethylene recovery |
| 02/05/1997 | EP0756883A2 Apparatus and method for removing residual monomers |
| 02/05/1997 | EP0592443B1 Apparatus for the vacuum distillation of liquids |
| 02/05/1997 | CN2246534Y Wall-flowing liquid guiding ring for packing tower |
| 02/05/1997 | CN1142196A Process for the simplified separation of complex mixtures at least partially of organic origin |
| 02/05/1997 | CA2182068A1 Apparatus and method for removing residual monomers |
| 02/04/1997 | US5599997 Concurrent distillation and hydrogenation of aniline in column reactor having condenser within; by product inhibition |
| 02/04/1997 | US5599429 Water distillation system |
| 02/02/1997 | CA2155151A1 Liquid collector-distributor with integral exchange column and method |
| 02/01/1997 | CA2182261A1 Method and agent for inhibiting incrustations in evaporators for concentrating black liquor |
| 01/30/1997 | WO1997003148A1 Improved process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams |
| 01/30/1997 | WO1997002890A1 Cloth or cloth-like packing which is subject to low pressure losses and has an ordered structure for use in material-exchange columns and rectification method using such packing |
| 01/30/1997 | WO1997002880A1 Process for extracting pure substances from mixtures of high-boiling air and/or temperature-sensitive substances requiring high separative power by rectification in a fine vacuum and columns suitable for this process |
| 01/29/1997 | EP0755707A1 Partitioned distillation column |
| 01/29/1997 | EP0755706A1 Process and apparatus for reactive distillation with particular distribution of the liquid and vapour phases |
| 01/29/1997 | EP0674542B1 A process vessel |
| 01/29/1997 | EP0664722B1 Catalytic reaction and mass transfer structure and process employing same |
| 01/28/1997 | US5597655 Distributor trough junctions |
| 01/28/1997 | US5597454 Process for producing urea |
| 01/28/1997 | US5597453 Apparatus and method for vapor compression distillation device |
| 01/28/1997 | CA2141886E Reactor for two-phase reactions, in particular for urea synthesis at high pressure and temperature |
| 01/23/1997 | WO1997002079A1 Water condensing device |
| 01/23/1997 | WO1997002078A1 Distillation apparatus |
| 01/22/1997 | EP0754082A1 Method and device for the extraction treatment of a sample |
| 01/21/1997 | US5595634 Process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams |
| 01/15/1997 | EP0664721B1 Method and apparatus for concurrent reaction with distillation |
| 01/15/1997 | EP0646037B1 Recovering a relatively volatile component of a solution from a less volatile component, e.g. as in solvent recovery |
| 01/14/1997 | US5593548 Trays with catalysts for distillation and accumulation |
| 01/14/1997 | CA2016713C Water-in-oil dispersion and process for preparing such dispersion |
| 01/09/1997 | WO1997000714A1 Liquid medium extraction purification method |
| 01/09/1997 | DE19524928A1 Verfahren zur Rektifikation von Gemischen hochsiedender luft- und/oder temperaturempfindlicher Substanzen, die eine hohe Trennleistung erfordern, im Feinvakuum, sowie für dieses Verfahren geeignete Kolonnen A process for the rectification of mixtures of high-boiling air- and / or temperature-sensitive substances which require high separation efficiency, in a fine vacuum and suitable for this process columns |
| 01/08/1997 | EP0752261A1 Tonguet outlet for liquid distributor |
| 01/08/1997 | EP0751808A1 Column for counter-currently contacting gas and liquid |
| 01/08/1997 | CN1139663A Purifying method and equipment for gas flow containing aerolein |
| 01/08/1997 | CN1139584A Self-cooling distillation method |
| 01/08/1997 | CN1139583A Nitrogen circular stripping process and equipment thereof |
| 01/07/1997 | US5591241 Liquid vapor contact apparatus |
| 01/03/1997 | WO1997000109A1 A solvent extraction apparatus |
| 01/03/1997 | WO1997000108A1 Refrigerant separation system |
| 01/02/1997 | EP0751110A1 Process and apparatus for the purification of a gaseous stream containing acrolein |
| 01/02/1997 | EP0640064B1 Process and apparatus for preparing tertiary alkyl ethers |
| 12/31/1996 | US5589135 Height adjustable stand for laboratory equipment |
| 12/31/1996 | US5588596 Falling film evaporator with refrigerant distribution system |
| 12/31/1996 | CA2068406C Catalytic distillation system |
| 12/27/1996 | EP0749567A1 Tissue processing |
| 12/27/1996 | EP0749343A1 Polymer devolatilizer incorporating improved flat plate heat exchanger design |
| 12/25/1996 | CN1033619C A distilling process and plant of catalytic reaction |
| 12/24/1996 | US5587055 Home water purification systems |
| 12/24/1996 | US5587054 Vapor compression distillation system |
| 12/19/1996 | WO1996041079A1 Ocean thermal energy conversion (otec) system |
| 12/19/1996 | WO1996040851A1 Process for improving color and color stability of oleic acid |