| 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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| 02/26/1992 | EP0472335A1 Compact radial flow distributor |
| 02/26/1992 | EP0317556B1 Distillation apparatus and method |
| 02/26/1992 | EP0276240B1 Subsequent treatment process of vacuum distillation residue from crude oil refineries |
| 02/25/1992 | US5091119 Tray with elongated aperture for gas passageway |
| 02/25/1992 | US5091060 Can accommodate larger liquid loads; used for separation of hydrocarbons of different boiling points |
| 02/25/1992 | US5091058 Reacting excess of phenol with alpha-methyl styrene in presence of acid catalyst; neutralization |
| 02/25/1992 | CA1296159C Contacting gas and liquid |
| 02/19/1992 | EP0471050A1 High efficiency distributor for gas-liquid contact column and method of preparation and use |
| 02/18/1992 | CA1295966C Process for the separation of hydrocarbons from a mixed feedstock |
| 02/14/1992 | CA2030089A1 Dimple plate horizontal evaporator effects |
| 02/12/1992 | EP0470655A1 Process for preparing tertiary alkyl ethers and apparatus for reactive distillation |
| 02/12/1992 | CN1058582A Process for preparing tertiary alkyl ethers and apparatus for reactive distillation |
| 02/09/1992 | WO1992002295A1 Liquid distributor for gas-liquid contact apparatus |
| 02/09/1992 | CA2091468A1 Liquid distributor for gas-liquid contact apparatus |
| 02/06/1992 | DE4116946A1 Distn. of fruit brandy to reduce cyanide content |
| 02/06/1992 | DE4024588A1 Two stage gas distributor inlet for mass or heat transfer column - with inlet holes with deflectors in first stage and second stage symmetrical on column axis |
| 02/04/1992 | US5086193 Aromatic alkylation process |
| 02/04/1992 | US5085741 Separating propylene from propane by employing propylene carbonate solvent |
| 02/04/1992 | US5085740 Extractive distillation using n-alkyl-2-pyrrolidone and sulfolane compound as solvents |
| 02/04/1992 | CA1295235C Valve bottom in a fluid exchange column |
| 02/02/1992 | CA2047269A1 Process for preparing tertiary alkyl ethers and apparatus for reactive distillation |
| 01/30/1992 | DE4036658A1 Solar up-current installation for sea water desalination - in which solar panels are positioned over sea water and air below is heated carrying evaporating water through flue to condenser |
| 01/29/1992 | CN2094376U Combined plate multi-effect water distillator |
| 01/28/1992 | US5084134 Process for the devolatilization of polymer solutions |
| 01/28/1992 | US5084133 Process for concentrating specimens by evaporation of the solvent with a centrifugal evaporator-concentrator |
| 01/28/1992 | US5084081 Low temperature air fractionation accommodating variable oxygen demand |
| 01/22/1992 | EP0466954A1 Catalytic distillation |
| 01/22/1992 | EP0428711A4 Method and apparatus for clarifying liquids |
| 01/21/1992 | US5082990 Alkylation of aromatics-containing refinery streams |
| 01/21/1992 | US5082525 Method and apparatus for improving the performance of liquid waste evaporators |
| 01/19/1992 | CA2021445A1 Multifunctional batch type distillation |
| 01/16/1992 | DE4120794A1 Energy absorption from waste air - uses heat exchanger and heat pump to supply evaporator |
| 01/16/1992 | DE4110192A1 Constant pressure drop nozzle plate for fluidised bed appts. |
| 01/16/1992 | DE4022335A1 Electrically heated, continuous constant pressure capillary vaporiser - liq. is fed at constant high pressure through high temp. chamber to make it supercritical and flash to vapour when passing through valve |
| 01/14/1992 | US5080871 Apparatus for alkylation of organic aromatic compounds |
| 01/14/1992 | US5080837 Process and apparatus to establish contact between liquid and vapour or gas, particularly in distillation and/or absorption columns |
| 01/14/1992 | US5080761 Method of optimizing the operation of a distillation column provided with a side heating device |
| 01/09/1992 | WO1992000129A1 Column body to take plate-type heat exchangers |
| 01/08/1992 | EP0464045A1 Discontinuous process for conducting a heterogeneously catalysed reaction and installation for heterogeneously catalysed manufacture of products. |
| 01/08/1992 | EP0438529A4 Removing hazardous contaminants from water |
| 01/08/1992 | CN2092361U Guide sieve tray of cold rectification column |
| 01/07/1992 | US5078976 Disinfectant vaporizing apparatus |
| 01/07/1992 | US5078880 Vortex desalination system |
| 01/02/1992 | DE4119590A1 Appts. for evaporative treatment of water contaminated with oil - comprising vapour compressor to heat from compressed vapour is reused in evaporator and in water pre-heaters |
| 01/02/1992 | DE4019991A1 Kolonnenkoerper zur aufnahme von plattenwaermetauschern Kolonnenkoerper for acceptance of plattenwaermetauschern |
| 01/01/1992 | CN1057453A Process for concentrating urea solutions under vacuum |
| 01/01/1992 | CN1015233B Device for evenly distributing liquid in exchange section of substance-and heat-exchange column |
| 12/31/1991 | US5076823 Process for cryogenic air separation |
| 12/31/1991 | US5076349 Apparatus for gas/liquid separation |
| 12/28/1991 | WO1992000128A1 Waste materials concentrator |
| 12/28/1991 | CA2086118A1 Waste materials concentrator |
| 12/27/1991 | EP0276297B1 A process for recovering and purifying unreacted acrylonitrile |
| 12/26/1991 | WO1991019552A1 Water heating and distilling apparatus |
| 12/25/1991 | CN1057210A Gas/liquid distributor between two exchange portions of counter-current column |
| 12/25/1991 | CN1057209A High efficiency distributor for gas-liquid contact column and method of prepn. and use |
| 12/24/1991 | US5075123 Process and apparatus for removing alcohol from beverages |
| 12/24/1991 | US5075083 Alkylation reactor, distillation column, condenser, and separator |
| 12/18/1991 | EP0462049A1 Apparatus for collecting and mixing liquids in a counter-current column |
| 12/18/1991 | EP0462048A1 Gas/liquid distribution between two sections in a counter-current column |
| 12/18/1991 | EP0461855A2 Catalytic distillation reactor |
| 12/18/1991 | EP0461274A1 Process for continuously producing aromatic carbonate |
| 12/18/1991 | EP0434826A4 Method and apparatus for introducing a liquid feed into a vapor/liquid separation tower |
| 12/17/1991 | US5073236 Vertical plates with enclosing, envelope retaining solid catalyst inside; reuse concurrent |
| 12/17/1991 | CA1293097C Method of concentrating sludges |
| 12/14/1991 | CA2043854A1 Arrangement for collecting and mixing liquid in a counter-current column |
| 12/14/1991 | CA2043834A1 Gas/liquid distributor for a counter-current column |
| 12/12/1991 | DE4018137A1 Compact tray assembly for distn. column - incorporating gas distributor, droplet coalescer, and drain channel |
| 12/12/1991 | CA2043819A1 Catalytic distillation reactor |
| 12/11/1991 | CN1056823A Spiral tower |
| 12/10/1991 | CA1292964C Process and apparatus for recovering oil components from a flow of dry-distilled gas of solid polymer waste |
| 12/04/1991 | EP0459310A1 Process and device for the treatment of fruit spirits |
| 12/04/1991 | EP0458789A1 Process and device for separating solvents and oils. |
| 12/04/1991 | EP0291503B1 A process for the production of ethanol through molasses fermentation |
| 12/04/1991 | CN1056639A Semicondutor refrigeration seperating and recovering device |
| 12/03/1991 | US5069830 Non-welded support plate or bed limiter for packed towers and method of making same |
| 11/27/1991 | EP0458472A1 Catalytic distillation structure |
| 11/27/1991 | CN1014865B Process for extraction of organic liquid containing nitrogenous organic base from aqueous slurry of particles of inorganic material |
| 11/26/1991 | CA1292424C Structured "wv" packing elements |
| 11/22/1991 | CA2040585A1 Catalytic distillation structure |
| 11/21/1991 | EP0457421A1 Lower alkylene oxide purification |
| 11/21/1991 | EP0457303A1 Apparatus for concentrating waste liquor from photographic process |
| 11/21/1991 | EP0456647A1 Method and apparatus for the purification of a two-component liquid mixture by distillation |
| 11/21/1991 | EP0376971B1 Process and installation for recovering reusable gas from waste through pyrolysis |
| 11/20/1991 | CN2088892U Vertical multistage flash distillation device |
| 11/19/1991 | WO1991017804A1 Enhanced vacuum cyclone |
| 11/19/1991 | US5066365 Process for the isolation of vinyl acetate by distillation |
| 11/19/1991 | CA2083289A1 Enhanced vacuum cyclone |
| 11/19/1991 | CA1292179C De-entrainment chimney for separating liquid droplets from vapour stream |
| 11/13/1991 | EP0456566A1 Plate for distillation column, distillation column containing such a plate and use of such a column |
| 11/13/1991 | EP0253844B1 Reboiler |
| 11/12/1991 | US5064506 Packed column with built-in temperature measuring points |
| 11/12/1991 | US5064505 Low-pressure desalinization device |
| 11/06/1991 | CN1014586B Fast water vapour distiller |
| 10/31/1991 | WO1991016288A1 Process for separating impurities from aqueous solution of crude ethanol |
| 10/30/1991 | EP0454227A1 Process for concentrating urea solutions under vacuum |
| 10/30/1991 | EP0453588A1 Process for removing solvents and other contaminants from an inlet solvent laden air path |
| 10/30/1991 | CN2087527U Static electric heater for vacuum molecular distillation |
| 10/30/1991 | CN2087526U Baffle-free roller coating type film short-range distillator |
| 10/30/1991 | CN1055676A Vapour diffusers for process columns |
| 10/29/1991 | US5061407 Liquid distributor for gas-liquid contact apparatus |