| 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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| 12/09/1993 | WO1993024206A1 Process for removing an organic compound from water |
| 12/09/1993 | WO1993024198A1 Process and device for treating contaminated high boiling solvents |
| 12/09/1993 | DE4218451A1 Verfahren zur Aufbereitung verunreinigter höhersiedender Lösemittel sowie Vorrichtung zur Durchführung des Verfahrens Process for the treatment of contaminated higher boiling solvents, as well as apparatus for carrying out the method |
| 12/09/1993 | CA2135898A1 Process for removing an organic compound from water |
| 12/08/1993 | EP0573189A1 Process for the production of acetic acid |
| 12/08/1993 | EP0573176A2 Inter-column heat integration for multi-column distillation system |
| 12/08/1993 | EP0572630A1 Method of regenerating used lubricants |
| 12/08/1993 | CN2148602Y Efficient catalytic rectified packing |
| 12/07/1993 | US5268150 Conveying solvent through membraneto distillation column |
| 12/02/1993 | DE4316215A1 Process medium treatment for water extn. - by heating batch in concn. evaporator to evaporate water for condensing, eliminates toxic matter in vapour |
| 12/02/1993 | DE4315804A1 Aromatiser for mash distn. for retaining aroma - comprises shaft with condenser mounted on still head of distillery with sloping base for returning mash and reflux condenser water chamber |
| 12/02/1993 | DE4303914A1 Appts. to directly convert heat into electrical energy - comprising magneto:hydrodynamic generator based on liq. charge carrier currents |
| 12/02/1993 | DE4217802A1 Drinking water condensation appts. - has vacuum locks in feed and take=off from evacuated zone to prevent vacuum loss |
| 12/01/1993 | EP0572239A1 Separation of hydrocarbon mixtures |
| 12/01/1993 | CN1078918A Temperature simply automatic control method for reaction still reflux column |
| 11/30/1993 | US5266546 Tube of open wire mesh |
| 11/30/1993 | US5266170 Low profile water distiller |
| 11/30/1993 | US5265428 Bubble cap tray for melting solids and method for using same |
| 11/30/1993 | CA1324781C Purification of alkyl glyoxylate in a continuous column by azeotropic distillation |
| 11/25/1993 | WO1993023131A1 Recovering a relatively volatile component of a solution from a less volatile component, e.g. as in solvent recovery |
| 11/25/1993 | WO1993023130A1 Improved fluid distillation apparatus and method |
| 11/25/1993 | CA2135284A1 Recovering a relatively volatile component of a solution from a less volatile component, e.g. as in solvent recovery |
| 11/24/1993 | EP0571163A1 Catalytic distillation column reactor and tray |
| 11/24/1993 | EP0570719A1 Process for producing acetaldehyde dimethylacetal |
| 11/24/1993 | EP0424460B1 Heterogeneous isoparaffin/olefin alkylation process |
| 11/24/1993 | CN1078798A Cryogenic air separation using random packing |
| 11/23/1993 | US5264117 Distillation of hydrocarbons |
| 11/23/1993 | US5264083 Distillation column tray |
| 11/23/1993 | CA1324571C Double-deck distributor |
| 11/21/1993 | CA2096478A1 Recovery of carboxylate ester reaction products |
| 11/20/1993 | CA2096064A1 Inter-column heat integration for multi-column distillation system |
| 11/18/1993 | EP0570306A1 Apparatus for extracting, concentrating and separating biochemical products from vegetable or animal biological substances |
| 11/17/1993 | CN2146288Y External-heating composite wire gauze casing short-path distillator |
| 11/17/1993 | CN1022736C Multi-passageway eddy flow packing elements |
| 11/16/1993 | US5262576 Reaction of propylene and benzene to form cumene |
| 11/16/1993 | US5262094 Fractionation tray having packing immediately below tray deck |
| 11/16/1993 | US5262017 Plural stage purification of propylene oxide |
| 11/16/1993 | US5262013 Separation of glycol from water by distillation; used in engine cooling system |
| 11/16/1993 | US5262012 Catalytic distillation system |
| 11/16/1993 | CA1324453C Spray dried emulsion polymer |
| 11/11/1993 | WO1993022650A2 Device for evaporating preferably liquid substances, in particular reagents, or for preparing or analyzing sampled materials |
| 11/10/1993 | EP0568864A1 Distillation column with side stream vapour bleeding |
| 11/09/1993 | US5260865 Computer control system |
| 11/09/1993 | US5259945 Process for recovery of tank bottom wastes |
| 11/09/1993 | US5259931 Stripping tower system for removing volatile components from water containing the same |
| 11/09/1993 | CA1324103C Purification of alkyl glyoxylate |
| 11/06/1993 | CA2095564A1 Method for recycling used or contaminated lubricating oils |
| 11/03/1993 | EP0486527B1 Process and apparatus for concentrating high-viscosity foodstuffs |
| 11/03/1993 | CN2145059Y Ladder-shaped float valve with guide function |
| 11/03/1993 | CN1022606C Single-tower gaseous extracting method with side-draw for recovering sulfur and ammonia from acidic waste water of oil refinery |
| 11/02/1993 | US5258560 Etherification of C5 -plus olefins by catalytic distillation |
| 10/28/1993 | DE4304070A1 Beverage alcohol redn. assembly |
| 10/26/1993 | US5256707 Continuous process for concentrating polymer solutions up to a required specification level of residual solvents |
| 10/26/1993 | US5256258 Removal of low-boiling fractions from high temperature heat transfer systems |
| 10/21/1993 | DE4212456A1 Recycling of used fats contg. water, esp. from fat-water separators - includes mixing and sedimenting fat, further separating at specific temp. and filtering and vacuum-distilling |
| 10/20/1993 | EP0565777A1 Improved stripping system |
| 10/20/1993 | CN2144009Y Grid-type float-controlled valve column tray |
| 10/20/1993 | CN1022463C Short stroke vacuum distillation separating equipment |
| 10/19/1993 | CA1323322C Method for the production of an aromate concentrate suitable for use as blending component for gasifier fuel |
| 10/14/1993 | WO1993020032A1 Two stage production of ether from tertiary alcohol |
| 10/13/1993 | EP0565324A1 Method of recovering organic sulfur compound from liquid oil |
| 10/13/1993 | CN1077187A Method for production of 2,2-di (4-hydroxyl phenyl) propane |
| 10/13/1993 | CN1077136A Device for counter-currently contacting gas and liquid |
| 10/13/1993 | CN1022382C New catalystic distillation equipment |
| 10/12/1993 | US5252201 Fractionating process and fractionator |
| 10/12/1993 | US5252187 Method of recovering solvent from mother liquor containing non-volatile matters by heat pump system |
| 10/12/1993 | US5251857 Suspendable conduit bracket system |
| 10/12/1993 | CA1322986C Distillation apparatus and method |
| 10/06/1993 | EP0563900A1 Cryogenic air separation using random packing |
| 10/06/1993 | EP0563628A1 Process and device for treating water effluents by vacuum distillation with indirect heat recuperation |
| 10/06/1993 | CN1022291C Adsorption-distillation separation method |
| 10/05/1993 | US5250271 Apparatus to concentrate and purify alcohol |
| 10/05/1993 | US5250234 Liquid distributor apparatus and method for high viscosity liquids |
| 10/05/1993 | US5250183 Degassing, evaporation of carbon dioxide, then reverse osmosis for removal of scale forming ions |
| 10/05/1993 | US5250175 Vaporization, removal; water pollution control |
| 10/01/1993 | CA2092933A1 Cryogenic air separation using random packing |
| 09/30/1993 | WO1993019032A1 Process for preparing methyl ethers |
| 09/30/1993 | WO1993019031A1 Process and apparatus for preparing tertiary alkyl ethers |
| 09/29/1993 | EP0562689A1 Device for counter-currently contacting gas and liquid |
| 09/29/1993 | EP0363371B1 Liquid evaporating apparatus |
| 09/28/1993 | US5248837 Method for controlling catalytic distillation etherifications |
| 09/28/1993 | US5248836 Etherification of isobutene with ethanol in the presence of an acid catalyst |
| 09/28/1993 | US5248394 Liquid purifying/distillation device |
| 09/28/1993 | US5248393 Solvent reprocessing system |
| 09/28/1993 | US5248387 Process for producing concentrated aqueous slurries and spray dried particulate products |
| 09/28/1993 | US5248098 Method for removing contaminants from contaminated materials such as contaminated soils and construction debris |
| 09/24/1993 | WO1993018834A1 Liquid purifying/distillation device |
| 09/24/1993 | CA2132619A1 Liquid purifying/distillation device |
| 09/22/1993 | EP0560767A1 Waste materials concentrator |
| 09/22/1993 | CN1076379A A distilling process and plant of catalytic reaction |
| 09/21/1993 | US5246584 Method and apparatus for destroying organic contaminants in aqueous liquids |
| 09/21/1993 | US5246549 Vacuum distillation system utilizing loose polymer lining |
| 09/21/1993 | US5246501 Degreaser/ defluxer with solvents, flash drying with hot air and evaporation |
| 09/16/1993 | WO1993018083A1 Reducing molecular weight distribution of polyether glycols by short-path distillation |
| 09/16/1993 | WO1993018020A1 Solventless dimeric cyclic ester distillation process |
| 09/16/1993 | WO1993017770A1 A solvent recovery and reclamation system |
| 09/16/1993 | CA2131788A1 Solventless dimeric cyclic ester distillation process |
| 09/15/1993 | CN1076135A Autocontrol method for fractional extraction process |
| 09/14/1993 | US5244929 Catalysts |
| 09/14/1993 | US5244604 Packing-enhanced baffled downcomer fractionation tray |