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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03/30/1994 | EP0589230A1 An integrated thermosiphon heat exchanger apparatus |
03/30/1994 | EP0588854A1 Apparatus and method for reclaiming waste oil. |
03/30/1994 | EP0588851A1 Apparatus and method for reclaiming useful oil products from waste oil |
03/30/1994 | CN2159819Y Suspending cone centrifugal molecular distiller |
03/24/1994 | DE4231458A1 Refrigerant cooled condenser for laboratory rotary evaporator - with coolant introduced into spiral cooling element by capillary injection, for high vacuum distillation |
03/23/1994 | EP0588733A1 Gas-liquid contactor of falling film type |
03/23/1994 | EP0588594A2 Control system using an adaptive neural network for target and path optimization for a multivariable, nonlinear process |
03/22/1994 | US5296630 Esterifying acetic acid with methanol in presence of acidic catalyst in distillation column |
03/22/1994 | US5296104 Process for obtaining purified aqueous hydrogen peroxide solutions |
03/22/1994 | US5296103 Stills and separation of liquids |
03/22/1994 | CA2078745A1 Distillation tower and sidestream stripper therefor |
03/17/1994 | DE4302030C1 Putting to use of waste water contg. alcohol@, esp. in breweries - in which alcohol@ content is increased in rectification column and water/alcohol@ mixt. is then used as fuel in thermal power unit. |
03/16/1994 | EP0586780A1 Liquid distributor for a counter-current column |
03/16/1994 | CN1023971C Liquid distributor assembly for packed tower |
03/15/1994 | US5294916 Water treatment controller for an evaporative condenser |
03/15/1994 | US5294305 Heating to dissolve oligomers; ion exchanging, distilling |
03/15/1994 | US5294303 Method for removing dissolved immiscible organics from am aqueous medium at ambient temperatures |
03/15/1994 | CA2106049A1 Control system using an adaptive neural network for target and path optimization for a multivariable, nonlinear process |
03/10/1994 | DE4300890A1 Deodorisation and deacidification of salad oils, fats and ester(s) - by continuous countercurrent falling film vapour distn. |
03/08/1994 | US5292429 Thermal distillation |
03/08/1994 | US5291989 Catalyst system for distillation reactor |
03/08/1994 | CA1327540C Apparatus for making distilled spirits from mash |
03/03/1994 | WO1994006529A1 Liquid gasification apparatus |
03/03/1994 | WO1994004333A1 Process for removing the solvent from a polymer solution |
03/03/1994 | DE4301491C1 Recovery of waste synthetic resin lacquer - by mixing with acyl polyethylene glycol ester emulsifier, adding sulphuric acid and PVA soln., removing solvent with steam, etc. |
03/02/1994 | EP0584926A1 Water assisted devolatilization |
03/02/1994 | CN2157816Y Automatic-controlling protector for electric heat still |
03/01/1994 | US5290527 From epoxidation catalysts, precipitation with ammonia, cooling to brittle solid |
03/01/1994 | US5290403 Liquid evaporating apparatus |
03/01/1994 | US5290402 Automatic cold/hot distilled water fountain |
03/01/1994 | US5289688 Inter-column heat integration for multi-column distillation system |
03/01/1994 | CA1327306C Structured column packing with liquid holdup |
03/01/1994 | CA1327305C Downcomer-tray assembly |
02/23/1994 | EP0583914A2 Catalyst-downcomer-tray for chemical process tower |
02/23/1994 | EP0583683A2 Distillative separation process in a discontinuous method of operation |
02/23/1994 | EP0458789B1 Process and device for separating solvents and oils |
02/16/1994 | EP0583082A1 Fluid assisted devolatization |
02/16/1994 | CN1081935A Packing element |
02/15/1994 | US5286468 Reduction of carbon dioxide to carbon monoxide; cooling, distillation, oxidation |
02/15/1994 | US5286351 Water distilling method |
02/15/1994 | US5286350 Water distiller |
02/15/1994 | US5286349 Apparatus for reclaiming useful oil products from waste oil |
02/15/1994 | CA2101461A1 Carrying out batchwise distillative separations |
02/11/1994 | CA2101882A1 Catalyst-downcomer-tray for chemical process tower |
02/09/1994 | EP0582538A2 Propylene carbonate recovery process |
02/09/1994 | CN1023685C Energy-saving process for separation of light hy drocarbons |
02/08/1994 | US5284992 Process and apparatus for the separation of p-xylene in C8 aromatic hydrocarbons with a simulated moving bed absorption and a crystallization |
02/08/1994 | CA1326812C Gas/liquid contacting apparatus |
02/08/1994 | CA1326811C Process and apparatus for controlling the composition of a mixture leaving an evaporator |
02/03/1994 | WO1994002419A1 A water distillation system |
02/03/1994 | WO1994002209A1 Process and device for cleaning pcb-contaminated electric appliances |
02/01/1994 | US5283373 Etherification with skeletal olefin isomerization |
02/01/1994 | US5282979 Desalination system having rechargeable syphon conduit |
02/01/1994 | US5282929 Reducing molecular weight distribution of polyether glycols by short-path distillation |
02/01/1994 | US5282927 Heat source is steam from water bath; evaporation |
02/01/1994 | US5282365 Cryogenic air separation |
02/01/1994 | CA1326642C Water distilling method and apparatus |
01/26/1994 | EP0508986B1 Process for purifying organically polluted waste water |
01/26/1994 | CN1023593C Spiral tower |
01/25/1994 | US5281723 Feeding propylene carbonate effluent to a separation means, separating water and volatiles, recovering, evaporating to separate propylene carbonate from high boiling materials |
01/25/1994 | US5281479 Carbon fiber reinforced carbon, packing for distillation columns |
01/25/1994 | US5281369 Supporting grate for packings in material exchange columns |
01/25/1994 | US5281309 Portable water purification system |
01/20/1994 | WO1994001710A1 Suspendable conduit bracket system |
01/19/1994 | EP0579275A1 Removing hazardous contaminants from water |
01/19/1994 | EP0579234A1 Packing element |
01/18/1994 | CA1326203C Liquid evaporator |
01/13/1994 | DE4217017C1 Replaceable floor clamp - has a holder on the layer surface to take an inserted leg of a spring clip |
01/12/1994 | EP0577607A1 An active liquid distributor containing packed column. |
01/11/1994 | US5277848 Method and apparatus for downcomer tray operation |
01/11/1994 | US5277847 Method and apparatus for catalyst-downcomer-tray operation |
01/11/1994 | CA1325997C Rectifier columns for vapour generators |
01/11/1994 | CA1325996C Process for the separation of hf via azeotropic distillation |
01/11/1994 | CA1325994C Process for the vigorous dehydration of substances, mixtures, primarily condensation reaction mixtures, by azeotropic distillation |
01/06/1994 | WO1994000235A1 Catalytic distillation structure |
01/06/1994 | CA2138651A1 Catalytic distillation structure |
01/05/1994 | EP0576497A1 Method for refining of waste lubricating oils and an apparatus for employing the method |
01/05/1994 | DE4221518A1 Emulsion waste processing appts. - has a mobile boiler with condenser and water collection tank in a mobile assembly to reduce vol of special waste for disposal |
01/04/1994 | US5275790 Structure and method for catalytically reacting fluid streams in mass transfer apparatus |
01/04/1994 | US5275702 Distillation method of separating organic solvents |
01/04/1994 | US5275666 Evaporator pans evaporation of sap and perforated pipes for injection of pressurized air |
12/29/1993 | EP0576346A1 Method of dehydrating solvant from hydrocarbons dewaxing (operation) process |
12/29/1993 | CN1079956A Recovery of carboxylate ester reaction products |
12/28/1993 | US5273719 A liquid evaporator and a deodorizing device including a heater, catalyst, air blower and diffusion discharge pipe |
12/28/1993 | US5273623 Process for concentrating urea solution under vacuum |
12/28/1993 | US5273572 Process for removing an organic compound from water |
12/23/1993 | WO1993025478A1 Process and apparatus for the production, particularly domestic production, of beverages |
12/23/1993 | WO1993022650A3 Device for evaporating preferably liquid substances, in particular reagents, or for preparing or analyzing sampled materials |
12/22/1993 | CN2149951Y Full-glass distillation device |
12/22/1993 | CN2149950Y Short-range distiller for internal-heated composite metal wire netting casing |
12/21/1993 | US5271808 Apparatus from waste oil for reclaiming a useful oil product |
12/21/1993 | CA1325401C Process and apparatus for reclaiming waste gas treating chemical |
12/15/1993 | EP0574266A1 Method and apparatus for dehydrogenation |
12/15/1993 | EP0521087B1 Process for the treatment of an aqueous solution containing mainly nitric and hydrofluoric acids |
12/15/1993 | EP0464045B1 Discontinuous process for conducting a heterogeneously catalysed reaction and installation for heterogeneously catalysed manufacture of products |
12/15/1993 | CN1023072C Method for separation of oil from water and oil purification equipment |
12/14/1993 | US5269976 Liquid-vapour contact columns |
12/14/1993 | US5269886 Reconcentrating apparatus |
12/14/1993 | US5269465 Liquid distributor tray for heat exchange equipment |
12/09/1993 | WO1993024228A1 Stripper-reactor for volatile cobalt recovery |