| 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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| 07/28/1999 | EP0686137B1 Process for the purification of pentalfuoroethane in a binary azeotrope of pentafluoroethane and chloropentafluoroethane |
| 07/28/1999 | CN1224369A Device for distributing liquid in substance exchange columns |
| 07/27/1999 | US5929292 Distillation column type production method |
| 07/27/1999 | US5928477 Steam heating and frothing water-diluted aircraft deicing solution, cyclone separation to recover liquid phase heated deicing compound for reuse and steam vapor phase, compressing steam for reuse |
| 07/21/1999 | EP0930088A2 Distributor for packed liquid-vapor contact column |
| 07/21/1999 | CN1223234A Negative temp. different sea water desalination equipment |
| 07/20/1999 | US5925685 Catalytic distillation reactions |
| 07/20/1999 | US5925224 Method of and apparatus for purifying a solvent |
| 07/20/1999 | US5925223 Process for improving thermal efficiency while producing power and desalinating water |
| 07/15/1999 | WO1999035454A1 Desalinization method and apparatus |
| 07/15/1999 | WO1999035152A2 Lower alkyl alcohol recovery from a stripping mixture |
| 07/15/1999 | WO1999034911A1 Structured packing and element therefor |
| 07/15/1999 | WO1999034893A1 Method and apparatus for separating components of a fermentation process byproduct containing oil bound with fibers |
| 07/15/1999 | CA2316164A1 Structured packing and element therefor |
| 07/13/1999 | US5922924 Obtaining from a charge a first fraction containing m-xylene and second fraction containing p-xylene, isomerizing the first fraction to product isomerate containing p-xylene, recycling the isomerate, crystallizing p-xylene |
| 07/13/1999 | US5922908 Methods for preparing dibasic acids |
| 07/13/1999 | US5922174 Distilling apparatus |
| 07/08/1999 | WO1999033819A1 ε-CAPROLACTONE, PROCESS FOR PRODUCING THE SAME, POLYCAPROLACTONE OBTAINED THEREFROM, AND PROCESS FOR PRODUCING THE POLYCAPROLACTONE |
| 07/08/1999 | WO1999033751A1 Desalination method and desalination apparatus |
| 07/08/1999 | WO1999033538A1 Evaporator and evaporation process |
| 07/08/1999 | WO1999033537A1 The method of fluid evaporation |
| 07/07/1999 | CN1222134A Two-step process for alkylation of benzene to form linear alkylbenzenes |
| 07/07/1999 | CN1043960C Reflux ratio controller |
| 07/06/1999 | US5919405 Fluid distribution system for an absorption tower |
| 07/06/1999 | US5919339 Rotary evaporator |
| 07/06/1999 | US5918637 Plates perforated with venturi-like orifices |
| 07/06/1999 | CA2161918C Chemical reactor feed control |
| 06/30/1999 | EP0926457A2 Method of operating the lower pressure column of a double distillation column |
| 06/30/1999 | CN1043849C Heat tranfer apparatus with forced rotary stirring rod |
| 06/30/1999 | CN1043848C Evaporation means and method |
| 06/24/1999 | WO1999030792A1 Method for generating vacuum in mass-exchange columns |
| 06/24/1999 | DE19806208C1 None given |
| 06/23/1999 | EP0924181A1 Process for removing polar compounds from an etherification unit |
| 06/23/1999 | CN2325093Y Equipment for separating liquid |
| 06/23/1999 | CN1220259A Method of purifying quinaldine |
| 06/23/1999 | CN1220179A Vapour-liquid parallel flow jet contact non-backmixing double-layer tower tray device |
| 06/22/1999 | US5914012 Dividing wall column for continuous fractionation of multicomponent mixtures by distillation |
| 06/22/1999 | US5914011 Catalytic reaction and mass transfer structure |
| 06/17/1999 | WO1999029387A1 Method and apparatus for removing water from aqueous fluid mixture |
| 06/16/1999 | EP0921850A1 Packing for separation columns and process of use |
| 06/16/1999 | CN1219605A Apparatus for vaporizing and supplying material |
| 06/15/1999 | US5911922 Mass transfer device |
| 06/15/1999 | CA2041646C Process for continuously producing an aromatic carbonate |
| 06/10/1999 | WO1999028434A2 Multifunctional and compact device for the production of distillates in general with emphasis on aguardiente production |
| 06/09/1999 | EP0830508A4 Ocean thermal energy conversion (otec) system |
| 06/09/1999 | EP0651729B1 A water distillation system |
| 06/09/1999 | CN2322671Y Inclined spray float valve for tower |
| 06/03/1999 | WO1999026913A1 Method for producing fatty acid methyl ester and equipment for realising the same |
| 06/03/1999 | WO1999026884A1 Solar energy distillation apparatus |
| 06/03/1999 | WO1999026718A1 High-capacity vapor/liquid contacting device |
| 06/03/1999 | WO1999015462A8 Method and device for sewage clarification |
| 06/03/1999 | CA2311400A1 Method for producing fatty acid methyl ester and equipment for realising the same |
| 06/03/1999 | CA2311253A1 High-capacity vapor/liquid contacting device |
| 06/02/1999 | EP0918736A1 Two-step process for alkylation of benzene to form linear alkylbenzenes |
| 06/01/1999 | US5908548 Aromatic solvents having aliphatic properties and methods of preparation thereof |
| 06/01/1999 | US5907887 Floor washing apparatus |
| 06/01/1999 | CA2046954C Compact radial flow distributor |
| 05/27/1999 | WO1999026118A1 Automatic control system for unit operation |
| 05/27/1999 | WO1999025448A1 Vapor/liquid contacting cyclone with secondary vanes |
| 05/27/1999 | WO1999025447A1 Liquid dispenser for distilling column, and corresponding distilling column |
| 05/27/1999 | WO1999025446A1 Liquid dispenser for oscillating distilling column, and corresponding distilling column |
| 05/27/1999 | WO1999025445A1 Liquid dispenser for non-vertical distilling column, and distilling column equipped therewith |
| 05/27/1999 | CA2310126A1 Liquid dispenser for oscillating distilling column, and corresponding distilling column |
| 05/27/1999 | CA2310124A1 Liquid dispenser for non-vertical distilling column, and distilling column equipped therewith |
| 05/27/1999 | CA2310096A1 Liquid dispenser for distilling column, and corresponding distilling column |
| 05/26/1999 | EP0918049A1 Process for the purification of an alkanolamine |
| 05/26/1999 | CN1217230A Distillation tower using wall-flow-reducing structural filler |
| 05/25/1999 | US5906773 Liquid distributor |
| 05/25/1999 | US5906714 Method for treating emulsified liquids |
| 05/20/1999 | WO1999024382A1 Method for separating an organic compound from an aqueous medium |
| 05/20/1999 | WO1999024358A1 Process for purifying perfluorinated products |
| 05/20/1999 | WO1999024135A1 Vapor-liquid contact tray assembly |
| 05/20/1999 | CA2306800A1 Process for purifying perfluorinated products |
| 05/19/1999 | EP0916400A1 Distillation column employing structured packing which reduces wall flow |
| 05/18/1999 | US5904807 Liquid distributor for an evaporator |
| 05/14/1999 | WO1999022856A1 Intertwined structures as catalytic fillings for reactive separation methods |
| 05/14/1999 | WO1999022837A1 Batch-continuous countercurrent mass exchange process |
| 05/14/1999 | CA2310601A1 Batch-continuous countercurrent mass exchange process |
| 05/12/1999 | EP0915149A1 Process for concentrating viscous products by admixing hot liquid |
| 05/12/1999 | EP0914204A1 Chemical process tower deentrainment assembly |
| 05/11/1999 | US5902894 Process for making dialkyl carbonates |
| 05/11/1999 | US5902460 Use of vertical partition provides increased separation purity |
| 05/06/1999 | WO1999022187A1 Phase-changeable and non-heat refrigeration process and apparatus thereof |
| 05/06/1999 | WO1999021945A1 Apparatus and method for reclaiming useful oil products from waste oil including hydrogen injection |
| 05/06/1999 | WO1999021821A1 Process for the purification of an alkanolamine |
| 05/06/1999 | WO1999021664A1 Device for cleaning components with plastic adhering thereto |
| 05/06/1999 | WO1999021633A1 Liquid distributor |
| 05/06/1999 | EP0913180A2 Distillation process to separate mixtures containing three or more components |
| 05/06/1999 | EP0913179A1 Liquid distribution for a mass transfer column |
| 05/06/1999 | EP0912219A1 A separator device for removing pollutants from waste water |
| 05/06/1999 | EP0881943A4 Catalytic distillation structure |
| 05/06/1999 | DE19748886A1 Cooling continuously-flowing liquid dispersion under vacuum |
| 05/06/1999 | DE19748468A1 Beschichtete Gestricke als katalytische Füllungen für Destillationskolonnen Coated knitted fabrics as catalytic fillings for distillation columns |
| 05/06/1999 | CA2308790A1 Apparatus and method for reclaiming useful oil products from waste oil including hydrogen injection |
| 05/06/1999 | CA2308704A1 Process for the purification of an alkanolamine |
| 05/05/1999 | CN2316993Y Fast mounting float valve for tower |
| 05/05/1999 | CN2316992Y High property float valve with notch on valve face |
| 05/05/1999 | CN1215620A Plate tower for mass-transfer process with thermal reaction |
| 05/04/1999 | CA2044981C Process for purifying glycicyl meth(acrylate) |
| 05/04/1999 | CA2042884C Distributor for packed tower |