| 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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| 02/06/2002 | EP1177026A2 Horizontal distillation apparatus and method |
| 02/06/2002 | CN2475448Y Stereoscopic mass transfer tower plate |
| 02/06/2002 | CN2475447Y Guide spray column plate |
| 02/06/2002 | CN1334132A Complexing-rectification process and preparation of high-purity methylnaphthylamine |
| 01/31/2002 | WO2002008166A1 Separation of glycol dialkyl ethers from monoalkyl ether |
| 01/31/2002 | WO2002007862A1 Method for neutralising a stream of fluid, and washing liquid for use in one such method |
| 01/31/2002 | WO2002007848A1 Process and apparatus for the isolation of pure, or substantially pure, organometallic compounds |
| 01/31/2002 | WO2002007847A1 Evaporator with heat surface formed by an open, descending channel in the shape of a concentric spiral |
| 01/31/2002 | US20020013486 Method for producing fatty acid methyl ester and equipment for realising the same |
| 01/31/2002 | US20020011077 Column for the cryogenic separation of gaseous mixtures and method for the cryogenic separation of a mixture containing hydrogen and CO using this column |
| 01/30/2002 | EP1175930A1 Fractionation column containing stacked fractionation trays |
| 01/30/2002 | CN1078491C Catalystic rectifying reactor |
| 01/30/2002 | CN1078485C Process and dedicated equipment for concentrating solution of high-thermosensitive material |
| 01/29/2002 | US6341765 Method for the infeed of a fluid into an apparatus |
| 01/29/2002 | CA2146070C Improved reactor for the synthesis of urea |
| 01/29/2002 | CA2106584C Process and installation for treating waste liquids, in particular industrial waste water with a high solids content |
| 01/26/2002 | CA2314589A1 Fractionation column containing stacked fractionation trays |
| 01/24/2002 | WO2002006161A2 Recovery of glycol from waste water |
| 01/24/2002 | WO2002005920A1 Saline/sewage water reclamation system |
| 01/24/2002 | US20020010374 Continuous process for the preparation of polytrimethylene ether glycol |
| 01/24/2002 | US20020008064 Solid substance removing device |
| 01/24/2002 | US20020008011 Method for the preparation of propylsilanes functionalized in the 3 position |
| 01/24/2002 | US20020008010 Method for starting up distilling column |
| 01/24/2002 | US20020007803 Apparatus and method for controlling boiling conditions of hot phosphoric acid solution with pressure adjustment |
| 01/24/2002 | DE10033958A1 Reactive distillation apparatus for production of ethers from hydrocarbon fractions comprises simultaneous hydrogenation, etherification and distillative separation |
| 01/24/2002 | CA2416503A1 Saline/sewage water reclamation system |
| 01/23/2002 | EP1173500A1 Method and device for separating solids from polymer solutions |
| 01/23/2002 | EP1173264A1 Method and device for evaporating polymer solutions of thermoplastic polymers, and a polycarbonate which can be obtained by evaporation |
| 01/23/2002 | CN1078205C Method for increasing capacity of existing urea process |
| 01/22/2002 | US6340373 Process for recovering and treating of aqueous solutions |
| 01/22/2002 | US6339936 Phase-changeable and non-heat refrigeration process and apparatus thereof |
| 01/17/2002 | WO2002004394A1 Process control for acetic acid manufacture |
| 01/17/2002 | DE19929213C2 Verfahren und Vorrichtung zum Destillieren eines flüssigen Stoffs aus einer Lösung Method and apparatus for distilling a liquid substance from a solution |
| 01/17/2002 | DE10005750C2 Kolonne zur Trennung von Gemischen, welche aus mindestens 3 unterschiedlichen Komponenten bestehen Column for the separation of mixtures, which consist of at least three different components |
| 01/16/2002 | EP1171762A1 Evaporation of liquids and recirculation of purified gas |
| 01/16/2002 | EP1009509B1 Method for reducing the formation of foam during the treatment of a dispersion or a liquid with water vapour |
| 01/16/2002 | CN1331615A Method and appts. for making structured packing element |
| 01/16/2002 | CN1077875C Process and appts. for producing aromatic carboxylic acid |
| 01/15/2002 | US6338828 Mixing and distribution trays with central hubs |
| 01/15/2002 | US6338774 Liquid distributor for non-vertical distillation columns, and distillation column including the same |
| 01/10/2002 | US20020004597 Method for preparing melamine |
| 01/10/2002 | DE10031766A1 Kautschukfreie Copolymerisate mit niedrigen Monomerrestgehalten und Verfahren und Vorrichtung zu ihrer Herstellung Free rubber copolymers with low Monomerrestgehalten and method and apparatus for the production thereof |
| 01/10/2002 | DE10031288A1 Separation of hydrogen chloride from N-alkyl-2-pyrrolidone comprises refluxing with water with overhead removal of high-purity hydrogen chloride |
| 01/09/2002 | EP1169102A1 Apparatus and process for hydrogenations |
| 01/09/2002 | CN2469965Y Inorganic-liquid stripper |
| 01/09/2002 | CN1330042A Ultraspeed vaporier for instantaneous seawater desalination |
| 01/09/2002 | CN1329931A Method for starting distillation tower |
| 01/09/2002 | CN1077560C Recovery of styrene from pyrolysis gasoline by extractive distillation |
| 01/08/2002 | US6337412 Integrated conversion under reactive-distillation conditions; oxidation, hydrogenation, epoxidation; hydrogen peroxide produced via isopropanol-acetone cycle for recycle |
| 01/08/2002 | US6337051 Device for detecting formation of a second liquid phase |
| 01/08/2002 | US6336997 Process for refining heat-deteriorative compound, contained in multi-component liquid mixture, by distillation |
| 01/03/2002 | WO2002000740A1 Copolymers, devoid of rubber, with a low residual monomer content and a method and device for producing the same |
| 01/03/2002 | WO2002000635A1 Method for producing oxirane |
| 01/03/2002 | WO2002000553A2 Controlled cooling of input water by dissociation of hydrate in an artificially pressurized assisted desalination fractionation apparatus |
| 01/03/2002 | WO2002000199A1 Novel process for preparing and harvesting crystalline particles |
| 01/03/2002 | WO2001070367A3 Polymer solution preheater and method for preheating such solutions |
| 01/03/2002 | WO2001044150A3 Continuous process for the preparation of polytrimethylene ether glycol |
| 01/03/2002 | US20020001560 Process for purifying perfluorinated products |
| 01/03/2002 | US20020000409 Phase separator having multiple separation units, upflow reactor apparatus, and methods for phase separation |
| 01/03/2002 | US20020000366 Stream of liquid stripping component (water), heat from reboiler vaporizes stream, removing vapor stream containing impurities overhead, then removing purified organic product |
| 01/02/2002 | EP1167421A2 Production process of polyphenylene ether |
| 01/02/2002 | EP1167351A1 Process for the removal of hydrogen chloride from N-alkyl-2-pyrrolidone by azeotropic distillation |
| 01/02/2002 | EP1165499A1 Improved process for the recovery of acrylonitrile and methacrylonitrile |
| 01/02/2002 | EP1165467A1 Impurities separation by distillation |
| 01/02/2002 | EP1165226A1 Apparatus and method for distributing fluid stream within chemical process reactor, column or vessel |
| 01/02/2002 | EP1062013A4 Vapor/liquid contacting cyclone with secondary vanes |
| 01/02/2002 | CN1329102A Process for preparation of polyphenylether |
| 01/02/2002 | CN1328859A Tower equipment equipped with space tubulature type gas distributor |
| 01/01/2002 | US6335473 Adding decoupling drum between boiling point fixed bed catalytic reactor and catalytic distillation column whereby each reactor may be operated independently at different pressures |
| 12/27/2001 | WO2001098444A2 Process for the extraction and concentration of unsaponifiables from the residues and by-products of animal and vegetal products |
| 12/27/2001 | WO2001097941A1 Azeotropic distillation method |
| 12/27/2001 | WO2001097940A1 Degassing apparatus |
| 12/27/2001 | WO2001054785A3 Column with multiple shafts |
| 12/27/2001 | US20010055548 Optimises distribution of fluid comprising gas phase at least a portion of which is usually formed by hydrogen and liquid phase through bed of granular solid or particles; for hydrogenation reactions |
| 12/27/2001 | CA2408660A1 Process for the extraction and concentration of unsaponifiables from the residues and by-products of animal and vegetal products |
| 12/20/2001 | WO2001096244A1 Distillation method and appliances for fresh water production |
| 12/20/2001 | US20010052454 Distillation apparatus for water purifiers |
| 12/20/2001 | US20010052453 Dividing wall column |
| 12/19/2001 | EP1163201A1 Method for producing acrylic acid |
| 12/19/2001 | EP0746425B1 General parts washer |
| 12/19/2001 | CN2465757Y Large liquid volume bar valve tower tray |
| 12/19/2001 | CN2465756Y 喷射雾化闪蒸塔 Spray a flash column |
| 12/19/2001 | CN1326815A Pipe tube filler and its producing method |
| 12/19/2001 | CN1326802A Distiller and drinking water machine |
| 12/18/2001 | CA2268206C Distillation schemes for multicomponent separations |
| 12/13/2001 | WO2001094284A2 Process for producing ultra-high purity isopropanol |
| 12/13/2001 | WO2001093976A2 Microsystem capillary separations |
| 12/13/2001 | WO2001093973A2 Increased efficiency fractional distillation tray and process |
| 12/13/2001 | US20010051119 Porous meshes |
| 12/13/2001 | US20010050245 Distillation |
| 12/13/2001 | US20010050216 Thin film evaporator, condensers, baffle |
| 12/13/2001 | DE10028021A1 Process for reducing the foam produced during vaporization or gasification of foam-forming liquids comprises feeding the vapor or gas into the space above the liquid at the start and/or during vaporization or gasification |
| 12/12/2001 | EP1161413A1 Method for the continuous production of methoxyamine hydrochloride |
| 12/12/2001 | EP0910445B1 Fluid-distributor for a substance-exchange column |
| 12/12/2001 | CN2464413Y Fully isolation sampling double-circulation type vacuum vapour liquid blance still |
| 12/12/2001 | CN2464412Y Vacuum moisture removing machine |
| 12/12/2001 | CN1326496A Removal of soot in gasification system |
| 12/12/2001 | CN1326374A Cyclonic evaporator |
| 12/12/2001 | CN1325943A Removal of hydrocarbons from waste alkali from alkaline tower |
| 12/12/2001 | CN1325822A Method and apparatus against iron pollution in corrosive environment |