| 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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| 09/12/2001 | CN1070858C Process for production of trioxane from formaldehyde |
| 09/12/2001 | CN1070834C Process for preparing alkyl ethers and mixtures thereof |
| 09/12/2001 | CN1070719C Liquid medium extraction purification method |
| 09/11/2001 | US6288287 Feeding mixture of a glycerol, diol and water to two or more serially connected flash towers, distillation tower, final flash tower; improved color and odor |
| 09/11/2001 | US6288270 Methods for controlling the reaction rate of a hydrocarbon to an acid by making phase-related adjustments |
| 09/11/2001 | US6287367 Separating vaoprs and liquids employing series of perforated trays arranged in sequence with tray above another, through which vapor comprising entrained liquid travels, vapor is separated from liquid, vapor moving upward and liquid falling |
| 09/11/2001 | US6286335 Processes for multicomponent separation |
| 09/11/2001 | CA2177161C Vaporizing and concentration drying apparatus and method |
| 09/07/2001 | WO2001064628A1 Process for the preparation of organic polyisocyanates |
| 09/07/2001 | WO2001064308A1 Method and installation for extracting a monomer from an aqueous slurry containing a polymer |
| 09/07/2001 | WO2001064307A1 The stripping column and method for stripping smoke entrapped by regenerative catalyst |
| 09/07/2001 | CA2397683A1 Process for the preparation of organic polyisocyanates |
| 09/05/2001 | EP1129753A1 Method and apparatus for the improved purification of vinyl aromatic compounds |
| 09/05/2001 | EP1093389A4 Process for recovery of olefinically unsaturated nitriles |
| 09/05/2001 | CN1311706A Method for evaporating polymer solutions of thermoplastic polymers |
| 09/04/2001 | US6284104 Apparatus and process for hydrogenations |
| 09/04/2001 | CA2157563C Cleaning condensates from multi-effect evaporator of cellulose pulp waste liquors |
| 08/30/2001 | DE10008634A1 Trennwandkolonne zur Auftrennung eines Vielstoffgemisches Dividing wall column for separation of a multicomponent mixture |
| 08/29/2001 | EP1127601A2 Rectification column for the separation of a multi-substance mixture |
| 08/29/2001 | EP1126903A1 Refinery atmospheric pipestill with ammonia stripping |
| 08/29/2001 | CN2444669Y Hanging downpipe |
| 08/29/2001 | CN2444668Y 蒸馏炉 Distillation furnace |
| 08/29/2001 | CN1310726A Device and method for removing unreacted monomer from polymer latex |
| 08/29/2001 | CN1310036A Water tension film foaming bed desulfurizer with convective smoke flow and water-flow and moving and fixed nets |
| 08/29/2001 | CN1070083C Trough box type liquid no-limiting distributer |
| 08/28/2001 | US6281300 Controlling rate of effluents discharged to control pressure |
| 08/28/2001 | US6280578 Delivered liquid into nozzle of liquid-gas jet apparatus as motive liquid; maintaining pressure; condensing components of vapor phase in motive liquid and forming liquid-vaopr mixture; separating liquid-vapor mixture into compressed gas and liquid |
| 08/28/2001 | US6280577 Distiller |
| 08/23/2001 | WO2001060490A1 Vertical extending liquid/liquid contacting column |
| 08/23/2001 | WO2001060489A2 Gas-liquid contacting column |
| 08/23/2001 | WO2001060488A1 Gas-liquid contact tray having multiple downcomers |
| 08/23/2001 | WO2001060487A1 Gas-liquid tray |
| 08/23/2001 | WO2001060486A1 Gas-liquid contact tray |
| 08/23/2001 | WO2001060485A1 Gas-liquid contacting tray |
| 08/23/2001 | WO2001060484A1 Gas-liquid tray |
| 08/23/2001 | WO2001060483A1 Gas/liquid contact tray |
| 08/23/2001 | WO2001060482A1 Gas-liquid contacting tray |
| 08/23/2001 | WO2001060481A2 Column for counter-currently contacting gas and liquid |
| 08/23/2001 | WO2001060480A1 Gas-liquid contacting tray |
| 08/23/2001 | WO2001060479A1 Gas-liquid contact tray |
| 08/23/2001 | WO2001060478A1 Fluid inlet device |
| 08/23/2001 | US20010016672 Treating the hydrocarbon in a reactive distillation column under mild conditions to hydrogenate diolefins then separating the diolefin depleted hydrocarbons and lighter material, sending this feed to second reactive column |
| 08/23/2001 | US20010015504 Gas-liquid contacting tray |
| 08/23/2001 | US20010015503 Gas-liquid contacting tray |
| 08/23/2001 | US20010015502 Gas/liquid contact tray |
| 08/23/2001 | US20010015316 Sputtering indium doped zinc oxide coatings on multilayer substrates selected from polycarbonates, polyethercarbonates, polyether sulfones or polyetherimides to form glazings having chemical resistance and photostability |
| 08/23/2001 | US20010015136 Column for counter-currently contacting gas and liquid |
| 08/23/2001 | DE10022293C1 Vacuum distillation apparatus comprises vaporizing section, condenser, membrane pump connected to condenser outlet, second flask, connected to pump outlet, for collecting condensate and by-pass with control valve fitted across pump |
| 08/23/2001 | DE10005750A1 Column used for separating mixture, e.g. in production of ethers by dehydrating alcohols, has additional heating or cooling elements between first heating element and first cooling element for vaporizing and condensing |
| 08/23/2001 | CA2399687A1 Gas-liquid tray |
| 08/23/2001 | CA2399680A1 Gas-liquid contacting tray |
| 08/22/2001 | EP1125619A1 Vapour-through passage system for a rotary evaporator and rotary evaporator |
| 08/22/2001 | EP1124632A2 Method and apparatus for making structured packing element |
| 08/22/2001 | EP1007175A4 Improved wastewater treatment apparatus and method |
| 08/22/2001 | EP0958019B1 Dispersion device for a dispenser for sprinkling liquid onto substance and/or heat exchange systems |
| 08/22/2001 | EP0956121B1 Method and device for bringing a gas and a liquid into contact with one another |
| 08/22/2001 | CN1309578A Cascade reboiling of ethylbenzene/styrene columns |
| 08/21/2001 | USRE37337 Process for making dialkyl carbonates |
| 08/21/2001 | US6278029 Process for eliminating polar compounds on an etherification unit |
| 08/21/2001 | US6277340 A low pressure drop, highly efficient structured packing comprises sheet material formed into vertical preferably square channels containing vortex generators formed from the sheet material. |
| 08/21/2001 | US6277273 Floating decanter for supernatant liquid |
| 08/21/2001 | US6277247 Operation method of a plant for distilling liquid products and plant for realizing the same |
| 08/21/2001 | US6277246 Purification of electronic specialty gases by vapor phase transfilling |
| 08/21/2001 | US6276168 Feeding a mixture of nitrogen trifluoride (nf3) and other components with greater or lesser volatility and a cryogenic fluid into a distillation column; removing more volatile components; removing nf3 from less volatile fluid |
| 08/21/2001 | US6276045 Method and apparatus for making structured packing element |
| 08/21/2001 | CA2194076C Process and device for selective hydrogenation by catalytic distillation including a reaction zone with an ascending cocurrent flow of liquid and gas |
| 08/16/2001 | WO2001059534A1 Heat and material balance method of process control for petrochemical plants and oil refineries |
| 08/16/2001 | WO2001058984A1 Method for the production of highly pure polycarbonate and ultrapure polycarbonate |
| 08/16/2001 | WO2001058814A1 Improvements in the use of septic tanks |
| 08/16/2001 | WO2001058812A2 Device and method for distilling water |
| 08/16/2001 | WO2001058582A1 Method and device for resonance excitation of fluids and method and device for fractionating hydrocarbon liquids |
| 08/16/2001 | WO2001058559A1 Column for separating mixtures consisting of at least three components |
| 08/16/2001 | US20010014763 Feeding mixture of a glycerol, diol and water to two or more serially connected flash towers, distillation tower, final flash tower; improved color and odor |
| 08/16/2001 | US20010013667 Gas-liquid contacting column |
| 08/16/2001 | EP1123262A1 Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenites |
| 08/16/2001 | EP1123261A1 Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenites |
| 08/16/2001 | EP0828543B1 Horizontal tray and column for contacting gas and liquid |
| 08/14/2001 | US6274744 Preparation of alkali metal salts of L-ascorbic acid |
| 08/14/2001 | US6273263 Sediment and soil remediation by column flotation |
| 08/14/2001 | CA2027769C Process for the isolation of vinyl acetate |
| 08/09/2001 | WO2001056934A1 Water distillation system |
| 08/09/2001 | US20010011633 For electronics; steam stripping |
| 08/09/2001 | US20010011632 Mixing with polar liquid |
| 08/09/2001 | US20010011631 Method and apparatus for economical solid-liquid separation in water-based solutions |
| 08/09/2001 | DE10005151A1 Verfahren zur Herstellung von hochreinem Polycarbonat und Polycarbonat höchster Reinheit A process for the production of high purity polycarbonate and polycarbonate highest purity |
| 08/09/2001 | DE10004818A1 Verfahren zum Recycling hydroxylaminhaltiger Stripperlösungen Method for recycling hydroxylamine-stripper solutions |
| 08/08/2001 | EP1122215A2 Process for recycling stripping solutions containing hydroxylamins |
| 08/08/2001 | EP1122213A1 Distillative purification of ammonia |
| 08/08/2001 | EP1121399A1 Refinery atmospheric pipestill with methanol stripping |
| 08/08/2001 | EP1121186A1 Method and device for sedimentation and washing |
| 08/08/2001 | EP1109607A4 Cascade reboiling of ethylbenzene/styrene columns |
| 08/08/2001 | CN2441535Y High performance inlet and outlet weir |
| 08/08/2001 | CN1307497A Method for isolating polymers from solutions |
| 08/07/2001 | US6271433 Cat cracker gas plant process for increased olefins recovery |
| 08/07/2001 | US6271189 Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides |
| 08/07/2001 | US6270062 Fluids contacting, tray opening, fluid dispersing assembly |
| 08/07/2001 | CA2132318C Process for preparing methyl ethers |
| 08/02/2001 | WO2001055287A1 Solid alkylbenzene sulfonates and cleaning compositions having enhanced water hardness tolerance |
| 08/02/2001 | WO2001054785A2 Column with multiple shafts |
| 08/02/2001 | US20010010286 Purification of ammonia by distillation |