| 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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| 11/04/2002 | EP0977619A4 Compositions and methods for inhibiting fouling of vinyl monomers |
| 10/31/2002 | WO2002085876A1 Three stage propylene oxide process |
| 10/31/2002 | WO2002085504A1 Methods and apparatus for mixing fluids |
| 10/31/2002 | WO2002068082A9 Parallel functioning distillation columns within single column structure |
| 10/31/2002 | US20020159942 Method for quantitative production of gaseous ammonia |
| 10/31/2002 | US20020158350 Liquid distributor in mass transfer column and method of installation and use |
| 10/31/2002 | US20020157937 Mixing a feed stream (hydroxy organic acid, an ammonim salt, ester or amide) and a azeotroping agent, heating the above feed, producing a first vapor stream of ester of hydroxy organic acid and azotropic agent, separating the vapor stream |
| 10/31/2002 | US20020157537 Vapor-liquid contactor, cryogenic air separation unit and method of gas separation |
| 10/30/2002 | EP1252100A1 Water distillation system |
| 10/30/2002 | EP1251919A1 New dimensions in reactive distillation technology |
| 10/30/2002 | CN1377292A Recovery process for volatile compounds from solids in aqueous solution |
| 10/30/2002 | CN1376539A Small portable distilling apparatus and preparing essential oil and hydrosol |
| 10/30/2002 | CN1093426C Distilling apparatus and distilling method |
| 10/29/2002 | US6472568 Using column with only 5 reaction zones; high purity and yield tertiary alkyl ethers such as methyl or ethyl tertbutyl ether from excess of alcohol and mixed iso-olefin hydrocarbon feed |
| 10/29/2002 | US6471874 Effluent treating method, an effluent treating apparatus, and a cleaning apparatus using the same |
| 10/29/2002 | US6471865 Solvent exchange column and a method of use therefor |
| 10/29/2002 | US6471861 Sorption vessel with improved grid piping |
| 10/24/2002 | WO2002083960A1 Method for separating zirconium and hafnium tetrachloride with the aid of a melted solvent |
| 10/24/2002 | WO2002083260A2 Liquid distributor in mass transfer column and method of installation and use |
| 10/24/2002 | US20020156312 Method for the continuous production of aromatic carbonates |
| 10/24/2002 | US20020155522 Beta-elemene, method to prepare the same and uses thereof |
| 10/24/2002 | US20020155047 For desalination of salt water and purification of polluted water |
| 10/24/2002 | US20020153310 Contacting quench water stream with an extracting solvent in a liquid-liquid extractor to produce a quench water raffinate and a spent solvent; withdrawing quench water raffinate, free of polymer precursors; steam stripping raffinate |
| 10/24/2002 | DE10143565A1 Production and/or processing of polymerizable compounds using a fluid ring vacuum pump having a sealing liquid comprising material from the production and/or processing of the polymerizable compound. |
| 10/24/2002 | DE10116769A1 Verfahren zur Entfernung von Verunreinigungen aus Tensidlösungen A process for removing impurities from surfactant solutions |
| 10/24/2002 | CA2412622A1 Method for separating hafnium and zirconium tetrachlorides |
| 10/23/2002 | EP1251101A2 Nitrogen trifluoride (NF3) |
| 10/23/2002 | EP1115464A4 Liquid purifying distillation process |
| 10/23/2002 | CN1375488A Method for distillating (methyl) acrylic acid solution |
| 10/22/2002 | US6468389 Undulating membrane surface for evaporative processes |
| 10/17/2002 | WO2002081417A1 Process for improved yields of higher molecular weight olefins from lower molecular weight olefins |
| 10/17/2002 | WO2002081381A1 Method for removing impurities from surfactant solutions |
| 10/17/2002 | WO2002081379A1 Process for treating waste water containing a nitrous organic components |
| 10/17/2002 | US20020148719 Water purification system |
| 10/17/2002 | US20020148718 Rotary evaporator with a pendulum system with an offset fulcrum |
| 10/17/2002 | US20020148601 Apparatus for accelerating condensation with the aid of structured surfaces |
| 10/17/2002 | DE10118182A1 Working up liquid products from polyisobutene production by cationic polymerisation involves flash evaporation to give a liquid containing polyisobutene and a gas phase containing isobutene and inert diluent |
| 10/16/2002 | EP1249485A1 Petroleum processing method and device therefor |
| 10/16/2002 | EP1248773A1 Working up a mixture comprising alkene and oxygen |
| 10/16/2002 | EP0988264A4 Process for the alkylation of benzene |
| 10/16/2002 | CN1375103A Process for recycling ionic liquids |
| 10/16/2002 | CN1374938A Process for the production and purification of N-butyl Acrylate |
| 10/16/2002 | CN1374145A Separation of azeotropic mixture |
| 10/15/2002 | US6464839 Anticancer; high purity beta-elemene extracted from plants |
| 10/10/2002 | US20020146363 Absorption, stripping, and dissociation; efficiency |
| 10/10/2002 | US20020144887 Process for the production of anhydrous hydrazine and device for its implementation |
| 10/10/2002 | US20020144600 Conditions for fluid separations in microchannels, capillary-driven fluid separations, and laminated devices capable of separating fluids |
| 10/10/2002 | DE10114927A1 Preparation of liquid and gaseous distillates, used in cleaning, disinfecting, sterilization and distillation units, employs matrix steam generator |
| 10/09/2002 | EP1247781A2 Improved process for ammonia recovery |
| 10/09/2002 | EP0733050B1 Process for the production of trioxane from formaldehyde |
| 10/09/2002 | CN2514886Y Double layer bar-type float trap tower plate |
| 10/09/2002 | CN2514885Y 'T' type arranged bar shape floating valve tower plate |
| 10/09/2002 | CN1373083A Process for preparing size-controllable nano-powder |
| 10/09/2002 | CN1092180C Continuous distillative separation of liquid mixtures which contain (meth) acrylic acid as main component |
| 10/08/2002 | US6462210 Fractionation process for the unsaponifiable material derived from black-liquor soaps |
| 10/08/2002 | US6461572 Method and apparatus for concentrating a solute in solution with a solvent |
| 10/08/2002 | US6461287 Centrifugal vacuum concentrator and modular structured rotor assembly for use therein |
| 10/08/2002 | US6460834 Gas/liquid contact tray |
| 10/08/2002 | US6460833 Gas-liquid contacting column |
| 10/03/2002 | WO2002076915A2 Purification of difluoromethane |
| 10/03/2002 | WO2002047784A3 A gas/liquid contacting, perforated tray assembly |
| 10/03/2002 | US20020139721 Process for capturing mercury and arsenic in a distilled hydrocarbon cut |
| 10/02/2002 | WO2001077188A1 Method and device for removing volatile components from polymer materials |
| 10/02/2002 | EP1245687A2 Method and apparatus for mercury recovery from waste fluorescent lamps |
| 10/02/2002 | EP1244513A1 Distribution of gas and liquid in a contact device |
| 10/02/2002 | EP1244505A1 Liquid distribution in a contact device |
| 10/02/2002 | EP0859940B1 Rotatable heat transfer apparatus |
| 10/02/2002 | DE10114434A1 Apparatus for vaporizing material comprises rotating vessel for receiving medium comprising substance to be vaporized, drive unit for rotating vessel about rotary axis, and control unit interacting with drive unit |
| 10/02/2002 | CN1091646C Structured packing with improved capacity for rectification systems |
| 10/02/2002 | CN1091632C Improved liquid distributor for padding tower |
| 10/02/2002 | CA2404774A1 Method and device for removing volatile components from polymer materials |
| 10/01/2002 | US6459009 Recovering heat and removing impurities from a reactor effluent stream withdrawn from a fluidized exothermic reaction zone for conversion of oxygenates into light olefins from an oxygenate feedstream. the process comprises a two-stage quench |
| 10/01/2002 | US6458992 Process and apparatus for the production of butylacetate and isobutylacetate |
| 10/01/2002 | US6458249 Process for purifying perfluorinated products |
| 09/26/2002 | WO2002074897A1 Device and method for cold thickening of must |
| 09/26/2002 | WO2002074718A2 Ionic liquids as selective additives for the separation of close-boiling or azeotropic mixtures |
| 09/26/2002 | WO2002074695A1 Plant and process for the gas treatment and thickening of wastewater by evaporation enhancing |
| 09/26/2002 | WO2002074404A1 Gas-liquid separator |
| 09/26/2002 | WO2002074403A1 Process for obtaining an organic acid from an organic acid ammonium salt, an organic acid amide, or an alkylamine organic acid complex |
| 09/26/2002 | WO2002074402A1 Azeotropic distillation process for producing organic acids or organic acid amides |
| 09/26/2002 | US20020134660 Method for distilling (meth) acrylic acid solution |
| 09/26/2002 | CA2440987A1 Process for obtaining an organic acid from an organic acid ammonium salt, an organic acid amide, or an alkylamine organic acid complex |
| 09/26/2002 | CA2439883A1 Azeotropic distillation process for producing organic acids or organic acid amides |
| 09/25/2002 | EP1242348A1 Production of phenol using reactive distillation |
| 09/25/2002 | EP1242156A1 Strand evaporator |
| 09/25/2002 | CN1370791A Continuous production process of organosilicon emulsion with residual volatile siloxane oligomer |
| 09/24/2002 | US6454907 Removing liquid in a single effect unit maintained under vacuum to effect low temperature flashin; precipitated calcium carbonate slurry from an intermediate solids level to a higher solids level |
| 09/24/2002 | US6454131 Beverage dispensing apparatus |
| 09/24/2002 | CA2258406C Distributor for packed liquid-vapor contact column |
| 09/19/2002 | WO2002072743A1 A simple portable mini distillation apparatus for the production of essential oils and hydrosols |
| 09/19/2002 | WO2002072223A1 Solvent regenerator |
| 09/19/2002 | WO2002010110A3 Method for producing tertiary c4-c8-alkyl esters of (meth)acryl acid and a falling film evaporator involved therein |
| 09/19/2002 | US20020133041 Process for preparing unsaturated carboxylic esters |
| 09/19/2002 | US20020132936 Continuous slurry polymerization volatile removal |
| 09/19/2002 | US20020130077 Separation of azeotropic mixtures |
| 09/19/2002 | US20020129618 Process and installation for the production of ultra-pure oxygen by distillation of air |
| 09/18/2002 | EP1240929A1 Solvent regeneration by distillation |
| 09/18/2002 | EP1240106A1 A method for cleaning objects by means of a heated liquid and a plant for the accomplishment of said method |
| 09/18/2002 | EP1239934A1 Device and method for separation of liquid hazardous waste |
| 09/18/2002 | EP1028791B1 Batch-continuous countercurrent mass exchange process |