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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01/31/2001 | CN1282265A Liquid dispenser for distilling colomn, and corresponding distilling column |
01/31/2001 | CN1281841A Organic thermal carrier heating furnace for alcohol distillation |
01/31/2001 | CN1281744A Fractionating reaction column plate type catalytic distillating equipment |
01/31/2001 | CN1061267C Float valve column plate with improved valve hole structure |
01/30/2001 | US6180820 Preventing buildup of light ends by purging minor proportion of overhead stream and sending to purge recovery fractionation zone with quantity of makeup water so formation of low boiling azeotropes of water with light ends is increased |
01/30/2001 | US6180817 Process for the distillation of crude ester in the DMT/PTA process |
01/30/2001 | CA2223042C Hydrocarbon gas processing |
01/25/2001 | WO2001006051A1 System and method for extracting water in a dry cleaning process involving a silicone-based solvent and methods enhancing the process of cleaning |
01/25/2001 | WO2001005914A2 Separating facility for separating a polyglycol and ethylene mixture |
01/25/2001 | WO2001005734A1 Process for the separation of isobutene from normal butenes |
01/25/2001 | WO2001005709A1 Method of distillation of water |
01/25/2001 | DE19929408C1 Material exchange apparatus for drying natural gas has extension in form of sphere welded to upper end of cylindrical column body with lower part having base with contact and removal elements |
01/25/2001 | CA2378940A1 System and method for extracting water in a dry cleaning process involving a silicone-based solvent and methods enhancing the process of cleaning |
01/24/2001 | EP0783359B1 Liquid distributor for an evaporator |
01/24/2001 | CN1280870A Inclined tower plates with oblique holes |
01/24/2001 | CN1060966C Autocontrol method for fractional extraction process and its device |
01/18/2001 | WO2001003810A2 sAPOUR MANAGEMENT SYSTEM |
01/18/2001 | WO2001003794A1 Method and device for treating liquid wastes |
01/18/2001 | DE19931866A1 Verfahren und Vorrichtung zur Aufbereitung einer Abfallflüssigkeit Method and apparatus for treating a waste liquid |
01/18/2001 | DE19929407C1 Counterflow mass- and energy exchange column for gas and liquid includes foam stabilizers comprising dense upper grid and thinner, more-open lower grid, resting on sieve plate |
01/17/2001 | EP1068903A1 Height-adjustable support with holder and method of uncoupling the holder |
01/17/2001 | EP1068166A1 Process and apparatus for the production and recovery of p-xylene |
01/17/2001 | CN1060784C Concentration method of polymer solution |
01/17/2001 | CN1060683C Scraped agitated film gas liquid mass transfer reactor |
01/16/2001 | US6175040 Reactor for two-phase reactions, in particular for urea synthesis at high pressure and temperature |
01/16/2001 | US6173905 Dispersion device for a dispenser for sprinkling liquid onto substance and/or heat exchange systems |
01/16/2001 | US6173585 Process for the production of carbon monoxide |
01/16/2001 | US6173584 Multieffect distillation |
01/16/2001 | CA2221104C Distillation column employing structured packing which reduces wall flow |
01/16/2001 | CA2078322C Process for the treatment of an aqueous solution containing mainly nitric and hydrofluoric acid |
01/11/2001 | WO2001002535A2 The method of ethanol production without the rise of distiller's stillage |
01/11/2001 | WO2001002074A1 Extractive distillation separation |
01/11/2001 | DE19929213A1 Sea water desalination heat-medium set higher providing higher yield of pure water in relation to energy input |
01/10/2001 | EP1066100A1 Spent caustic pretreatment and enhanced oxidation process |
01/10/2001 | CN1279663A Method and equipment for producing fatty acid methyl ester |
01/10/2001 | CN1279650A Ultra-purity water producing apparatus by high temperature process and chemical liquid preparing system including the same |
01/10/2001 | CN1060405C Catalysis-distillation equipment by mixing catalyst with fraction elements |
01/10/2001 | CN1060404C Gas-solid quickly separating method and apparatus for lift-leg outlet having close-phase circulation prestripping device |
01/09/2001 | US6171449 Cascade reboiling of ethylbenzene/styrene columns |
01/07/2001 | CA2277449A1 Vapour management system |
01/04/2001 | WO2001000533A1 Method and device for distilling a liquid substance from a solution, especially for the purpose of desalination of seawater |
01/03/2001 | EP1064266A2 Method for separating an azepine derivative from a mixture containing an amine and an azepine derivative |
01/03/2001 | EP1064086A1 Continuous slurry polymerization volatile removal |
01/03/2001 | CN2412634Y Internal-external ring liquid-discharging pipe |
01/03/2001 | CN2412633Y Metal and plastic combined column tray |
01/03/2001 | CN1278779A Process for purifying perfluorinated products |
01/03/2001 | CN1060137C Method and apparatus for preparing high purity hydrogen bromide |
01/03/2001 | CN1060091C Process for separating azeotrope of methanol and dimethyl carbonate |
01/02/2001 | US6169197 Process for separation between dialkyl carbonate and alkyl carbamate |
12/28/2000 | WO2000078424A1 Floating decanter for supernatant liquid |
12/28/2000 | DE19929212A1 Water desalination plant employs adapted heat medium solution minimising mass liquid flow and corrosion |
12/27/2000 | EP1062995A1 Reduced-pressure distillation system |
12/27/2000 | EP1062013A1 Vapor/liquid contacting cyclone with secondary vanes |
12/27/2000 | EP1017629A4 Water evaporation apparatus |
12/27/2000 | EP0880388A4 Etherification-hydrogenation process |
12/27/2000 | CN1059889C Method for preparation of butylaldehyde compound |
12/26/2000 | US6166281 Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenites |
12/26/2000 | US6166270 Extractive distillation separation |
12/26/2000 | US6165326 Facility for desalinating of purifying sea water or brackish water by means of solar energy |
12/26/2000 | US6165325 Vacuum vessel for continuous or semicontinuous treatment of fatty oils |
12/26/2000 | US6165315 Reactor for the synthesis of urea |
12/21/2000 | WO2000077406A2 Method for compressing a hydrocarbon-containing gaseous medium |
12/21/2000 | WO2000077382A1 Fuel fractionation device |
12/21/2000 | WO2000076965A1 Removal of contaminants from n-methyl-2-pyrrolidone |
12/20/2000 | CN1277183A Process for producing (methyl) propenoic acid |
12/15/2000 | CA2310707A1 Process for recovering gamma-butyrolactone from a mixture of heavy organics |
12/14/2000 | WO2000075078A1 Evaporation device |
12/14/2000 | DE19918728A1 Verfahren und Vorrichtung zum Eindampfen von Polymerlösungen thermoplastischer Polymere Method and apparatus for evaporating polymer solutions of thermoplastic polymers |
12/13/2000 | EP1059281A1 Method of manufacturing (meth)acrylic acid |
12/13/2000 | EP1058575A1 Method and apparatus for removing water from aqueous fluid mixture |
12/13/2000 | CN2410021Y Parabolic cyclonic body gas-liquid heat-transfer medium-transfer device |
12/13/2000 | CN1276776A Method of recycling catalyst in oxidations of hydrocarbons |
12/13/2000 | CN1276363A Method for suppression of polymerization in vacuum zone of easy-to-polymerize compounds purifying system |
12/13/2000 | CN1276253A Tower and method for refining organic compound contg. easy-to-plug matter |
12/13/2000 | CN1059352C Catalytic distillation structure |
12/12/2000 | US6159345 Method and apparatus for recovering and/or recycling solvents |
12/12/2000 | US6159344 Reaction and distillation device |
12/12/2000 | US6158237 Rotatable heat transfer apparatus |
12/07/2000 | WO2000024506A3 Method and apparatus for making structured packing element |
12/07/2000 | DE19906772C1 Instrument for determining presence of vapor or condensation in partially evacuated evaporator or distillation unit monitors sensor temperature profile along cooling radiator front within vapor column |
12/06/2000 | EP1057804A2 Process for inhibiting a polymerization in a vacuum section of an easily polymerizable compound purification system |
12/06/2000 | EP1057509A1 Apparatus for the purification of organic compounds containing readily-blocking substances and process thereof |
12/06/2000 | CN2408937Y Double-place jetting guiding ladder-shaped float valve |
12/05/2000 | US6156910 ε-Caprolactone, process for producing the same, polycaprolactone obtained therefrom, and process for producing the polycaprolactone |
12/05/2000 | US6156868 Preparing dibasic acids, such as adipic acid, by oxidizing a hydrocarbon with oxygen, |
12/05/2000 | US6155540 Apparatus for vaporizing and supplying a material |
11/30/2000 | DE19924532A1 Novel separating column used in fractional condensation of acrylic acid-containing partial oxidation gas mixtures contains both dual-flow- and hydraulically-sealed crossflow-plates |
11/29/2000 | CN1274613A Distillation mehtod and column |
11/29/2000 | CN1058906C Method and apparatus for monochannel simultaneous heat and mass transfer |
11/28/2000 | US6153804 Production of cyclopentane and/or cyclopentene from partially hydrogenated pyrolysis gasoline |
11/28/2000 | US6153799 Method for producing highly pure aqueous hydroxylamine solutions |
11/28/2000 | US6152994 Process for the purification of an alkanolamine |
11/26/2000 | CA2273022A1 An apparatus for purifying liquids |
11/23/2000 | WO2000070290A1 Bush for partition-through-pipe seal and multi-stage flash evaporator using the bush |
11/23/2000 | WO2000069798A1 Method for producing 4-chlorobiphenyl and 4-chlorobiphenyl-specific specifications |
11/23/2000 | WO2000069797A1 Production of 1,1,1,2,3,3,3-heptafluoropropane |
11/23/2000 | WO2000069774A1 Hydrogen recycle and acid gas removal using a membrane |
11/23/2000 | DE19923682A1 Fresh water production apparatus, for fresh water recovery from seawater and waste water, has a heat exchange condenser between an inclined housing rear wall and an evaporator |
11/23/2000 | DE19923439A1 Multistage apparatus for evaporating water from a mixture with caprolactam without a vacuum comprises a sump, heater, packing, cooler and conical cover |
11/23/2000 | CA2373437A1 Production of 1,1,1,2,3,3,3-heptafluoropropane |