Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
01/2001
01/31/2001CN1282265A Liquid dispenser for distilling colomn, and corresponding distilling column
01/31/2001CN1281841A Organic thermal carrier heating furnace for alcohol distillation
01/31/2001CN1281744A Fractionating reaction column plate type catalytic distillating equipment
01/31/2001CN1061267C Float valve column plate with improved valve hole structure
01/30/2001US6180820 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
01/30/2001US6180817 Process for the distillation of crude ester in the DMT/PTA process
01/30/2001CA2223042C Hydrocarbon gas processing
01/25/2001WO2001006051A1 System and method for extracting water in a dry cleaning process involving a silicone-based solvent and methods enhancing the process of cleaning
01/25/2001WO2001005914A2 Separating facility for separating a polyglycol and ethylene mixture
01/25/2001WO2001005734A1 Process for the separation of isobutene from normal butenes
01/25/2001WO2001005709A1 Method of distillation of water
01/25/2001DE19929408C1 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
01/25/2001CA2378940A1 System and method for extracting water in a dry cleaning process involving a silicone-based solvent and methods enhancing the process of cleaning
01/24/2001EP0783359B1 Liquid distributor for an evaporator
01/24/2001CN1280870A Inclined tower plates with oblique holes
01/24/2001CN1060966C Autocontrol method for fractional extraction process and its device
01/18/2001WO2001003810A2 sAPOUR MANAGEMENT SYSTEM
01/18/2001WO2001003794A1 Method and device for treating liquid wastes
01/18/2001DE19931866A1 Verfahren und Vorrichtung zur Aufbereitung einer Abfallflüssigkeit Method and apparatus for treating a waste liquid
01/18/2001DE19929407C1 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
01/17/2001EP1068903A1 Height-adjustable support with holder and method of uncoupling the holder
01/17/2001EP1068166A1 Process and apparatus for the production and recovery of p-xylene
01/17/2001CN1060784C Concentration method of polymer solution
01/17/2001CN1060683C Scraped agitated film gas liquid mass transfer reactor
01/16/2001US6175040 Reactor for two-phase reactions, in particular for urea synthesis at high pressure and temperature
01/16/2001US6173905 Dispersion device for a dispenser for sprinkling liquid onto substance and/or heat exchange systems
01/16/2001US6173585 Process for the production of carbon monoxide
01/16/2001US6173584 Multieffect distillation
01/16/2001CA2221104C Distillation column employing structured packing which reduces wall flow
01/16/2001CA2078322C Process for the treatment of an aqueous solution containing mainly nitric and hydrofluoric acid
01/11/2001WO2001002535A2 The method of ethanol production without the rise of distiller's stillage
01/11/2001WO2001002074A1 Extractive distillation separation
01/11/2001DE19929213A1 Sea water desalination heat-medium set higher providing higher yield of pure water in relation to energy input
01/10/2001EP1066100A1 Spent caustic pretreatment and enhanced oxidation process
01/10/2001CN1279663A Method and equipment for producing fatty acid methyl ester
01/10/2001CN1279650A Ultra-purity water producing apparatus by high temperature process and chemical liquid preparing system including the same
01/10/2001CN1060405C Catalysis-distillation equipment by mixing catalyst with fraction elements
01/10/2001CN1060404C Gas-solid quickly separating method and apparatus for lift-leg outlet having close-phase circulation prestripping device
01/09/2001US6171449 Cascade reboiling of ethylbenzene/styrene columns
01/07/2001CA2277449A1 Vapour management system
01/04/2001WO2001000533A1 Method and device for distilling a liquid substance from a solution, especially for the purpose of desalination of seawater
01/03/2001EP1064266A2 Method for separating an azepine derivative from a mixture containing an amine and an azepine derivative
01/03/2001EP1064086A1 Continuous slurry polymerization volatile removal
01/03/2001CN2412634Y Internal-external ring liquid-discharging pipe
01/03/2001CN2412633Y Metal and plastic combined column tray
01/03/2001CN1278779A Process for purifying perfluorinated products
01/03/2001CN1060137C Method and apparatus for preparing high purity hydrogen bromide
01/03/2001CN1060091C Process for separating azeotrope of methanol and dimethyl carbonate
01/02/2001US6169197 Process for separation between dialkyl carbonate and alkyl carbamate
12/2000
12/28/2000WO2000078424A1 Floating decanter for supernatant liquid
12/28/2000DE19929212A1 Water desalination plant employs adapted heat medium solution minimising mass liquid flow and corrosion
12/27/2000EP1062995A1 Reduced-pressure distillation system
12/27/2000EP1062013A1 Vapor/liquid contacting cyclone with secondary vanes
12/27/2000EP1017629A4 Water evaporation apparatus
12/27/2000EP0880388A4 Etherification-hydrogenation process
12/27/2000CN1059889C Method for preparation of butylaldehyde compound
12/26/2000US6166281 Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenites
12/26/2000US6166270 Extractive distillation separation
12/26/2000US6165326 Facility for desalinating of purifying sea water or brackish water by means of solar energy
12/26/2000US6165325 Vacuum vessel for continuous or semicontinuous treatment of fatty oils
12/26/2000US6165315 Reactor for the synthesis of urea
12/21/2000WO2000077406A2 Method for compressing a hydrocarbon-containing gaseous medium
12/21/2000WO2000077382A1 Fuel fractionation device
12/21/2000WO2000076965A1 Removal of contaminants from n-methyl-2-pyrrolidone
12/20/2000CN1277183A Process for producing (methyl) propenoic acid
12/15/2000CA2310707A1 Process for recovering gamma-butyrolactone from a mixture of heavy organics
12/14/2000WO2000075078A1 Evaporation device
12/14/2000DE19918728A1 Verfahren und Vorrichtung zum Eindampfen von Polymerlösungen thermoplastischer Polymere Method and apparatus for evaporating polymer solutions of thermoplastic polymers
12/13/2000EP1059281A1 Method of manufacturing (meth)acrylic acid
12/13/2000EP1058575A1 Method and apparatus for removing water from aqueous fluid mixture
12/13/2000CN2410021Y Parabolic cyclonic body gas-liquid heat-transfer medium-transfer device
12/13/2000CN1276776A Method of recycling catalyst in oxidations of hydrocarbons
12/13/2000CN1276363A Method for suppression of polymerization in vacuum zone of easy-to-polymerize compounds purifying system
12/13/2000CN1276253A Tower and method for refining organic compound contg. easy-to-plug matter
12/13/2000CN1059352C Catalytic distillation structure
12/12/2000US6159345 Method and apparatus for recovering and/or recycling solvents
12/12/2000US6159344 Reaction and distillation device
12/12/2000US6158237 Rotatable heat transfer apparatus
12/07/2000WO2000024506A3 Method and apparatus for making structured packing element
12/07/2000DE19906772C1 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
12/06/2000EP1057804A2 Process for inhibiting a polymerization in a vacuum section of an easily polymerizable compound purification system
12/06/2000EP1057509A1 Apparatus for the purification of organic compounds containing readily-blocking substances and process thereof
12/06/2000CN2408937Y Double-place jetting guiding ladder-shaped float valve
12/05/2000US6156910 ε-Caprolactone, process for producing the same, polycaprolactone obtained therefrom, and process for producing the polycaprolactone
12/05/2000US6156868 Preparing dibasic acids, such as adipic acid, by oxidizing a hydrocarbon with oxygen,
12/05/2000US6155540 Apparatus for vaporizing and supplying a material
11/2000
11/30/2000DE19924532A1 Novel separating column used in fractional condensation of acrylic acid-containing partial oxidation gas mixtures contains both dual-flow- and hydraulically-sealed crossflow-plates
11/29/2000CN1274613A Distillation mehtod and column
11/29/2000CN1058906C Method and apparatus for monochannel simultaneous heat and mass transfer
11/28/2000US6153804 Production of cyclopentane and/or cyclopentene from partially hydrogenated pyrolysis gasoline
11/28/2000US6153799 Method for producing highly pure aqueous hydroxylamine solutions
11/28/2000US6152994 Process for the purification of an alkanolamine
11/26/2000CA2273022A1 An apparatus for purifying liquids
11/23/2000WO2000070290A1 Bush for partition-through-pipe seal and multi-stage flash evaporator using the bush
11/23/2000WO2000069798A1 Method for producing 4-chlorobiphenyl and 4-chlorobiphenyl-specific specifications
11/23/2000WO2000069797A1 Production of 1,1,1,2,3,3,3-heptafluoropropane
11/23/2000WO2000069774A1 Hydrogen recycle and acid gas removal using a membrane
11/23/2000DE19923682A1 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
11/23/2000DE19923439A1 Multistage apparatus for evaporating water from a mixture with caprolactam without a vacuum comprises a sump, heater, packing, cooler and conical cover
11/23/2000CA2373437A1 Production of 1,1,1,2,3,3,3-heptafluoropropane