Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
03/2002
03/28/2002US20020036158 Emulsions within the used oil are broken allowing the distillation and recovery of various aqueous and hydrocarbon fractions.
03/27/2002EP1189884A1 Removal of contaminants from n-methyl-2-pyrrolidone
03/27/2002CN1342097A Apparatus and process for hydrogenations
03/27/2002CN1341471A Method and device for separating organic matter from gas mixture containing organic matter
03/21/2002WO2002023027A1 Water supply system for steam injection and inlet fogging in a gas turbine powerplant and operating method for this system
03/21/2002WO2002022264A2 Method and apparatus for gradient generation
03/21/2002WO2001060481A3 Column for counter-currently contacting gas and liquid
03/21/2002CA2422110A1 Method and apparatus for gradient generation
03/20/2002CN1341087A Method for continuous recovery of styrene from mixture containing same
03/19/2002US6359177 Distillation, stripping
03/19/2002US6359173 Process control; continuous processing
03/19/2002US6358371 Method of operating a water distiller
03/14/2002WO2002020114A2 Anti-pressure system for distillation vessel
03/14/2002WO2002020113A1 Device for preparing transformers
03/14/2002US20020029953 Evaporating a mixture of liquids having different volatilities and specific gravities, centrifuging at positive pressure before evaporation of the more volatile component occurs, and then progressively evacuating the chamber
03/14/2002US20020029952 Recovering acrylonitrile, methacrylonitrile, or hydrogen cyanide from reactor effluent from ammoxidation, where the head column is operated such that formation of an aqueous phase above the feed tray of the heads column is inhibited
03/13/2002EP1186846A1 Bush for partition-through-pipe seal and multi-stage flash evaporator using the bush
03/13/2002EP1186843A1 Packing column for heat and/or mass transfer
03/13/2002EP1185782A1 Fuel fractionation device
03/13/2002EP1185346A1 An apparatus for rectification of liquid mixtures and/or for scrubbing of gases
03/13/2002CN2481389Y Low-temp. evaporating liquid-liquid separator
03/13/2002CN1339328A Distilling apparatus and distilling method
03/13/2002CN1080862C Method and apparatus for refrigerant reclamation
03/13/2002CN1080580C Distributor allowing independent injection and/or removal of fluids
03/12/2002US6355155 Method and a device for recovering metals comprising dissolving, concentrating and electrowinning means with rotatable cathode
03/12/2002US6355145 Distillation process with reduced fouling
03/12/2002CA2027512C Process and structure for effecting catalytic reactions in distillation structure
03/11/2002CA2357215A1 Packed column for exchanging heat and/or mass
03/07/2002WO2001058812A3 Device and method for distilling water
03/07/2002US20020028977 Frustoconical element induces gentle swirl pattern to a stream effecting perpendicular flow, forcing the liquid against the wall of the feed intake pipe and reestablishing annular flow; avoiding coke formation
03/07/2002US20020027067 Lowering the inner oxygen concentration of column handling easily polymerizable compound containing solution below the limit of oxygen concentration by supplying an inert gas
03/07/2002DE10052874A1 Reaktivrektifikation Reactive distillation
03/07/2002DE10049856A1 Device for continuously vaporizing small amounts of liquid in heated vaporizing chamber comprises capillary which introduces liquid slowly into vaporizing chamber, and device for exciting free end of capillary
03/07/2002DE10041758A1 Verbessertes Verfahren zur Aufbereitung von Stoffen in chemischen Apparaten mit Einbauten zum Stoffaustausch An improved process for the preparation of substances in chemical apparatus with built-ins for mass transfer
03/06/2002EP1183084A1 Method and apparatus for concentrating slurried solids
03/06/2002CN2480037Y Beams less padding tower with high-efficient multi-function inner piece
03/06/2002CA2317620A1 Anti-pressure system
03/05/2002US6352618 Raising the flash point with a naphthenic or paraffinic oil
03/05/2002US6352577 Microchannel laminated mass exchanger and method of making
03/05/2002CA2355414A1 An improved method and apparatus for oxidizing undesired compounds residing within a liquid glycol based absorbent
03/05/2002CA2305118C Water treatment process for thermal heavy oil recovery
02/2002
02/28/2002WO2002016469A1 Reactive rectification
02/28/2002US20020023830 Distillation apparatus and distillation method
02/28/2002DE10038986A1 Sealing device used for sealing hollow chamber of rotary evaporator comprises sealing regions separated from each other by intermediate zones, and connections for fluids to pass through intermediate zones
02/28/2002DE10029232A1 Separation of aqueous dispersions for sewage treatment comprises treating with a solvent with a density below that of the disperse phase itself but above a set minimum
02/27/2002EP1182170A1 Water treatment by means of evaporators that are incorporated in the wind-powered generator tower or bild next to it
02/27/2002EP1181976A2 Improved production process in chemical apparatus having internal mass-transfer structures
02/27/2002EP1181964A1 Distillation apparatus and distillation method
02/27/2002EP1181242A1 Hydrogen recycle and acid gas removal using a membrane
02/27/2002EP1181083A1 A process for evaporating a solution and an evaporator for use in the process
02/27/2002CN2478658Y Plate tower tray for deodorizing for veseline
02/27/2002CN1079819C Hydroconversion process
02/27/2002CN1079696C Method for in-situ moderization of urea synthesis reactor and urea synthesis reactor
02/26/2002US6350352 Thin film evaporator, condensers, baffle
02/26/2002US6350351 Plant for the vacuum distillation of a liquid product
02/26/2002US6349563 Device and method for desalinating salt water and method of producing carbon dioxide exhausting means
02/21/2002WO2002014299A1 Integrated process for the preparation of olefin oxides
02/21/2002WO2002014222A1 Process and apparatus for treating ammonia-containing waste water
02/21/2002WO2002014217A1 Process for the production of hydrogen peroxide
02/21/2002WO2001074721A3 Improved desalination of ocean water
02/21/2002WO2001015175A3 Process for recycling ionic liquids
02/21/2002US20020022739 Process for producing (meth)acrylic ester
02/21/2002US20020021991 Distribution device for producing a polyphase mixture, and associated reactor
02/21/2002US20020020668 Applied to enzymes during protein purification; antifouling agents
02/21/2002US20020020359 Device for injecting a fluid located between two successive beds to simultaneously produce and distribute a polyphase mixture
02/21/2002DE10040029A1 Separation of mixture containing water, methanol and one or several organic substances by distillation with additional water or methanol injected into column
02/21/2002DE10038932A1 Material separation comprises feeding material into one side of container and feeding washing fluid through container in opposite direction to force out component to be separated
02/21/2002DE10038747A1 Simplified purification of alkenyl compounds to low APHA color indexes, involves at least two distillations with time gap of at least one day after the first distillation
02/21/2002DE10024124C1 Vorrichtung zur Trennung von Flüssigkeiten mit unterschiedlichen Siedepunkten, insbesondere zur Abscheidung von Wasser aus Öl Apparatus for the separation of liquids having different boiling points, in particular for separating water from oil
02/20/2002EP1180497A1 Ionic purifier
02/20/2002EP1180394A1 Apparatus for injecting a fluid between two successive beds for effecting and distributing simultaneously a multi-phase mixture
02/20/2002EP1180393A2 Apparatus for injecting a fluid between two successive beds for effecting and distributing simultaneously a multi-phase mixture
02/20/2002CN1336338A Combined mechanism for elevating aerator and swinging packings freely
02/19/2002US6348637 Improved simulated moving bed adsorptive separation process using multifunctional fractional distillation column to recover both extract and raffinate products of adsorptive separation and desorbent in single fractionation column
02/19/2002US6348137 Method and apparatus for fractional distillation
02/19/2002US6348136 Method and apparatus for the purification of vinyl aromatic compounds
02/19/2002US6348135 Process for the purification of (meth) acrylic acid and/or its ester
02/19/2002US6348134 Plant for the distillation of a liquid product
02/19/2002US6347533 Hydraulically balanced fully thermally coupled system
02/19/2002CA2170542C Process for the vaporization of a hydrazine hydrate solution
02/14/2002WO2002012803A1 Improved aqua-ammonia absorption system generator utilizing structured packing
02/14/2002WO2002012209A1 Method for purifying 2-chloro-5-chloromethyl thiazole
02/14/2002WO2002011850A1 Batch process for refining used oil
02/14/2002US20020017111 Distillation separation apparatus and method of cleaning a reboiler/condenser of the apparatus
02/14/2002DE10037774A1 Verfahren und Vorrichtung zur Gewinnung organischer Substanzen aus einem diese Substanzen enthaltenden Gasgemisch Process and apparatus for recovery of organic substances from a gas mixture containing these substances
02/14/2002DE10034902A1 Liquid collector used in distillation columns for material and/or heat exchange comprises several collecting sheets arranged skew to common plane and having form of wings arranged in circular formation about axis
02/13/2002EP1179359A2 Process and apparatus for removing organic substances from a gas mixture
02/13/2002EP1178950A1 Production of 1,1,1,2,3,3,3-heptafluoropropane
02/13/2002EP0871525B1 Liquid medium extraction purification method
02/12/2002US6346173 Mixing with polar liquid
02/12/2002US6345811 Combined packing-tray in a vapor-liquid contacting tower and a process for effecting operation with high capacity and high turndown ratio
02/07/2002WO2002010110A2 Method for producing tertiary c4-c8-alkyl esters of (meth)acryl acid and a falling film evaporator involved therein
02/07/2002WO2002009838A1 Distillation method and device in particular for seawater desalination or for food liquid concentration
02/07/2002WO2002009837A1 Device for distilling a medium
02/07/2002WO2001058582A8 Method and device for resonance excitation of fluids and method and device for fractionating hydrocarbon liquids
02/07/2002US20020015772 From mash; vaporization, condensation
02/07/2002US20020014399 Distilling mixture comprising an N-(C1-C18)-alkyl-2-pyrrolidone and hydrogen chloride in presence of water, condensing water as water-hydrogen chloride azeotrope at the top by cooling, returning, separation
02/07/2002DE10036958A1 Verfahren zur Herstellung von tert.-C4-C8-Alkylestern der (Meth)acrylsäure Process for the preparation of tertiary C4-C8 alkyl esters of (meth) acrylic acid
02/07/2002DE10036173A1 Verfahren zum Entsäuern eines Fluidstroms und Waschflüssigkeit zur Verwendung in einem derartigen Verfahren A process for deacidifying a fluid stream and the washing liquid for use in such a method
02/07/2002DE10026064C1 Flüssigkeitsverteilerkörper für Stoff- und Wärmeaustauschkolonnen Liquid distributor body for heat and mass transfer columns