Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
08/2005
08/17/2005EP1204628B1 Method for producing phthalic anhydride according to specifications
08/17/2005CN1656021A Distillation generating system
08/17/2005CN1214842C Impact leakage preventing device of suspending downspout column plate
08/16/2005US6930206 A process for reacting a first component with itself or a second component to produce a third component in which a first material comprising a first component or said components is fed to divided wall column having a catalytic structure
08/16/2005US6929786 Method for separating zirconium and hafnium tetrachlorides with the aid of a melted solvent
08/16/2005US6929537 Slurry recycling method
08/11/2005US20050176998 Method for purifying (meth)acrylic acid
08/11/2005US20050176997 Method for purifying (meth)acrylic acid
08/11/2005US20050176954 from mixtures comprising caprolactam, water, light components including unsaturated lactams and heavy components, by vacuum distillation, then hydrogenating the unsaturated lactams
08/11/2005US20050172952 Self-sanitising water treatment apparatus with a reservoir for treated water that includes a heating element
08/10/2005CN1213970C Process for the separation of isobutene from normal butenes
08/09/2005US6926868 Separation polymer slurries; slurry loop; discharging conduit
08/09/2005US6926810 Mixing a feed stream and at least one azeotroping agent; decomposing the ammonium salt, the amide, or the alkylamine-organic acid complex to produce organic acid producing a first vapor stream; separating
08/09/2005US6926808 Vacuum low-temperature distilled pure water dispenser
08/04/2005WO2005070512A1 Desalinization by evaporation from capillary material
08/04/2005US20050167859 Methods and apparatus for mixing and distributing fluids
08/04/2005US20050167362 Process for recovering liquid chemical products in chemical production facility
08/04/2005US20050167335 transferring mercury from a liquid phase to a vapor phase by establishing a proper temperature profile in stills
08/04/2005DE10322528B4 Apparatur zur Batch-Typ-Polyester-Polymerisation Apparatus for batch-type polyester polymerization
08/03/2005EP1476234B1 Reaction column in a special combination with a circulation evaporator
08/03/2005CN1649653A Methods for treating deodorizer distillate
08/03/2005CN1649652A Process and structure for superaccelerating nature, producing a continuous supply of fresh water from salt water by using solar, wind, and wave energy
08/03/2005CN1648231A Distillation method and its device using multiple tower continuously heating and impacting
08/03/2005CN1213014C Process and devices for hydrolytically obtaining carboxylic acid nad alcohol from corresponding carboxylate
08/02/2005CA2190844C Two-phase distributor system for downflow reactors
07/2005
07/28/2005WO2005068368A1 Desalination water conversion facility utilizing temperature difference and method of creating low-vacuum condition in the facility
07/28/2005WO2005068065A1 Fluid-contactor
07/28/2005WO2005068039A1 Vapour-liquid distribution tray
07/28/2005US20050163682 Reduced vertical height; lower cost; intimate mixing and thermal equilibration while minimizing pressure drop; fixed bed catalytic hydrotreating and hydrocracking of heavy petroleum hydrocarbon stocks
07/28/2005US20050161316 Countercurrent stripping pipe
07/28/2005DE19719745B4 Druckschaltventilanordnung mit Überlastsicherungsfunktion für einen hydraulischen Verbraucher Pressure switching valve assembly with overload protection function for a hydraulic consumer
07/28/2005DE10361518A1 Verfahren zur Abtrennung von Trioxan aus einem Trioxan/Formaldehyd/Wasser-Gemisch A process for removing trioxane from a trioxane / formaldehyde / water mixture
07/28/2005DE10361318A1 Seawater desalination unit has a mechanical vapor condenser working in conjunction with an expansion chamber and condenser
07/28/2005DE102004041641A1 Stabilisierte Cyclosiloxane zur Verwendung als Vorläufer für Dünnfilme mit niedriger dielektrischer Konstante Stabilized cyclosiloxanes for use as precursors for thin films with low dielectric constant
07/28/2005CA2553327A1 Fluid-contactor
07/27/2005EP1556149A2 Temperature sensing in centrifugal evaporators
07/27/2005EP1480746A4 A reactive distillation alkylation process including in situ catalyst regeneration
07/27/2005CN1212173C Annular grid type tower air inlet device
07/26/2005US6921833 Reacting methanol with carbon monoxide under high pressure and temperature in the presence of metal alkoxides as catalyst, then separation of products using stills and reusing excess methanol
07/26/2005CA2262370C Countercurrent reaction vessel
07/21/2005WO2005065799A1 Solvent evaporator
07/21/2005DE10359795A1 Strangverdampfervorrichtung Tube evaporator device
07/20/2005EP1554390A1 Apparatus for the production of alcohol
07/20/2005EP1483252B1 Method for purifying tetrahydrofuran by distillation
07/20/2005EP1218077B1 Vapor-liquid contact apparatus
07/20/2005CN1642900A Nitrosophenols and C-nitrosoanilines as polymerization inhibitors
07/20/2005CN1642609A Method and device for separating gases and/or liquids
07/20/2005CN1642608A Rotating heat exchanger
07/20/2005CN1211288C Improved desalination of ocean water
07/20/2005CN1211282C Method and apparatus for reducing down stream pollution in ammonta recovering process
07/20/2005CN1211146C Forced liquid extracting style parallel spray packing tower plates
07/20/2005CN1211145C Vacuum distillation system and use for concentrating organic-aqueous solvent mixtures
07/19/2005US6919020 Distributor/collector system
07/19/2005US6918950 Apparatus and method for reducing residual solvent levels
07/19/2005US6918949 Method for contacting large volumes of gas and liquid across microscopic interfaces
07/14/2005WO2005063353A1 Method for separating trioxane from a mixture containing trioxane, formaldehyde and water
07/14/2005WO2005063352A1 A gas-liquid contacting apparatus
07/14/2005WO2005063351A1 Strand evaporator device
07/14/2005US20050154246 Extractive distillation using a selective solvent; zones include scrubbing and degassing zones; reduced energy requirements
07/14/2005US20050154245 Hydrogen recovery in a distributed distillation system
07/14/2005US20050150833 Method for recovering fluorine-containing emulsifier
07/14/2005US20050150756 Structure for multiple-effect distillation using tubes or plates
07/14/2005DE102004006378A1 Arrangement for filling a water bed mattress with water comprises a nutrient and/or an anabolic material removal unit, a unit for introducing water into the removal unit and a unit for feeding water into a water bed mattress
07/14/2005DE10122546B4 Verfahren zur Reinigung von Kokereigas Methods for cleaning up of coke oven gas
07/14/2005CA2548640A1 Method for separating trioxane from a mixture containing trioxane, formaldehyde and water
07/13/2005EP1552870A1 Internal heat exchange-type distillation column
07/13/2005EP1551532A2 Improved split flow process and apparatus
07/13/2005EP1551522A2 Purification of n,n-dimethylacetamide
07/13/2005EP1359989A4 Quench water pretreat process
07/13/2005EP1232137B1 Purification of aqueous solutions of organic acids
07/13/2005CN2708985Y Full connection double water tank type gas liquid distributor
07/13/2005CN2708979Y Guide floating valve
07/13/2005CN1639144A Method for purifying tetrahydrofuran by distillation
07/13/2005CN1638870A A reactive distillation alkylation process including in situ catalyst regeneration
07/13/2005CN1210246C Distillation method of solution with easy-to-polymerize material
07/13/2005CN1210207C Preparation method of nano grade powder
07/12/2005CA2247508C Method and apparatus to improve vapor distribution
07/07/2005WO2005061070A1 Gas-liquid contacting tray
07/07/2005WO2005060686A2 Control scheme for enhanced filtered water systems
07/07/2005WO2005060597A2 Hydrogen recovery in a distributed distillation system
07/07/2005US20050146062 Method and apparatus for facilitating more uniform vapor distribution in mass transfer and heat exchange columns
07/07/2005US20050145418 Oil contaminated substrate treatment method and apparatus
07/07/2005CA2553863A1 Control scheme for enhanced filtered water systems
07/07/2005CA2550075A1 Hydrogen recovery in a distributed distillation system
07/06/2005EP1549602A2 Process for producing carboxylic acid and system for producing the same
07/06/2005EP1549409A1 Two-phase distribution apparatus and process
07/06/2005EP1083160B1 Apparatus for separation and purification of saturated hydrocarbon and method for separation and purification
07/06/2005CN2707345Y Externally-mounted reflux ratio distributor
07/06/2005CN1635927A Process for the process management of an extractive distillation plant, process control system and extractive distillation plant
07/06/2005CN1635926A Apparatus and method for treating a fluid
07/06/2005CN1209282C Method for producing concentrated nitric acid and installation for carrying out a method of this type
07/05/2005CA2339507C Method for controlling absorbent at decarboxylation facility and system therefor
06/2005
06/30/2005WO2005058746A2 Liquid distributor for use in mass transfer column and method employing same
06/30/2005WO2005058522A1 Heat treated devolatilizer nozzle
06/30/2005US20050139072 Process to remove nitrogen and/or carbon dioxide from methane-containing streams
06/30/2005DE10357183A1 Vorrichtung und Verfahren zum Ausdampfen von Monomeren und anderen flüchtigen Bestandteilen aus Polymerschmelzen Apparatus and method for evaporation of monomers and other volatiles from polymer melts
06/30/2005CA2543595A1 Heat treated devolatilizer nozzle
06/29/2005EP1545732A1 Vacuum sealing arrangement for a liquid concentrator
06/29/2005CN1633579A Vertical multitubular heat exchanger and distillation column system including the same
06/29/2005CN1631491A Compound absorption tray