Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
06/2006
06/28/2006EP1242348B1 Production of phenol using reactive distillation
06/28/2006CN2790557Y Rectifying tower vacuum set with tail gas recovery device
06/28/2006CN1792405A Miniature guide float-valve
06/28/2006CN1261422C Integrated process for preparation of olefin oxides
06/28/2006CN1261363C Wastewater treatment process for treating organics containing nitrogen
06/27/2006US7067044 Floating on water surface; wicking brine; evaporation; concentrating using solar radiation with mirrors and lenses; distillation
06/27/2006US7067043 Coke oven door with gas channel
06/22/2006WO2006065639A2 Method and apparatus to produce potable water
06/22/2006US20060135811 Separator, reactor, and process for producing aromatic carboxylic acid
06/21/2006EP1671688A1 Distillation apparatus and method
06/21/2006EP1455917B1 Continuous process for controlled evaporation of colloidal solutions
06/21/2006EP1314698B1 Process and apparatus for treating ammonia-containing waste water
06/21/2006CN2788879Y Column plate tower for gas-liquid mass transfer
06/21/2006CN2788878Y Two-section single tower distillation column for ediable alcohol
06/21/2006CN1791557A Fluid distillation apparatus having improved efficiency
06/21/2006CN1260202C Process for producing (meth) acrylic acids
06/21/2006CN1260201C Process for producing (meth)acrylic acid compound
06/21/2006CN1260198C Method for stopping running of distillation tower
06/21/2006CN1260197C Method for distilling (meth)acrylic acid
06/21/2006CN1260196C Process for producing (meth)acrylic acids
06/15/2006WO2006061516A1 Inner tray for a chamber
06/15/2006WO2006061082A1 Process for the removal of ammonia from an ammonia-containing gas stream
06/15/2006WO2006048098A8 Device for removing oxygen-containing organic compounds from mixtures of various hydrocarbon compounds
06/15/2006US20060129012 Coating ferrous metal substrate with aqueous bath of oxalic acid, aluminum sulfate, nitrobenzenesulfonic acid ; cleaning, soaking, rinsing, immersion; water displacement with solvent; sealing
06/15/2006US20060128991 Method and device for hydrolytically obtaining a carboxylic acid and alcohol from the corresponding carboxylic ester
06/15/2006US20060125232 Spray fitting for a tower pertaining to an installation for treating a gas flow with a liquid
06/15/2006US20060124441 Process for reducing the aldehyde concentration in a mixture comprising cyclohexanone and one or more aldehydes
06/15/2006US20060124440 Method and apparatus to produce potable water
06/15/2006US20060124431 wherein an inside of column body is divided into lower section, middle section, and upper section, wherein lower section is a jet tray section, middle section is a packing section, and upper section is a floating valve section; oil separation apparatus; waste recycling
06/15/2006CA2588774A1 Process for the removal of ammonia from an ammonia-containing gas stream
06/14/2006CN1259291C Tower processing method and equipment
06/14/2006CN1259116C Permeable gas/liquid mass transfer method and device
06/13/2006US7060788 Process for stripping monomers and other volatile constituents from polymer melts
06/13/2006US7060232 Polyfunctional sub-assembly for contact, material distribution and heat and/or material exchange of at least one gas phase and at least one liquid phase
06/13/2006US7060165 Processes for purification and production of fluorocarbons
06/08/2006WO2006059920A1 Whirling device for carrying out downward phase current physico-chemical processes
06/08/2006WO2006004962A3 Reversible absorption refrigeration
06/08/2006WO2005072256A3 Retort heating apparatus and methods
06/07/2006EP1666113A1 A helical fractionating column
06/07/2006EP1663467A1 Distribution device
06/07/2006EP1663453A1 Gas-liquid contacting tray
06/07/2006EP1663434A1 Multi-phase fluid distributor for a bundled-tube reactor
06/07/2006CN2785675Y Efficient energy-saving distilled-water machine
06/07/2006CN1781571A Divided wall exchange tower
06/06/2006US7055810 Expansion ring for mass transfer column and method employing same
06/06/2006US7055333 High pressure CO2 purification and supply system
06/01/2006WO2006056378A1 Method for chemically reacting and separating a mixture in a column
06/01/2006US20060113180 Purification of propylene oxide resulting from epoxidation of propylene with hydrogen peroxide
06/01/2006US20060113179 producing fresh water from salt water; evaporation; condensation
06/01/2006DE102004056673A1 Verfahren zur simultanen Reaktiv- und Extraktivdestillation für die Herstellung von Borsäureestern A process for the simultaneous reactive and extractive distillation for the production of boric acid esters
06/01/2006DE102004056672A1 Verfahren zur chemischen Umsetzung und Auftrennung eines Gemisches in einer Kolonne A process for chemical reaction and separation of a mixture in a column
05/2006
05/31/2006EP1660615A2 Desulfurization of a naphtha gasoline stream derived from a fluid catalytic cracking unit
05/31/2006EP1567684B1 Method for eliminating mercury from solutions contaminated by the same
05/31/2006EP1476235B1 Heat integrated distillation column
05/31/2006EP1368103B1 Solvent regenerator
05/31/2006EP1278702B1 Improved desalination of ocean water
05/31/2006CN1257836C Method for the production of a salt-free aqueous hydroxylamine solution
05/30/2006US7053252 Process for preparing 1,1,1-trifluoro-2,2-dichloroethane
05/30/2006US7052656 Column for carrying out an isotope exchange between a liquid substance and a gaseous substance
05/30/2006US7052582 For removing fresh water from salt water by extraction of water vapor from negative pressure container using wave motion for power
05/30/2006US7052000 Liquid distributor and method for operating the same
05/26/2006WO2006055548A2 Low energy vacuum distillation method and apparatus
05/26/2006WO2006054936A1 A heat exchanger plant for evaporation
05/26/2006WO2006054408A1 Distillation apparatus for dry cleaner
05/26/2006WO2006033904A3 Desiccant bag with orientation indicator
05/25/2006US20060108213 Production processes
05/25/2006US20060108212 Process for the distillative separation of mixtures of substances
05/24/2006EP1255602B1 Vertical extending liquid/liquid contacting column
05/24/2006EP0971776B1 Process and device for treating of solutions comprising water, organic fluid and salt
05/24/2006DE202004020978U1 Counter flow distillation apparatus, e.g. for brandy production, comprises structured bubble-cap trays with a catch dish and cap in the rectifying unit for a slow vapor flow through the liquid
05/24/2006DE102004056419A1 Geordnete Packung für Wärme und/oder Stoffaustausch Structured packing for heat and / or mass transfer
05/23/2006US7049450 Process for the purification of crude propene oxide
05/23/2006US7048905 Process for the production of hydrogen peroxide
05/23/2006US7048835 System and method for acetic acid recovery during terephthalic acid production
05/23/2006US7048834 Method for purification of acrylic acid
05/23/2006US7048833 preheating a liquid oxygenate feed containing some non volatiles, passing the feed to a vapor-liquid disengaging drum; recovering the overhead fraction of vaporized oxygenate-containing stream, recirculating non-volatile fraction through heat exchanger
05/23/2006US7048832 Method and system for extracting hydrocarbon fuel products from plastic material
05/17/2006EP1252100B1 Water distillation system
05/17/2006CN2780285Y Secondary electricity gas, coal temperature controlled distillation softening furnace
05/17/2006CN1774605A Evaporator and heat exchanger with external loop, as well as heat pump system and air conditioning system comprising said evaporator or heat exchanger
05/17/2006CN1774412A Thermal rectification method and rectifying column
05/17/2006CN1772328A Floating valve with trapezoidal side hole
05/17/2006CN1772327A Waste liquid separating method for tetrahydro methyl phthalic anhydride production process
05/17/2006CN1256162C Vapor-liquid mixed high-efficient mass transferring tray with liquid-phase zoning cross current flow
05/17/2006CN1256161C Thermosensitive material intermittent rectifying process having side material output and tower kettle cold material storage
05/16/2006US7045100 Method for producing fatty acid methyl ester and equipment for realizing the same
05/16/2006US7045038 Process for treating waste oil
05/16/2006US7044159 Methods and apparatus for mixing fluids
05/11/2006WO2006048098A1 Device for removing oxygen-containing organic compounds from mixtures of various hydrocarbon compounds
05/11/2006WO2006048082A1 Method and device for evaporating a cryogenic liquid
05/11/2006US20060096849 Method for separating butenes and butanes by extractive distillation provided with a polar extraction agent
05/11/2006DE102004054043A1 Verfahren zur destillativen Trennung von Stoffgemischen A process for the distillative separation of mixtures of substances
05/10/2006EP1654047A1 Recycling of ionic liquids produced in extractive distillation
05/10/2006EP1654046A1 Distillative method for separating narrow boiling or azeotropic mixtures using ionic liquids
05/10/2006CN2778359Y Multidirectional bubbling diversion float valve
05/10/2006CN1768889A Novel packed tower
05/10/2006CN1255395C Apparatus and process for purifying peach aldehyde by decompressing batch rectifying
05/09/2006US7041199 Process and device for hydrolytically obtaining a carboxylic acid alcohol from the corresponding carboxylate
05/09/2006US7041198 Distillation system
05/04/2006WO2006047004A1 Purification of n-(2-hydroxyethyl)-2-pyrrolidone