| 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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| 02/14/2006 | US6998053 operated at variable pressure to form softened salt water; blending soft water with untreated water to optimize desalination temperature and increase yield of potable water; reverse osmosis; flash, multieffect or vapor compression distillation |
| 02/14/2006 | US6998026 Reacting (meth)acrylic acid with olefin using acid catalyst; multistage distillation to remove catalyst |
| 02/14/2006 | US6997445 Method and device for introducing a liquid-vapor mixture into a radial feed cylindrical fractionating column |
| 02/09/2006 | WO2005117529A3 A method and a device for handling a liquid |
| 02/08/2006 | EP1623746A1 Rectifying plant for purifying tertiary amines |
| 02/08/2006 | EP1622999A2 Structured liquids made using lab sulfonates of varied 2-isomer content |
| 02/08/2006 | EP1622692A1 Vapor-liquid trays for mass transfer column and method for supporting the trays |
| 02/08/2006 | EP1567238A4 Distillation system |
| 02/08/2006 | CN1732040A Mixing device for two-phase concurrent vessels |
| 02/08/2006 | CN1240727C Process and device for manufacturing an aromatic alkylene polymer |
| 02/08/2006 | CN1240662C Process for producing (methyl)acrylic acid compound |
| 02/08/2006 | CN1240458C Internal flap of liquid distributor |
| 02/07/2006 | US6994331 Vapor-liquid contact trays for mass transfer column and method employing same |
| 02/07/2006 | CA2282023C Process and device for recovering and treating of aqueous solutions |
| 02/02/2006 | US20060025637 reacting propylene with hydrogen peroxide to form propylene oxide and glycols as by-products, then reacting the propylene oxide obtained with water to give further glycols, and separating the mixtures by distillation |
| 02/02/2006 | US20060021911 Extractive distillation using a selective solvent in a column having two separate regions and a lower combined region; taking a top stream of butanes off the 1st region, taking a top stream of butenes off the 2nd region, and taking more soluble C4 hydrocarbon fraction off the combined region |
| 02/02/2006 | US20060021866 Device for making distilled spirit |
| 02/02/2006 | DE102004032825A1 Distillation column for recovering vapor from aqueous solution, especially alcohol-containing fermentation solution, has rectification plates with back-flow device separate from steam outlet |
| 02/01/2006 | EP1620191A1 Distillation method |
| 02/01/2006 | EP1513919B1 Increased-capacity still for high-quality distillation |
| 02/01/2006 | CN1729370A Method for reducing vibrations in a conduit |
| 02/01/2006 | CN1729038A Method for separating a krypton-xenon concentrate and a device for carrying out said method |
| 02/01/2006 | CN1729037A Method and device for producing a pure liquid from a crude liquid |
| 02/01/2006 | CN1239475C Process for the purification of mixtures of toluenediisocyanate |
| 01/31/2006 | US6991708 Continuous vacuum pan |
| 01/31/2006 | CA2239791C Separation of middle boilers from a mixture of low, middle and high boilers |
| 01/31/2006 | CA2239253C Preparation of aqueous solutions of free hydroxylamine |
| 01/26/2006 | WO2006007783A1 A parent-subsidary guide float valve |
| 01/26/2006 | WO2005105254A3 Multiple-effect still with distilland recirculation prioritization |
| 01/26/2006 | US20060016682 Solar seawater desalting apparatus |
| 01/26/2006 | US20060016681 Apparatus and method for separating tritated and heavy water from light water via a conical configuration |
| 01/26/2006 | DE102004030616A1 Verfahren zur Reinigung von Dimethylacetamid (DMAc) A process for the purification of dimethylacetamide (DMAc) |
| 01/25/2006 | EP1619255A1 Installation and procedure for the evaporation of waste waters and/or tails applicable in distillation processes taking advantage of the calorific energy of the reflux condenser |
| 01/25/2006 | EP1618344A1 Evaporator and heat exchanger with external loop, as well as heat pump system and air conditioning system comprising said evaporator or heat exchanger |
| 01/25/2006 | EP1326943B1 C-nitrosoaniline compounds and their blends as polymerization inhibitors |
| 01/25/2006 | CN2753435Y Solvent extraction apparatus |
| 01/25/2006 | CN1724103A 蒸馏塔 Distillation column |
| 01/25/2006 | CN1238329C Method for producing acrylic acid |
| 01/25/2006 | CN1238317C Continuous process for preparation of polytrimethylene ether glycol |
| 01/25/2006 | CN1238247C Method for producing aqueous hydroxylamine solution without salt |
| 01/25/2006 | CN1238080C Purification apparatus having steam dispersion device |
| 01/19/2006 | WO2006007241A2 Hydrocarbon fluid processing plant design |
| 01/19/2006 | WO2006006588A1 Process for producing aromatic carbonate on industrial scale |
| 01/19/2006 | WO2006006585A1 Process for producing aromatic carbonate on industrial scale |
| 01/19/2006 | WO2006006568A1 Process for producing aromatic carbonate on industrial scale |
| 01/19/2006 | WO2006006566A1 Industrial process for producing aromatic carbonate |
| 01/19/2006 | WO2005102934A3 Water treatment plant and thermal evaporation system |
| 01/19/2006 | US20060011560 For purifying melamine-containing waste water, waste water flows through tank; flow guiding means for guiding the waste water inside the tank in an essentially meandering manner, and by having at least one heating means inside the tank |
| 01/19/2006 | US20060011463 reacting toluenediamine with phosgene in presence of an inert solvent ( chlorobenzene, dichlorobenzene, toluene) to form toluene diisocyanate, separating the solvent in two-stage distillation, in first appatus then using heat of condensation to evaporate remaining solvent in second apparatus |
| 01/19/2006 | US20060011462 Process for producing carboxylic acid and system for producing the same |
| 01/19/2006 | DE102004029732A1 Hilfsmittel enthaltend Cyclohexanpolycarbonsäurederivate Aids containing Cyclohexanpolycarbonsäurederivate |
| 01/18/2006 | EP1616614A1 Method for separating a krypton-xenon concentrate and a device for carrying out said method |
| 01/18/2006 | EP1615869A1 Thermal rectification method, and rectifying column |
| 01/18/2006 | EP1490166A4 Methods and apparatus for mixing fluids |
| 01/18/2006 | CN2751858Y Gas-liquid contact assembly |
| 01/18/2006 | CN1723080A Support beam for easily polymerizable substance treatment device and easily polymerizable substance treatment device |
| 01/18/2006 | CN1723065A Extractive distillation |
| 01/18/2006 | CN1721024A Compound extraction and rectification method for separating diethoxymethane-ethanol-water mixed solution by charging salt |
| 01/18/2006 | CN1721023A Method for extracting low-concentration acid by gas waste-heat |
| 01/18/2006 | CN1236835C Azeotropic distillation method |
| 01/17/2006 | US6986833 For the preparation of dimethylpropylamine from dimethylamine and propionaldehyde in the presence of hydrogen |
| 01/12/2006 | US20060009657 vapor phase catalytic oxidation; distillation to remove water and acetic acid |
| 01/12/2006 | US20060006056 Process for obtaining fatty acids with improved odor, color and heat stability |
| 01/12/2006 | US20060006055 engineering plants comprising shunts, evaporators, condensers and strippers, used for stripping volatile organic compounds generated from fermentationof biomass in fermentor or bioreactors |
| 01/12/2006 | US20060006054 Improved energy balance and leads to top streams and bottoms streams having a lesser degree of impurity with regard to methanol and propylene oxide; extractive distillation; propene epoxidation with titanium zeolite fixed bed catalyst |
| 01/11/2006 | EP1614660A1 Fully integrated NF-thermal seawater desalination process and equipment therefor |
| 01/11/2006 | EP1614462A1 Mutlichannel packing element with catalysts |
| 01/11/2006 | EP1614458A1 Method for concentrating water-soluble organic material |
| 01/11/2006 | CN1720290A Polycarbonate molding compounds |
| 01/11/2006 | CN1235858C Method for distillating (methyl) acrylic acid solution |
| 01/11/2006 | CN1235857C Equipment and method for treating compounds easy to be polymerized |
| 01/11/2006 | CN1235841C Method for preparing extract of peanut leaf |
| 01/10/2006 | US6984365 Reactor distribution apparatus and quench zone mixing apparatus |
| 01/10/2006 | US6984293 Azeotropic distillation of cyclic esters of hydroxy organic acids |
| 01/10/2006 | US6984292 Water treatment process for thermal heavy oil recovery |
| 01/10/2006 | CA2185713C Vapor-liquid contact tray and downcomer assembly and method employing same |
| 01/05/2006 | US20060000703 Purification by passing a stream containing (meth)acrylic acid and acetic acid to separation vessel at at least 40,000 lb/hour using a distillation column in which at least two trays in the stripping section have been replaced with a single tray capable of producing a tray pressure drop of 0.02-0.2 psi |
| 01/05/2006 | US20060000702 Method for separating a krypton-xenon concentrate and a device for carrying out said method |
| 01/05/2006 | DE102004027022A1 Verfahren zur Abtrennung von Ammoniak und Wasser aus Lactam-haltigen Gemischen A process for the removal of ammonia and water from lactam containing mixtures |
| 01/05/2006 | DE10024418B4 Kurzwegverdampfer Short-path |
| 01/04/2006 | EP1610877A1 Combined liquid collector and mixer for mass transfer column |
| 01/04/2006 | CN1717269A Method and device for hydrolytically obtaining a carboxylic acid and alcohol from the corresponding carboxylic ester |
| 01/04/2006 | CN1715265A Process for separation of aqueous amine solutions by distillation |
| 01/04/2006 | CN1234751C Method for removing volatile components from polymer solutions |
| 01/04/2006 | CN1234667C Method for recovering crude 1, 3-butadiene by extracting distillation from C4 cut |
| 01/03/2006 | US6982026 Mixing a feed stream that comprises at least one of an organic acid or an organic acid amide and at least one azeotroping agent; heating to produce heteroazeotrope vapor stream; separating the first vapor stream; producing first bottoms |
| 12/29/2005 | WO2005123221A2 Decontamination of process streams |
| 12/29/2005 | DE102004026626A1 Verfahren zur destillativen Trennung von wässrigen Aminlösungen Process for the separation by distillation of aqueous amine solutions |
| 12/29/2005 | CA2570527A1 Decontamination of process streams |
| 12/28/2005 | EP1608448A2 Ethanol distillation with distillers soluble solids recovery apparatus |
| 12/28/2005 | EP1608447A1 Low capital implementation of distributed distillation in ethylene recovery |
| 12/28/2005 | EP1608446A1 Purification of fluid compounds utilizing a distillation-membrane separation process |
| 12/28/2005 | EP1438544B1 Distributor for micro-quantities of liquid |
| 12/28/2005 | EP1230202B1 Method for producing 4-chlorobiphenyl |
| 12/28/2005 | EP1220829B1 A method of producing ethyl acetate and an equipment for carrying out this method |
| 12/28/2005 | EP1066100B1 Spent caustic pretreatment and enhanced oxidation process |
| 12/28/2005 | EP0765369B1 Process for the removal of mercaptans and hydrogen sulfide from hydrocarbon streams |
| 12/28/2005 | CN1713954A Bolted collector for vapor liquid contacting vessel |
| 12/28/2005 | CN1713953A Configurations and methods for ribbed downcomer wall |
| 12/22/2005 | US20050280169 Gas-liquid contact tray with fixed valves for mass transfer |