Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
08/2002
08/01/2002DE10123457C1 Brennereieinrichtung Distillery equipment
07/2002
07/31/2002EP1189884A4 Removal of contaminants from n-methyl-2-pyrrolidone
07/31/2002EP0994090B1 Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides
07/31/2002CN1361756A Process for the separation of isobutene from normal butenes
07/31/2002CA2369718A1 A process for the enzymatic preparation of enantiopure 1,3-dioxolan-4-one and 1,3-oxathiolan-5-one derivatives
07/30/2002US6425574 Mixed-resistance structured packing
07/25/2002WO2002058141A1 Carburetor, various types of devices using the carburetor, and method of vaporization
07/25/2002WO2002057392A1 Production method for light petroleum products and device for carrying out said method
07/25/2002WO2002056990A1 Apparatus and method for water purification using solar energy
07/25/2002WO2002056989A2 Distiller employing cyclical evaporation-surface wetting
07/25/2002WO2002012803B1 Improved aqua-ammonia absorption system generator utilizing structured packing
07/25/2002US20020099163 Forming in pre-reaction unit mixture containing a bis(hydroxyaryl) compound and diaryl carbonate, introducing mixture through top of reactive rectification column to react and produce polycarbonate; eliminating hydroxyary compound
07/25/2002US20020098123 Liquid withdrawing tray for purification column, purification column, and method for purification
07/25/2002DE10112465C1 Apparatus for determining residual substances in rinsing solutions comprises receiver shell for rinsing solution and guide system for producing flow of warmed air towards shell center
07/24/2002EP1224962A2 Process for separating liquid azeotropic mixtures
07/24/2002EP1224176A1 Process for the preparation of melamine
07/24/2002EP1224021A1 Device for preparing transformers
07/24/2002EP0963367B1 Process for preparing alkyl ethers and mixtures thereof
07/24/2002EP0931042B1 Process for concurrent selective hydrogenation of acetylenes and 1,2 butadiene in hydrocarbon streams
07/24/2002CN1359849A Recovery of carbon dioxide at high pressure
07/23/2002US6422539 Tray attachment apparatus
07/18/2002WO2002055460A1 Method and device for the distillative processing of 1,6-hexandiol, 1,5-pentandiol and caprolactone
07/18/2002WO2002055187A1 Gas-liquid contact apparatus, gas-liquid contact method, liquid deodorizing method, aromatic component producing method, and food and drink
07/18/2002WO2002022264A8 Method and apparatus for gradient generation
07/18/2002US20020095058 Separation elements with profiled surface and second functionality elements with spaced closed chambers on top of each other and filled with a physically, chemically or biologically active material and having polymeric walls
07/18/2002US20020094581 Method and apparatus for determining temperature of and controlling the evaporation of liquid samples
07/18/2002US20020094313 Such as from catalytic cracking; stripper has a vertical cylinder and a degassing pipe at longitudinal axis, horizontal pipe at lower end of degassing pipe and inner and outer annular baffles
07/18/2002US20020092762 Distiller employing recirculant-flow filter flushing
07/18/2002US20020092761 Apparatus and method for water purification using solar energy
07/18/2002US20020092760 Water purification device
07/18/2002US20020092759 Distiller employing cyclical evaporation-surface wetting
07/18/2002US20020092758 Distiller employing separate condensate and concentrate heat-exchange paths
07/18/2002US20020092757 Apparatus to reduce hazardous gas content of effluent gas exhausted from chamber, comprising reactor lined with consumable material which reacts with gas, source of additive gas, energizer coupling radio frequency or microwave energy
07/18/2002US20020092625 Apparatus for carrying out mass transfer processes
07/18/2002US20020092624 Rotary evaporator employing self-driven recirculation
07/18/2002DE10101942A1 Separating azeotropic mixtures, e.g. of butanol and perchloroethylene from ascorbic acid production, involves distillation with substance which forms lower-boiling azeotropes to give fractions rich in each component
07/18/2002DE10063531A1 System for recovering heat from waste water, comprises feeding it over evaporator plates connected to supply of gaseous coolant, feeding heated coolant to compressor and using energy released to heat domestic water supply via heat exchanger
07/18/2002CA2433073A1 Method and device for the distillative processing of 1,6-hexandiol, 1,5-pentandiol and caprolactone
07/17/2002CN1359365A Method for the separation and purification of an aqueous mixture consisting of the main components acetic acid and formic acid
07/17/2002CN1359001A Method and apapratus for testing distillation property of liquid petroleum products by quick microdistillation
07/17/2002CN1358887A Process for refining solvent used in solution spinning method of polyurethane fibre industry
07/17/2002CN1358666A Process and equipment for preparing basic carbonate nano granule by ammonia complex liquid tower distilling ammonia crystalling
07/16/2002US6420590 Continuous processes and apparatus for forming cyanoacetate and cyanoacrylate
07/16/2002US6419796 Solvent distillation apparatus
07/16/2002CA2367813A1 Process for the production of alcohols
07/11/2002WO2002053250A1 Distillation purification method and device for high-melting organic materials
07/11/2002WO2002053249A2 A gas/liquid contacting apparatus
07/11/2002US20020088704 Distilling the liquid hydrocarbon phase containing the methanol so as to isolate a gas phase consisting of methanol-hydrocarbon azeotropes, mixing gas phase with water, separating into methanol-rich aqueous phase and hydrocarbon
07/11/2002US20020088703 Cleaning wastewater comprising locating wastewater brine into tank; circulating brine under pressure through a heat exchange media to heat brine; decreasing pressure; introducing brine into tank to form steam, removing steam from tank
07/11/2002US20020088701 Heat integrated distillation
07/11/2002DE10100552A1 Verfahren und Vorrichtung zur destillativen Aufarbeitung von 1,6-Hexandiol, 1,5-Pentandiol ung Caprolacton Method and apparatus for working up by distillation of 1,6-hexanediol, 1,5-pentanediol ung caprolactone
07/11/2002DE10064196A1 Apparatus, for production of toluylene diisocyanate and methylenediphenyl diisocyanate, comprises distillation column and/or container and rotating evaporator
07/10/2002EP1221435A1 Process for the recovery of methanol from a liquid hydrocarbon feedstock
07/10/2002EP1220829A1 A method of producing ethyl acetate and an equipment for carrying out this method
07/10/2002EP1220825A2 Process and device for hydrolytically obtaining a carboxylic acid and alcohol from the corresponding carboxylate
07/10/2002EP0931049B1 Process for separating by distillation pure (meth)acrylic acid from mixtures
07/10/2002CA2366751A1 Heat integrated distillation
07/09/2002US6417392 Method for production of alkylamino(Meth)acrylate and apparatus therefor
07/09/2002US6416568 Hydrogen recycle and acid gas removal using a membrane
07/09/2002CA2366031A1 Process for recovering methanol from a liquid hydrocarbon charge
07/09/2002CA2059362C System and device for increasing the yield and the production potential of urea reactors
07/04/2002WO2002051606A1 Device for carrying out material exchange processes
07/04/2002WO2002051530A1 Methods and apparatus for mixing fluids
07/04/2002WO2002000553A3 Controlled cooling of input water by dissociation of hydrate in an artificially pressurized assisted desalination fractionation apparatus
07/04/2002WO2001060489A3 Gas-liquid contacting column
07/04/2002US20020087023 Process and apparatus for isolating organic substances from a gas mixture in which these substances are present
07/04/2002US20020086955 Separating a liquid medium comprising diluent and unreacted monomers from a polymer effluent through a discharge valve
07/04/2002US20020086378 Generation of acetic acid; obtain acetogenic bacteria, remove carbon dioxide from fermentation broth, incubate broth with solvent, continuously distill acetic acid from solvent
07/04/2002DE10150009A1 Verfahren zur Bestimmung der Destillationscharakteristik von flüssigen Erdölprodukten über eine Schnelldestillation im kleinen Maßstab A method for determining the distillation characteristics of liquid petroleum products through a flash distillation on a small scale
07/04/2002DE10144233A1 Vorrichtung zur Durchführung von Stoffaustauschprozessen Apparatus for carrying out mass transfer processes
07/04/2002DE10065797A1 Vorrichtung zur Kondensationsbeschleunigung mit Hilfe strukturierter Oberflächen Device for condensation acceleration using structured surfaces
07/03/2002EP1219912A1 Device for accelerated condensation utilising structured surfaces
07/03/2002EP1219587A1 Process for the production of esters of unsaturated carboxylic acids
07/03/2002EP1218890A2 Process for recycling ionic liquids
07/03/2002EP1218077A1 Vapor-liquid contact apparatus
07/03/2002EP1218075A1 An apparatus for evaporative cooling of a liquiform product
07/03/2002EP1112120A4 Process and catalyst for making dialkyl carbonates
07/03/2002CN1356960A Hydrogen recycle and acid gas removal using membrane
07/02/2002US6414191 Method for the continuous production of methoxyamine hydrochloride
07/02/2002US6413378 An oil apparatus having detectors, thermostats, fluid flow controllers and heaters for the extraction and distillation of petroleum feedstock containing butadiene and butene
07/02/2002CA2217549C Control circuit for water distiller
06/2002
06/30/2002CA2366236A1 Apparatus for accelerating condensation with the aid of structured surfaces
06/27/2002WO2002050159A1 Method for continuos production of polyesters or copolyesters
06/27/2002WO2002050016A2 Process for the simultaneous coproduction and purification of ethyl acetate and isopropyl acetate
06/27/2002WO2002049735A1 Crude oil conditioning apparatus and method
06/27/2002WO2002026642A3 Water purification system
06/27/2002WO2001093973A3 Increased efficiency fractional distillation tray and process
06/27/2002US20020081256 Carbon dioxide recovery at high pressure
06/27/2002US20020081248 Device for separate injection and homogeneous distribution of two fluids
06/27/2002US20020079598 Evaporation device
06/27/2002US20020079597 Apparatus for the collection and distribution of liquid in a column
06/27/2002US20020079259 Column for carrying out an isotope exchange between a liquid substance and a gaseous substance
06/27/2002US20020078622 Process for preparing highly pure raffinate II and Methyl tert-butyl ether
06/27/2002DE10127147A1 Verfahren zur kontinuierlichen Herstellung von Polyestern oder Copolyestern Process for the continuous production of polyesters or copolyesters
06/26/2002EP1216744A1 Carbon dioxide recovery at high pressure
06/26/2002EP1216085A1 Phase separator having multiple separation units, upflow reactor apparatus, and methods for phase separation
06/26/2002EP1216084A1 Apparatus and method for separating mixed liquids
06/26/2002EP1216083A2 Recovery process for volatile compounds from solids in aqueous solution
06/26/2002CN1355058A Composite distillation method and device
06/25/2002US6410804 Production of phenol using reactive distillation