Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
08/2001
08/02/2001DE10004311A1 Destillative Reinigung von Ammoniak Purification by distillation of ammonia
08/02/2001CA2398494A1 Solid alkylbenzene sulfonates and cleaning compositions having enhanced water hardness tolerance
08/01/2001EP1119556A1 Method for preparing melamine
08/01/2001EP1119400A1 Process for the simultaneous treatment and fractionation of light naphtha hydrocarbon streams
08/01/2001EP0918736B1 Two-step process for alkylation of benzene to form linear alkylbenzenes
08/01/2001CN2440560Y High performance concentrated rectifier
08/01/2001CN2440559Y Destilling extractor
08/01/2001CN1306514A Separatiung azepine derivative from mixture contg. amine and azepine derivative
08/01/2001CN1306450A Process for treatment of waste water
08/01/2001CN1306028A Continuous method and appts. for drying gel shaped polymer and shaping gel
08/01/2001CN1305859A Crossing tray for structural members in space of tower and tube
08/01/2001CN1069127C Steam separating tech in vacuum system and device
07/2001
07/31/2001US6267848 Method for generating vacuum in mass-exchange columns
07/31/2001US6267359 Advanced tray support system using orthogonal grillage
07/31/2001US6266880 Process for producing a material and heat exchange device
07/31/2001CA2251436C Distillation process to separate mixtures containing three or more components
07/26/2001DE4336984C2 Kolonne für überhitzte Flüssigkeiten Column of superheated liquids
07/26/2001DE10002806A1 Chemical column stripper inlet feed separated by gap from strengthened inlet chamber adjacent to stripper chamber
07/25/2001EP1117630A1 Process for purification of alkyl alkanoate
07/25/2001EP1021428B1 Process for distilling ethylene oxide
07/25/2001CN1305392A Process for recovery of olefinically unsaturated nitriles
07/25/2001CN1304776A Parallel connection technology for flash tanks of terephthalic acid mother liquid
07/24/2001US6265452 Synthesis gas
07/24/2001US6264895 Pan, enclosure, air drawing source
07/24/2001US6264800 Purification process
07/24/2001US6263701 Higher pressure and a lower pressure column with thermal linking by condensing vapors providing boilup for second column; recovering electronic-grade oxygen from a standard-grade oxygen supply
07/24/2001US6263700 Multieffect distillation for multicomponent separation
07/19/2001WO2001051475A1 Working up a mixture comprising alkene and oxygen
07/19/2001US20010008048 Continuous process and apparatus for the drying and gel formation of solvent-containing gel-forming polymers
07/19/2001DE10001401A1 Verfahren zur Aufarbeitung eines Alken und Sauerstoff umfassenden Gemisches Method for processing an alkene and oxygen mixture comprising
07/19/2001DE10001256A1 Continuous drying and gel formation of polymers containing solvents, e.g. cellulose ether, involves flash evaporation at reduced pressure
07/19/2001CA2396406A1 Working up a mixture comprising alkene and oxygen
07/18/2001EP1116728A1 Continuous process and apparatus for drying and gel formation of gelable and solvent containing polymers
07/18/2001EP1115476A1 Tray contactor with same-direction liquid flow
07/18/2001EP1115464A1 Liquid purifying distillation process
07/17/2001US6262314 From petroleum feedstock
07/17/2001US6261412 Flash stations produce heated vapor in lower temperature clean condensate, heated vapor is used to heat the foul condensate to steam stripping temperature; energy integrated into existing process areas; cellulose and kraft pulp mills
07/17/2001CA2296154A1 Portable humidifier
07/14/2001CA2330714A1 Continuous process and apparatus for the drying and gel formation of solvent-containing gel-forming polymers
07/11/2001EP1114856A1 Process for the elimination of mercury and arsenicum from hydrocarbon destillates
07/11/2001EP1113848A1 Method for evaporating polymer solutions of thermoplastic polymers
07/11/2001CN1303317A Structured packing and element therefor
07/11/2001CN1302679A Gas-liquid contaction equipment under action of centrifugal force field
07/11/2001CN1302678A Multi-stage gas-liquid contaction equipment under action of centrifugal force field
07/11/2001CN1068235C Enhanced capacity multiple-downcomer fractionation tray
07/10/2001US6258215 System and a rotary vacuum distiller for water recovery from aqueous solutions, preferably from urine aboard spacecraft
07/10/2001CA2219676C Falling film evaporator with refrigerant distribution system
07/05/2001DE19963305A1 Regenerating drying agent, e.g. triethylene glycol used in gas drying, comprises heating the drying agent with a heat carrier agent to remove moisture
07/05/2001DE10000018A1 Reactor vessel has inner lining made of small strips or tiles of material resisting high temperatures and poor thermal conductivity
07/04/2001EP1112769A1 Process for extractive distillation and column for performing the process
07/04/2001EP1112246A1 Microbial process for the preparation of acetic acid as well as solvents for its extraction from the fermentation broth
07/04/2001EP1112120A1 Process and catalyst for making dialkyl carbonates
07/04/2001EP0970018B1 Facility for desalinating or purifying sea water or brackish water by means of solar energy
07/04/2001CN2437387Y Tower tray capable of mounting bubbler in connection zone
07/04/2001CN1302225A Continuous slurry polymerization volatile removal
07/04/2001CN1302218A Liquid phase adsorption process for removing and concentrating heteroatom compounds in hydrocarbons
07/04/2001CN1301689A Device and method for producing (methyl) propenoic acid
07/04/2001CN1067905C Double functional packing type catalytic distillation equipoment and catalyst
07/03/2001US6254735 Process for separating medium boiling substances from a mixture of low, medium and high boiling substances
07/03/2001US6254734 Barometric evaporation process and evaporator
06/2001
06/28/2001WO2001046102A1 Production of phenol using reactive distillation
06/28/2001WO2001045834A1 Distribution of gas and liquid in a contact device
06/28/2001WO2001045819A1 System and method for purifying and distributing chemical gases
06/28/2001WO2001045817A1 Liquid distribution in a contact device
06/28/2001US20010005763 A reboiler of a distillation column for producing acrylic or methacrylic acid by catalytic gas phase oxidation, wherein at least a part of reboiler is made of a nickel-chromium-iron alloy with molybdenum 3 to 20 mass %, but not including 3%
06/28/2001DE19958464A1 Verfahren zur Extraktivdestillation und Kolonne zur Durchführung des Verfahrens A process for the extractive distillation column and for performing the method
06/27/2001EP1110588A1 Apparatus for separating by distillation and process for cleaning vaporizer-condensor of the apparatus
06/27/2001EP1109607A1 Cascade reboiling of ethylbenzene/styrene columns
06/27/2001CN1300930A Distilling process for multi-component fluid and process for production of stream with rich argon by low temperature separating process
06/27/2001CN1067598C Plate tower for mass-transfer process with thermal reaction
06/26/2001US6252126 Method for producing ethylbenzene
06/26/2001US6252125 Liquid phase chlorination of ethylene to form title compound and heavy-ends by-products, fractionation within heavy-ends and vacuum columns using a portion of the product stream from the direct chlorination reactor to heat the column bottoms
06/26/2001US6252110 Distillation of high boiling impurity mixture containing acrylic acid, dimer acid and maleic acid within an acrylic acid recovery column with subsequent pyrolysis of dimer acid from bottoms liquid
06/26/2001US6251228 Photopolymer washout fluid solvent distillation apparatus and method
06/26/2001US6250611 Vapor-liquid contact apparatus
06/26/2001US6250106 Separation of multicomponent feed into one stream rich in most volatile, one stream rich in least volatile, and two streams rich in intermediate volatility
06/23/2001CA2329490A1 Distillation separation apparatus and method of cleaning a reboiler/condenser of the apparatus
06/21/2001WO2001044150A2 Continuous process for the preparation of polytrimethylene ether glycol
06/21/2001WO2001043844A1 High-capacity vapor/liquid contacting tray
06/21/2001CA2371863A1 High-capacity vapor/liquid contacting tray
06/20/2001EP1108966A1 Process for separation of multicomponent fluids using a multizone distillation column
06/20/2001EP1108965A1 Process for distillation of multicomponent fluid suitable for production of an argon-enriched stream from a cryogenic air separation process
06/20/2001EP0938469B1 Process for purifying acrylonitrile
06/20/2001CN1299704A Catalytic distillation component
06/20/2001CN1299703A Efficient part for catalytic distillation tower
06/20/2001CN1299691A Axial-flow surface renewing aquipment with forced internal circulation
06/19/2001CA2219646C Falling film evaporator with vapor-liquid separator
06/19/2001CA2010972C Process and device for separating a mixture of ingredient substances from the extracting agent
06/14/2001WO2001042187A1 Method and apparatus for the continuous production of diaryl carbonates
06/14/2001WO2001041894A1 New dimensions in reactive distillation technology
06/14/2001US20010003555 System and method for continuously reprocessing waste sulfuric acid liquid, and heater supporting structure for a heating vessel made of glass
06/14/2001CA2389022A1 New dimensions in reactive distillation technology
06/13/2001EP1105374A1 Lactam dehydration method
06/13/2001EP1085929A4 Co-current contacting separation tray design and methods for using same
06/13/2001DE19963017A1 Operating a partitioned distillation column for separating materials whose boiling points are close together, e.g. haloorganosilane mixtures, comprises controlling material flow using differences in density
06/13/2001CN1299296A Device and method for distillation
06/13/2001CN1298751A Tower plate for gas-liquid mass transfer
06/13/2001CN1066973C Nitrogen circulation stripping process and equipment thereof
06/12/2001US6245727 Discontinuous process for conducting a heterogeneously catalyzed reaction and installation for heterogeneously catalyzed manufacture of products
06/07/2001WO2001040115A1 A method for cleaning objects by means of a heated liquid and a plant for the accomplishment of said method