Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
06/2001
06/07/2001WO2001039856A1 Strand evaporator
06/06/2001CN2432995Y Plate rectifying tower combined with grid, sieve and long spray hole on plate
06/06/2001CN1066637C Flat structure element and filling lining composed of same
06/05/2001US6242661 Process for the separation of isobutene from normal butenes
06/05/2001US6240744 Using a distillation column having a partitioned section to recover components of different volatilities, minimizing vapor and liquid maldistribution
06/05/2001CA2059491C Process and apparatus for mass transfer between liquid and gaseous media
05/2001
05/31/2001WO2001038283A1 Purification of aqueous solutions of organic acids
05/31/2001WO2001005914A3 Separating facility for separating a polyglycol and ethylene mixture
05/31/2001DE19957458A1 String evaporator used for removing volatile components has a product distributor formed as a pipe distributor having parallel nozzle pipes with openings in the pipe wall
05/30/2001EP1103295A2 Oil separating apparatus for oil containing substance and method therefor
05/30/2001EP1102720A1 Method for distilling ammonia
05/30/2001CN1066349C High capacity tray for gas-liquid contact apparatus
05/29/2001CA2326284A1 Oil separating apparatus for oil containing substance and method therefor
05/25/2001WO2001036066A2 Catalytic distillation reactor
05/25/2001WO2001003810A3 sAPOUR MANAGEMENT SYSTEM
05/25/2001CA2396581A1 Catalytic distillation reactor
05/24/2001US20010001450 Multi-stage countercurrent hydrotreating process
05/23/2001EP1100615A4 High-capacity vapor/liquid contacting device
05/23/2001EP1100615A1 High-capacity vapor/liquid contacting device
05/23/2001CN1296006A Process for preparing alkali metal salt of L-ascorbic acid
05/23/2001CN1295969A Process for separation and recovery hydrogen chloride from water
05/23/2001CN1066195C Low energy consumption concentration treating process of waste alcohol stillage
05/22/2001US6235162 Fractional distillation, flashover distillation
05/22/2001US6235088 Alcohol separator for an alcohol solution
05/17/2001WO2001034266A1 Device and method for separation of liquid hazardous waste
05/17/2001WO2001002535A3 The method of ethanol production without the rise of distiller's stillage
05/17/2001WO2001000533A8 Method and device for distilling a liquid substance from a solution, especially for the purpose of desalination of seawater
05/17/2001DE19954511A1 Verfahren zur Herstellung von Alkalisalzen der L-Ascorbinsäure A process for preparing alkali metal salts of L-ascorbic acid
05/16/2001EP1099697A1 Process for the preparation of alkali salts of L-ascorbic acid
05/16/2001EP1099666A1 Method for separating hydrogen chloride and water from an aqueous hydrogen chloride solution
05/16/2001CN2430202Y Portable micro glass experiment instrument
05/16/2001CN1295058A Distillation method of solution with easy-to-polymerize material
05/16/2001CN1295055A Tower processing method and equipment
05/16/2001CN1294936A Convective column plate
05/15/2001US6232509 Etherification process
05/15/2001US6231765 Process for making polymeric complex from residual or by-product effluents from distilleries
05/10/2001DE19953302A1 Process for working up contaminated halogen-free and/or halogen-containing solvents and/or solvent mixtures comprises charging solvents and/or solvent mixtures from delivery buffer via pump to conical sedimentation tank
05/10/2001DE10051523A1 Process for material and/or energy exchange in a wash column comprises introducing liquid for the uniform distribution via a number of flow points of a liquid distributor and dividing the liquid streams into a number of partial streams
05/10/2001CA2325325A1 Method for separating hydrogen chloride and water from an aqueous hydrogen chloride solution
05/09/2001EP1098008A1 Evaporator
05/09/2001EP1097985A1 A Method of chromatographic isolation for non-glyceride components
05/09/2001EP1097947A1 Device and method for removing unreacted monomer from polymer latex
05/09/2001EP1097742A1 Distillation process for easily polymerizable substance-containing solution
05/09/2001EP1097741A2 Column treating process and apparatus therefor
05/09/2001EP1096995A1 Structured packing and element therefor
05/09/2001EP1096992A1 Vapor/liquid contacting cyclone with devices to prevent backmixing
05/09/2001EP1096982A1 Process for the treatment of waste water
05/09/2001CN1294028A Distillation appts. and distillation process
05/09/2001CN1065446C Parallel jet compounding tower
05/08/2001US6227524 High speed mass transfer tray
05/08/2001US6227214 Vapor containment and recovery system on a general parts washer apparatus
05/08/2001CA2170365C Method of recycling cleaning solvent
05/02/2001EP1095685A1 Distillation apparatus and distilling method
05/02/2001EP1094873A1 Method for isolating polymers from solutions
05/02/2001CN1293592A Continuous slurry polymerization volatile removal
05/02/2001CN1293185A Purification of (methyl) acrylic acid hydroxy alkyl ester
05/02/2001CN1065234C Process for preparing carbonate esters
05/02/2001CN1065226C Process for recovery of strong acid from aqueous solution
05/02/2001CN1065147C All-effective zone column plate
05/01/2001US6224716 Apparatus for dehydrating oil
05/01/2001US6224043 Downcomers for vapor-liquid contact trays
04/2001
04/26/2001WO2001028932A1 Method and device for treating leachates produced by storage of waste
04/26/2001WO2001028648A1 Method and device for material and/or energy exchange in a wash column
04/25/2001EP1093850A2 Packed column and polymerizable compound treating method using the same
04/25/2001EP1093398A2 Microcomponent assembly for efficient contacting of fluid
04/25/2001EP1093389A1 Process for recovery of olefinically unsaturated nitriles
04/24/2001US6221133 Fluid separation packing
04/19/2001WO2001027120A2 Method and apparatus for purifying low grade acetonitrile and other constituents from hazardous waste
04/19/2001WO2001027065A1 A method of producing ethyl acetate and an equipment for carrying out this method
04/19/2001WO2001027062A2 Process and device for hydrolytically obtaining a carboxylic acid and alcohol from the corresponding carboxylate
04/19/2001DE19949534A1 Ammonia recuperation plant comprises absorption columns, preparation columns and concentration columns
04/18/2001EP1092467A2 Apparatus, method for enrichment of the heavy isotopes of oxygen and production method for heavy oxygen water
04/18/2001CN1291522A Suspended downspout
04/18/2001CN1291521A Method for preparing concentrated solution
04/18/2001CN1064663C Process for preparation and fractionation of mixture of dimethyl ether and chloromethane with water as extractant
04/18/2001CN1064661C Process and system for alkylation of aromatic compounds
04/17/2001US6217711 Method of treating condensates
04/12/2001WO2001025221A1 Process for the preparation of melamine
04/12/2001WO2001024902A1 Fractionation tray with dispersed pattern downcomers
04/12/2001WO2001024901A1 Vapor-liquid contact apparatus
04/11/2001EP1090904A2 Purification process for hydroxyalkyl (meth)acrylate
04/11/2001EP1090663A1 Process for the manufacture of concentrated solutions
04/11/2001EP1089796A1 A method for desorption of one or more compounds from an absorbent solution and use thereof
04/11/2001CN2426377Y T-row guide strip type float valve tray
04/11/2001CN1290687A Dimethyl carbonate as extraction solvent
04/11/2001CN1290565A Oblique hole corrugated plate
04/10/2001US6214174 Tray column for capturing purified liquid; support; discharging aperture
04/10/2001US6214173 On-site manufacture of ultra-high-purity nitric acid
04/05/2001WO2001023062A1 Phase separator having multiple separation units, upflow reactor apparatus, and methods for phase separation
04/05/2001WO2001023061A2 Recovery process for volatile compounds from solids in aqueous solution
04/05/2001DE19947246A1 Kolonnentrennwand Column partition
04/05/2001CA2379624A1 Recovery process for volatile compounds from solids in aqueous solution
04/04/2001EP1088578A1 Vaporizer-condenser with thermosiphon and corresponding air distillation plant
04/04/2001EP1088577A1 Dividing wall
04/04/2001EP1088576A1 Liquid withdrawing tray for purification column, purification column and method for purification
04/04/2001EP1087827A1 Liquid-phase adsorption process for removing and concentrating heteroatom compounds in hydrocarbons
04/04/2001EP0879313B1 Filter regeneration and dry cleaning system
04/04/2001CN1289626A Purification method and tower, and liquid seperating tower tray therefor
04/04/2001CN1289625A Isoprobability-type self-distributed filler tower
04/03/2001US6211331 Static mixer; injector; flash tank