Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
06/1996
06/27/1996DE4446417A1 Gas-liquid exchange column, esp. for absorption
06/26/1996EP0718583A1 Inlet/outlet chamber for fluid and apparatus for circulation of the fluid
06/26/1996EP0718582A1 Apparatus for circulation of fluid
06/26/1996EP0718266A2 Process for obtaining separate streams of methanol and ethanol, N-propanol, isobutanol from mixtures containing these alcohols
06/26/1996EP0717654A1 Method of recycling cleaning solvent
06/25/1996USRE35283 Heating water, condensing steam to remove impurities
06/24/1996CA2166033A1 Fluid inlet/outlet chamber and corresponding fluid circulation apparatus
06/22/1996CA2165732A1 Process for obtaining separate streams of methanol and ethanol, n-propanol, isobutanol, which can be used in the synthesis of products with a high octane number, from mixtures containing these alcohols with water and other low-boiling a d high-boiling compounds
06/22/1996CA2165719A1 Fluid circulation apparatus
06/20/1996WO1996018704A1 Process for the removal of mercaptans and hydrogen sulfide from hydrocarbon streams
06/20/1996WO1996018444A1 A condenser cooling and temperature control system
06/20/1996DE4444891A1 Efficient operation of distillation column under extreme loading variations
06/19/1996EP0716867A1 Method of and apparatus for distillation under reduced pressure
06/19/1996EP0524938B1 Extractive distillation
06/18/1996US5527980 Regeneration of hydrogen fluoride alkylation catalyst
06/13/1996WO1996017665A1 Separation process
06/13/1996WO1996017664A1 Combined heating and cooling apparatus and method therefor
06/13/1996DE4443292A1 Distributor for introducing fluids in upwards direction into vessel
06/12/1996EP0715662A1 Ironing aid composition
06/11/1996US5525271 Liquid-vapor contact device
06/11/1996US5525200 Low temperature vacuum distillation apparatus
06/06/1996WO1996016904A1 Apparatus for the purification of water contaminated with oil
06/06/1996WO1996016711A1 Facility for the vacuum distillation of a liquid product
06/06/1996CA2205558A1 Apparatus for the purification of water contaminated with oil
06/05/1996EP0714906A1 Process for the distillatory separation of fatty alcohols from alkylpolyglycoside solutions
06/05/1996EP0465570B1 Process for using tower packing cartridge
06/05/1996EP0454719B1 A continuous process for the production of carboxylic acid esters
06/04/1996US5523515 Method of separating and purifying spent solvent generated in nuclear fuel cycle
06/04/1996US5523062 Catalytic distillation distribution structure
06/04/1996US5523061 Reaction section divided into several beds by separating plates; permits greater contact between reactants and catalyst
06/04/1996CA2164281A1 Process for the removal of fatty alcohol from fatty alcoholic alkylpolyglycoside solutions by distillation
06/04/1996CA2164279A1 Process for working up fatty alcohol alkylpolyglycoside solutions by distillation
06/04/1996CA2164277A1 Process for the removal of fatty alcohols from alkylpolyglycoside solutions by distillation
05/1996
05/30/1996DE4442318A1 Distillative purificn. of detergent materials in aq. soln., emulsion or suspension
05/30/1996DE4441749A1 Appts. for gas cooling with direct liquid injection
05/29/1996EP0713414A1 Method and installation for bringing a gas and a liquid into contact with one another
05/29/1996EP0713413A1 Preparation of high purity elements
05/29/1996EP0713411A1 Distributor plate and evaporator
05/29/1996CN1123306A On-line optimizing and controlling method of balanced microcomputer for producing processed materials by gas separation unit
05/28/1996US5520858 Liquid vaporizing apparatus
05/28/1996US5520857 Liquid agent evaporator
05/28/1996US5520723 Method and system for reducing air pollution from natural gas dehydrators
05/21/1996US5518699 Acid catalysts in columns, packing material, alkylation of aromatic compounds and distillation
05/21/1996US5518668 Air stripper arrangement
05/21/1996US5518667 Liquid distributor for heat and mass exchange device, distillation column comprising such a distributor and use of such a column for distillation of air
05/21/1996US5518637 Treatment of wastes with ozone in the presence of iron catalyst and second metal, removal of precipitate of second metal
05/15/1996EP0662856A4 Recovery of phenol from low concentrations with sodium sulfate.
05/15/1996CN1122365A Low-energy consumption concentration treating process of waste alcohol stillage
05/14/1996US5516465 Method and apparatus for vapor distribution in mass transfer and heat exchange columns
05/09/1996DE19510023C1 Energy efficient evaporative separator for oil and water, including stable emulsions
05/07/1996US5514336 Automated evaporator for chemical analyses
05/07/1996US5514305 Bubble tray
05/07/1996US5514251 Process for the removal of water from a solution by azeotropic distillation and process for the production of a hydrofluoroalkane
05/07/1996US5513834 Preparation of high purity elements
05/07/1996US5513497 Separation of fluid mixtures in multiple distillation columns
05/07/1996US5513494 Ocean thermal energy conversion (OTEC) system
05/01/1996EP0709119A1 Liquid-vapour contact device
04/1996
04/30/1996US5512142 Process and device for purifying organically polluted waste water
04/30/1996US5512140 In-service cleaning of columns
04/25/1996WO1996011732A1 Apparatus configuration and method of treating process condensate
04/25/1996DE4437149A1 Process for direct expansion and evaporation for refrigerant
04/24/1996EP0708072A1 Process for obtaining pure benzene and pure toluene
04/24/1996EP0707885A1 Structured packing with improved capacity for rectification systems
04/24/1996CN2225287Y Separator
04/23/1996US5510568 Process for the removal of mercaptans and hydrogen sulfide from hydrocarbon streams
04/23/1996US5510089 Method for operating a distillation column reactor
04/23/1996US5510061 Non-welded support plate member
04/23/1996US5510006 Process for separation of vanillin by means of azeotropic distillation with dibenzyl ether
04/23/1996US5509996 Method of evaporating and cooling liquid
04/17/1996EP0706810A1 Contact tray apparatus and method
04/17/1996EP0706416A1 Distillative method of recovering glycols from used antifreeze agents
04/17/1996EP0706415A1 Multi-cell heating system
04/16/1996US5507921 Introducing gas stream into quench liquid, passing through fractional distillation trays, removing 1,2-dichloroethane, vinyl chloride, and hydrogen chloride
04/16/1996US5507356 Column having integrated heat exchanger
04/11/1996DE19506499A1 Distilled water assembly
04/10/1996EP0705630A1 Distilling apparatus with controlled vapour flow
04/10/1996EP0705126A1 Heat transfer apparatus with positive drive orbital whip rod
04/10/1996EP0393029B2 Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solvents
04/10/1996CN1119960A Enhanced capacity multiple-downcomer fractionation tray
04/10/1996CN1119959A A process and a device for seperating a solid residue from its solution in a strirred bed of material
04/04/1996WO1996009873A1 Liquid distributor for columns
04/04/1996WO1996009872A1 Liquid distributor for an evaporator
04/03/1996EP0704232A1 Liquid distributor for columns
04/03/1996EP0703821A1 Catalytic distillation structure
03/1996
03/31/1996CA2133398A1 Distillation column for integrated ethanol production and animal feeding system
03/27/1996EP0703002A1 Regeneration of hydrogen fluoride alkylation catalyst
03/27/1996EP0702990A1 Enhanced capacity multiple-downcomer fractionation tray
03/27/1996EP0542918B1 Liquid distributor for gas-liquid contact apparatus
03/27/1996CN1119266A Steam separating technique in vacuum system and device
03/26/1996US5501776 Process for the regeneration of a desiccant
03/26/1996US5501079 In which main and distribution channels are closed at leasta portion of their top; rectification by countercurrent exchange between vapor and lifquid phase
03/21/1996WO1996008442A1 Method and apparatus for preparing high purity hydrogen bromide
03/20/1996EP0701533A1 Method of producing ultra high purity monosilane and apparatus therefor
03/20/1996CN2222553Y Defoaming gas distributor
03/20/1996CN1118995A Improved distillative separation process by steaming for mixtures of multiple substances
03/20/1996CN1118867A Method and apparatus for refrigerant reclamation
03/19/1996US5500097 Method for removing organic compound in water
03/19/1996US5500096 Method of concentrating less volatile liquids
03/19/1996US5500095 Distillation, purification
03/14/1996WO1996007474A1 Method for in-situ modernization of a urea synthesis reactor