Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
12/1995
12/06/1995CN2214213Y Distilling pot auto-controller
12/06/1995CN1112854A Catalyst medium, catalyst for catalysting processing waste gas and preparation for producing same
12/06/1995CN1112853A Liquid-phase catalyst-assembly for chemical process tower
12/05/1995USRE35107 Solvent extraction using water to recover high purity isopropyl acetate raffinate and ethanol rich raffinate, fractional distillation of the two streams, solvent extraction
12/05/1995US5473082 Device for carrying out catalyzed reactions
12/05/1995US5472576 Process for the recovery of industrial solvents and diluents from industrial waste
12/05/1995US5472574 Spinning band
12/01/1995CA2147320A1 Use of propylene oxide adducts in the purification of propylene oxide by extractive distillation
12/01/1995CA2146409A1 Use of mixed polyoxypropylene glycols in the extractive distillation of propylene oxide
11/1995
11/30/1995WO1995032166A1 Alkylation of organic aromatic compounds
11/30/1995DE4418648A1 Sequential batch distillation process
11/29/1995EP0684221A1 Process for preparing carbonate esters
11/29/1995EP0684060A2 Process and apparatus for separating by destillation of mixtures of matérials
11/29/1995CN1112670A Process and installation for the separation of a gaseous mixture by cryogenic distillation
11/28/1995US5470542 Catalyzing fixed bed reactor
11/28/1995US5470478 Apparatus and method for stripping and absorption of volatile materials
11/28/1995US5470441 Packed column vaporizer and vaporizing process
11/23/1995WO1995031430A1 Process and device for recovering amines and use of residues obtainable thereby
11/23/1995WO1995031278A1 Reactor for two-phase reactions, in particular for urea synthesis at high pressure and temperature
11/23/1995DE4437702C1 Recovering pure benzene@ and toluene@ from aromatic hydrocarbon starting product
11/22/1995CN2213014Y Upright alcohol recovery tower
11/21/1995US5468425 Gas-liquid contact apparatus including trays with vapor apertures in overlapping panel margins
11/21/1995CA1337598C Silicone oil recovery
11/15/1995EP0682218A1 Method and apparatus for refrigerant reclamation
11/15/1995EP0664723A4 Internals for distillation columns including those for use in catalytic reactions.
11/15/1995EP0664722A4 Catalytic reaction and mass transfer structure and process employing same.
11/15/1995EP0625924B1 Improved exhaust vapour disposal process during overheated steam drying
11/14/1995US5466419 Polymerization reactor
11/14/1995US5466344 Method and apparatus for controlling water-based liquid waste
11/09/1995WO1995029752A1 Split flow reactor trays for vertical staged polycondensation reactors
11/09/1995WO1995029745A1 Vapor-liquid contact tray and downcomer assembly and method employing same
11/07/1995US5464876 Heating polyvinyl chloride to 250-500 degrees C. in absence of oxygen to form hydrogen chloride, carbon-containing residue, and distillate containing carboxy ester plasticizer; recovering plasticizer by fractional distillation
11/07/1995US5464573 Liquid collector-distributor with integral exchange column and method
11/07/1995US5464531 Portable water purification system
11/07/1995US5464505 Ethylene glycol polymer with propylene oxide
11/07/1995US5464504 Inferential correction of composition for a distillation analyzer
10/1995
10/31/1995US5463168 Catalytic conversion to ammonia with magnesia/silica, stannic oxide, lithium oxide and vanadia/titania in presence of water;
10/31/1995US5463156 Aromatization of polyclyclic ompounds; evaporation, liquefying using carbon pellets and platinum catalyst
10/31/1995US5463113 Process and apparatus for producing terephthalic acid
10/31/1995US5462719 Column having zone with divider plates, perforated cylindrical baffles and nozzles for controlling flow and turbulence of fluids and gases
10/31/1995US5462643 Method for reprocessing solvent mixtures containing constituents of low volatility and apparatus suitable therefor
10/31/1995CA1337479C Removal of volatile acids from aqueous solutions
10/26/1995DE4430839A1 Workpiece cleaning plant
10/26/1995DE4419129C1 Sepn. column process and assembly
10/25/1995EP0678317A1 Process and plant for separating a gas mixture by cryogenic distillation
10/25/1995EP0678116A1 Process for recovery of tank bottom wastes
10/25/1995CN1110868A High capacity tray for gas-liquid contact apparatus
10/24/1995US5461178 Catalytic stripping of hydrocarbon liquid
10/19/1995WO1995027545A1 Automated high efficiency chemical processor
10/19/1995DE4431400C1 Verfahren und Vorrichtung zur Regelung und Steuerung einer Destillations- oder Kondensationsapparatur Method and device for regulating and controlling a distillation or condensation apparatus
10/18/1995EP0677313A2 Stripping of volatile substances from less volatile fluids
10/18/1995EP0640000A4 Improved fluid distillation apparatus and method.
10/17/1995US5458739 Volatiles separator and concentrator
10/17/1995CA1337369C Process and apparatus for the devolatization of polymer solutions
10/12/1995WO1995026927A1 Method of producing ultra high purity monosilane and apparatus therefor
10/12/1995DE19506017A1 Surface treatment chamber for industrial parts
10/12/1995CA2146730A1 Catalyst means for the catalytic treatment of exhaust gas, catalytic converter and process for the production of the catalyst means
10/11/1995EP0676534A1 Catalytic means for the catalytic treatment of exhaust gases, catalytic converter and manufacturing method of the catalytic means
10/11/1995CN1109965A Atmospheric gas separation method
10/10/1995US5457277 Multiple reboiler system
10/10/1995US5456865 Matter-conductive crown element for the packing of a matter-exchange column
10/10/1995US5456823 Process for dehydration and/or desalination and for simultaneous fractionation of a petroleum deposit effluent
10/10/1995US5456805 Purification process for cyclic formals
10/04/1995EP0675099A1 Process for the purification of ethyl tert-butyl ether combining a membrane process and a distillation
10/04/1995EP0674542A1 A process vessel.
10/03/1995US5454989 Vapor-liquid contact apparatus
10/03/1995US5454913 Concurrent catalytic reaction with distillation of fluid streams within the column
10/02/1995EP0693957A4 A multiple stage suspended reactive stripping process and apparatus
09/1995
09/28/1995WO1995025583A1 Vapor-liquid contact apparatus
09/28/1995WO1995025571A1 Column for counter-currently contacting gas and liquid
09/27/1995EP0673352A1 Process and reactor system for oligomerization of olefins
09/27/1995EP0673274A1 Method for removing organics from aqueous medium
09/27/1995EP0418338B1 Multiple vortex-mixing insert
09/27/1995CN1109094A Integrated process for upgrading middle distillate production
09/27/1995CN1109093A Integrated distillate recovery process
09/26/1995US5453222 Contact tray apparatus and method
09/26/1995US5453177 Integrated distillate recovery process
09/26/1995US5453165 System and method for reducing hydrocarbons in wastewater
09/26/1995US5453160 Use of mixed polyoxypropylene glycols in the extractive distillation of propylene oxide
09/26/1995US5453158 Polymer devolatilizer
09/26/1995CA2058429C Tower packing cartridge
09/21/1995WO1995024956A1 Distillation apparatus
09/21/1995DE4409236A1 Base for a material exchange column
09/20/1995CN2207865Y Reflex ratio controller
09/19/1995US5451300 Destroying compounds with heat generated by exothermic reaction
09/14/1995WO1995024628A1 Tissue processing
09/14/1995WO1995024252A1 Polymer devolatilizer incorporating improved flat plate heat exchanger design
09/14/1995CA2180557A1 Polymer devolatilizer incorporating improved flat plate heat exchanger design
09/13/1995EP0671594A1 Atmospheric gas separation method
09/13/1995EP0671207A1 Flat structural element and packing formed thereof
09/13/1995EP0494154B1 Method and apparatus for separation processes
09/13/1995CN1108299A Reclamation of used lubricating oil
09/13/1995CN1108232A Process to recover benzene from mixed hydrocarbons
09/12/1995US5449501 Apparatus and process for catalytic distillation
09/12/1995US5449440 Fractionation
09/08/1995WO1995023781A1 Process for the production of cyclohexyladipates and adipic acid
09/08/1995WO1995023657A1 General parts washer
09/06/1995EP0670178A2 Liquid-phase catalyst-assembly for chemical process tower
09/06/1995EP0424445B1 Heterogeneous isoparaffin/olefin alkylation process
09/06/1995CN1029664C Devolatilization
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