| Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025) |
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| 07/05/1994 | US5326482 On-line acid monitor and neutralizer feed control of the overhead water in oil refineries |
| 07/05/1994 | US5326436 Fractionator feed method |
| 07/05/1994 | CA1330527C Method of treating photographic process waste liquor through concentration by evaporation and apparatus therefor |
| 06/29/1994 | EP0603926A1 Method and device for distilling at least one predetermined liquid |
| 06/29/1994 | CN1088471A Purification of argon by cryogenic adsorption |
| 06/28/1994 | CA2059264C Multistage evaporating system |
| 06/23/1994 | WO1994013599A1 Process and reactor system for oligomerization of olefins |
| 06/23/1994 | WO1994013398A1 A process vessel |
| 06/23/1994 | WO1994013375A1 Method for removing organics from aqueous medium |
| 06/23/1994 | DE4243309A1 Pure vapour recovery from desorbtion |
| 06/23/1994 | CA2151823A1 A process vessel |
| 06/23/1994 | CA2149768A1 Method for removing organics from aqueous medium |
| 06/22/1994 | CN2169465Y Tower disc type small diameter plate column |
| 06/16/1994 | DE4311717C1 Distillation esp. of crude oil in pre- and main columns - includes using temp.-matched side stream feed to reduce external heating energy requirements |
| 06/15/1994 | EP0601458A2 Separation process |
| 06/15/1994 | EP0601373A1 Process for separating hydrogen fluoride from its mixtures with chlorofluorohydrocarbons 123 and/or 124 |
| 06/15/1994 | EP0601257A1 Rim element for the packing of a mass exchange column |
| 06/15/1994 | EP0600876A1 Desalination plant, especially for use in marine and off-shore installations |
| 06/15/1994 | EP0461274B1 Process for continuously producing aromatic carbonate |
| 06/15/1994 | CN1025068C Process and unit of seperating air by rectification |
| 06/14/1994 | US5321181 Alkylation of organic aromatic compounds |
| 06/14/1994 | US5321163 Multi-purpose catalytic distillation column and eterification process using same |
| 06/14/1994 | US5321155 Process for the production of cyclohexyladipates and adipic acid |
| 06/08/1994 | EP0600203A1 Process for further treating a vacuum residue in a refinery |
| 06/08/1994 | EP0599900A1 Model-supported process and device for regulating a rectification column |
| 06/08/1994 | CN2167764Y Distillation apparatus |
| 06/08/1994 | CN1087552A Vacuume self-circulation, quick evaporation-condensation separation method of thermosensitive materials |
| 06/08/1994 | CA2103745A1 Separation process |
| 06/07/1994 | US5318732 Capacity-enhanced multiple downcomer fractionation trays |
| 06/01/1994 | EP0599454A1 A gas-liquid contacting device |
| 06/01/1994 | CN2167087Y System for comprehensive utilization |
| 06/01/1994 | CN1024760C Distillation apparatus and method |
| 05/31/1994 | US5316625 Apparatus for separating a partially miscible solvent from water |
| 05/31/1994 | US5315833 Having an intermediate outlet between the two reboilers of the upper distillation column to extract low purity stream; high purity recovered at the bottom; efficiency |
| 05/25/1994 | EP0598657A1 Process for the regeneration of liquid desiccants |
| 05/25/1994 | EP0598382A1 Improved packed column distillation system |
| 05/25/1994 | EP0598254A1 Process for separation of hydrocarbon mixtures by extractive distillation |
| 05/25/1994 | CN2165921Y Compound float valve |
| 05/25/1994 | CN2165910Y Self-condensating distilling device |
| 05/25/1994 | CN1087023A Catalyst-downcomer-tray for chemical process tower |
| 05/24/1994 | US5314587 Fluid flow |
| 05/24/1994 | US5314579 Process for removing hydrocarbons from polymer slurries |
| 05/21/1994 | CA2103489A1 Process for obtaining streams of methanol, ethanol, n-propanol and isobutanol, for use mainly in preparing high-octane products, from mixtures containing said alcohols with water and other low-boiling and high-boiling compounds |
| 05/18/1994 | CA2103221A1 Packed column distillation system |
| 05/17/1994 | US5313005 Method for controlling catalytic distillation etherifications |
| 05/17/1994 | US5312524 Distillation system for recovery of industrial process liquids |
| 05/17/1994 | CA1329588C Process and device for exchanging heat and matter |
| 05/13/1994 | CA2082733A1 Evaporative cooling system and ozone generator |
| 05/11/1994 | WO1994010228A1 Method and device for purifying liquid polysiloxane material and its use |
| 05/11/1994 | WO1994009878A1 High purity benzene production using extractive distillation |
| 05/11/1994 | EP0596718A1 Molybdenum recovery |
| 05/11/1994 | EP0596195A1 Liquid distributor for a vapor-liquid contacting column |
| 05/11/1994 | DE4237358A1 Mass transfer column with variable distance spaced apart trays - for adjustment of droplet size, hold up and turndown |
| 05/11/1994 | DE4237350A1 Gas sepn. column has incoming cone-shaped sprays - which change to bubble formation to mix in second zone where sepn. of phases effected without loss of product purity, or higher throughput |
| 05/11/1994 | CA2146759A1 High purity benzene production using extractive distillation |
| 05/10/1994 | US5310428 Solvent stabilization process and method of recovering solvent |
| 05/06/1994 | CA2094898A1 Molybdenum recovery |
| 05/04/1994 | EP0595488A1 Method and apparatus for preparing 3-[N-(2-aminoethyl)]aminopropylalkoxysilane |
| 05/04/1994 | CN1086152A Improved distillation tray/downcomer |
| 05/03/1994 | US5308592 Superimposed catalyst beds connected by flow pipe; etherification to tert-butyl methyl ether |
| 05/03/1994 | US5308452 Photopolymer washout fluid solvent distillation apparatus and method |
| 05/03/1994 | US5308451 Fractionation tray for catalytic distillation |
| 04/28/1994 | WO1994008928A1 Method for controlling catalytic distillation etherifications |
| 04/28/1994 | WO1994008927A1 Process for the preparation of etbe |
| 04/28/1994 | WO1994008682A1 Internals for distillation columns including those for use in catalytic reactions |
| 04/28/1994 | WO1994008681A1 Catalytic reaction and mass transfer structure and process employing same |
| 04/28/1994 | WO1994008680A1 Method for selective and/or unselective vaporization and/or decomposition of, particularly, hydrocarbon compounds and apparatus for carrying out such a method |
| 04/28/1994 | WO1994008679A1 Method and apparatus for concurrent reaction with distillation |
| 04/28/1994 | WO1994008678A1 Vapor compression distillation method and apparatus |
| 04/28/1994 | DE4239637C1 Ammonium cpd. removal from waste water - esp. biological sludge filtrate waste water, by steam stripping |
| 04/28/1994 | CA2147141A1 Internals for distillation columns including those for use in catalytic reactions |
| 04/28/1994 | CA2147140A1 Method and apparatus for concurrent reaction with distillation |
| 04/28/1994 | CA2147139A1 Catalytic reaction and mass transfer structure and process employing same |
| 04/28/1994 | CA2146552A1 Method for controlling catalytic distillation etherifications |
| 04/27/1994 | EP0593873A1 Process for the separation of ethylbenzene/styrene by distillation of a liquid mixture consisting mainly of styrene and ethylbenzene |
| 04/27/1994 | CN1085819A Method for separating solid matter and solvent from DVA varnish |
| 04/27/1994 | CN1024322C Processing nitrogen-rich, hydrogen-rich and olefin-rich gases with physical solvents |
| 04/26/1994 | US5306419 Reducing the zinc dithophosphate concentration by thermo decomposition |
| 04/26/1994 | US5306397 Process and apparatus for the extraction of fresh water from warm seawater |
| 04/20/1994 | EP0592733A1 Distillation tower and sidestream stripper therefor |
| 04/20/1994 | EP0592654A1 Device for evaporating preferably liquid substances, in particular reagents, or for preparing or analyzing sampled materials |
| 04/20/1994 | CN2162282Y Horizontal foamed cover rectifying tower |
| 04/20/1994 | CN1085604A Thin-layer constant-pressure serially steaming technique for white wine |
| 04/20/1994 | CN1085540A Process for the production of acetic acid |
| 04/20/1994 | CN1085465A Liquid distributor for a vapor-liquid contracting column |
| 04/20/1994 | CN1024258C Horn-shape steam scatterer |
| 04/19/1994 | US5304436 Dry box with separate compartments for desiccant and stirred liquid, with fan for circulation of inert gas |
| 04/19/1994 | US5304423 Packing element |
| 04/19/1994 | US5304353 Apparatus for increasing the yield and the production potential of urea reactors |
| 04/19/1994 | US5304287 Microdistillation method |
| 04/19/1994 | US5303769 Integrated thermosiphon heat exchanger apparatus |
| 04/14/1994 | WO1994007581A1 Method of processing a soiled solvent by distillation for regeneration, and installation for implementing said method |
| 04/14/1994 | DE4300921C1 Solvent and diluent recovery for re-use - esp. in polymer prodn., processing or moulding, e.g. spinning |
| 04/13/1994 | CN1024164C Jet preheat |
| 04/12/1994 | US5302255 Reducing molecular weight distribution of polyether glycols by short-path distillation |
| 04/12/1994 | US5302253 On-line acid monitor and neutralizer feed control of the overhead water in oil refineries |
| 04/06/1994 | EP0478586B1 Multistage evaporating system |
| 04/06/1994 | CN1084843A Method of producing unsaturated hydrocabons and separating the same from saturated hydrocarbons |
| 04/05/1994 | US5300197 Distillation apparatus with porous membrane and heat pump |
| 04/05/1994 | US5300132 Contacting device |