| 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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| 10/19/1994 | EP0620186A1 Reactor for the generation of chlorine dioxide by reaction of alkali metal chlorate and acid |
| 10/19/1994 | CN2179778Y Disk-shaped double acting float valve |
| 10/19/1994 | CN2179777Y Evaporator with honeycomb |
| 10/18/1994 | US5356520 Separation of high boiling point solvents from amyl acetate |
| 10/15/1994 | CA2121189A1 Reactor for preparing chlorine dioxide by reacting alkali chlorate with acid |
| 10/12/1994 | CN2179189Y Combined angle bar tower plate |
| 10/12/1994 | CN2179188Y Vacuum oil-in-water separator |
| 10/12/1994 | CN1093298A Reflux ratio controller |
| 10/12/1994 | CN1093297A Distillation method for thermal sensitive material with simultaneous prodn. of light and heavy impurities |
| 10/11/1994 | US5354563 Water dispersion containing ultrafine particles of organic compounds |
| 10/11/1994 | US5354460 Fluid transfer system with uniform fluid distributor |
| 10/11/1994 | US5354431 Plural stage drying and purification of propylene oxide |
| 10/11/1994 | US5354430 Staged purification of contaminated propylene oxide |
| 10/11/1994 | US5354428 Apparatus for the continuous on-site chemical reprocessing of ultrapure liquids |
| 10/11/1994 | CA1332369C Spinning band fractionating column |
| 10/05/1994 | EP0618186A1 Process and apparatus for producing terephthalic acid |
| 10/05/1994 | EP0618181A1 Azeotropic compositions comprising water and a hydrofluoroalkane, process for the elimination of water from a solution by a zeotropic distillation and process for the preparation of a hydrofluoroalkane |
| 10/05/1994 | CN1093020A Orderly packing for a column |
| 10/05/1994 | CN1093013A Disc type double-acting float valve |
| 10/04/1994 | US5352336 Removal of low-boiling fractions from high temperature heat transfer systems |
| 10/04/1994 | US5352335 Carbon adsorption-free extraction of halogenated hydrocarbon impurities of water by steam stripping, liquid and vapor phase separation, condensation, absorption |
| 10/04/1994 | CA2035506C Device for the recovery of a processed liquid in the form of a condensate on a liquid to be processed |
| 09/29/1994 | DE4318936C1 Process and apparatus for controlling the discharge of the residue in distillation of contaminated liquids |
| 09/28/1994 | EP0434826B1 Method and apparatus for introducing a liquid feed into a vapor/liquid separation tower |
| 09/27/1994 | US5350813 Of styrene polymer melts |
| 09/27/1994 | US5349974 General parts washer |
| 09/27/1994 | US5349824 Process for the mixed production of high and low purity oxygen |
| 09/21/1994 | EP0615783A1 Protector for rotary evaporator |
| 09/20/1994 | US5348710 Catalytic distillation structure |
| 09/20/1994 | US5348707 Multistage reactor for making ether from olefin and alcohol: first zone, with solid regenerable catalyst, operable for swing from product mode to regeneration mode in alternating sequence; second zone with, preferably, acid resin catalyst |
| 09/20/1994 | US5348623 Water heating and distilling apparatus |
| 09/20/1994 | US5348622 Solar water purification device |
| 09/15/1994 | WO1994020187A1 Improved distillative separation process by steaming for mixtures of multiple substances |
| 09/15/1994 | WO1994019967A1 Apparatus and method for recovering water from fruit |
| 09/15/1994 | CA2157660A1 An improved process for the distillation-based separation of multicomponent mixtures by steaming |
| 09/14/1994 | EP0614695A1 Ordered column packing |
| 09/14/1994 | CN2176823Y High-strength filled tower supporting structure |
| 09/13/1994 | US5347020 Pyrolysis of polyhydroxycarboxylic acid or halogenocarboxylic acid salt in presence of catalyst; suture materials |
| 09/13/1994 | US5346595 Process for the purification of a pentafluoroethane azeotrope |
| 09/13/1994 | US5346593 Refining column |
| 09/07/1994 | EP0613860A1 Apparatus and method of reducing the volume from aquous solutions, containing non evaporable substances |
| 09/07/1994 | EP0613412A1 Process for removing the solvent from a polymer solution |
| 09/07/1994 | EP0555301B1 Process and installation for producing liquid fuels and raw chemicals |
| 09/06/1994 | US5345006 Maintaining liquid level; hydrating isobutene with water to make tert-butyl alcohol |
| 09/06/1994 | US5344528 Recovery of phenol from low concentrations with sodium sulfate |
| 09/01/1994 | WO1994019301A1 Purification of a component of a binary azeotrope |
| 09/01/1994 | WO1994019081A1 Distillation apparatus for concentrating less volatile liquids |
| 09/01/1994 | WO1994019080A1 Method for transferring components and heat between a liquid stream and a vapour stream, separation apparatus therefor, and use thereof in distillation |
| 09/01/1994 | WO1994019079A1 A multiple stage suspended reactive stripping process and apparatus |
| 09/01/1994 | WO1994019078A1 Separation of solvents from amyl acetate |
| 08/31/1994 | CN2175635Y Controller for reflux ratio of packet tower |
| 08/31/1994 | CN1091413A Method for seperation of hydrocarbon mixture as function of extractive distillation |
| 08/30/1994 | US5343407 Nonlinear model based distillation control |
| 08/23/1994 | US5340446 Purification of propylene oxide by cosolvent extractive distillation |
| 08/23/1994 | US5340445 Process for the purification of diaminodiphenyl compounds |
| 08/23/1994 | US5340444 Circulation cooler for vacuum distillation apparatus |
| 08/23/1994 | US5340443 Distillation apparatus with paired membrane units |
| 08/23/1994 | US5339648 Distillation system with partitioned column |
| 08/18/1994 | DE4337129A1 Method and device for cleaning articles |
| 08/17/1994 | EP0610775A1 Process for separating liquid mixtures having an azeotropic point by combination of pervaporation and distillation |
| 08/17/1994 | EP0610742A1 Process for obtaining tocopherols and sterols from natural springs |
| 08/17/1994 | EP0610505A1 Wash waste liquid regenerating method, wash waste liquid regenerating apparatus, washing method and washing apparatus |
| 08/17/1994 | CN1090791A Filling material of tower for material and/or heat exchange |
| 08/17/1994 | CN1025655C Double deck distributor |
| 08/16/1994 | US5338518 Distillation-reaction apparatus and its use for carrying out balanced reaction |
| 08/16/1994 | US5338517 Catalytic distillation column reactor and tray |
| 08/16/1994 | US5338409 Apparatus for distilling liquids in a vacuum |
| 08/16/1994 | US5337806 Method and device for heating or cooling a reaction flask |
| 08/10/1994 | EP0609878A1 Oxygen barrier coated photographic agent milled dispersion particles for enhanced dye-stability |
| 08/10/1994 | EP0431030B1 A distillation apparatus |
| 08/10/1994 | CN1025630C Process for preparation of ester-exchanged oil for fat |
| 08/09/1994 | US5336790 Reacting molybdenum catalyst containing epoxidation reaction product residue with ammonia to precipitate molybdenum, separating solid, evaporating filtrate with water injection to prevent salt deposition, rapidly cooling concentrate |
| 08/09/1994 | US5336473 Entrainment of cobalt hydroformylation catalyst in stripping gas which is then conveyed to external refluxer before recycling |
| 08/09/1994 | US5336376 Distillation column with vaporous sidestream removal |
| 08/04/1994 | DE4324410C1 Removing ammonium from process water in effluent water treatment units |
| 08/03/1994 | EP0556195B1 Powder pipette and apparatus for handling such a pipette |
| 08/03/1994 | CN1090220A Matter-conductive crown element for the packing of a matter-exchange column |
| 08/02/1994 | US5334291 On-site, controlled waste concentrator and solvent regenerator apparatus |
| 08/02/1994 | US5334290 Molecular distillation apparatus having induction-heating |
| 08/02/1994 | US5334130 Centrifugal vacuum concentration with holder assembly |
| 07/27/1994 | EP0607887A2 Apparatus and process for the low temperature air separations and liquid distributor for a mass transfer column |
| 07/27/1994 | EP0607502A1 Process for recycling solvent-containing wastes of synthetic resin varnishes |
| 07/27/1994 | CN1089879A hot-medium distillation kettle |
| 07/26/1994 | US5332477 Method for reducing pressure drop in a packed column |
| 07/26/1994 | US5332476 Water distillation and aeration apparatus |
| 07/26/1994 | CA1330962C Preparing a gaseous feed for a gas treating plant |
| 07/21/1994 | WO1994015876A1 Water purifier, especially for domestic use |
| 07/21/1994 | DE4330569C1 Process and apparatus for removing ammonium-containing compounds from wastewaters |
| 07/20/1994 | EP0606860A2 Process and apparatus for solvent recuperation |
| 07/20/1994 | EP0354243B1 Process for concentrating and purifying alchohol |
| 07/19/1994 | US5330624 Fractionator-reboiler sludge removal system and method |
| 07/19/1994 | US5330017 Method of processing drilling mud in earth-boring operations |
| 07/13/1994 | EP0606059A1 Column with an integrated heat exchanger |
| 07/13/1994 | CN1089298A Process for the further processing of the vacuum residue in a crude oil refinery |
| 07/13/1994 | CN1089184A Improved packed column distillation system |
| 07/12/1994 | US5328596 Lubricating oil refining process |
| 07/12/1994 | US5327920 Automated apparatus and vapor/immersion cleaning method for soiled parts |
| 07/06/1994 | EP0605350A1 Solvent stabilization process and method of recovering solvent |
| 07/06/1994 | EP0605322A1 Process for the dehydration and/or desalinization and simultaneous fractioning of a petroleum oilfild effluent |
| 07/06/1994 | CN1088844A A gas-liquid contacting device |