| Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025) |
|---|
| 03/28/1989 | US4816407 Production of low-ethanol beverages by membrane extraction |
| 03/28/1989 | US4816191 Distributor for liquid-gas contact column and method of preparation and use |
| 03/23/1989 | WO1989002302A1 High cop absorption heat pumped evaporation |
| 03/21/1989 | US4814117 Packing support for gas - liquid contact towers |
| 03/21/1989 | US4814044 Heat exchangers to vaporize and purify water |
| 03/21/1989 | CA1251414A1 Method and an apparatus for the vaporization and distillation of a liquid reaction-mixture of a high pressure |
| 03/15/1989 | EP0198006B1 Inlet device in a plate evaporator |
| 03/09/1989 | DE3728320A1 Process and apparatus for concentrating solutions up to solids discharge |
| 03/08/1989 | EP0305668A1 Process for the production of a concentrate of aromatics suitable for use as a blending component for petrol |
| 02/28/1989 | US4808350 Liquid distributor apparatus for high turndown ratios and minimum fouling |
| 02/28/1989 | US4808344 Basification, removal of salts, vacuum distillation |
| 02/23/1989 | WO1989001505A1 Process and installation for recovering reusable gas from waste through pyrolysis |
| 02/23/1989 | DE3727004A1 Verfahren und anlage zur rueckgewinnung von verwertbarem gas aus muell durch pyrolyse Method and system for the recovery of recyclable trash by pyrolysis gas from |
| 02/23/1989 | DE3726669A1 Equipment for generating cold, vacuum and heat |
| 02/22/1989 | EP0303910A2 Method of reducing waste volume and an apparatus therefor |
| 02/22/1989 | EP0303637A1 Lifting device for laboratory apparatus with stand profile and base console, and laboratory heating bath, in particular for rotary evaporators. |
| 02/22/1989 | CN1031190A Rectification of mixts. with high freezing pt. and installation thereof |
| 02/21/1989 | US4806209 Separation of formic acid from dioxane by extractive distillation |
| 02/16/1989 | DE3826584A1 Process and apparatus for the preparation of chlorinated chloroformates |
| 02/16/1989 | DE3726282A1 Process and apparatus for separating pollutants from contaminated soils |
| 02/16/1989 | DE3725850A1 Decomposition of alkyl tert.alkyl ether - on cation exchanger located in column reboiler circuit |
| 02/15/1989 | EP0302923A1 A method of separating a volatile component from a mixture utilizing a carrier gas for vapour transport from an evaporator to a condensor |
| 02/14/1989 | US4804442 Dehydration of aqueous solution with inorganic compound; low temperature vacuum distillation |
| 02/09/1989 | WO1989001042A1 Process for concentrating and purifying alcohol and apparatus therefor |
| 02/08/1989 | EP0302336A1 Process for splitting alkyl-tert.-alkyl ethers |
| 02/07/1989 | US4802956 Feeding and withdrawing dimethyl ether and impurities at specific trays of column |
| 02/01/1989 | EP0301852A2 Process for the production of gamma-butyrolactone |
| 02/01/1989 | CN1030795A Precipitation of scale-forming materials from solution |
| 01/31/1989 | US4802115 Multi-unit communicating system |
| 01/31/1989 | US4801358 Separation of acetic acid from dioxane by extractive distillation |
| 01/31/1989 | US4801357 Dimethyl sulfoxide |
| 01/31/1989 | US4801356 Removal of ammonia from fuel cell power plant water system |
| 01/25/1989 | EP0300085A1 Continuous vacuum process and apparatus for recovering bromine |
| 01/25/1989 | EP0218601B1 Regenerator plant |
| 01/25/1989 | EP0204782B1 Vacuum evaporator |
| 01/24/1989 | US4800047 Gas and liquid contact sheet and packing |
| 01/18/1989 | EP0299418A1 Process for drying sulfur dioxide |
| 01/17/1989 | US4798914 Process for the production of vinyl chloride through thermal cracking of 1,2-dichloroethane |
| 01/12/1989 | DE3721293A1 Process for recovering drycleaning solvent residues dissolved and/or emulsified/dispersed in the contact water and contained in the waste air |
| 01/11/1989 | EP0298162A1 Method and apparatus for precipitation of scale-forming materials from solution |
| 01/11/1989 | CN1030191A Tower packing element with embossed surfaces |
| 01/05/1989 | DE3820216A1 Process for removing monocyclic and multicyclic hydrocarbons |
| 01/03/1989 | US4795568 Oxidative evaporation process and apparatus |
| 01/03/1989 | US4795532 Aftertreatment method and apparatus for distilled water |
| 12/29/1988 | DE3719504A1 Process for heating a distillation apparatus |
| 12/27/1988 | US4793841 Process and apparatus for fractionation of a gaseous mixture employing side stream withdrawal, separation and recycle |
| 12/21/1988 | EP0295951A2 Improvements relating to rectifier columns for vapour generators |
| 12/21/1988 | EP0295323A1 Process and apparatus for thermal treatment |
| 12/20/1988 | CA1246984A1 Evaporation method and apparatus |
| 12/14/1988 | EP0294663A2 Spray-died emulsion polymer, process for its preparation and the use of such a prepared composition |
| 12/13/1988 | US4791444 Waste solution treating apparatus |
| 12/06/1988 | US4789554 Deaeration, stripping |
| 12/01/1988 | WO1988009207A1 Vapor-liquid contact device and method |
| 11/30/1988 | EP0293003A1 Packing element for exchange column |
| 11/30/1988 | CN87107631A Tricking sheet for packing means in installation for bringing liquid and gas into contact, and packing means thus constituted |
| 11/29/1988 | US4788043 Physical condensation, distillation, and circulation |
| 11/29/1988 | US4788020 Method for effecting mass transfer |
| 11/24/1988 | DE3716266A1 Process for the distillation of liquids, preferably sea water or brackish water |
| 11/24/1988 | DE3715235A1 Process and device for extracting oil or polychlorinated biphenyl from impregnated electrical components by means of a solvent, and for distillation of the solvent |
| 11/23/1988 | CN88102562A Liquid distributor for packed tower |
| 11/22/1988 | CA1245149A1 Vertical column for contacting a gas with a liquid |
| 11/17/1988 | EP0290708A1 Trickle sheet for a packing apparatus of a liquid-gas contact facility, and packing apparatus so made |
| 11/17/1988 | EP0290656A1 Process for the separation of hydrocarbons from a mixed feedstock |
| 11/17/1988 | DE3812264A1 Distributor unit for the uniform distribution of liquid and/or bulk material |
| 11/15/1988 | CA1244631A1 Mass transfer column |
| 11/08/1988 | US4783242 Distillation system and process |
| 11/08/1988 | US4782857 Method and apparatus for uniformly distributing solids-containing liquid |
| 11/03/1988 | DE3712785A1 Low-temperature distillation apparatus |
| 11/02/1988 | EP0289201A1 Liquid distributor for packed tower |
| 11/02/1988 | EP0288912A1 Process for recovery and purification of ethylene |
| 11/01/1988 | US4781797 Perforated inner casing with plurality of substages containing packing material making pathway of complex interstices |
| 10/27/1988 | DE3712291A1 Combined adsorption-rectification method for separating a liquid mixture |
| 10/27/1988 | DE3712253A1 Process and apparatus for converting highly viscous liquids into a concentrate, using heat exchangers |
| 10/25/1988 | US4780178 Rotary evaporator with control system |
| 10/25/1988 | US4780115 Process for removing undesirable components from gases |
| 10/25/1988 | CA1243800A1 Continuous process for the treatment of polymer composition |
| 10/25/1988 | CA1243612A1 Survival desalination device |
| 10/18/1988 | US4778688 Production of low-ethanol beverages by membrane extraction |
| 10/18/1988 | US4778604 Method for reclaiming waste ink |
| 10/18/1988 | US4778569 Converting a portion to vapor phase and condensing; countercurrent gas flow |
| 10/18/1988 | US4778566 Energy-saving circuit for continuously operated distillation units |
| 10/18/1988 | US4778535 Continuous ultrasonic vibrator cleaner; uniformly dispersed liquid; for tools |
| 10/18/1988 | US4778489 Mixing with cooling fluid, evaporation, using as working vapor |
| 10/12/1988 | EP0286449A1 Recovery of ammonia and hydrogen fluoride from ammonium fluoride solutions |
| 10/11/1988 | US4776989 Method and apparatus for liquid feed to liqiud distributors in fluid-liquid contacting towers |
| 10/11/1988 | US4776961 Process for treating geothermal brine in two phase brine separators |
| 10/11/1988 | US4776948 Rapid cooling prevents fouling |
| 10/05/1988 | EP0285233A2 Method for hydrocracking heavy fraction oil |
| 10/04/1988 | CA1242639A1 Packing for gas-liquid contact apparatus |
| 10/04/1988 | CA1242638A1 Gas/liquid contacting column |
| 09/28/1988 | EP0284052A2 Process for producing ultra-pure water and process for using said ultra-pure water |
| 09/27/1988 | CA1242383A1 Split-column extractive distillation |
| 09/27/1988 | CA1242309A1 Carrying out chemical reactions and simultaneously separating a product mixture into several fractions by means of a distillation column |
| 09/22/1988 | WO1988006912A1 Liquid evaporating apparatus |
| 09/21/1988 | EP0282753A1 Apparatus for the uniform distribution of a liquid on a transfer section of a mass and heat transfer column |
| 09/21/1988 | CN87214864U Tower multiple-effect water distiller with low-laying preheater |
| 09/14/1988 | EP0281630A1 Axial swirler of contact-separation element |
| 09/14/1988 | EP0281628A1 Contact-separation element |
| 09/14/1988 | CN88100797A Device for evenly distributing liquid in exchange section of substance-and heat-exchange column |
| 09/14/1988 | CN87204585U Self-controlled electric heating distillator |