Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025) |
---|
11/13/1984 | US4482433 Of n-substituted aminobbnzaldehydes by stripping and evaporation with n-substituted aniline |
11/13/1984 | US4482432 Apparatus for solid/liquid separation by vaporization and condensation |
11/13/1984 | US4482431 Distillation apparatus with a liquid-vapor separating device having three chambers |
11/07/1984 | EP0123815A2 Packed column having pressure-absorbing mechanism |
11/06/1984 | US4480393 Vapor recovery method and apparatus |
11/06/1984 | CA1177438A1 Process for extractive distillation |
10/31/1984 | EP0123634A1 Process for separating zirconium tetrachloride from hafnium tetrachloride by extractive distillation for the removal of the aluminium introduced by the solvent |
10/31/1984 | EP0123390A2 Rotary evaporator |
10/30/1984 | US4479909 Distributor stage for liquid-contacting columns |
10/30/1984 | US4479851 Depressurization, distillation |
10/30/1984 | CA1177009A1 Reclaiming used lubricating oil |
10/25/1984 | WO1984004048A1 A separation column for mounting upon a movable support |
10/24/1984 | EP0122367A2 Distillation column |
10/23/1984 | CA1176653A1 Deoiling of aqueous solutions of sodium lauryl sulfate |
10/17/1984 | EP0122166A1 Process and device for the production of high purity gas by the vaporisation of a cryogenic liquid |
10/10/1984 | EP0121445A1 Multi-channel body |
10/09/1984 | US4476069 Liquid distributing apparatus for a liquid-vapor contact column |
10/09/1984 | CA1175773A1 Reboiling process through secondary compression of vapors |
10/03/1984 | EP0120508A2 Apparatus for fractional distillation under vacuum |
10/02/1984 | US4475005 Styrene-divinylbenzene resin |
10/02/1984 | US4474142 Method and apparatus for flash evaporation of liquids |
09/26/1984 | EP0119833A2 Preparation of carboxylic acid esters of alkylene glycol monoalkyl ethers |
09/26/1984 | EP0119643A2 Liquid distributing apparatus and method for a liquid-vapor contact column |
09/26/1984 | EP0119639A2 Process and apparatus for fractional distillation under vacuum |
09/25/1984 | US4473444 Extractive distillation of alcohol-ester mixtures |
09/25/1984 | US4473443 Controlling gas flow based on concentration |
09/25/1984 | US4473442 Separation of acid alkylation catalysts from oil by controlled heat exchanging |
09/25/1984 | US4472948 Heat pump installation operating from a cold source constituted by a turbid or corrosive solution |
09/19/1984 | EP0118760A2 Device for the separation of solutions by pervaporation |
09/19/1984 | EP0118475A1 Process for recovery of amine from spent acid stripping liquor |
09/19/1984 | EP0118428A1 An improved method and apparatus for recycling energy in counterflow heat exchange and distillation. |
09/18/1984 | US4472558 Process for carrying out reactions caused by the transport of substances |
09/18/1984 | US4472325 Liquid distributor apparatus for a vapor-liquid contact column |
09/18/1984 | US4472246 Process for recovery of amine from spent acid stripping liquor |
09/18/1984 | US4471619 Fractionation process with power generation by depressurizing the overhead vapor stream |
09/18/1984 | CA1174634A1 Extractive distilling with reworking of residue |
09/12/1984 | EP0118308A1 Heat treatment of liquids |
09/12/1984 | EP0118236A1 Evaporator |
09/12/1984 | EP0118029A1 Gravimetric liquid distribution device for a mass and heat exchange column |
09/12/1984 | EP0117949A1 Packing for packed towers inter-fluid contact |
09/11/1984 | US4471154 Staged, fluidized-bed distillation-reactor and a process for using such reactor |
09/11/1984 | US4470881 Using a higher boiling solvent which affects volatility differential and does not form an azeotrope |
09/11/1984 | US4470880 Water treatment, vacuum evaporation, condensation |
09/11/1984 | US4470879 Fractionator control in an alkylation process |
09/04/1984 | US4469558 Apparatus for distilling vinylaromatic compounds |
09/04/1984 | CA1173781A1 Heat pump fractionation process |
09/04/1984 | CA1173741A1 Separate quench and evaporative cooling of compressor discharge stream |
09/04/1984 | CA1173633A1 Mass transfer apparatus and process |
08/30/1984 | WO1984003227A1 Distillation apparatus |
08/29/1984 | EP0117052A1 Distillative separation employing bottom additives |
08/28/1984 | CA1173400A1 Hydrous alcohol distillation method and apparatus |
08/21/1984 | CA1172989A1 Multiple effect distillation method and apparatus |
08/14/1984 | US4465853 Method for isomerizing diacetoxybutenes |
08/14/1984 | US4465559 Atomization/distillation system |
08/14/1984 | CA1172596A1 Heat input control of extractive distillation column |
08/08/1984 | EP0115262A2 Water extractive distillation of olefinically unsaturated nitriles |
08/08/1984 | EP0114925A1 Process for making anhydrous alkanesulfonic acids |
08/07/1984 | US4464228 Stripping volatile contaminants; methanol |
08/07/1984 | US4464227 Methods and apparatus for distilling a contaminated solvent |
08/07/1984 | US4463575 Vapor generating and recovery apparatus including a refrigerant system with refrigerant heat removal means |
08/07/1984 | CA1172201A1 Enhanced distillation of cyclohexanol from phenol with additional cyclohexanone feed |
07/31/1984 | US4462814 Distillative separations of gas mixtures containing methane, carbon dioxide and other components |
07/31/1984 | CA1171813A1 Method and apparatus for high volume fractional distillation of liquids |
07/31/1984 | CA1171730A1 Process for extracting, concentrating and purifying natural aromas of vegetable origin and products thus prepared |
07/31/1984 | CA1171664A1 Process for separation of zirconium- and hafnium tetrachlorides from a mixture comprising such chlorides and apparatus therefor |
07/24/1984 | US4461675 Energy efficient process for vaporizing a liquid and condensing the vapors thereof |
07/19/1984 | WO1984002767A1 Distillative separation employing bottom additives |
07/18/1984 | EP0113447A2 Process for the fractional separation of protein mixtures with membranes |
07/17/1984 | US4460396 Method for producing purified ethylene through thermo-coupled distillation and ethylene-producing apparatus using the said method |
07/17/1984 | US4459831 Apparatus for preventing a contamination of the ambient air during an emptying and cleaning of the distillation vessel of dry cleaning apparatus |
07/17/1984 | CA1171022A1 Solvent recovery process |
07/17/1984 | CA1170998A1 Thermal circulation gas treater |
07/11/1984 | EP0112978A1 Liquid distributor for a mass and heat exchange column |
07/10/1984 | US4459179 Polyol |
07/10/1984 | US4459178 Separation of isopropyl ether from methyl ethyl ketone by extractive distillation |
07/10/1984 | CA1170612A1 Process for the rectification of binary liquid mixtures |
07/10/1984 | CA1170594A1 Process for the recovery of a concentrated stillage |
07/10/1984 | CA1170564A1 Vapor-liquid contacting apparatus |
07/03/1984 | US4457807 Process for the purification of ε-caprolactam |
07/03/1984 | US4457806 2,6-dinitro-4-ethylphenol |
07/03/1984 | US4457805 Solvent recovery apparatus and method |
07/03/1984 | CA1170335A1 Nonlinear control of liquid level |
06/27/1984 | EP0111941A2 Tray for distillation and/or absorption columns |
06/26/1984 | US4456535 By hydrolysis and desorption; flowing countercurrent to a heating and stripping gas |
06/19/1984 | US4455339 Packing for an exchange column |
06/19/1984 | US4455198 Cyclic alcohol or ketone |
06/13/1984 | EP0110760A1 Apparatus for cleaning and decontaminating clothes, in particular clothes contaminated by radioactive particles |
06/13/1984 | EP0110583A1 Apparatus for separating a low viscosity material from a high viscosity material |
06/13/1984 | EP0110016A2 Process for withdrawing a vaporous bottom product from a low-temperature rectification column at less than 1 mole per hour |
06/13/1984 | EP0078268A4 Device for determining the efficiency of plates of distillation and/or absorption columns. |
06/05/1984 | CA1168571A1 Tray device for collecting and distributing liquid for a counter-current column |
05/30/1984 | EP0109486A2 Recovery of components of a binary azeotrope |
05/29/1984 | CA1168149A1 Packing material and apparatus |
05/22/1984 | US4450047 Process for recovering anhydrous alkanesulfonic acids by reduced pressure, falling film evaporation |
05/15/1984 | US4448644 Method of producing ethanol-water azeotrope from crude ethanol |
05/08/1984 | US4447535 Process for the recovery of a concentrated stillage |
05/08/1984 | US4447318 Extractive distillation method |
05/08/1984 | CA1166953A1 Device for distributing a liquid in thin film form in vertical heat-exchangers |
05/02/1984 | EP0107408A2 Process for producing ethanol |
05/02/1984 | EP0107322A2 Water stills |