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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05/03/1983 | US4382045 Centrifugal gas-liquid contact apparatus |
05/03/1983 | US4381992 Reclaiming used lubricating oil |
05/03/1983 | US4381974 With downcomerless plates and receptacles between plate pairs |
05/03/1983 | US4381971 Distillation system |
05/03/1983 | CA1145706A1 Apparatus for distillation column side stream withdrawal |
05/03/1983 | CA1145533A1 Multi-stage type exchange reaction tower |
04/26/1983 | US4381220 Production of concentrated alcohol and distillery slop |
04/26/1983 | CA1145292A1 Solvent extraction process |
04/26/1983 | CA1145291A1 Continuous process for separating high boiling heat sensitive materials |
04/19/1983 | US4380615 Diamine recovery process |
04/12/1983 | US4379736 Method and apparatus for inhibiting the formation of polymerized vinylaromatic compounds during distillative purification of vinylaromatic monomer |
04/12/1983 | US4379638 Device for putting into contact substances existing in at least two different phases |
04/12/1983 | CA1144513A1 Closed-loop vacuum fractionation process |
04/12/1983 | CA1144512A1 After-treatment processes and apparatus especially for urea and ammonium nitrate plants |
04/06/1983 | EP0075817A2 Process for the separation of liquid mixtures which contain hydrogenation products of citral by distillation |
04/05/1983 | US4379028 Separation of ethyl acetate from ethanol and water by extractive distillation |
03/31/1983 | WO1983001070A1 Apparatus for rectification of fermented solutions and method of automatic control thereof |
03/29/1983 | US4378317 Process to maintain bland taste in energy efficient oil deodorization systems |
03/29/1983 | CA1143688A1 Twin tower distillation of crude oil |
03/22/1983 | US4377444 Recovery and purification of olefinic nitriles |
03/22/1983 | US4377443 Control of a fractional distillation process |
03/22/1983 | US4377441 Solar heated alcohol still |
03/22/1983 | US4377202 Rotary heat exchange apparatus provided with a spherically coiled heat transfer tube |
03/16/1983 | EP0073801A1 Phase-contacting apparatus. |
03/15/1983 | US4376679 Solar desalting process |
03/15/1983 | CA1142875A1 Method of producing ethanol-water azeotrope from crude ethanol |
03/08/1983 | US4375751 Safety control device for vapor generating and recovering apparatus |
03/02/1983 | EP0073097A1 Separate quench and evaporative cooling of compressor discharge stream |
03/02/1983 | EP0072875A1 Installation element for an apparatus for mass transfer, direct heat exchange and mixing |
03/01/1983 | US4375387 Apparatus for separating organic liquid solutes from their solvent mixtures |
03/01/1983 | US4375386 Cyclonic entrainment separator for evaporator |
02/22/1983 | US4374706 Process for the purification of phosphorus pentasulphide by distillation under vacuum |
02/22/1983 | US4374705 Steam generated by evaporator blown into concentrating column |
02/16/1983 | EP0072045A1 Method of concentrating distiller's wash |
02/15/1983 | US4374000 Adding polymerization inhibitor to seal pan and allowing it to seep into column |
02/15/1983 | US4373999 Distillation of butinediol-1,4 |
02/09/1983 | EP0071497A1 Process for extracting, concentrating and purifying natural aromas of vegetable origin, and its application |
02/09/1983 | EP0070927A1 Fractional distillation process |
02/09/1983 | EP0070926A1 Process for the fractional distillation of crude oil |
02/09/1983 | EP0070921A1 Installation element for an apparatus for mass transfer, direct heat exchange and mixing |
02/09/1983 | EP0070920A1 Column for material and direct heat exchange |
02/09/1983 | EP0070918A1 Cylindrical packing elements |
02/09/1983 | EP0070917A1 Column for mass-and/or heat transfer-processes |
02/09/1983 | EP0070916A1 Installation element for an apparatus with a jacket tube for mass transfer, direct heat exchange and mixing |
02/09/1983 | EP0070915A1 Installation element for an apparatus for mass transfer, direct heat exchange and mixing |
02/08/1983 | US4372822 Thermal efficiency |
02/08/1983 | US4372818 Apparatus for the distillation and rectification of mixtures |
02/08/1983 | CA1140889A1 Easily maintained bubble-cap column for the distillation of clogging and high-sediment liquids |
02/01/1983 | US4371623 Solar still |
02/01/1983 | US4371427 Extractive distillation |
02/01/1983 | US4371426 Control of a fractional distillation process |
02/01/1983 | US4371424 Latent heat recirculating system |
02/01/1983 | US4371382 Concentric, fluid flow |
01/25/1983 | US4370491 By alkali-catalyzed trans-esterification |
01/25/1983 | US4370205 Secondary alkylbenzene and its phenol derivative, distillation |
01/19/1983 | EP0070140A2 Improved distillation process |
01/18/1983 | US4369150 Liquid wall flow collector for chemical process tower |
01/18/1983 | US4369097 Method and apparatus of distillation for readily polymerizable liquid |
01/12/1983 | EP0069663A2 Cleaning apparatus and method for the recovery of a cleaning liquid |
01/12/1983 | EP0069241A1 Packing for material exchange columns, and process for producing the packing |
01/11/1983 | CA1139255A1 Solar distillation apparatus |
01/06/1983 | WO1983000022A1 Device for transfering material between a gas and a liquid |
01/05/1983 | EP0068840A1 Manufacture of aqueous formaldehyde |
01/04/1983 | US4367121 Fractional distillation column control |
01/04/1983 | US4366608 Method for manufacturing fluid contacting device |
01/04/1983 | CA1138812A1 Process for recovering phosphate ester type hydraulic fluids from industrial waste liquids |
01/04/1983 | CA1138811A1 Method and apparatus for distelling liquids |
01/04/1983 | CA1138810A1 Floating pressure control of fractionator system |
01/04/1983 | CA1138809A1 Floating pressure control of fractionator |
01/04/1983 | CA1138769A1 Process for stripping volatile material from aqueous latex |
12/28/1982 | US4366066 Stabilization of softened water with self-generated CO2 |
12/28/1982 | US4366031 Alcohol-water mixture distillation |
12/28/1982 | US4366030 Subatmospheric pressure distillation and/or cooling method and means |
12/28/1982 | US4366027 Device for distillation or concentration of a solution and more particularly for desalination of a saline solution such as sea water |
12/23/1982 | WO1982004475A1 Vapor recovery method and apparatus |
12/23/1982 | WO1982004404A1 Paired stage flash evaporator having improved distillate collection |
12/23/1982 | WO1982004403A1 Paired stage flash evaporator having improved configuration |
12/22/1982 | EP0067452A1 Apparatus to keep the ambient air clean when discharging and cleansing the still of dry cleaning devices |
12/21/1982 | US4365081 Process for producing 2-hydroxyalkyl acrylates or methacrylates |
12/21/1982 | US4364869 Process for producing alkyl esters of saturated aliphatic carboxylic acids |
12/21/1982 | US4364797 Automatically fed distillation and fractionation system |
12/15/1982 | EP0067146A1 Distillation device |
12/15/1982 | EP0067142A1 Method and apparatus for automatic and continuous vaporization and condensation |
12/15/1982 | EP0066790A1 Method and apparatus for a short-path distillation |
12/14/1982 | US4363703 Thermal gradient humidification-dehumidification desalination system |
12/14/1982 | CA1137688A1 Process for reducing the residual monomer content in vinyl chloride polymer dispersions sensitive to shear and/or temperature stresses |
12/14/1982 | CA1137440A1 Continuous distillation apparatus and method |
12/08/1982 | EP0066059A1 Esterification process of acetic acid by C2 to C5 alcohols |
12/07/1982 | US4362603 Continuous acetonitrile recovery process |
12/07/1982 | US4362601 Method for distilling ethyl alcohol by adding salt or salts |
12/07/1982 | CA1137019A1 Process for recovering heat in distillation process |
12/01/1982 | EP0065920A1 Treatment-column, especially for absorption and distillation |
11/30/1982 | US4361469 Process for using cocurrent contacting distillation columns |
11/25/1982 | WO1982003992A1 Testing method and device providing for the efficiency degree of plates of columns used for distillation and/or absorption and allowing to set their effective plate index as well as the columns themselves having such previously determined plate index |
11/24/1982 | EP0065194A1 Process for obtaining a conjugated diolefine from a C4-C5 hydrocarbon mixture |
11/24/1982 | EP0065168A1 Process for the purification of epsilon caprolactam |
11/23/1982 | US4360405 Process for fractionating close boiling components of a multi-component system |
11/16/1982 | US4359533 Fermentative alcohol production |
11/09/1982 | US4358822 Adaptive-predictive control system |
11/09/1982 | US4358536 Production of ethanol |