Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
05/1983
05/03/1983US4382045 Centrifugal gas-liquid contact apparatus
05/03/1983US4381992 Reclaiming used lubricating oil
05/03/1983US4381974 With downcomerless plates and receptacles between plate pairs
05/03/1983US4381971 Distillation system
05/03/1983CA1145706A1 Apparatus for distillation column side stream withdrawal
05/03/1983CA1145533A1 Multi-stage type exchange reaction tower
04/1983
04/26/1983US4381220 Production of concentrated alcohol and distillery slop
04/26/1983CA1145292A1 Solvent extraction process
04/26/1983CA1145291A1 Continuous process for separating high boiling heat sensitive materials
04/19/1983US4380615 Diamine recovery process
04/12/1983US4379736 Method and apparatus for inhibiting the formation of polymerized vinylaromatic compounds during distillative purification of vinylaromatic monomer
04/12/1983US4379638 Device for putting into contact substances existing in at least two different phases
04/12/1983CA1144513A1 Closed-loop vacuum fractionation process
04/12/1983CA1144512A1 After-treatment processes and apparatus especially for urea and ammonium nitrate plants
04/06/1983EP0075817A2 Process for the separation of liquid mixtures which contain hydrogenation products of citral by distillation
04/05/1983US4379028 Separation of ethyl acetate from ethanol and water by extractive distillation
03/1983
03/31/1983WO1983001070A1 Apparatus for rectification of fermented solutions and method of automatic control thereof
03/29/1983US4378317 Process to maintain bland taste in energy efficient oil deodorization systems
03/29/1983CA1143688A1 Twin tower distillation of crude oil
03/22/1983US4377444 Recovery and purification of olefinic nitriles
03/22/1983US4377443 Control of a fractional distillation process
03/22/1983US4377441 Solar heated alcohol still
03/22/1983US4377202 Rotary heat exchange apparatus provided with a spherically coiled heat transfer tube
03/16/1983EP0073801A1 Phase-contacting apparatus.
03/15/1983US4376679 Solar desalting process
03/15/1983CA1142875A1 Method of producing ethanol-water azeotrope from crude ethanol
03/08/1983US4375751 Safety control device for vapor generating and recovering apparatus
03/02/1983EP0073097A1 Separate quench and evaporative cooling of compressor discharge stream
03/02/1983EP0072875A1 Installation element for an apparatus for mass transfer, direct heat exchange and mixing
03/01/1983US4375387 Apparatus for separating organic liquid solutes from their solvent mixtures
03/01/1983US4375386 Cyclonic entrainment separator for evaporator
02/1983
02/22/1983US4374706 Process for the purification of phosphorus pentasulphide by distillation under vacuum
02/22/1983US4374705 Steam generated by evaporator blown into concentrating column
02/16/1983EP0072045A1 Method of concentrating distiller's wash
02/15/1983US4374000 Adding polymerization inhibitor to seal pan and allowing it to seep into column
02/15/1983US4373999 Distillation of butinediol-1,4
02/09/1983EP0071497A1 Process for extracting, concentrating and purifying natural aromas of vegetable origin, and its application
02/09/1983EP0070927A1 Fractional distillation process
02/09/1983EP0070926A1 Process for the fractional distillation of crude oil
02/09/1983EP0070921A1 Installation element for an apparatus for mass transfer, direct heat exchange and mixing
02/09/1983EP0070920A1 Column for material and direct heat exchange
02/09/1983EP0070918A1 Cylindrical packing elements
02/09/1983EP0070917A1 Column for mass-and/or heat transfer-processes
02/09/1983EP0070916A1 Installation element for an apparatus with a jacket tube for mass transfer, direct heat exchange and mixing
02/09/1983EP0070915A1 Installation element for an apparatus for mass transfer, direct heat exchange and mixing
02/08/1983US4372822 Thermal efficiency
02/08/1983US4372818 Apparatus for the distillation and rectification of mixtures
02/08/1983CA1140889A1 Easily maintained bubble-cap column for the distillation of clogging and high-sediment liquids
02/01/1983US4371623 Solar still
02/01/1983US4371427 Extractive distillation
02/01/1983US4371426 Control of a fractional distillation process
02/01/1983US4371424 Latent heat recirculating system
02/01/1983US4371382 Concentric, fluid flow
01/1983
01/25/1983US4370491 By alkali-catalyzed trans-esterification
01/25/1983US4370205 Secondary alkylbenzene and its phenol derivative, distillation
01/19/1983EP0070140A2 Improved distillation process
01/18/1983US4369150 Liquid wall flow collector for chemical process tower
01/18/1983US4369097 Method and apparatus of distillation for readily polymerizable liquid
01/12/1983EP0069663A2 Cleaning apparatus and method for the recovery of a cleaning liquid
01/12/1983EP0069241A1 Packing for material exchange columns, and process for producing the packing
01/11/1983CA1139255A1 Solar distillation apparatus
01/06/1983WO1983000022A1 Device for transfering material between a gas and a liquid
01/05/1983EP0068840A1 Manufacture of aqueous formaldehyde
01/04/1983US4367121 Fractional distillation column control
01/04/1983US4366608 Method for manufacturing fluid contacting device
01/04/1983CA1138812A1 Process for recovering phosphate ester type hydraulic fluids from industrial waste liquids
01/04/1983CA1138811A1 Method and apparatus for distelling liquids
01/04/1983CA1138810A1 Floating pressure control of fractionator system
01/04/1983CA1138809A1 Floating pressure control of fractionator
01/04/1983CA1138769A1 Process for stripping volatile material from aqueous latex
12/1982
12/28/1982US4366066 Stabilization of softened water with self-generated CO2
12/28/1982US4366031 Alcohol-water mixture distillation
12/28/1982US4366030 Subatmospheric pressure distillation and/or cooling method and means
12/28/1982US4366027 Device for distillation or concentration of a solution and more particularly for desalination of a saline solution such as sea water
12/23/1982WO1982004475A1 Vapor recovery method and apparatus
12/23/1982WO1982004404A1 Paired stage flash evaporator having improved distillate collection
12/23/1982WO1982004403A1 Paired stage flash evaporator having improved configuration
12/22/1982EP0067452A1 Apparatus to keep the ambient air clean when discharging and cleansing the still of dry cleaning devices
12/21/1982US4365081 Process for producing 2-hydroxyalkyl acrylates or methacrylates
12/21/1982US4364869 Process for producing alkyl esters of saturated aliphatic carboxylic acids
12/21/1982US4364797 Automatically fed distillation and fractionation system
12/15/1982EP0067146A1 Distillation device
12/15/1982EP0067142A1 Method and apparatus for automatic and continuous vaporization and condensation
12/15/1982EP0066790A1 Method and apparatus for a short-path distillation
12/14/1982US4363703 Thermal gradient humidification-dehumidification desalination system
12/14/1982CA1137688A1 Process for reducing the residual monomer content in vinyl chloride polymer dispersions sensitive to shear and/or temperature stresses
12/14/1982CA1137440A1 Continuous distillation apparatus and method
12/08/1982EP0066059A1 Esterification process of acetic acid by C2 to C5 alcohols
12/07/1982US4362603 Continuous acetonitrile recovery process
12/07/1982US4362601 Method for distilling ethyl alcohol by adding salt or salts
12/07/1982CA1137019A1 Process for recovering heat in distillation process
12/01/1982EP0065920A1 Treatment-column, especially for absorption and distillation
11/1982
11/30/1982US4361469 Process for using cocurrent contacting distillation columns
11/25/1982WO1982003992A1 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
11/24/1982EP0065194A1 Process for obtaining a conjugated diolefine from a C4-C5 hydrocarbon mixture
11/24/1982EP0065168A1 Process for the purification of epsilon caprolactam
11/23/1982US4360405 Process for fractionating close boiling components of a multi-component system
11/16/1982US4359533 Fermentative alcohol production
11/09/1982US4358822 Adaptive-predictive control system
11/09/1982US4358536 Production of ethanol