Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
12/1981
12/29/1981US4308109 Method of producing ethanol-water azeotrope from crude ethanol
12/29/1981US4308108 Removing hydrogen cyanide with alkali
12/29/1981US4308107 Incremental utilization of heat of partial condensation and heat of evaporation
12/29/1981US4308106 Process for removing substantially all water from an alcohol-containing solution for use as a motor fuel or motor fuel additive
12/29/1981US4308104 Self-contained distillation apparatus
12/29/1981US4308039 Method and apparatus for the treatment of gases containing soluble compounds
12/29/1981US4307518 Process for removing water from surfaces of articles and water removing bath for use in the process
12/22/1981US4307254 Catalytic distillation process
12/22/1981US4306944 From mixtures containing phenol and cyclohexanol
12/22/1981US4306942 Hydrous alcohol distillation method and apparatus
12/22/1981US4306940 For alcohol, fermentation
12/22/1981CA1114767A1 Self-cleaning water distiller with volatile pollutants removal stage
12/15/1981US4305895 Bubble cap and riser construction
12/15/1981US4305790 Multiple effect distillation method and apparatus
12/15/1981US4305789 Energy efficient process of preparing triaryl phosphates
12/15/1981CA1114282A1 Tray for use in rectification column
12/10/1981EP0033325A4 Solvent recovery process.
12/08/1981US4304738 For fluid contact
12/08/1981US4304638 Having an auxiliary reboiler
12/08/1981US4304637 Apparatus for continuously separating purified volatile liquid from crude volatile liquid containing non-volatile constituents and dissolved incondensible gas, by the use of mechanical energy
12/02/1981EP0040724A1 Process for the continuous preparation of acetic-acid esters
12/02/1981EP0040723A1 Process for a distillative separation of liquid mixtures containing aliphatic alcohols
12/01/1981US4303614 Distilling unit
12/01/1981US4303600 Reactor column
12/01/1981US4303479 Distillation separation method
12/01/1981US4303478 Process for distillatively separating liquid mixtures
12/01/1981CA1113248A1 Process for gas cleaning with reclaimed water and apparatus for water reclamation
11/1981
11/25/1981EP0040411A1 Apparatus for separating mixtures in the liquid phase
11/24/1981US4302682 Ocean thermal energy conversion system
11/24/1981US4302430 Process for releasing ammonia bound in coal water
11/24/1981US4302356 Using an ion exchange resin distillation column
11/24/1981US4302229 Control of a fractional distillation column
11/17/1981US4301098 For fractional distillation
11/17/1981CA1112556A1 Vapor-liquid contacting apparatus
11/10/1981US4299665 Separation apparatus for immiscible liquids
11/10/1981US4299664 Vapor degreaser
11/10/1981US4299663 Vapor generating device
11/10/1981CA1112396A1 Continuous polymerization of 2-pyrrolidone
11/04/1981EP0039197A1 Distillation apparatus
11/03/1981US4298765 Purification of phenol with reduced energy consumption
11/03/1981US4298363 Fractionator feed tank pressure control
10/1981
10/29/1981WO1981003063A1 Distillative separation of carbon dioxide from hydrogen sulfide
10/28/1981EP0038686A2 Distillative separation of carbon dioxide from hydrogen sulfide
10/27/1981US4297483 Process for reducing the vinyl chloride content of aqueous dispersions of vinyl chloride polymers
10/27/1981US4297329 Vapor-liquid contacting system
10/27/1981US4297172 Low energy process of producing gasoline-ethanol mixtures
10/27/1981US4297111 Process and apparatus for the contact and separation of immiscible fluids
10/21/1981EP0037856A1 Enhanced distillation of cyclohexanol from phenol with additional cyclohexanone feed
10/20/1981US4295937 Rectifier
10/20/1981US4295936 Fractionation apparatus providing improved heat recovery from bottom stream
10/20/1981CA1110995A1 Separation apparatus and method
10/20/1981CA1110994A1 Process for producing purified methanol
10/14/1981EP0037695A1 Methylamines purification process
10/13/1981US4295196 Fractional distillation column control
10/13/1981US4294666 Distillation
10/13/1981US4294665 Separation of acetonitrile from crude olefinically unsaturated nitrile
10/13/1981US4294664 Latent heat recirculating system
10/13/1981US4294652 Falling strand devolatilizer
10/13/1981CA1110573A1 Separation of a mixture of c.sub.4-hydrocarbons by extractive distillation
10/13/1981CA1110538A1 Outlet means for vapor liquid contacting tray
10/06/1981US4293322 Distillative separation of carbon dioxide from hydrogen sulfide
10/01/1981WO1981002776A1 Distillative separation of acid gases from light hydrocarbons
10/01/1981WO1981002729A1 Arrangement for passing a first liquid close to,but without mixing it with a second liquid,for example an arrangement for sea water desalination
09/1981
09/30/1981EP0036733A1 Distillative separation of carbon dioxide from light hydrocarbons
09/29/1981US4292140 Process for recovering heat in distillation process
09/29/1981US4292138 Energy balance control for fractionation tower
09/29/1981US4292121 Solid/liquid separation through liquid vaporization and condensation, and apparatus therefor
09/29/1981US4291757 Multiple heat pump and heat balancing system for multi-stage material processing
09/29/1981CA1109816A1 Gas-liquid circulating and contacting apparatus
09/22/1981US4290981 Exchanger element for bottoms in material exchanger columns
09/22/1981US4290980 Mass exchanger with packaging
09/22/1981CA1109415A1 Acetonitrile extractive distillation solvent for c-5 hydrocarbons
09/15/1981US4289589 Product from phosgenation of toluenediamines
09/15/1981US4289588 Computerized feedforward and feedback control
09/15/1981US4289586 Without explosion or fire
09/15/1981US4289578 Process and apparatus for recovering clean water and solids from aqueous solids
09/15/1981CA1109014A1 Solvent recovery process for processing of hydrocarbons
09/08/1981US4288297 Process for rectification of miscella from extraction of oleaginous seeds
09/08/1981CA1108552A1 Extractive distillation recovery process
09/08/1981CA1108521A1 Vapor compression liquid treating system
09/01/1981US4287026 Desalinization method
09/01/1981US4287019 For desalination of seawater
09/01/1981CA1108191A1 Silicate fouling control during dihydric alcohol production
08/1981
08/26/1981EP0034400A2 Amine separation process
08/25/1981US4286066 Continuous fermentation and distillation apparatus
08/25/1981US4285776 Desalation system
08/25/1981US4285775 Apparatus for the recovery of xylenol and/or paraffin
08/25/1981US4285774 For continuously producing concentrated alcohol from beer
08/25/1981CA1107636A1 Packing with console-type elements for liquid-gas contact
08/25/1981CA1107634A1 Gas-liquid contacting tray with improved inlet bubbling means
08/19/1981EP0034089A1 Method for the separation by distillation of a mixture of products containing an element liable to precipitate during a normal distillation of this mixture
08/19/1981EP0033849A2 Method for the recuperation of thermal energy contained in the vapours of multi-step evaporators used in thermal mass-transfer processes, and device for carrying out this method
08/18/1981US4284576 And naphthalene and phthalic anhydride, reacting with oxygen
08/18/1981US4284480 Thermodynamically efficient
08/12/1981EP0033575A2 Multi-stage expansion evaporator
08/12/1981EP0033413A1 Vapour-liquid contact apparatus and method of fabricating grid-elements for use in such apparatus
08/12/1981EP0033325A1 Solvent recovery process.
08/11/1981US4283255 Distillation
08/11/1981US4283254 Methylamines purification by distillation and purge
08/11/1981US4282832 Process for vaporizing a liquid hydrocarbon fuel
1 ... 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211