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)
08/1981
08/11/1981CA1106754A1 Liquid-gas contacting tray with high angle inlet slotting
08/06/1981WO1981002088A1 Method and apparatus for high volume fractional distillation of liquids
08/04/1981US4282348 Method for removing unreacted monomer from the aqueous dispersion of polymerizate of vinyl chloride and apparatus therefor
08/04/1981US4282071 Adding a hydrocarbon oxidate to form a nonvolatile aluminum chloride compound
08/04/1981US4282067 Apparatus for high volume distillation of liquids
07/1981
07/28/1981US4280867 By removal of absorbed water from a glycol desiccant
07/21/1981US4279704 Filter for recovering solvent
07/21/1981US4279703 Apparatus for the distillation of weak ammonia liquor
07/21/1981CA1105372A1 Quick opening removable tray sections for fluid contact trays
07/15/1981EP0031872A2 Solid/liquid separation through liquid vaporization and condensation, and apparatus therefor
07/14/1981US4278546 Treatment of a liquid by circulation and gas contacting
07/14/1981US4278506 Polymer solution purification
07/14/1981US4278503 Oxidation of butane, purification
07/14/1981US4278502 Chemical recovery apparatus
07/14/1981CA1104996A1 Process for the regeneration of an alkanolamine-based absorbent for gases containing co.sub.2 and/or cos
07/14/1981CA1104967A1 Vacuum pipestill operation
07/08/1981EP0031604A1 Rotary stirrer with internal heating
07/07/1981US4277316 Distillation from horizonally rotating vessel, discharging free-flowing residue
07/07/1981US4277311 Apparatus for distillation
07/07/1981US4277268 Heat pump fractionation process
07/07/1981CA1104518A1 Water distiller
07/01/1981EP0031097A1 Method for distilling ethyl alcohol
06/1981
06/30/1981US4276244 Tower or column
06/30/1981US4276242 Vapor-liquid contact grid apparatus
06/30/1981US4276126 Azeotropic distillation, hydrocarbons
06/30/1981US4276125 Rectification, hydrogen cyanide
06/23/1981US4275022 Used in distillation towers
06/23/1981US4275021 Gas-liquid contacting tray with improved inlet bubbling means
06/23/1981US4274944 Crude oil
06/23/1981CA1103592A1 Degassing column
06/16/1981US4273659 Removing potassium salts from distiller's wash
06/16/1981US4273621 High pressure distillation, drying with molecular sieve zeolite
06/16/1981US4273618 Baffle for alcohol stills
06/10/1981EP0030200A2 Apparatus for the regeneration of spent solvents and use of the said apparatus
06/10/1981EP0029843A1 Process for storing heat, in particular at low temperature
06/09/1981US4272371 Lubricating oil filter-refiner for internal combustion engines
06/09/1981US4272344 Polymerization inhibitor for vinyl aromatic compounds
06/09/1981US4272326 Enhanced distillation of cyclohexanol from phenol with additional cyclohexanone feed
06/03/1981EP0029678A1 Recovery of C2 hydrocarbons from demethanizer overhead
06/02/1981US4270974 Process and apparatus for recovering clean water and solids from aqueous solids
06/02/1981US4270940 Condensation, rectification in dephlegmator, return to demethanizer
06/02/1981CA1102096A1 Method and device for washing and aerating gaseous mixes
06/02/1981CA1102095A1 Vapor-liquid contacting system
05/1981
05/28/1981WO1981001459A1 Cryogenic distillative separation of acid gases from methane
05/27/1981EP0029324A1 A distillative method of separating a methane overhead product from a mixture thereof with an acid gas, and the products thus obtained
05/27/1981EP0029156A1 Process for the production of colour-stable o-chloranilin
05/26/1981US4269667 Feeding a solution of acrylonitrile, water, and impurities into the upper quarter of a column above the sidestream removal point; vacuum distillation
05/26/1981US4269664 Liquid treating and distillation apparatus
05/26/1981US4269663 Water distiller
05/26/1981CA1101877A1 Process for recovery of ethylene oxide containing low levels of aldehydic impurities
05/26/1981CA1101787A1 Separation of multicomponent mixtures
05/19/1981US4268306 Process for removing mercury from solid waste material
05/19/1981US4267978 Liquid distribution device in liquid-vapor contact apparatus
05/19/1981CA1101193A1 Improved method and device for washing gaseous mixtures and extracting blisters therefrom
05/14/1981WO1981001326A1 Method of cooling and heating by solar heat while dehumidifying
05/14/1981WO1981001251A1 Cascade mounted columns mixing installation with a plurality of stages,without stirrers for liquid or gas homogeneous systems
05/12/1981US4267015 Process for cooling hot concentrated milk coming from an evaporator, by expansion by stages
05/12/1981US4266949 Removal of monomers from polymers
05/05/1981US4265857 In-line distillation system
05/05/1981US4265736 Recovery of heat in a tray-type tower
05/05/1981US4265731 Separation and processing of crude oil
05/05/1981US4265713 Method and apparatus for distillation
05/05/1981US4265711 Method of enhancing distillate yield in a hydrocarbonaceous material thermocracking process
05/05/1981CA1100432A1 Process for rectification of miscellas from extraction of oleaginous seeds
05/05/1981CA1100430A1 Method and apparatus for high volume distillation of liquids
05/05/1981CA1100293A1 Process for carrying out reactions caused by the transport of substances
05/05/1981CA1100286A1 Process for separation of nh.sub.3 and co.sub.2 from mixtures containing them
04/1981
04/28/1981US4264538 Liquid distributor
04/21/1981US4263102 Series of controlled evaporations
04/21/1981US4262791 For crude oil distillation unit
04/21/1981CA1099661A1 Fractionation control
04/14/1981US4261954 Coker blow down recovery system
04/14/1981US4261838 By-pass oil filtration system for internal combustion engines
04/14/1981US4261814 Vacuum pipestill operation
04/14/1981US4261798 Method of purifying readily polymerizable vinyl monomers
04/14/1981US4261796 Self-cleaning fractional water distiller
04/07/1981US4260459 Vented water distiller
04/07/1981US4260457 Apparatus for continuous azeotropic processing of vegetable and protein material
04/07/1981CA1098857A1 Apparatus for separating mixtures of materials
03/1981
03/25/1981EP0025432A1 Method and apparatus for the recovery of solvent from a solution, in particular an extract, and for storing the recovered solvent
03/24/1981US4258021 Method of producing UO2 wherein methanol wash is provided
03/24/1981US4258019 Process of regenerating alkali carbonate solutions formed by the desulfurization of hot gases
03/24/1981US4257852 Distillation of aqueous tertiary butyl hydroperoxide
03/24/1981CA1098027A1 Hinged pressure relief tray
03/24/1981CA1098026A1 Vapor compression liquid treating system
03/17/1981US4256675 Method for generating super atmospheric pressures of sensitive materials in a gas stream
03/17/1981US4256674 Counter-current gas-liquid contact apparatus
03/17/1981CA1097766A1 Furnace control
03/17/1981CA1097565A1 Vapour-liquid contacting
03/17/1981CA1097478A1 Production of chlorine dioxide
03/11/1981EP0024788A1 Purification of acrylonitrile
03/10/1981US4255363 Column seal
03/10/1981US4254943 Apparatus for removing mercury from solid waste material
03/10/1981CA1097254A1 Recovery of chemical components of cellulosic regenerating solution
03/05/1981WO1981000612A1 Process for storing heat,in particular at low temperature
03/03/1981CA1096977A1 Injectors with deflectors for their use in gassing liquids
03/03/1981CA1096808A1 Water distiller of boiler-condenser type
03/03/1981CA1096624A1 Method for cryogenic separation of carbon dioxide from hydrocarbons
02/1981
02/25/1981EP0024097A1 Apparatus and process for treating a fluid material while it is subjected to a centrifugal force
02/24/1981US4252616 Water distillation apparatus and method
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