Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
06/1982
06/09/1982EP0053410A1 Process for the removal of urea, ammonia and carbon dioxide from dilute aqueous solutions
06/08/1982US4333894 For liquid-vapor contact
06/08/1982US4333822 Method of treating waste engine oils
06/08/1982US4333801 Recovery of a cumene/alpha-methylstyrene fraction from a mixture thereof with phenol and water
06/08/1982US4333799 Purification and recovery of ethylene dichloride
06/08/1982CA1125218A1 Process and apparatus for reducing the energy required to separate liquids by distillation
06/01/1982US4332644 Process for separating trioxane
06/01/1982US4332643 Method of removing water from glycol solutions
06/01/1982US4332642 Paired stage flash evaporator having improved distillate collection
05/1982
05/26/1982EP0052352A1 Process and system for producing concentrated alkohol and distillery slop with a reduced amount of energy
05/25/1982US4331514 Still
05/25/1982US4331513 Apparatus for purifying a vaporizable liquid
05/25/1982CA1124169A1 Cryogenic distillative separation of acid gases from methane
05/25/1982CA1124043A1 Apparatus for contacting substances which occur in the form of at least two different phases
05/18/1982US4330373 For sea water
05/18/1982CA1123653A1 Removing potassium salts from distillers' wash
05/13/1982WO1982001475A1 Improved distillation apparatus
05/12/1982EP0051142A1 Flow-promoting devices for open, heated box trays
05/11/1982US4329206 Alcohol distillation apparatus
05/11/1982US4329198 Apparatus for forced circulation evaporation
05/04/1982US4328177 Vapor-liquid contacting apparatus
05/04/1982US4328075 Removal of cyanides from acetonitrile
05/04/1982US4328074 Production of concentrated alcohol and distillery slop
05/04/1982US4328073 Automatic computer-operated starting and shutdown
05/04/1982US4328010 Process for the recovery of pure cyanogen chloride
05/04/1982CA1122782A1 Mass transfer process
04/1982
04/29/1982WO1982001323A1 Absorption heat pump augmented thermal separation process and apparatus
04/27/1982US4327184 Inert-gas stripping and distillation apparatus
04/27/1982US4326926 Method of distilling a volatile constituent from a liquid mixture
04/21/1982EP0049784A2 Process to remove residual vinyl-chloride from vinyl-chloride polymers
04/20/1982US4325923 Contacting of plural phases
04/20/1982CA1121984A1 Apparatus for eliminating residual solvent from crumbled polymer
04/20/1982CA1121982A1 Purification of aluminium chloride
04/14/1982EP0049584A1 Distillation system
04/13/1982US4324749 Three-dimensional exchange element for liquid guidance in liquid-gas contact systems
04/06/1982US4323431 Controlled pressure in a continuous rectification process
04/06/1982US4323430 Process for separating ammonia and acid gases from streams containing fixed ammonia salts
04/06/1982US4323429 Spent solvent purification apparatus
04/06/1982US4323109 Open cycle heat pump system and process for transferring heat
04/01/1982WO1982000958A1 Reverse absorption heat pump augmented distillation process
03/1982
03/31/1982EP0048596A1 Apparatus for removing salts and foreign matter from liquids (water)
03/30/1982US4322367 Deoiling of aqueous solutions of sodium lauryl sulfate
03/30/1982US4322265 Atmospheric glycol reclaimer with vapor recycle
03/24/1982EP0048239A1 Two-phase counterflow device
03/24/1982EP0048088A2 Centrifugal gas-liquid contact apparatus
03/24/1982EP0047830A1 Process for the preparation of alkyl esters of saturated aliphatic carboxylic acids
03/23/1982CA1120408A1 Apparatus for clarifying waste water
03/23/1982CA1120396A1 Device for feeding liquids into material and heat exchanger columns
03/23/1982CA1120238A1 Rotary film apparatus
03/16/1982US4319965 Barometric distillation system
03/16/1982US4319964 Apparatus for high volume distillation of liquids
03/16/1982US4319410 Dryer system for drilling mud cuttings
03/16/1982CA1119995A1 Distillation method and apparatus for making motor fuel grade anhydrous alcohol
03/16/1982CA1119816A1 Low energy process for the recovery of copper from ammonia solutions via copper sulphite
03/10/1982EP0047085A2 Centrifugal gas-liquid contact apparatus
03/10/1982EP0046980A1 Method and apparatus of distillation for readily polymerizable liquid
03/10/1982EP0046876A1 Process for the treatment of the bottom product of extractive-distillation processes for obtaining pure hydrocarbons
03/09/1982US4319330 Fractional distillation column control
03/09/1982US4319021 Method for high temperature phase separation of solutions containing ethylene copolymer elastomers
03/09/1982US4318870 Baffles
03/09/1982US4318780 Multi-stage flash evaporator design
03/09/1982US4318772 Crystallization
03/09/1982US4318723 Solidification prevention
03/09/1982CA1119552A1 Rectification process and apparatus for carrying out said process
03/03/1982EP0046528A1 Heat-engineering apparatus for carrying out thermo-dynamical processes comprising a pair of mutually opposite phase transitions of a work medium
03/02/1982US4317787 Device for distributing a liquid in thin-film form in vertical heat-exchangers
02/1982
02/23/1982US4316775 Treatment of waste stream from adipic acid production
02/23/1982US4316774 Thermoelectric integrated membrane evaporation system
02/23/1982US4316772 Water separators
02/23/1982CA1118707A1 Vapor-liquid contacting tray with vapor thrust means
02/23/1982CA1118705A1 Selective condensation process and condenser apparatus
02/17/1982EP0045912A1 Process for drying a suspension in a pumpable state
02/16/1982US4316255 Fractional distillation process control
02/16/1982US4315815 Process for separating bituminous materials and recovering solvent
02/16/1982US4315803 Openings, ribs for uniform flow
02/16/1982US4315802 Process and apparatus for fractionating close boiling components of a multi-component system
02/16/1982CA1118337A1 Weeping-resistant vapor-liquid contacting tray
02/10/1982EP0045699A1 Method for the rectification of binary mixtures with a heat pump, and means for realising this method
02/09/1982US4314972 Multi-stage hydrogen water isotopic exchange column
02/09/1982US4314890 Automatically fed distillation and fractionation system
02/09/1982US4314886 For dewaxing hydrocarbons
02/09/1982CA1117978A1 Process for recovery of olefinic nitriles
02/03/1982EP0045270A1 Process for separation of zirconium- and hafnium tetrachlorides from a mixture comprising such chlorides and apparatus therefor
02/03/1982EP0044861A1 Method and apparatus for high volume fractional distillation of liquids
02/02/1982US4313908 Hydroprocessing, refining
02/02/1982US4313311 Vapor generating and recovering apparatus
01/1982
01/27/1982EP0044428A1 Process to obtain a concentrated stillage during the production of alcohol from starch or starch-containing raw materials
01/27/1982EP0044366A1 Distillative freezing process for separating close boiling mixtures
01/26/1982US4312710 Multistage flash evaporator
01/26/1982CA1117070A2 Economic solar energy concentration and collection
01/19/1982US4311564 Distillation process and apparatus for a barge-mounted plant
01/12/1982US4310475 Tower packing assembly
01/12/1982US4310387 Obtaining fresh water
01/12/1982US4310382 Method of and a device for vaporizing and recovering water from aqueous solutions
01/12/1982CA1116072A1 Supply device for use with evaporative contact bodies
01/06/1982EP0043023A1 Hydrous alcohol distillation method and apparatus
01/05/1982US4309254 Anhydrous alcohol from fermented feed
12/1981
12/29/1981US4308131 Method of improving thermal efficiency of sidedraw fractionating columns
12/29/1981US4308130 Crude oil distillation
12/29/1981US4308111 Distillation process