| 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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| 04/24/1979 | US4151232 Superposed plates |
| 04/24/1979 | US4150957 Celaning plates continuously, countercurrent flow |
| 04/18/1979 | EP0001448A1 Vapor-liquid contacting tray |
| 04/17/1979 | CA1052686A1 Packing material |
| 04/17/1979 | CA1052685A1 Removal of mass or energy from a gas in a packed column with fibrous bed |
| 04/10/1979 | US4148990 Continuous removal of monomers from an aqueous dispersion of a polymer |
| 04/10/1979 | US4148693 Horizontal cylindrical distillation apparatus |
| 04/03/1979 | US4146950 Methods for forming bubble cap assemblies for a gas and liquid contact apparatus |
| 03/20/1979 | US4145245 Adapted to meet emergent demands for distilled water |
| 03/20/1979 | CA1050922A1 Water purification system |
| 03/06/1979 | US4143119 Method and composition for inhibiting the corrosion of ferrous metals |
| 02/27/1979 | US4142058 Method of separating and purifying methacrylic acid |
| 02/27/1979 | US4141799 Process for the purification of high-melting organic products |
| 02/27/1979 | US4141696 Process for gas cleaning with reclaimed water and apparatus for water reclamation |
| 02/27/1979 | US4141695 Process for gas cleaning with reclaimed water |
| 02/27/1979 | CA1049230A1 Vapor-liquid contact methods and means |
| 02/20/1979 | US4140588 Purification of propylene oxide by extractive distillation |
| 02/20/1979 | US4140586 Method and apparatus for distillation |
| 02/20/1979 | US4140585 Atomizing, heat exchanging, to prevent desublimation |
| 02/20/1979 | US4140584 Plastic condensation tubes extend throughout |
| 02/20/1979 | US4140212 Cyclonic distillation tower for waste oil rerefining process |
| 02/20/1979 | CA1048961A1 Process for the control of a continuous distillation process |
| 02/13/1979 | US4139696 Contacting dimer-containing 2-pyrrolidone with aqueous alkaline hydroxide, dehydrating, carbonating |
| 02/13/1979 | US4139585 Valve for the introduction of gas |
| 02/13/1979 | US4139420 Radioactive contamination |
| 02/13/1979 | US4139418 Method and apparatus for the distillation purification of organic heat transfer fluids |
| 02/13/1979 | CA1048523A1 Recovery of solvents employed in the production of isocyanates from esters of carbamic acids (urethanes) |
| 02/07/1979 | EP0000566A1 Process for recovery of olefinic nitriles |
| 02/06/1979 | US4138424 Method for removing tar from crude tolylene diisocyanate |
| 01/30/1979 | US4137134 Method for the recovery of sulphur compounds, volatile alcohols, turpentine and the like produced in connection with pulping |
| 01/30/1979 | US4137129 Flashing bottoms liquid stream to produce cool liquid which is used to condense overhead vapors |
| 01/30/1979 | US4137023 Low energy recovery compounding and fabricating apparatus for plastic materials |
| 01/30/1979 | CA1047436A1 Preparation of hop oil |
| 01/30/1979 | CA1047435A1 Method and apparatus for concentrating aqueous solutions |
| 01/30/1979 | CA1047386A1 Refrigerative fractionation of cracking-gases in ethylene production plants |
| 01/24/1979 | EP0000463A1 Method for separating toluene diisocyanate from fabrication process residues |
| 01/23/1979 | US4135984 Water distiller |
| 01/16/1979 | US4134939 Liquid distributor for thin-film, tube-bundle apparatus |
| 01/16/1979 | US4134797 Process for recovery of ethylene oxide containing low levels of aldehydic impurities |
| 01/16/1979 | US4134732 Floating methanol plant |
| 01/09/1979 | US4133852 Hinged pressure relief tray |
| 01/09/1979 | US4133644 Catalytic reactor-fractionator apparatus |
| 01/09/1979 | US4133184 Method of flow stabilization in a tube and shell vaporizer |
| 01/02/1979 | US4132761 Gas-liquid contacting |
| 01/02/1979 | US4132604 Atomizing, heat exchanging |
| 01/02/1979 | US4132603 Polymerization inhibitor for vinyl aromatic compounds |
| 01/02/1979 | US4132602 Distillation in presence of 2-halo-6-nitro-p-cresol |
| 01/02/1979 | US4132601 Polymerization inhibitor for vinyl aromatic compounds |
| 12/26/1978 | US4131741 Cobalt-catalyzed oxidation of C3 to C7 saturated aliphatic hydrocarbons to oxygenated products |
| 12/26/1978 | US4131538 Method of separating a predetermined fraction from petroleum oil using multistage evaporators |
| 12/19/1978 | US4130456 Apparatus for removing unreacted monomer from slurry |
| 12/12/1978 | US4129626 Vapor-liquid contacting apparatus |
| 12/12/1978 | US4129606 Temperature control of integrated fractionation column and reaction zone |
| 12/12/1978 | US4129425 Gas-absorption process |
| 12/05/1978 | US4128410 Natural gas treatment |
| 11/28/1978 | US4127164 Heat exchange apparatus |
| 11/21/1978 | CA1042834A1 Solvent for the separation of diolefins from mixtures containing the same |
| 11/14/1978 | US4125595 Process for the production of very pure bromine |
| 11/07/1978 | US4124660 Process and apparatus for mixing gases and liquids |
| 11/07/1978 | US4124496 High pressure, multistage flashing |
| 11/07/1978 | US4124452 Unsymmetrical dimethylhydrazine |
| 10/17/1978 | US4120919 Quick opening removable tray sections for fluid contact |
| 10/17/1978 | US4120756 Method for purifying a liquid by pressure distillation |
| 10/10/1978 | US4119497 Reacting hydrogen cyanide and acrylonitrile impurities, azeotropic distillation |
| 10/10/1978 | US4119485 Heat exchangers and evaporators |
| 10/10/1978 | CA1040130A1 Purification of 1,4-butanediol |
| 10/03/1978 | US4118446 Valve tray for mass-exchange apparatus |
| 10/03/1978 | US4118286 Process for reducing the acidity of organic polymeric isocyanates |
| 10/03/1978 | US4118285 Separation of liquid mixtures |
| 10/03/1978 | US4118283 Apparatus for desalinating water |
| 09/26/1978 | US4117048 Apparatus for introducing gas into a liquid |
| 09/26/1978 | US4116821 Method and apparatus for processing a petroleum production stream |
| 09/26/1978 | CA1039028A1 Production of freeze-dried metal salts |
| 09/19/1978 | US4115316 Dispersion, vaporization |
| 09/19/1978 | US4115207 Separation of phenol-, cyclohexanone-, and cyclohexylbenzene-containing mixtures employing a trisubstituted phosphate |
| 09/19/1978 | US4115206 Separation of phenol-, cyclohexanone-, and cyclohexylbenzene-containing mixtures employing an organic carbonate |
| 09/19/1978 | US4115205 Extractive distillation |
| 09/19/1978 | US4115204 Extractive distillation |
| 09/12/1978 | US4113573 Method of and apparatus for steam stripping immiscible materials |
| 09/12/1978 | US4113571 Water distiller of boiler-condenser type |
| 09/05/1978 | US4111759 Process for separating ammonia and acid gases from waste waters containing fixed ammonia salts |
| 08/29/1978 | US4110177 Process for recovery and purification of a perfluorocarboxylic acid fluoride from electrochemical cell fluorination effluent |
| 08/29/1978 | US4110170 Home water distiller |
| 08/22/1978 | US4108718 Vapor filtration process and system |
| 08/22/1978 | CA1036967A1 Process for separating hydrocarbon materials |
| 08/15/1978 | US4107241 Distillation columns, absorption columns |
| 08/15/1978 | US4107002 Process for the purification of crude acetic anhydride |
| 08/08/1978 | US4105723 Vapor-liquid contacting |
| 08/08/1978 | US4105688 Process for the production of malonic acid dinitrile and purification thereof |
| 08/08/1978 | CA1036075A1 Hollow fibre apparatus |
| 08/01/1978 | US4104338 Bubble cap tray |
| 08/01/1978 | US4104131 Process for separating ammonia and acid gases from waste waters containing fixed ammonia salts |
| 08/01/1978 | US4104112 Method and apparatus for concentrating aqueous solutions |
| 08/01/1978 | US4104038 Stripping ammonia and other gases, sodium hydroxide, calcium hydroxide, oxygen |
| 07/25/1978 | US4102753 Distillation of meta-chloronitrobenzene in the presence of a distillation adjuvant |
| 07/18/1978 | US4101610 Liquid-gas contacting tray |
| 07/18/1978 | US4101594 Method for drying a hydrocarbon conversion apparatus |
| 07/11/1978 | US4099938 Gas scrubber |
| 07/11/1978 | US4099925 Apparatus for desulfurization of flue gas |
| 07/04/1978 | US4098582 Method of accelerating contact reactions in fluids and apparatus therefor |