| 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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| 02/19/1980 | US4188796 Method of and apparatus for the cooling (quenching) of cracking gases |
| 02/12/1980 | CA1071527A1 Apparatus and process for use in absorbing in a liquid medium a gas which evolves heat on absorption |
| 02/06/1980 | EP0007846A1 Device for treating substances of different phases such as liquid, semi-liquid or pasty substances, by another phase, particularly a gaseous phase |
| 02/05/1980 | US4187370 Polymerization and recovery of 2-pyrrolidone with acid treatment |
| 02/05/1980 | US4187152 Extractive distillation for separating ketones and/or alcohols from phenol and/or cresol |
| 01/29/1980 | US4186061 Fractionation of methyl-mercaptan reactor effluent |
| 01/29/1980 | US4186060 Method and apparatus for high volume distillation of liquids |
| 01/29/1980 | US4186059 Water, methyl ethyl ketone, toluene |
| 01/29/1980 | US4186058 Method and apparatus for high volume distillation of liquids |
| 01/29/1980 | US4185978 Method for cryogenic separation of carbon dioxide from hydrocarbons |
| 01/29/1980 | CA1070485A1 Process for contacting substances which occur in different phases |
| 01/22/1980 | US4184967 Apparatus for clarifying waste water |
| 01/22/1980 | US4184857 Stripping column and process for removal of volatile matter |
| 01/15/1980 | US4183787 Circulation of gas/liquid mixtures |
| 01/09/1980 | EP0006612A2 Vapor generating and recovering apparatus |
| 01/08/1980 | US4182658 Emergency polymerization inhibitor system for vinyl aromatic compounds |
| 01/08/1980 | US4182657 Floating pressure control of fractionator system |
| 01/08/1980 | CA1069457A1 Process for drying water-wet methyl chloride |
| 01/01/1980 | US4181577 Refrigeration type water desalinisation units |
| 12/25/1979 | US4180438 Process for the preparation of sump product |
| 12/25/1979 | CA1068638A Regeneration of regenerable aqueous scrubbing solutions used for removing acidic gases from gas mixture |
| 12/18/1979 | US4179487 High liquid through put capacity |
| 12/18/1979 | US4179328 Dehydration |
| 12/18/1979 | CA1068303A1 Process for the purification of acetonitrile |
| 12/18/1979 | CA1068234A1 Process for concentrating halogenoanthraquinones |
| 12/11/1979 | CA1067816A1 Damper assembly for mobile bed scrubber |
| 12/04/1979 | US4177110 Phenothiazine and tert-butyl catechol |
| 12/04/1979 | CA1067395A1 Circulation of gas/liquid mixtures |
| 12/04/1979 | CA1067393A1 Wet scrubber apparatus with contact element removal |
| 11/27/1979 | US4176023 Delsalinization and chemical extraction process |
| 11/20/1979 | US4175034 Closed-loop vacuum fractionation process |
| 11/20/1979 | CA1066684A1 Regeneration of liquid desiccants and acid gas absorbing liquid desiccants |
| 11/20/1979 | CA1066611A1 Device for separating impurities from gases by means of a washing liquid |
| 11/14/1979 | EP0005138A1 Process for producing synthesis gas with wash water purification and novel flash column for use in said process |
| 11/13/1979 | US4174363 For eliminating liquid flow stagnation |
| 11/13/1979 | US4174273 Separating exchangers |
| 11/13/1979 | CA1066218A1 Polymerization inhibitor for vinyl aromatic compounds |
| 10/23/1979 | CA1064833A1 Degassing column |
| 10/23/1979 | CA1064813A1 Gas-liquid exchange column |
| 10/17/1979 | EP0004641A2 Process for preparing carboxylic anhydrides |
| 10/16/1979 | US4171427 Process for continuously removing monomers from an aqueous dispersion of a polymer |
| 10/16/1979 | US4171335 Contact plate for mass-exchange columns |
| 10/16/1979 | US4171245 Extractive distillation with hydrocarbon solvent of mixture of hydrocarbyl aromatic compound, hydroxy aromatic compound and carbonyl compound |
| 10/09/1979 | US4170548 Multistage, circulation |
| 10/09/1979 | US4170522 Fluid refining method |
| 10/09/1979 | CA1064171A1 Treatment of aqueous waste |
| 10/09/1979 | CA1063927A1 Feed system for packed bed |
| 10/09/1979 | CA1063926A1 Multiple cross-flow contacting system |
| 10/09/1979 | CA1063777A1 Distillation column reactor and process |
| 09/19/1979 | EP0004084A2 Vapor-liquid contacting tray with vapor thrust means |
| 09/11/1979 | US4167521 Recovery of nitrated compounds using solvent extraction and distillation |
| 09/11/1979 | US4167475 Fractionation process, control system and apparatus |
| 09/11/1979 | US4167455 Floating pressure control of fractionator system |
| 09/11/1979 | CA1062193A1 Automatic distilling system |
| 09/04/1979 | US4166773 Continuous process for separating high boiling, heat sensitive materials |
| 09/04/1979 | US4166770 Fractionation control |
| 09/04/1979 | US4166483 Programmable fraction collector |
| 09/04/1979 | CA1061792A1 Recovery of 2-pyrrolidone |
| 08/28/1979 | US4166008 Process for recovery of olefinic nitriles |
| 08/21/1979 | CA1060836A1 Systematized method and control of fractionation heat balance |
| 08/21/1979 | CA1060835A1 Fractionation heat balance control system |
| 08/14/1979 | CA1060431A1 Liquid distributor for thin-film, tube-bundle apparatus |
| 08/14/1979 | CA1060375A1 Apparatus for desalinating sea water |
| 08/07/1979 | US4163695 Fractionation process and apparatus |
| 08/07/1979 | US4163652 Refrigerative fractionation of cracking-gases in ethylene production plants |
| 08/07/1979 | US4163648 Process for separation of ammonia and carbon dioxide |
| 07/31/1979 | US4162971 Injectors with deflectors for their use in gassing liquids |
| 07/31/1979 | US4162970 Injectors and their use in gassing liquids |
| 07/31/1979 | US4162946 Process for concentrating halogenoanthraquinones |
| 07/24/1979 | US4162201 Purification and recovery of ethylene dichloride |
| 07/24/1979 | US4162200 From methanol solution by extractive distillation |
| 07/24/1979 | US4162198 Separation of a mixture of C4 -hydrocarbons by extractive distillation |
| 07/24/1979 | US4162145 Distilling mixture of water, a glycol and naphtha |
| 07/24/1979 | CA1059247A1 Process and apparatus for removing gaseous monomers from polyvinyl chloride/water dispersions |
| 07/17/1979 | US4161429 Cyclohexane entrainer, generation of useable steam |
| 07/11/1979 | EP0002820A1 Process for reducing the monomer content of shear force sensitive and/or temperature sensitive polymer dispersions |
| 07/10/1979 | US4160725 Removal of phenolic compounds and ammonium compounds by stripping |
| 06/27/1979 | EP0002568A1 Mass transfer apparatus and its use |
| 06/26/1979 | US4159291 Outlet means for vapor-liquid contacting tray |
| 06/26/1979 | US4159227 Dual temperature direct contact condenser sumps |
| 06/26/1979 | CA1057229A1 Reclamation apparatus |
| 06/26/1979 | CA1057222A1 Distillation column reboiler control system |
| 06/19/1979 | CA1056849A1 Process for preparing acetic acid |
| 06/19/1979 | CA1056760A1 Separation of liquid mixtures |
| 06/19/1979 | CA1056715A1 Grids for fluid contact apparatus |
| 06/12/1979 | US4158092 Spray treatment, gasification, degassing |
| 06/12/1979 | US4157905 Heat-exchanger trays and system using same |
| 06/05/1979 | CA1055838A1 Liquid distributor |
| 05/29/1979 | US4156713 Production of chlorine dioxide |
| 05/29/1979 | US4156705 Inclined screen tray tower |
| 05/29/1979 | US4156632 Condensation |
| 05/29/1979 | US4156631 Home use; water |
| 05/29/1979 | CA1055419A Purification of phosphoric acid |
| 05/15/1979 | US4154658 Codistillation with a solvent |
| 05/15/1979 | CA1054554A1 Fractionation to remove a high-boiling material and a dissolved substance |
| 05/15/1979 | CA1054553A1 Method for controlling the reboiler section of a dual reboiler distillation column |
| 05/08/1979 | US4153500 Thin film coating evaporator |
| 05/01/1979 | US4152219 Separation of ethylamines |
| 05/01/1979 | US4152196 Stripping solution or suspension of metal compounds with steam |
| 05/01/1979 | CA1053601A1 Extractive distillation |