| 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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| 02/24/1981 | US4252615 Polymerization inhibitor for vinyl aromatic compounds |
| 02/24/1981 | US4252614 Control of multiple feed fractional distillation column |
| 02/19/1981 | WO1981000412A1 Solvent recovery process |
| 02/17/1981 | US4251219 Apparatus for and method of determining contaminants on low pressure condensate |
| 02/17/1981 | CA1095827A1 Regular packing element for mass transfer columns |
| 02/11/1981 | EP0023745A2 Process and apparatus for effecting mass transfer |
| 02/10/1981 | US4249864 Centrifugal pump system for water desalinization |
| 02/10/1981 | CA1095454A1 Method and apparatus for distillation of crude water |
| 02/10/1981 | CA1095453A1 Separating water from gas mixtures formed in the manufacture of vinyl acetate |
| 02/03/1981 | US4248672 Venting evaporated impurities to prevent recontamination of distillate |
| 02/03/1981 | US4248608 Process for purifying liquids and/or regenerating absorbent solutions |
| 01/27/1981 | US4247521 Liquid-liquid contacting system |
| 01/27/1981 | US4247371 Precipitating scale-forming compounds from water, and forming fresh water |
| 01/27/1981 | US4247369 Apparatus for continuous distillation |
| 01/27/1981 | US4247368 Apparatus for distillation column side stream withdrawal |
| 01/27/1981 | CA1094500A1 Method and apparatus for distillation |
| 01/27/1981 | CA1094295A1 Process and apparatus for producing and maintaining a fluidized bed in a heterogeneous system |
| 01/20/1981 | US4246417 Treatment of waste water from nitrile production |
| 01/20/1981 | US4246120 Fluid treatment apparatus |
| 01/20/1981 | US4246116 Degreaser freeboard control |
| 01/20/1981 | US4246073 Heat exchanging |
| 01/20/1981 | US4246070 Fractional distillation column pumparound heat removal control |
| 01/20/1981 | CA1094090A1 No translation available |
| 01/14/1981 | EP0022158A1 Column having trays with inclined apertures |
| 01/13/1981 | CA1093497A1 Multiple-stage flash evaporation unit and a process for using such unit |
| 01/07/1981 | EP0022114A1 Distillation device |
| 01/07/1981 | EP0021594A1 A distillation process and apparatus |
| 01/07/1981 | EP0021479A1 Process and plant for the removal of acidic components |
| 01/07/1981 | EP0021021A1 Device for the recovery of xylene and/or paraffin and similar substances for histological purposes |
| 01/06/1981 | US4243493 Process for transportation and distillation of petroleum with methanol |
| 01/06/1981 | CA1092788A1 Gas/liquid contacting |
| 12/30/1980 | US4242530 Process for separating isobutene from C4 streams |
| 12/23/1980 | CA1092052A1 Process for separating ammonia and acid gases from waste waters containing fixed ammonia salts |
| 12/23/1980 | CA1092051A1 Process for separating ammonia and acid gases from waste waters containing fixed ammonia salts |
| 12/23/1980 | CA1091900A1 Liquid-gas contactor and liquid-gas contact process |
| 12/23/1980 | CA1091894A1 Process for the preparation of concentrated solutions of hydrazine hydrates |
| 12/16/1980 | US4239926 Removing water from tertiary butyl alcohol |
| 12/16/1980 | US4239618 Lower heat requirements |
| 12/16/1980 | US4239601 Water distiller with volatile pollutants removal stage |
| 12/16/1980 | US4239517 Fractionator feed tank pressure control |
| 12/16/1980 | US4239515 Gas-liquid contact reaction apparatus |
| 12/16/1980 | CA1091614A1 Pressure responsive fractionation control |
| 12/10/1980 | EP0020055A1 Process and apparatus for effecting mass transfer |
| 12/09/1980 | US4238296 Process of desalination by direct contact heat transfer |
| 12/09/1980 | US4238295 Heat exchanging |
| 12/09/1980 | US4238212 Control of a fractional distillation column |
| 12/09/1980 | CA1090958A1 Method for the recovery of sulphur compounds, volatile alcohols, turpentine and the like produced in connection with pulping |
| 12/02/1980 | US4236973 Method of removing contaminants from water |
| 12/02/1980 | US4236958 Apparatus for eliminating residual solvent from crumbled polymer |
| 12/02/1980 | CA1090539A1 Gas-absorption process |
| 11/26/1980 | EP0019400A2 Twin tower distillation of crude oil |
| 11/26/1980 | EP0019303A2 Process for extracting xenon and/or krypton from a carrier gas |
| 11/25/1980 | US4235706 Multistage condensation process |
| 11/25/1980 | US4235680 Method for desalinating water by preheating and distillation with solar energy |
| 11/25/1980 | CA1090282A1 Water distilling unit |
| 11/25/1980 | CA1090281A1 Process for separating acid gases and ammonia from dilute aqueous solutions thereof |
| 11/18/1980 | US4234391 Continuous distillation apparatus and method |
| 11/11/1980 | US4233267 Combined batch reactor system and continuous distillation apparatus |
| 11/11/1980 | US4233120 Distillation method for solvent recovery |
| 11/11/1980 | CA1089402A1 Water distiller with cone shaped condenser |
| 11/11/1980 | CA1089401A1 Reflux return system |
| 11/11/1980 | CA1089198A1 Liquid-liquid contacting system |
| 11/04/1980 | US4232177 Catalytic distillation process |
| 11/04/1980 | US4232134 Solvent-free uncrosslinked novolak by evaporation in a helix |
| 11/04/1980 | US4231839 After-treatment processes and apparatus, especially for urea and ammonium nitrate plants |
| 11/04/1980 | CA1089146A1 Monomer removal from the slurry of vinyl chloride resin with steam by using improved plate tower |
| 10/29/1980 | EP0017972A1 Fluidised-bed recovery of tolylene diisocyanate and/or high boiling solvents from distillation residues of the production of tolylene diisocyanate |
| 10/29/1980 | EP0017774A1 Process for the regulation of the amount of heat which is fed to the bottom of an extraction column |
| 10/28/1980 | US4230536 Vaporization, condensation |
| 10/28/1980 | US4230535 Heat exchanging, condensation |
| 10/28/1980 | US4230534 Control of a fractional distillation column |
| 10/28/1980 | US4230533 Fractionation method and apparatus |
| 10/28/1980 | US4230530 Self-cleaning water distiller with intermittent overflow |
| 10/28/1980 | US4230529 Distillation apparatus |
| 10/28/1980 | CA1088681A1 Injectors and their use in gassing liquids |
| 10/28/1980 | CA1088513A1 Apparatus for heating a liquid suspension by another liquid suspension |
| 10/21/1980 | US4229284 Corrosion control method using methoxypropylamine (mopa) in water-free petroleum and petrochemical process units |
| 10/21/1980 | US4229263 Recovery of methyl heptafluorobutyrate from methanol by distillation |
| 10/21/1980 | US4229262 Extractive distillation |
| 10/21/1980 | US4229261 Organic acids and esters |
| 10/21/1980 | CA1088021A1 Modified process for resin manufacturing using a continuous separate distillation column |
| 10/15/1980 | EP0017459A1 Process for removing water from surfaces of articles and water removing bath for use in the process |
| 10/14/1980 | US4227972 Process for recovering phosphate ester type hydraulic fluids from industrial waste liquids |
| 10/14/1980 | US4227373 Waste heat recovery cycle for producing power and fresh water |
| 10/07/1980 | US4226669 Vacuum centrifuge with magnetic drive |
| 10/01/1980 | EP0016506A2 Process for increasing the efficiency of the separation of a solution into its volatile and non-volatile components |
| 10/01/1980 | EP0016429A2 Rectification apparatus |
| 10/01/1980 | EP0016284A1 Process for the production of a sulphur-free butene-1 rich stream |
| 09/30/1980 | US4225541 Contact tray for mass and heat exchange apparatus |
| 09/30/1980 | US4225394 Reclamation of spent glycol by treatment with alkali metal hydroxide and distillation |
| 09/30/1980 | US4225326 Device for separating impurities from gases by means of a washing liquid |
| 09/30/1980 | CA1086874A1 Treatment of a liquid by circulation and gas contacting |
| 09/30/1980 | CA1086481A1 Apparatus for the manufacture of vinyl chloride polymers |
| 09/23/1980 | US4224112 Recovery of 1,1-dihydroheptafluorobutanol from water by distillation |
| 09/23/1980 | US4223696 Apparatus for the purpose of avoiding pressure drop between a gaseous or vaporous phase and a liquid phase |
| 09/18/1980 | WO1980001881A1 Method and apparatus for the recovery of solvent from a solution,in particular an extract,and for storing the recovered solvent |
| 09/16/1980 | CA1085769A1 Sea water desalination apparatus |
| 09/09/1980 | CA1085336A1 Multistage evaporator apparatus and method of distilling petroleum |
| 09/09/1980 | CA1085226A1 Drive means for desolventizer toaster |
| 09/02/1980 | US4220519 Method of suppressing the rise in surface temperature of heating tubes by ammonia injection |