| Patents for B01D 53 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols (135,933) |
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| 02/10/1981 | US4249596 Condenser and method of construction |
| 02/05/1981 | WO1981000277A1 Process for purifying the exhaust gases of a combustion engine and purifying device for carrying out such process |
| 02/03/1981 | US4248842 Removal of contaminants and recovery of by-products from hot waste gas stream |
| 02/03/1981 | US4248832 Oxidation catalyst |
| 02/03/1981 | US4248739 Stabilized pillared interlayered clays |
| 02/03/1981 | US4248608 Process for purifying liquids and/or regenerating absorbent solutions |
| 02/03/1981 | US4248607 CTR Fuel recovery system using regeneration of a molecular sieve drying bed |
| 02/03/1981 | US4248380 Aqueous-based air treating systems |
| 02/03/1981 | CA1095012A1 Catalyst manufacture |
| 02/03/1981 | CA1094778A1 Synthetic imogolite |
| 01/28/1981 | EP0023086A1 Method of treating scrubber sludge and mixtures produced by the method |
| 01/28/1981 | EP0023054A1 Process for the purification of exhaust air containing organic noxious matter |
| 01/28/1981 | EP0022983A1 Process for regenerating the liquid absorbent used in drying a technical gas |
| 01/28/1981 | EP0022927A1 Heavy metal manganese oxidation catalysts and process for their production |
| 01/27/1981 | US4247525 Method of and apparatus for removing sulfur oxides from exhaust gases formed by combustion |
| 01/27/1981 | US4247422 Iron-chromium-aluminum alloy foil matrix |
| 01/27/1981 | US4247321 Method and apparatus for obtaining fertilizing solution from fossil fueled stationary engines |
| 01/27/1981 | US4247311 Downflow or upflow adsorbent fractionator flow control system |
| 01/27/1981 | CA1094463A1 Apparatus for the separation of isotopes by the separating-nozzle process |
| 01/27/1981 | CA1094393A1 Incineration plant |
| 01/27/1981 | CA1094299A1 Process and apparatus for burning hydrogen sulfide and other combustible fluid to recover sulfur |
| 01/27/1981 | CA1094295A1 Process and apparatus for producing and maintaining a fluidized bed in a heterogeneous system |
| 01/27/1981 | CA1094293A1 Particulate zinc oxide shapes of high surface area and improved strength |
| 01/22/1981 | WO1981000100A1 Process for the preparation of an agent for neutralizing acidic components of flue gas,such an agent and the use thereof |
| 01/22/1981 | WO1981000092A1 Method of supplying gas absorbent |
| 01/21/1981 | EP0022612A1 A process for the removal of cumene from a gaseous stream |
| 01/21/1981 | EP0022603A1 Process and apparatus for separating a gaseous component from a mixture |
| 01/20/1981 | US4246245 Scrubbing with type s hydrated dolomitic lime; scale prevention |
| 01/20/1981 | US4246244 Using iron oxide particles |
| 01/20/1981 | US4246243 Yielding free sulfur and iron hydroxides |
| 01/20/1981 | US4246242 Method of removing gaseous pollutants from flue gas |
| 01/20/1981 | US4246234 Method and apparatus for reducing nitric oxide |
| 01/20/1981 | US4246120 Fluid treatment apparatus |
| 01/20/1981 | US4246081 Oxidation to sulfate ions which migrate to anode where they are converted to gas and evolved |
| 01/20/1981 | US4246007 Separating gaseous or vaporous substances according to the separating nozzle principle |
| 01/20/1981 | US4245573 Using magnesium oxide and magnesium silicate as additives |
| 01/20/1981 | CA1094041A1 Method of controlling the reduction of aqueous thiosulfate solutions |
| 01/20/1981 | CA1093791A1 Method of stripping chemically combined ammonia from the aqueous condensates and waste waters of low and high temperature carbonization processes |
| 01/14/1981 | EP0022367A2 Process for the preparation of an agent for neutralizing acidic components of flue gas |
| 01/14/1981 | EP0022315A1 Process and apparatus for recovering hydrocarbons from air-hydrocarbon vapor mixtures |
| 01/14/1981 | EP0022178A1 Cyclic adsorption process for the separation of a gas mixture |
| 01/14/1981 | EP0022172A1 Process for producing finely divided metal oxides |
| 01/13/1981 | US4244930 Absorbtion with 1a and 2a compounds |
| 01/13/1981 | US4244325 Chemical reduction and oxidation |
| 01/13/1981 | US4244078 Method and apparatus for cleaning film |
| 01/13/1981 | CA1093541A1 Catalyst for the conversion of sulphurous to sulphuric anhydride and sulphuric to sulphurous anhydride |
| 01/13/1981 | CA1093536A1 Removal of a gas component present in a gaseous stream |
| 01/13/1981 | CA1093499A1 Finishing and upgrading of heavy water |
| 01/13/1981 | CA1093480A1 Pressure cycling control for fluid separator mechanism |
| 01/13/1981 | CA1093479A1 Adsorber-regenerator |
| 01/13/1981 | CA1093456A1 Apparatus for contacting an aerosol stream with a liquid |
| 01/13/1981 | CA1093281A1 Method of removing hydrogen sulfide from gases, and for obtaining elemental sulfur |
| 01/13/1981 | CA1093278A1 Silica polymorph and process for preparaing same |
| 01/07/1981 | EP0021954A1 Process and apparatus for continuous elimination of nitrogen oxides from nitrous gases |
| 01/07/1981 | EP0021756A1 Selective adsorption process and system |
| 01/07/1981 | EP0021601A1 Process for regenerating a reducing gas mixture from spent gas evolved in the production of sponge iron |
| 01/07/1981 | EP0021558A1 Method and apparatus for removing sulfur dioxide from gas |
| 01/07/1981 | EP0021422A1 Gas separating member |
| 01/07/1981 | EP0021180A1 Process for the elimination and economical usage of the residue produced by washing furnace exhaust gas in connection with waste products |
| 01/07/1981 | EP0020986A1 Process for manufacturing slot-nozzle elements for separating gaseous or vaporous mixtures, especially isotope mixtures |
| 01/07/1981 | EP0020967A1 Process for the simultaneous removal of water and hydrogen sulfide from gases |
| 01/07/1981 | EP0020799A1 Treatment of exhaust gas streams |
| 01/07/1981 | EP0020684A1 Process and apparatus for pumping gases using a chemically reactive aerosol. |
| 01/06/1981 | US4243635 Waste incinerator exhaust gas treatment and apparatus |
| 01/06/1981 | US4243557 Sulfur transfer cracking catalyst |
| 01/06/1981 | US4243536 Cross-flow filtration apparatus |
| 01/06/1981 | US4242877 Heat-exchanger element for a freeze drier |
| 01/06/1981 | CA1093067A1 Packing element of foil-like material for an exchange column |
| 01/06/1981 | CA1092910A1 Boiler apparatus containing denitrator |
| 01/06/1981 | CA1092788A1 Gas/liquid contacting |
| 01/06/1981 | CA1092786A1 Method for increasing the purity of hydrogen recycle gas |
| 12/30/1980 | US4242448 Carbonates |
| 12/30/1980 | US4242321 Process for separating SO2 from a current of gas containing the same, and plant for carrying out such process |
| 12/30/1980 | US4242177 Method for oxidizing malodorous sulfur compounds in kraft cooking liquor |
| 12/30/1980 | US4242112 Solar powered dehumidifier apparatus |
| 12/30/1980 | US4242111 Compressed air dryer |
| 12/30/1980 | US4242110 Compressed gas drying apparatus |
| 12/30/1980 | US4242108 Hydrogen sulfide concentrator for acid gas removal systems |
| 12/30/1980 | CA1092521A1 Process for treatment of exhaust gas |
| 12/23/1980 | US4241041 Methods for the recovery of sulfur components from flue gas and recycle sodium sulfite by reduction-smelting and carbonating to strip hydrogen sulfide |
| 12/23/1980 | US4241040 Incineration of sulfur plant tail gas |
| 12/23/1980 | US4241033 Desulfurization, copper or oxide acceptor |
| 12/23/1980 | US4240923 Process and amine-solvent absorbent for removing acidic gases from gaseous mixtures |
| 12/23/1980 | US4240922 Sterically hindered amines including heterocyclic compounds and tertiary amino alcohols increase carbon dioxide absorbance |
| 12/23/1980 | US4240798 Method and apparatus for reducing ozone |
| 12/23/1980 | US4240472 Apparatus for cleaning and coating capillary tubes useful in gas chromatography |
| 12/23/1980 | CA1092159A1 Method and apparatus for producing and removing alkanolamine from a mixture containing oxazolidone |
| 12/23/1980 | CA1092014A1 Method and apparatus for conservation of energy in a thermal oxidation system for use with a printing press |
| 12/23/1980 | CA1091937A1 Process for the separation of a gaseous mixture |
| 12/23/1980 | CA1091900A1 Liquid-gas contactor and liquid-gas contact process |
| 12/23/1980 | CA1091899A1 Method for removal of nitrogen oxides from nitrogen oxides-containing exhaust gas |
| 12/23/1980 | CA1091898A1 Method for removing sulfur dioxide from exhaust gas |
| 12/23/1980 | CA1091897A1 Removal of co.sub.2 and/or h.sub.2s from gases |
| 12/16/1980 | US4239793 Mixture of a polyvinyltriorganosilane and a polysiloxane |
| 12/16/1980 | US4239742 Process for improving a gas containing a minor amount of sulfur dioxide impurity and producing a hydrogen sulfide-rich gas |
| 12/16/1980 | US4239737 Method for removing sulfur dioxide |
| 12/16/1980 | US4239711 Absorber tower maintenance isolation system |
| 12/16/1980 | US4239656 Platinum or palladium on magnesium aluminate spinel containing ceria |
| 12/16/1980 | US4239515 Gas-liquid contact reaction apparatus |
| 12/16/1980 | US4239512 Moving gases into continuous sheet of treating liquid, acceleration |