| 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) |
|---|
| 06/05/1990 | US4931269 Process for the purification and reheating of exhaust gases |
| 06/05/1990 | US4931264 Process for removing sulfur from sulfur-containing gases |
| 06/05/1990 | US4931263 Wet-process stack gas purification method |
| 06/05/1990 | US4931262 Method of treating H2 S containing gases |
| 06/05/1990 | US4931071 Kinetically selective; coarse and fine particles |
| 06/05/1990 | US4931070 Process and system for the production of dry, high purity nitrogen |
| 06/05/1990 | US4930294 Apparatus for continuously cleaning solvent from waste air |
| 06/05/1990 | CA1269971A1 Catalyst for reduction of nitrogen oxides |
| 06/05/1990 | CA1269820A1 Method and device for selective extraction of gaseous h.sub.2s from a gas containing same |
| 05/31/1990 | WO1990005798A1 Electrocatalyst, methods for preparing it, electrodes prepared therefrom and methods for using them |
| 05/31/1990 | WO1990005700A1 Process and apparatus for the dry removal of polluting material from gas streams |
| 05/31/1990 | WO1990005591A1 Centrifugal separator |
| 05/31/1990 | WO1990005579A1 Oxidation process and catalyst |
| 05/31/1990 | WO1990005578A1 Control of oxides of nitrogen in post-combustion waste gases |
| 05/31/1990 | WO1990005577A1 Method and apparatus for purifying air |
| 05/31/1990 | DE3840238A1 Process and apparatus for producing a rich gas stream |
| 05/31/1990 | DE3840181A1 Exhaust gas absorber |
| 05/31/1990 | DE3839822A1 Process for the production of a carbon-containing catalyst |
| 05/31/1990 | DE3839199A1 Process for decreasing the nitrogen oxide content of combustion gases |
| 05/31/1990 | CA2001130A1 Method for separating dioxins from gases |
| 05/30/1990 | EP0370872A1 Process for producing an atmosphere for thermal treatment by air separation by adsorption |
| 05/30/1990 | EP0370648A1 Separation of gas components |
| 05/30/1990 | EP0370623A2 Process for producing hydrated and cured product of lime-gypsum-coal ash mixture |
| 05/30/1990 | EP0370617A1 Catalyst |
| 05/30/1990 | EP0370540A1 Device for removal of ozone from and simultaneously moistening of air |
| 05/30/1990 | EP0370523A1 Carrier for gas-treating catalyst, method for production thereof, and gas-treating catalyst incorporating said carrier therein |
| 05/30/1990 | EP0370244A1 Laminated substrate for catalytic combustor reactor bed |
| 05/30/1990 | EP0370222A2 Filter for the air conditioning system of a motor vehicle |
| 05/30/1990 | EP0370145A1 Process for selectively removing hydrogen sulfide from a gas stream at high pressure |
| 05/30/1990 | EP0370141A1 Method and apparatus for removing cyanogen chloride from air |
| 05/30/1990 | EP0370140A1 Method and apparatus for removing hydrogen cyanide, cyanogen and cyanogen chloride from air |
| 05/30/1990 | EP0370077A1 Ammonia scrubbing. |
| 05/30/1990 | CN2057597U Aspirating sweetening device for smoke gas dual-basic process |
| 05/29/1990 | US4929586 Titanium dioxide support with inorganic oxides, reduction of nitrogen oxides |
| 05/29/1990 | US4929581 Catalytic diesel soot filter |
| 05/29/1990 | US4929398 Tower packing cartridge |
| 05/29/1990 | US4929259 Hollow fiber membrane fluid separation module for boreside feed |
| 05/29/1990 | US4928498 Method and device for compression of gases |
| 05/29/1990 | US4928485 Metallic core member for catalytic converter and catalytic converter containing same |
| 05/29/1990 | CA2004051A1 Quaternary polyamines as sulfite oxidation inhibitors |
| 05/29/1990 | CA2004032A1 Method and apparatus for separating non-condensable gases from vapor |
| 05/29/1990 | CA1269636A1 Process and a device for flue gas desulphurization |
| 05/29/1990 | CA1269503A1 Method of recovering alkali chemicals from flue gases containing alkaline metal vapor |
| 05/25/1990 | CA2003464A1 Carrier for gas-treating catalyst, method for production thereof, and gas-treating catalyst incorporating said carrier therein |
| 05/24/1990 | CA2003473A1 Method for controlling atmosphere in heat treatment process by way of permeation |
| 05/24/1990 | CA2003472A1 Method for controlling atmosphere in heat treatment process by way of adsorption |
| 05/23/1990 | EP0369876A1 Gas-liquid contacting method |
| 05/23/1990 | EP0369576A1 Molecular sieve-palladium-platinum catalyst on a substrate |
| 05/23/1990 | EP0369163A1 Particulate removing catalyst filter and particulate removing method using the same |
| 05/23/1990 | EP0369056A1 Method for deodorizing and cleaning offensive odor gas |
| 05/23/1990 | EP0368978A1 Process and device for removal of h2s. |
| 05/23/1990 | EP0368861A1 Method and apparatus for treating process gases. |
| 05/23/1990 | DE3938056A1 Oxygen sensor - having hollow tubular element, two surfaces, two electrodes and voltage measuring circuit |
| 05/23/1990 | DE3839340A1 Process for exhaust-gas purification and heat recovery |
| 05/23/1990 | DE3839153A1 Method of detoxifying process exhaust gases in plasma etching |
| 05/23/1990 | DE3838849A1 Drying apparatus for compressed air |
| 05/23/1990 | CN1042316A Removal of hydrogen sulfide from fluid streams with minimum production of solids |
| 05/23/1990 | CN1042315A Process for removal of sulfur dioxide from hot flue gases |
| 05/23/1990 | CN1042314A Treatment of permeable membranes |
| 05/23/1990 | CN1042313A Oxygen enriched air system |
| 05/23/1990 | CN1042312A Integrated pressure swing adsorption / membrane separation |
| 05/23/1990 | CN1008073B Method of controlling deactivation of denitrating catalyst |
| 05/23/1990 | CN1008072B Improved process for removal of acid gases from gas mixtures |
| 05/23/1990 | CN1008071B Porcess for removal of hydrogen sulfide from gaseous streams |
| 05/23/1990 | CN1008070B Stabilized solution of chelating agents for removing hydrogen sulfide from gaseous streams |
| 05/23/1990 | CN1008069B Method for removal of hydrogen sulfide from gas mixture |
| 05/23/1990 | CN1008068B Process of desulfurizing gases |
| 05/23/1990 | CN1008067B Improved process for separation of acid gases |
| 05/23/1990 | CN1008065B Improved gas separation by pressure swing adsorption |
| 05/22/1990 | US4927799 Catalyst for the purification of exhaust gas |
| 05/22/1990 | US4927613 Process for removing a constituent from a hot gas stream by exothermic ionic reaction of the constituent with a reactant provided in fine particulate form |
| 05/22/1990 | US4927612 Injection of a solution containing an organic nitrogen compound |
| 05/22/1990 | US4927436 Room dehumidifier |
| 05/22/1990 | US4927434 Gas component extraction |
| 05/22/1990 | US4926618 Industrial dehumidifier |
| 05/22/1990 | CA1269359A1 Absorbent composition containing a severely hindered amino compound and an amine salt and process for the absorption of h.sub.2s using the same |
| 05/22/1990 | CA1269224A1 Crystalline gallophosphate compositions |
| 05/17/1990 | WO1990005000A1 Devices and method for cleaning gases |
| 05/17/1990 | DE3838472A1 Process for the production of catalyst bodies |
| 05/17/1990 | DE3837358A1 Process for the production of finely divided or fibrous precursors of activated carbon from pitch-like bitumenous substances and substances containing nitrogen or nitrogen and heavy metal, from which catalytically active activated carbons can be produced |
| 05/16/1990 | EP0368650A1 Gas resonance device |
| 05/16/1990 | EP0368649A1 Pressure swing gas separation |
| 05/16/1990 | EP0368632A2 Oxygen-absorber accommodation parcel |
| 05/16/1990 | EP0368447A1 Wet annealing of hollow fibers |
| 05/16/1990 | EP0368435A2 Dehumidified air generator employing adsorbent |
| 05/16/1990 | EP0368423A2 Removal and recovery of sulphur dioxide from gas streams |
| 05/16/1990 | EP0368422A2 Gas scrubbing processes |
| 05/16/1990 | EP0367998A2 Process for removing sulfurdioxide and hydrogen chloride from hot gases |
| 05/16/1990 | EP0367817A1 Heat and material exchange device. |
| 05/16/1990 | EP0261219B1 Apparatus with a pair of burners |
| 05/16/1990 | CN1042182A Cucumber mosaic virus coat protein gene |
| 05/16/1990 | CN1042088A Porcess for manufacturing hydrated cured products of lime-gypsum-coal ash mixture |
| 05/16/1990 | CN1007965B Composite porous matercal, process for production and separation of metallic |
| 05/16/1990 | CN1007964B Adsorbent for recovery of bromine and bromine-recovering process using the same |
| 05/16/1990 | CN1007963B Installation for wet-removal of sulphur from flue gas |
| 05/16/1990 | CN1007962B Selective absorption of sulfur dioxide from gases containing sulfur dioxide |
| 05/16/1990 | CN1007961B Eliminating sulfide and carbon dioxide from gas by physical solvent of polyalcohol ether |
| 05/15/1990 | US4925825 Catalyst for removing nitrogen oxides |
| 05/15/1990 | US4925646 Using a metal halide scavenger |
| 05/15/1990 | US4925640 Method for denitration of exhaust gas containing arsenic compounds by catalysts and method |