| 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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| 08/22/1989 | US4859428 Apparatus for the containment of monolithic catalysts |
| 08/22/1989 | US4859427 Active metal bed |
| 08/22/1989 | US4859347 Centrifugal separator |
| 08/22/1989 | US4859296 From gaseous mixtures such as air, using oxygen-containing molten salt electrolyte in porous matrix |
| 08/22/1989 | US4859217 Process for separating nitrogen from mixtures thereof with less polar substances |
| 08/22/1989 | US4859216 Adsorption on carbon fibers, then desorption with hot air |
| 08/22/1989 | US4858335 Process for regenerating a moisture laden drying cartridge and apparatus for carrying out such a process |
| 08/22/1989 | CA1258604A1 Liquid membrane |
| 08/22/1989 | CA1258566A1 Solvent absorption and recovery system |
| 08/22/1989 | CA1258565A1 Process for purifying industrial gases and industrial flue gases |
| 08/17/1989 | DE3804228A1 Plant for treating a flue gas stream |
| 08/17/1989 | DE3803631A1 Method for controlling the crystal growth, the filterability and the dewaterability of flue gas gypsum |
| 08/17/1989 | DE3803454A1 Absorbate transport container |
| 08/16/1989 | EP0328479A2 Method for purifying high-temperature reducing gas |
| 08/16/1989 | EP0328475A2 Device and method for refrigerant recovery |
| 08/16/1989 | EP0328373A1 Vehicle exhaust gas catalysts |
| 08/16/1989 | EP0327880A2 Apparatus and process for removing a wash coat from the channels of a freshly coated monolithic or honeycomb catalyst support, and its use |
| 08/16/1989 | EP0327795A2 Shaped polymeric tertiary or secondary organosiloxamine compounds, process for preparing them and their use |
| 08/16/1989 | EP0327735A1 Process for modification of a molecular sieve |
| 08/16/1989 | EP0327734A1 Gas separation |
| 08/16/1989 | EP0327732A1 Adsorptive separation utilizing multiple adsorption beds |
| 08/16/1989 | EP0221942B1 Regenerative method for removing mercaptans contained in a gas |
| 08/15/1989 | US4857500 Method for manufacturing the metallic carrier base material for maintaining a catalyst for exhaust gas purification |
| 08/15/1989 | US4857458 Installation and plant for the recovery of energy from waste and residues |
| 08/15/1989 | US4857413 Metal-made carrier body for exhaust gas cleaning catalyst |
| 08/15/1989 | US4857297 Process for the reduction of the sulfur content in a gaseous stream |
| 08/15/1989 | US4857296 CeO catalytic desulfurization of industrial gases |
| 08/15/1989 | US4857285 Method and system for removal of sulfur compounds from gases and for regenerating spent sorbents |
| 08/15/1989 | US4857284 Scrubbing desulfurization |
| 08/15/1989 | US4857283 Amine scrubbing solution |
| 08/15/1989 | US4857276 Forcing dust to collide with solid surfaces to separate sticky component |
| 08/15/1989 | US4857198 Process for treatment of water containing volatile and toxic compounds |
| 08/15/1989 | US4857183 Apparatus for purifying and neutralizing residues from furnaces |
| 08/15/1989 | US4857089 Ceramic honeycomb filter for purifying exhaust gases |
| 08/15/1989 | US4857086 Gas separator system |
| 08/15/1989 | US4857084 Pressure swing adsorption apparatus and process for recovery of oil-soluble vapors |
| 08/15/1989 | US4857083 Vacuum swing adsorption process with vacuum aided internal rinse |
| 08/15/1989 | US4857082 Gas separation with semipermeable membrane |
| 08/15/1989 | US4857081 Separation of water from hydrocarbons and halogenated hydrocarbons |
| 08/15/1989 | US4857078 Process for separating higher hydrocarbons from natural or produced gas streams |
| 08/15/1989 | CA1258441A1 Plasma treatment of flue gases |
| 08/15/1989 | CA1258435A1 Cartridge with stress relieving member |
| 08/10/1989 | WO1989007160A1 Process for the recovery of alkanolamines from their heat-stable salts formed in alkanolamine sorbent solutions |
| 08/10/1989 | WO1989007005A1 Vehicle exhaust gas catalysts |
| 08/10/1989 | WO1989007004A1 Process and apparatus using two-stage boiler injection for reduction of oxides of nitrogen |
| 08/10/1989 | DE3902977A1 Sorption apparatus for sorbing active gas |
| 08/10/1989 | DE3901184A1 Process for purifying flue gases |
| 08/10/1989 | DE3803652A1 Use of alkaline porous support materials for dry separation of pollutant gas with increase of moisture |
| 08/10/1989 | DE3803613A1 Process and apparatus for purifying dusty, organically contaminated exhaust gases of an exhaust gas stream |
| 08/10/1989 | DE3803559A1 Method and device for cleaning surfaces of a reactor |
| 08/10/1989 | DE3802997A1 Method and apparatuses for separating off vapours of organic solvents or other pollutants from air by adsorption |
| 08/10/1989 | DE3802751A1 Desiccant cartridge |
| 08/10/1989 | DE3802718A1 Flue-gas cooler |
| 08/10/1989 | DE3802543A1 Use of silicone elastomers for the absorption or adsorption of organic compounds |
| 08/09/1989 | EP0327213A1 A coal combustion apparatus provided with a denitration means |
| 08/09/1989 | EP0327177A1 A catalyst-on-carrier for the non-selective oxidation of organic compounds, a process for the non-selective oxidation of, in particular, organic compounds |
| 08/09/1989 | EP0326943A2 Process and apparatus using two-stage boiler injection for reduction of oxides of nitrogen |
| 08/09/1989 | EP0326845A2 Catalyst for cleaning the exhaust gases from internal-combustion engines |
| 08/09/1989 | EP0326686A1 Method of treating waste gas by irradiation with electron beam |
| 08/09/1989 | EP0326667A1 Catalyst for selective reduction of nitrogen oxides |
| 08/09/1989 | EP0326664A1 Process and apparatus for the production of nitric acid by oxidation and absorption of nitrogen oxides |
| 08/09/1989 | EP0326563A1 A method for cleansing gas and apparatus herefor. |
| 08/09/1989 | EP0223821B1 Process for chemicals and energy recovery |
| 08/09/1989 | CN1034530A Process for steam-reforming hydrocarbons |
| 08/09/1989 | CN1034491A Gas dehydration membrane apparatus |
| 08/09/1989 | CN1034490A Bag for remoual of soild material from gases and for treatment of said gases |
| 08/08/1989 | USRE33013 Multi-channel body |
| 08/08/1989 | US4855444 α-pyrrolidones and a method for preparation thereof |
| 08/08/1989 | US4855276 Solid filtration medium incorporating alumina and carbon |
| 08/08/1989 | US4855154 Process for deodorizing marine oils |
| 08/08/1989 | US4855124 Continuous addition of hydrogen sulfide and sulfur dioxide to water yields sulfur which can be burned; claus reaction |
| 08/08/1989 | US4855117 Process for removing sulfur oxides from a gas by means of an absorption mass regenerable by reaction with elemental sulfur |
| 08/08/1989 | US4855116 Reduction by ammonia |
| 08/08/1989 | US4855115 Process for removing nitrogen oxides from exhaust gases |
| 08/08/1989 | US4855089 Distributor for distributing liquid in an exchange column |
| 08/08/1989 | US4855058 Radial feed-flow path with turbulence; for reverse osmosis, desalting, ultra- and micro-filtration |
| 08/08/1989 | US4854123 Method for removal of nitrogen oxides from exhaust gas of diesel engine |
| 08/08/1989 | CA1258160A1 Liquid phase thermal swing chemical air separation |
| 08/03/1989 | DE3801913A1 Process and apparatus for the adsorption or chemisorption of gaseous constituents from a gas stream |
| 08/03/1989 | DE3801785A1 Process for the catalytic reduction of NO |
| 08/02/1989 | EP0326457A1 Process and plant for purifying gaseous effluents containing oxides of sulphur and possebly of nitrogen |
| 08/02/1989 | EP0326427A2 Process for the recovery of alkanolamines from their heat-stable salts formed in alkanolamines sorbent solutions |
| 08/02/1989 | EP0326388A2 Waste heat recovery having combined CO and NOx removal apparatus and method |
| 08/02/1989 | EP0326360A2 Process for selectively separating water vapour from a gaseous mixture |
| 08/02/1989 | EP0326083A2 Vapor permselective membrane |
| 08/02/1989 | EP0325938A1 Multiple stage gas absorber |
| 08/02/1989 | EP0325906A1 Silica-bonded zeolite X granulate and its use in oxygen enrichment |
| 08/02/1989 | EP0325826A1 Storage terminal vapour emission control system |
| 08/02/1989 | EP0325811A1 Process for the catalytic reduction of nitrogen oxide |
| 08/02/1989 | EP0325596A1 Hazardous waste reactor system. |
| 08/02/1989 | EP0262130B1 Device for the sorption, storage and release of hydrogen isotopes |
| 08/02/1989 | CN1034318A Reator for reducing content of nitrogen oxide and sulphur oxide in combustion gas |
| 08/01/1989 | US4853735 Ozone removing device |
| 08/01/1989 | US4853360 Method for manufacturing the metallic carrier base material for maintaining a catalyst for exhaust gas purification |
| 08/01/1989 | US4853195 Treating contaminated gas with oxygen-containing gas and aqueous alkaline absorber to precipitate calcium sulfate |
| 08/01/1989 | US4853194 Method for treating exhaust gas |
| 08/01/1989 | US4853193 Process for removing NOx and SOx from a gaseous mixture |
| 08/01/1989 | US4853192 Saturating stream of inert gas with excess water |
| 08/01/1989 | US4853191 Process for the removal of sulfur-containing gases |
| 08/01/1989 | US4853148 Contacting with scavenger on support |