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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11/30/2000 | WO2000071870A1 Method for controlling a rich/lean combustion mixture in a defined manner |
11/30/2000 | WO2000071868A1 Exhaust gas cleaning system having internal ammonia production for reducing nitrogen oxides |
11/30/2000 | WO2000071867A1 Purification system of exhaust gas of internal combustion engine |
11/30/2000 | WO2000071866A1 Dielectric barrier gas reactors with non-axial flow |
11/30/2000 | WO2000071865A1 Exhaust gas cleaning system having internal ammonia production for reducing nitrogen oxides |
11/30/2000 | WO2000071864A1 Method for periodically desulfating a nitrogen oxide or sulfur oxide accumulator of an exhaust gas cleaning system |
11/30/2000 | WO2000071644A2 Electric power generating system by gasification |
11/30/2000 | WO2000071234A1 Internal staged permeator for fluid separation |
11/30/2000 | WO2000071232A1 Isolation of sf6 from insulating gases in gas-insulated lines |
11/30/2000 | WO2000071223A1 A device for treating a gas |
11/30/2000 | WO2000041968A9 Process for the recovery of sulphur from lead-acid battery scrap |
11/30/2000 | WO2000038831A9 Magneto absorbent |
11/30/2000 | DE19922981A1 Verfahren zur Kontrolle der Funktionstüchtigkeit eines NO¶x¶-Speicherkatalysators Procedures for monitoring the health of a NO¶x¶ storage catalyst |
11/30/2000 | DE19907669C1 Verfahren zur Korrektur des Wassereinflusses auf das Signal eines Sensors zur Detektion der im Abgas eines Verbrennungsmotors befindlichen Reduktionsmittelkonzentration A process for correction of the water influence on the signal of a sensor for detecting the exhaust gas of an internal combustion engine located in the reducing agent concentration |
11/30/2000 | DE10026153A1 Damping device especially for objects with vinyl sheets has inclined hollow rotary drum with objects supplied from upper end opening and passing through size classifying unit which ejects oversized objects through lower area |
11/30/2000 | DE10011785A1 Gas separation membrane module for separating mixed gases, has film-like material on periphery of hollow fiber bundle inside which mixed gas is passed when passing carrier gas outside in counterflow direction |
11/30/2000 | CA2374470A1 Electric power generating system by gasification |
11/29/2000 | EP1055806A2 NOx trap and particulate filter system for an internal combustion engine |
11/29/2000 | EP1055805A1 Method and arrangement to remove soot from the exhaust gas of a diesel engine |
11/29/2000 | EP1055450A2 Agitator |
11/29/2000 | EP1055449A1 Process for monitoring the performance of an exhaust gas treatment system |
11/29/2000 | EP1055054A1 Method and device for operating a system to convert at least one exhaust-gas component of an exhaust-gas stream of an internal combustion engine |
11/29/2000 | EP1055050A1 Hydrocarbon combustion power generation system with co2 sequestration |
11/29/2000 | EP1054728A1 Pulsed corona discharge apparatus with radial design |
11/29/2000 | EP1054722A1 System for nox reduction in exhaust gases |
11/29/2000 | EP1054720A1 Two-stage rotary concentrator |
11/29/2000 | EP1054719A1 Low pressure drop inlet design to promote good gas flow patterns in high velocity absorbers |
11/29/2000 | CN2407823Y Devulcanizer for flue gas |
11/29/2000 | CN2407822Y Smoke devulcanizer for atmospheric water-heating boiler |
11/29/2000 | CN1275095A Wet type flue gas desulfurization equipment |
11/29/2000 | CN1274615A Low noble metal dosage/high rare earth element dosage oxide catalyst |
11/29/2000 | CN1058906C Method and apparatus for monochannel simultaneous heat and mass transfer |
11/28/2000 | US6153555 Single phase metal-alumina materials including alkali metals made from heteromatallic alkoxides |
11/28/2000 | US6153162 Reducing nitrogen oxides in presence of a catalyst which comprises aluminum oxide, copper oxide, zinc oxide, silver, platinum, rare earth oxides, group 3 element oxides, iron oxide, chromium oxide, gallium oxide, cobalt oxide oxide |
11/28/2000 | US6153161 Reducing nitrogen oxides in exhaust gases over heterogeneous catalysts with hydrocarbons, carbon monoxide, hydrogen or mixtures, wherein exhaust gases are those from a lean-mix engine operated superstoichiometrically with an excess of air |
11/28/2000 | US6153160 Contacting stream of oxidizable components with catalyst composition to catalyze oxidation, catalyst comprising ceria, bulk second metal oxide selected from titania, zirconia, ceria-zirconia, silica alumina-silica, and .alpha.-alumina |
11/28/2000 | US6153159 Method for purifying exhaust gases |
11/28/2000 | US6153150 Used for treatment of gas streams containing organic and inorganic pollutants, suitable for treatment of streams resulting from fabrication of semiconductor materials and devices, microelectric products, manufacturing compact disks |
11/28/2000 | US6153097 Internal staged permeator for fluid separation |
11/28/2000 | US6153091 Passing hydrocarbon feedstock to reaction zone and contacting feedstock with catalyst in presence of chloride, and recovering hydrocarbon product; removing deactivated catalyst particles; sorption, recirculation, regeneration |
11/28/2000 | US6152996 Air cleaner element having incorporated sorption element |
11/28/2000 | US6152995 Etching to control thickness |
11/28/2000 | US6152994 Process for the purification of an alkanolamine |
11/28/2000 | US6152992 Reactor and process of using same |
11/28/2000 | US6152991 Multilayer adsorbent beds for PSA gas separation |
11/28/2000 | US6152990 Device for removing and retaining volatile compounds and method of employing the same |
11/28/2000 | US6152987 Method for selectively separating hydrogen from hydrogen-producing reactants |
11/28/2000 | US6152986 Using a supported ceramic membrane to separate from contaminant gas |
11/28/2000 | US6152163 Switching valve for multi-chamber adsorbent air and gas fractionation system |
11/28/2000 | US6151914 Method and apparatus for producing super clean air |
11/28/2000 | CA2309309A1 Nox trap and particulate filter system for an internal combustion engine |
11/28/2000 | CA2208819C Cryogenic hybrid system for producing low purity oxygen and high purity oxygen |
11/28/2000 | CA2196217C Adsorption reactor for separating undesirable components from a fluid |
11/28/2000 | CA2044067C A catalyst for the oxidation of sulfur dioxide |
11/28/2000 | CA2015987C Solution removal of h2s from gas streams |
11/27/2000 | CA2308829A1 Pressure swing adsorption process and apparatus |
11/23/2000 | WO2000070208A1 Catalyst supporting body |
11/23/2000 | WO2000070207A1 Honeycomb body |
11/23/2000 | WO2000070206A1 Honeycomb element |
11/23/2000 | WO2000070205A1 Honeycombed body and method for the production thereof |
11/23/2000 | WO2000070202A1 Method for reducing harmful components in the exhaust gas of an internal combustion engine, especially a diesel-internal combustion engine |
11/23/2000 | WO2000069803A1 Process for the preparation of nitro compounds and method for the removal of nitrogen dioxide |
11/23/2000 | WO2000069774A1 Hydrogen recycle and acid gas removal using a membrane |
11/23/2000 | WO2000069696A1 Controller module for continuous flow twin air dryers and process of controlling same |
11/23/2000 | WO2000069555A1 Adsorptive monolith including activated carbon, method for making said monolith, and method for adsorbing chemical agents from fluid streams |
11/23/2000 | WO2000069546A1 Parallel flow catalysts for sulfur dioxide oxidation |
11/23/2000 | WO2000069545A1 Method for flue gas desulfurization and flue gas desulfurization system |
11/23/2000 | WO2000069477A1 Process for preventing air pollution by using ultraviolet ray |
11/23/2000 | WO2000032296A3 Filter for use in medical procedures |
11/23/2000 | EP1144080A3 Filter for use in medical procedures |
11/23/2000 | DE19923498A1 Controlling the regeneration of a nitrogen oxides storage catalyst in the exhaust gas channel of an IC engine comprises comparing the measured nitrogen oxides concentration with a set concentration after the storage catalyst |
11/23/2000 | DE19923481A1 Desulfurizing a nitrogen oxides storage catalyst arranged in the exhaust gas channel of an IC engine comprises adjusting the engine to a lean working modulus until a threshold value for lambda is reached in a first phase |
11/23/2000 | DE19923155A1 Process for removing sulfur hexafluoride/nitrogen mixtures from gas-isolated lines comprises contacting the gas mixture with a membrane |
11/23/2000 | DE19922962A1 Periodic desulfurization of a nitrogen oxide or sulfur oxide storage device in a vehicle I.C. engine comprises adjusting the storage air ratio by changing the secondary air amount introduced and/or the engine air ratio |
11/23/2000 | DE19922961A1 Device for purifying I.C. engine exhaust gas contains a nitrogen monoxide production unit to enrich the exhaust gas fed to the ammonia production catalyst with nitrogen monoxide during ammonia production operating phases |
11/23/2000 | DE19922959A1 Abgasreinigungsanlage mit Stickoxidreduktion unter Reduktionsmittelzugabe Emission control system with nitrogen oxide reduction by addition of reducing agent |
11/23/2000 | DE19922954A1 Inorganic textile fiber material used as a replacement for spring mats in I.C. engine exhaust gas converters is produced from high-temperature resistant high textile aluminum oxide-modified silicic acid stacked fibers |
11/23/2000 | DE19922356A1 Honeycomb body used as a catalyst carrier in IC engine exhaust gas treatment has a honeycomb structure made up of channels running in the longitudinal direction of the body |
11/23/2000 | DE19922355A1 Catalyst carrier for treating IC engine exhaust gases has a number of continuous flow paths for a fluid medium and carrier elements for a catalyst material extending in the longitudinal direction of the paths |
11/22/2000 | EP1054141A1 Exhaust-gas purification device for internal combustion engine |
11/22/2000 | EP1054139A1 Exhaust gas purification arrangement with NOx reduction and addition of reduction agent |
11/22/2000 | EP1053788A1 Photocatalyst composition, substance containing photocatalyst, and material functioning as photocatalyst and process for producing the same |
11/22/2000 | EP1053779A1 Catalytic converter for cleaning exhaust gas |
11/22/2000 | EP1053778A1 Method for manufacturing a three-way catalyst |
11/22/2000 | EP1053777A1 Process for controlling the catalytic activity of an NOx-storage catalyst |
11/22/2000 | EP1053391A1 Catalytic exhaust gas cleaning system and corresponding compensation layer, especially for motor vehicles |
11/22/2000 | EP1053390A1 Regeneration of catalyst/absorber |
11/22/2000 | EP1053053A1 Method for eliminating halogenated compounds contained in a gas or liquid |
11/22/2000 | CN2407464Y Telescopic plug thermosensitive resistor style moisture absorber |
11/22/2000 | CN2407318Y Purifier for kiln |
11/22/2000 | CN2406718Y Apparatus for treating industrial smoke |
11/22/2000 | CN1274297A Method for reducing nitrous oxide in gases and corresponding catalysts |
11/22/2000 | CN1273937A Preparing hydrogen and CO |
11/22/2000 | CN1273876A Process for dusting and dsulfurizing fume |
11/22/2000 | CN1273875A Pressure-varying flash vaporizer and pressure-varying deaerating equipment containing it for liquid |
11/22/2000 | CN1273874A Filter for centrifugally separating waste gas from mixture of water and gas |
11/22/2000 | CN1058687C Installation for treating ramie boiled-off waste water by use of flue gas |
11/22/2000 | CN1058642C Equipment for treating solid and/or gas material and method for activation of same |
11/21/2000 | US6150291 Method of abating NOx and preparation of catalytic material therefor |
11/21/2000 | US6150288 Composite oxide, composite oxide carrier and catalyst |