| 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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| 11/27/2001 | US6322763 Flooding wet scrubber with clean water, bubbling synthesis gas hydrolyzing to carbon dioxide and hydrogen sulfide in presence of catalyst produced in the process |
| 11/27/2001 | US6322762 Hydrolyzing urea containing biuret and/or ammonium carbamate, reacting with sulphur oxides, controlling removal rate; non-hazardous, efficiency |
| 11/27/2001 | US6322758 Reactor for processing gaseous media |
| 11/27/2001 | US6322756 Effluent gas stream treatment system having utility for oxidation treatment of semiconductor manufacturing effluent gases |
| 11/27/2001 | US6322617 Purification device for separating gaseous or particulate constituents from gas streams |
| 11/27/2001 | US6322613 Providing carbonaceous material (e.g. scrap tire, waste rubber) pyrolysis and activation to produce an activated carbon sorbent; passing stream of gaseous mixture containing mercury over sorbent |
| 11/27/2001 | US6322612 Introducing feed gas mixture at elevated temperature into a feed end of an adsorber column containing an adsorbent to preferentially adsorbs adsorbable component; adsorber effluent, depleted of adsorbable component is withdrawn |
| 11/27/2001 | US6322611 Process and installation for the production of carbon monoxide |
| 11/27/2001 | US6321533 Exhaust passage switching unit and method for internal combustion engine |
| 11/27/2001 | US6321531 Method and apparatus for using free radicals to reduce pollutants in the exhaust gases from the combustion of a fuel |
| 11/27/2001 | US6321530 Exhaust gas purifier and method of purifying exhaust gas for a hybrid vehicle |
| 11/27/2001 | US6321465 Membranes of polyurethane based materials including polyester polyols |
| 11/27/2001 | CA2201443C Desiccant container |
| 11/27/2001 | CA2201004C Safe storage and transportation of sulfur dioxide |
| 11/27/2001 | CA2146601C Catalysts for reducing spinel-containing nitrogen oxide emissions |
| 11/27/2001 | CA2038180C Pre-purification of air for separation |
| 11/25/2001 | CA2348800A1 Portable oxygen concentrator |
| 11/22/2001 | WO2001089024A1 Electrochemical methods and cells |
| 11/22/2001 | WO2001088439A1 Rotary regenerative oxidizer with distribution wings |
| 11/22/2001 | WO2001087771A1 Method and device for the reduction of nitrogen protoxide |
| 11/22/2001 | WO2001087478A1 Adsorbent having capability of decomposing organic halogen compound and method for producing the same |
| 11/22/2001 | WO2001087466A1 Method and apparatus for decomposing halogenated organic compound in exhaust gas |
| 11/22/2001 | WO2001087465A1 Method for n2o catalytic breakdown |
| 11/22/2001 | WO2001087464A1 Process for scrubbing flue gas using acids |
| 11/22/2001 | WO2001087463A1 Compressor unit, provided with an adsorption dryer and adsorption dryer therefor |
| 11/22/2001 | WO2001087462A1 Method and apparatus for removing non-condensible gas from a working fluid in a binary power system |
| 11/22/2001 | WO2001087461A1 Selective sorption and desorption of gases with electrically heated activated carbon fiber cloth element |
| 11/22/2001 | WO2001087460A1 Apparatus and method for wet filtering machine exhaust |
| 11/22/2001 | WO2001087448A1 Device for guiding the flow of a liquid used for material and/or energy exchange in a wash column |
| 11/22/2001 | WO2001056684A9 A method for treatment of flue gas cleaning products |
| 11/22/2001 | WO2001032297A3 Modular chemical treatment system |
| 11/22/2001 | WO2000043104A9 Vacuum-insulated exhaust treatment devices, such as catalytic converters, with passive controls |
| 11/22/2001 | US20010044687 Drive power control apparatus and method for vehicle |
| 11/22/2001 | US20010044376 Nitrogen oxides absorption catalyst comprising a carrier and a catalyst layer containing alkali metal and/or alkaline metal, loaded on the carrier, further contains a substance capable of reacting with alkali and alkaline earth metal |
| 11/22/2001 | US20010043899 For treating carbon monoxide and/or hydrogen in a gas in the presence of oxygen, agent comprising adsorbent having carbon dioxide and/or water adsorptivity and metal or metal compound which activates oxidation of carbon monoxide and/or hydrogen |
| 11/22/2001 | US20010043898 Contacting atmospheric effluent containing odor component or noxious component with aqueous hydrogen peroxide and additive that catalyzes decomposition of hydrogen peroxide to predominantly produce hydroxyl free radicals, oxidizing |
| 11/22/2001 | US20010043897 Process and composition for increasing the reactivity of sulfur scavenging oxides |
| 11/22/2001 | US20010043896 Catalyst for purifying the exhaust gases of diesel engines, and process for the preparation thereof |
| 11/22/2001 | US20010043892 Catalyst carrier for exhaust gas purification system and method for producing same |
| 11/22/2001 | US20010043890 Purification system of exhaust gases of an internal combustion engine |
| 11/22/2001 | US20010043889 Adding hydrogen sulfide to the industrial gas and scrubbing to precipitate mercury sulfide |
| 11/22/2001 | US20010043881 Adsorbing gases in open, closed, or partially closed system or space with monodisperse aminomethylated bead polymer based on at least one monovinylaromatic compound and at least one polyvinylaromatic compound amidomethylated with phthalimide |
| 11/22/2001 | US20010042716 Semipermeable membrane |
| 11/22/2001 | US20010042691 Pressure swing adsorption |
| 11/22/2001 | US20010042536 Control system for lean air-fuel ratio nox catalyst system |
| 11/22/2001 | US20010042440 Porous solid for gas adsorption separation and gas adsorption separation process employing it |
| 11/22/2001 | US20010042318 Control of solids deposition from used desiccant solution |
| 11/22/2001 | DE19947260A1 Removal of nitrogen dioxide from air contaminated by engine exhaust gas, especially in tunnel, garage or similar traffic zone, involves contact with activated charcoal catalyst |
| 11/22/2001 | DE10064279A1 Exhaust gas emission control device comprises nitrogen oxides absorption device, control device, nitrogen oxides absorption device deterioration determining device, device for shortening operation time and blocking device |
| 11/22/2001 | DE10045342C1 Apparatus for treating exhaust gases produced from IC engines and from industrial plants has molded bodies made from a metallic fiber composite arranged in a housing |
| 11/22/2001 | DE10025091A1 Material separation using membrane diffusion comprises obtaining first permeate on one side and first retentate on other side using separating layer, and feeding permeate into protective layer following separating layer |
| 11/22/2001 | DE10025034A1 Operation of petrol engine with new three-way catalyst having leading and trailing lambda sensors, avoids monitoring with second sensor until its rich-running output voltage reduces |
| 11/22/2001 | DE10024575A1 Covalently crosslinked polymer or membrane, used e.g. in fuel cells, batteries or separation processes, comprises reacting polymers with chlorosulphonyl or sulfinate groups with bifunctional crosslinker, e.g. dihalo-alkane |
| 11/22/2001 | DE10024038A1 Wabenkörper aus einem keramischen Material mit verbesserter radialer Druckfestigkeit A honeycomb body of a ceramic material with improved radial pressure resistance |
| 11/22/2001 | DE10023970A1 Verfahren zur Gasadsorption mittels aminomethylierter Perlpolymerisate A method for gas adsorption using aminomethylierter bead polymers |
| 11/22/2001 | DE10023439A1 Verfahren zur Entfernung von Stickoxiden und Rußpartikeln aus dem mageren Abgas eines Verbrennungsmotors und Abgasreinigungssystem hierfür A process for removing nitrogen oxides and soot particulates from the lean exhaust gas of an internal combustion engine and exhaust gas purification system of this |
| 11/22/2001 | DE10022842A1 Strukturierter Katalysator für die selektive Reduktion von Stickoxiden mittels Ammoniak unter Verwendung einer zu Ammoniak hydrolysierbaren Verbindung Structured catalyst for selective reduction of nitrogen oxides by means of ammonia using a compound can be hydrolyzed to ammonia |
| 11/22/2001 | DE10022763A1 Catalytically converting nitrogen oxide in exhaust gas stream mixed with ammonia to form water and nitrogen comprises feeding gas stream together with added catalytically active substance to reaction chamber |
| 11/22/2001 | DE10009014A1 Microbiological purification of water uses fixed microorganisms in tank with two chambers, allowing alternate submerged and non-submerged operation |
| 11/22/2001 | CA2324825A1 Sulfur dioxide removal process with regeneration scale prevention |
| 11/21/2001 | EP1156264A1 Gas generating system with multi-rate charging feature |
| 11/21/2001 | EP1156196A2 Catalyst carrier for exhaust gas purification system and method for producing same |
| 11/21/2001 | EP1156195A2 Drive power control apparatus and method for vehicle |
| 11/21/2001 | EP1156012A1 Process and apparatus for recovering sulphur from a gas stream containing hydrogen sulphide |
| 11/21/2001 | EP1155732A1 Process for treating residues from flue gas purification and/or flue gas desulphurisation plant |
| 11/21/2001 | EP1155730A1 Method for treating a gas containing SO3 using Na2CO3 |
| 11/21/2001 | EP1155729A1 Method and system for removing chemical and biological agents from air |
| 11/21/2001 | EP1155728A1 Method for gas adsorption using aminomethylated bead polymers |
| 11/21/2001 | EP1155726A1 Pneumatic diffusor for forming fine liquid droplets after collision with a gas flow |
| 11/21/2001 | EP1155224A1 Vehicle power supply system |
| 11/21/2001 | EP1154954A1 Utilizing purge gas from ammonia synthesis |
| 11/21/2001 | EP1154838A1 Filter assembly for vacuum filtration |
| 11/21/2001 | EP1154836A1 Hydrogen-selective silica based membrane |
| 11/21/2001 | EP1154828A1 Chromatography devices and flow distributor arrangements used in chromatography devices |
| 11/21/2001 | EP0772486B1 Method for the removal of non-metal and metalloid hydrides |
| 11/21/2001 | CN2460511Y Xenon purification device |
| 11/21/2001 | CN2460190Y Dust removing environmental protection equipment for boiler |
| 11/21/2001 | CN2460189Y Gas-fluidizing waste gas purification device |
| 11/21/2001 | CN1323280A Bottled water cooler with built-in oxygen generator and oxygen injection system |
| 11/21/2001 | CN1323240A Method of reducing discharged carbon dioxide |
| 11/21/2001 | CN1322586A Tower containing supporting plate among packing bady parts |
| 11/21/2001 | CN1075121C Process and apparatus for recovering metal raw material from wastes and residues |
| 11/21/2001 | CN1075119C Operating method for sintering equipment and sintering equipment |
| 11/21/2001 | CN1075040C Catalytic desulphurization process for a gas containing H2s and SO2 and catalyst for implementing said process |
| 11/21/2001 | CN1075022C Container for moisture-sensitive material |
| 11/21/2001 | CN1074941C Gas purifying catalytic apparatus |
| 11/21/2001 | CN1074939C Waste-gas purifying device |
| 11/21/2001 | CN1074938C Integrated air separation process |
| 11/20/2001 | US6320087 Separating mixed halogenated aromatic isomers having reduced dissolved oxygen content by contacting with adsorbent formed by kneading zeolite powder with water, extruding resultant paste into pellets, rounding pellets into particles |
| 11/20/2001 | US6319870 Fabrication of low thermal expansion, high strength cordierite structures |
| 11/20/2001 | US6319860 Process for manufacturing semiconductor integrated circuit device including treatment of gas used in the process |
| 11/20/2001 | US6319723 Parts per trillion detector |
| 11/20/2001 | US6319706 Device for use in the bioremediation of polluted soils |
| 11/20/2001 | US6319484 Compositions for abatement of volatile organic compounds and apparatus and methods using the same |
| 11/20/2001 | US6319440 Deodorant material |
| 11/20/2001 | US6319307 Commercial air filter assembly and filter assembly and filtration unit |
| 11/20/2001 | US6319306 Hydrogen-selective metal membrane modules and method of forming the same |
| 11/20/2001 | US6319303 Gas is purified by adsorbing the two impurities by passing through adsorbers without passing through auxiliary adsorbers and passed through main adsorbers and regenerated |
| 11/20/2001 | US6319297 Modular SMIF pod breather, adsorbent, and purge cartridges |
| 11/20/2001 | US6318076 Apparatus for treating the exhaust gas of an internal combustion engine |