| 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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| 11/05/2002 | US6475460 Desalination and concomitant carbon dioxide capture yielding liquid carbon dioxide |
| 11/05/2002 | US6475454 Thermally limited selective oxidation methods and apparatus |
| 11/05/2002 | US6475453 Configuration for decomposing nitrogen oxides in a gas stream and method for using the configuration |
| 11/05/2002 | US6475452 Composition based on manganese and use for trapping NOx for treating exhaust gases |
| 11/05/2002 | US6475451 Mercury removal from gaseous process streams |
| 11/05/2002 | US6475445 Calcium sulfide oxidation method and apparatus |
| 11/05/2002 | US6475350 Method for removing NOx and other pollutants from gas streams using a plasma assisted catalyst |
| 11/05/2002 | US6475270 Nested diffusional filter |
| 11/05/2002 | US6475266 Exhaust gas recovery method and apparatus |
| 11/05/2002 | US6475265 Pressure swing adsorption method for production of an oxygen-enriched gas |
| 11/05/2002 | US6474312 Vapor-adsorbent underhood blanket, system and method of reducing evaporative fuel emissions from a vehicle |
| 11/05/2002 | US6474271 Method and apparatus for reducing emission of nitrogen oxides from a combustion system |
| 11/05/2002 | US6474147 Exhaust-gas purification device for internal combustion engine |
| 11/05/2002 | EP1037955A4 Corrosion inhibitor for alkanolamine units |
| 11/05/2002 | CA2384606A1 A noble metal-containing supported catalyst and a process for its preparation |
| 10/31/2002 | WO2002086389A1 Waste treatment apparatus and method |
| 10/31/2002 | WO2002086301A1 Exhaust gas purification apparatus for internal combustion engine and method thereof |
| 10/31/2002 | WO2002085790A2 Gas dissolved water producing apparatus and method thereof for use in ultrasonic cleaning equipment |
| 10/31/2002 | WO2002085512A1 Method for making a device capable of modifying the gaseous atmosphere prevailing in a sealed or controlled-permeability chamber |
| 10/31/2002 | WO2002085499A1 Biofilter system equipped with inlet load equalizer for removing volatile organic compounds |
| 10/31/2002 | WO2002085498A1 Method of adsorbing metals and organic compounds from vaporous streams |
| 10/31/2002 | WO2002085497A1 Method for regeneration of a limestone bed for flue gas cleaning |
| 10/31/2002 | WO2002085496A1 Method and system for separating gas |
| 10/31/2002 | WO2002085484A1 Surface for promoting droplet formation |
| 10/31/2002 | WO2002085482A2 Method of making wall-flow monolith filter |
| 10/31/2002 | WO2002081064A1 Desulfurizer and method of desulfurization |
| 10/31/2002 | WO2001003801A8 Filter material used in gas filtration and having biocidal properties |
| 10/31/2002 | US20020160912 Composite oxide powder, catalyst and process for producing the same |
| 10/31/2002 | US20020160905 Adsorbent for HC in exhaust gas, and process for producing the same |
| 10/31/2002 | US20020160324 Method for reducing the content of polychlorinated dibenzodioxins and -furans in the exhaust gas of chemical high-temperature processes |
| 10/31/2002 | US20020159945 Contacting a gas containing at least two hydrogen halides with an adsorbent, whereby the adsorbent selectively adsorbs and retains atleast one of the hydrogen halide |
| 10/31/2002 | US20020159938 Liquid and vapor phase separation and treatment |
| 10/31/2002 | US20020159926 A NOx adsorption catalyst that chemically adsorbs and captures NOx as nitrogen oxide (NO2) on its surface when a lean burn exhasut gas is generated, reducing it to nitrogen in exhaust gas when air-fuel ratio is rich |
| 10/31/2002 | US20020159925 Ammonia as reducing agent is added to the flue gas to achieve the desired reduction of nitrogen oxide in presence of monolithic catalyst |
| 10/31/2002 | US20020159924 Fluorine abatement using steam injection in oxidation treatment of semiconductor manufacturing effluent gases |
| 10/31/2002 | US20020159923 Gas phase reactor and process for reducing nitrogen oxide in a gas stream |
| 10/31/2002 | US20020158350 Liquid distributor in mass transfer column and method of installation and use |
| 10/31/2002 | US20020157941 Emission control device and method |
| 10/31/2002 | US20020157806 Process for producing vanadium alloy foil |
| 10/31/2002 | US20020157535 Contacting the compressed gas stream with an adsorbent (shaped alumina particle having dispersed thereon a colloidal silica layer) to adsorb at least a portion of water to produce dry compressed gas stream |
| 10/31/2002 | US20020157387 A device for purifying the exhaust gas of an internal combustion engine |
| 10/31/2002 | US20020157385 Exhaust gas purification device |
| 10/31/2002 | US20020157379 Exhaust emission control for engine |
| 10/31/2002 | US20020157359 Filter assemblies and systems for intake air for fuel cells |
| 10/31/2002 | US20020157358 Substance having preferential reactivity with an ash component over the principal component of the ceramic filter is atlest one substance selected from boron, aluminum, silicon, phosphorus, sulfur, chloride, titanium, zirconium and others |
| 10/31/2002 | US20020157323 Tank cover system with substantial gas seal |
| 10/31/2002 | DE19931223C2 Verfahren zum Erkennen und Aufrechterhalten der Betriebsbereitschaft eines NOx-Speicherkatalysators A method for detecting and maintaining the operational readiness of a NOx storage catalytic converter |
| 10/31/2002 | DE19747352A1 Bioactive room air filter used in plant pots in home or in office to filter out toxins comprises pot-like filter housing for receiving water/nutrient fluid, and filter element |
| 10/31/2002 | DE10125073A1 Filtering device used for filtering chemical vapors comprises sealed housing having passages and containing filter material through which chemical vapors flow |
| 10/31/2002 | DE10121163A1 Heterodispersed chelate resin preparation, useful for removal of metals,comprises reaction of monomer droplets using initiator comprising peroxycarbonate, perester or peroxyester |
| 10/31/2002 | DE10119651A1 Filtering device used for chemical vapors comprises housing containing filter material provided in closed bag through which vapors are able to flow into housing |
| 10/31/2002 | CA2443854A1 Waste treatment apparatus and method |
| 10/30/2002 | EP1253660A1 Electrochemical solid-state device comprising lanthanide calcium manganite |
| 10/30/2002 | EP1253300A1 Exhaust gas cleaning device having particulate filter means and method of regeneration for the filter means |
| 10/30/2002 | EP1253110A2 Ozone supplying apparatus |
| 10/30/2002 | EP1253109A2 Ozone producing apparatus |
| 10/30/2002 | EP1252925A1 Exhaust gas purifying catalyst and exhaust gas purifying method |
| 10/30/2002 | EP1252924A1 Exhaust gas purifying cataliyst and exhaust gas purifying method |
| 10/30/2002 | EP1252920A1 Air purifying device |
| 10/30/2002 | EP1252264A1 2-stage cooling process for synthesis gas |
| 10/30/2002 | EP1252102A1 Fluorine removal by ion exchange |
| 10/30/2002 | EP1251959A1 Stripping process with fully distributed openings on baffles |
| 10/30/2002 | EP1251958A1 Packing for heat- and material-exchange columns |
| 10/30/2002 | EP1251948A1 METHOD FOR THE TREATMENT OF ACTIVATED CARBONACEOUS MATERIAL CONTAINING ALKALI/ALKALINE EARTH METALS FOR THE REDUCTION OF NOx FROM FLUE GAS |
| 10/30/2002 | EP1251942A1 Catalytic devices |
| 10/30/2002 | EP1251941A1 Catalyst and adsorption composition |
| 10/30/2002 | EP1251940A2 A method for treatment of flue gas cleaning products |
| 10/30/2002 | EP1251936A1 Process, catalyst system, and apparatus for treating sulfur compound containing effluent |
| 10/30/2002 | EP1251882A1 Air deodorization device with a detachable cartridge |
| 10/30/2002 | EP0907413B1 Catalytic converter having a catalyst with noble metal on molecular sieve crystal surface and methods of making same |
| 10/30/2002 | EP0793526B1 Method and apparatus for purification of ventilating air |
| 10/30/2002 | EP0642822B1 Methods of removing and detecting harmful component in a gas |
| 10/30/2002 | CN2518573Y Flue gas desulfurizing packed tower |
| 10/30/2002 | CN2518572Y Centrifugal air oxynitride separating device |
| 10/30/2002 | CN2518571Y Cannelure type liquid collecting distributor |
| 10/30/2002 | CN1377294A Process for the removal of sulphur compounds from gases |
| 10/30/2002 | CN1093438C Raw refuse facility |
| 10/29/2002 | US6472061 Moisture control construction material |
| 10/29/2002 | US6472016 Membrane comprising a porous carrier and a layer of a molecular sieve and its preparation |
| 10/29/2002 | US6471929 Photocatalyst, manufacturing method therefor, and gas decomposition method |
| 10/29/2002 | US6471927 Feeding aqueous urea solution to a reaction chamber, flowing it through a catalytic converter, which converts it to ammonia, irradiating with microwaves, and discharging the ammonia-wtaer mixture |
| 10/29/2002 | US6471925 Using oxidation catalysts to purging carbon monoxide and ozone obtained from vapor deposition or reactive ion etching, to form carbon dioxide and oxygen; pollution control |
| 10/29/2002 | US6471924 Diesel engine catalytic exhaust systems having traps, mixtures of oxidation catalysts and adsorber materials on supports used for pollution control |
| 10/29/2002 | US6471923 Process for adsorbing and desording oxides of nitrogen |
| 10/29/2002 | US6471919 Apparatus for removing impurities from effluent waste gas streams |
| 10/29/2002 | US6471918 Filter, regeneration and soot-removing systems and applications |
| 10/29/2002 | US6471874 Effluent treating method, an effluent treating apparatus, and a cleaning apparatus using the same |
| 10/29/2002 | US6471861 Sorption vessel with improved grid piping |
| 10/29/2002 | US6471755 Gas conducting system with filter for moisture removal |
| 10/29/2002 | US6471750 Gas cabinet assembly comprising back migration scrubber unit |
| 10/29/2002 | US6471749 Gas purification method |
| 10/29/2002 | US6471748 Pressure swing adsorption apparatus with adsorbents having adiabatic selectivity and working capacity at prevailing temperatures and feed gas compositions layered in equilibrium and mass transfer zones; efficiency, reduced cost |
| 10/29/2002 | US6471747 Method and apparatus for delivering and recovering gasses |
| 10/29/2002 | US6471744 Vacuum-pressure swing absorption fractionator and method of using the same |
| 10/29/2002 | US6471506 Methods for reducing NOx in combustion flue gas using metal-containing additives |
| 10/29/2002 | US6470926 Zero gravity liquid-vapor separation system |
| 10/29/2002 | US6470693 Compressed air refrigeration system |
| 10/29/2002 | US6470682 Low emission, diesel-cycle engine |
| 10/29/2002 | US6470673 Control of a NOX reductant delivery system |
| 10/29/2002 | US6470594 Highly moisture-sensitive electronic device element and method for fabrication utilizing vent holes or gaps |