| 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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| 12/09/2009 | CN100566832C Multifunctional composite oxides powder body and method for using the powder body to prepare catalyst for motor vehicle exhausting gas purification |
| 12/09/2009 | CN100566799C Method for removing sulfur-dioxide in smoke by bamboo-carbon filler biological drip filtering tower |
| 12/09/2009 | CN100566798C Dust-containing gas treatment method for dry method dedusting system |
| 12/09/2009 | CN100566760C Method for purifying the air by surge field energy green plant |
| 12/08/2009 | US7629290 Cost efficiency; catalytic converters |
| 12/08/2009 | US7628969 uses generated alkaline, alkaline-earth, and/or silica/alumina to scavenge sulfur oxides in flue gas, minimize poisoning effects of sulfur oxides on mercury sorbent performance, and enhance particulate capture in electrostatic precipitators and other particulate filter devices by conditioning fly ash |
| 12/08/2009 | US7628968 Titanium oxide, vanadium oxide and a supported metal oxide of tungsten, molybdenum, chromium, scandium, yttrium, lanthanum, zirconium, hafnium, niobium, tantalum, iron, ruthenium, or manganese; purifying exhaust gases and waste gases from combustion processes |
| 12/08/2009 | US7628967 Scrubbing flue gas with sorbent then contacting partially cleaned stream with oxidant; high efficiency; single, staged tower without use of ammonia or selective catalytic reduction system |
| 12/08/2009 | US7628966 Method for scrubbing natural gas |
| 12/08/2009 | US7628965 Advanced carbon dioxide fuel tank inerting system with desulfurization |
| 12/08/2009 | US7628847 Device for removing particulate, various acids, and other contaminants from industrial gases |
| 12/08/2009 | US7628845 Filtering device and filtering method thereof and semiconductor fabricating method |
| 12/08/2009 | US7628843 Producing/purifying hydrogen by Pressure Swing Adsorption in a PSA unit of a feedstock gas at a first pressure containing hydrogen, with compressed waste being sent to a fuel gas mixture distribution network at a second pressure and also containing hydrogen and intended to supply various user stations |
| 12/08/2009 | US7628842 Hydrogen is purified within a membrane separator having hydrogen transport membrane elements having a dense metallic layer such as palladium; allows use of hydrogen transport membrane to remove impurities from standard grade hydrogen to be supplied to fuel cell from fuel tank mounted in vehicle |
| 12/08/2009 | US7628841 Method for manufacturing polyimide asymmetric membrane, and polyimide asymmetric membrane |
| 12/08/2009 | CA2623099C Method for absorbing gaseous oxidisable or reducible constituents through a membrane |
| 12/08/2009 | CA2569689C Flue gas desulfurization apparatus, flue gas desulfurization system, and method for operating flue gas desulfurization apparatus _ |
| 12/08/2009 | CA2484713C Method for desulphurisation of natural gas |
| 12/08/2009 | CA2417256C Improved aqua-ammonia absorption system generator utilizing structured packing |
| 12/08/2009 | CA2354741C Process and apparatus for isolating organic substances from a gas mixture in which these substances are present |
| 12/08/2009 | CA2339985C Method of manufacturing a sorbent, a sorbent obtained by such method, and method of cleaning a stream of hot gas |
| 12/08/2009 | CA2222067C Effluent gas treatment |
| 12/05/2009 | CA2633521A1 Gas dryer |
| 12/03/2009 | WO2009146233A1 Integral hydrogen and air purifier |
| 12/03/2009 | WO2009145877A1 Flow-through sorbent comprising a metal sulfide |
| 12/03/2009 | WO2009145081A1 Exhaust gas purifying system for internal combustion engine and soot filter regenerating method |
| 12/03/2009 | WO2009145002A1 Method and system for warming up exhaust gas purifying catalyst |
| 12/03/2009 | WO2009144931A1 Method of operating hydrolytic separator |
| 12/03/2009 | WO2009144880A1 Humidity control device |
| 12/03/2009 | WO2009144847A1 Particulate combustion catalyst, particulate filter and exhaust gas purifying apparatus |
| 12/03/2009 | WO2009144573A1 Exhaust purification catalyst |
| 12/03/2009 | WO2009144568A1 Exhaust purification catalyst |
| 12/03/2009 | WO2009144472A2 Carbon dioxide acceptors |
| 12/03/2009 | WO2009144393A1 Purification assembly having catalysts for gases and combustion fumes from solid fuel heating apparatus |
| 12/03/2009 | WO2009144277A2 Process for producing purified hydrocarbon gas |
| 12/03/2009 | WO2009144204A1 Exhaust gas processing |
| 12/03/2009 | WO2009144143A1 Method for processing a gas for reducing the carbon dioxide content thereof |
| 12/03/2009 | WO2009143965A1 Amine scrubber |
| 12/03/2009 | WO2009143728A1 A sound-muffling soot collector |
| 12/03/2009 | WO2009122140A3 Process for preparing catalysts involving the regeneration of metal carbonate precipitants |
| 12/03/2009 | WO2009099426A3 High temperature catalyst and process for selective catalytic reduction of nox in exhaust gases of fossil fuel combustion |
| 12/03/2009 | US20090297850 Hollow fiber, dope composition for forming hollow fiber, and method of making hollow fiber using the same |
| 12/03/2009 | US20090297421 Porous composite oxide and production method thereof |
| 12/03/2009 | US20090297420 Method of Treating a Gas Stream |
| 12/03/2009 | US20090297419 Ammonia scr catalyst and method of using the catalyst |
| 12/03/2009 | US20090297418 Composite Catalyst Materials And Method For The Selective Reduction Of Nitrogen Oxides |
| 12/03/2009 | US20090297417 SELECTIVE CATALYTIC NOx REDUCTION PROCESS AND APPARATUS PROVIDING IMPROVED GASSIFICATION OF UREA TO FORM AMMONIA-CONTAINING GAS |
| 12/03/2009 | US20090297416 ALUMINA-BASED NITROGEN OXIDE (NOx) TRAPPING COMPOSITIONS AND TREATMENT OF VEHICULAR EXHAUST GASES THEREWITH |
| 12/03/2009 | US20090297415 Method For Operating A Nitrogen Oxide Storage Catalyst In A Diesel Engine |
| 12/03/2009 | US20090297414 Hindered cyclic polyamines and their salts for acid gas scrubbing process |
| 12/03/2009 | US20090297413 Sorbents for the oxidation and removal of mercury |
| 12/03/2009 | US20090297407 Structure and catalytic filter for filtering a gas comprising a hydrophobic or oleophobic cement |
| 12/03/2009 | US20090294368 Method and Composition for Sorbing Toxic Substances |
| 12/03/2009 | US20090294366 Removal of carbon dioxide from air |
| 12/03/2009 | US20090293879 Device and Method for Producing Oxygen |
| 12/03/2009 | US20090293731 Process for treating a loaded solvent stream having a time-varying concentration of contaminant |
| 12/03/2009 | US20090293728 Canisters |
| 12/03/2009 | US20090293727 Fuel vapour adsorbing device |
| 12/03/2009 | US20090293726 Activated carbon filter unit for a tank system |
| 12/03/2009 | US20090293725 Steady state tracking desorption system and method |
| 12/03/2009 | US20090293724 Water extractor and a method of extracting water |
| 12/03/2009 | US20090293723 Carbon dioxide removal from synthesis gas at elevated pressure |
| 12/03/2009 | US20090293722 Method and Apparatus for Energy Reduction In Acid Gas Capture |
| 12/03/2009 | US20090293721 Dispersion lance and shield for dispersing a treating agent into a fluid stream |
| 12/03/2009 | US20090293720 Adsorbent and adsorbent bed for materials capture and separation processes |
| 12/03/2009 | US20090293719 Fractal structured nanoagglomerates as filter media |
| 12/03/2009 | US20090293717 Method and apparatus for producing and storing ozone using adsorbent |
| 12/03/2009 | US20090293527 Electrolytic water generating device, air filtering system, air conditioning and filtering apparatus, and air conditioning and filtering system |
| 12/03/2009 | US20090293460 Engine exhaust emission purification apparatus |
| 12/03/2009 | DE102008026155A1 Activated-carbon filter's heating device operating method for fuel tank of motor vehicle, involves providing heating device with alterable heat line, which operates depending on loading rate of activated-carbon filter |
| 12/03/2009 | DE102008025958A1 Trocknungsvorrichtung und Trocknungsverfahren für Solarmodule Drying apparatus and drying processes for solar modules |
| 12/03/2009 | DE102008025854A1 Arrangement for supplying aqueous urea solution into exhaust strand of diesel engine of passenger car, has separating unit separating phase of fluid from solution, where phase stays in contact with solution if necessary |
| 12/03/2009 | DE102008025577A1 Verfahren zum Betreiben einer Fischer-Tropsch-Synthese A method of operating a Fischer-Tropsch synthesis |
| 12/03/2009 | DE102008025225A1 Adsorption method i.e. pressure change-adsorption method, for adsorptive separation of two-component process gas mixtures, involves carrying out pre-controlling of control valves before valves control pressure ramp and/or pressure transfer |
| 12/03/2009 | DE102008023791A1 Evaporator cooling system for e.g. warehouse, has sorbent comprising sections arranged between air inlets and air outlets of drier, where sections are transferred into each other by rotation of sorbent |
| 12/03/2009 | DE102004019660B4 Abgasreinigungsverfahren für einen Verbrennungsmotor Emission control method for an internal combustion engine |
| 12/03/2009 | CA2726229A1 Process for producing purified hydrocarbon gas |
| 12/03/2009 | CA2718760A1 Purification assembly having catalysts for gases and combustion fumes from solid fuel heating apparatus |
| 12/02/2009 | EP2128398A1 Exhaust gas purification device |
| 12/02/2009 | EP2128397A1 Exhaust emission control system of internal combustion engine |
| 12/02/2009 | EP2128396A1 Breakdown diagnosing device and breakdown diagnosing method of nox sensor |
| 12/02/2009 | EP2128395A1 Reducing agent injection valve clogging judgment device and reducing agent injection valve clogging judgment method |
| 12/02/2009 | EP2128392A1 Exhaust emission purification method and exhaust emission purification system |
| 12/02/2009 | EP2128082A1 Hydrogen purification method, hydrogen separation membrane, and hydrogen purification apparatus |
| 12/02/2009 | EP2127745A1 Catalyst composition |
| 12/02/2009 | EP2127744A1 Catalyst system for use in exhaust gas purification apparatus for automobiles, exhaust gas purification apparatus using the catalyst system, and exhaust gas purification method |
| 12/02/2009 | EP2127743A1 Exhaust gas purification catalyst and method for production thereof |
| 12/02/2009 | EP2127733A1 Hydrogen permeable film and method for manufacturing the same |
| 12/02/2009 | EP2127732A1 Ceramic honeycomb structure |
| 12/02/2009 | EP2127731A1 Method for producing catalyst material |
| 12/02/2009 | EP2127730A1 Catalyst material |
| 12/02/2009 | EP2127729A1 Exhaust gas purification catalyst |
| 12/02/2009 | EP2127728A1 Method and apparatus for treating discharge gas |
| 12/02/2009 | EP2127727A1 Air dryer with integrated regeneration control and method for operating same |
| 12/02/2009 | EP2127726A1 Method of regenerating a loaded sorbent using concentrated solar power and an apparatus therefor |
| 12/02/2009 | EP2127725A1 Honeycomb structure and exhaust gas conversion apparatus |
| 12/02/2009 | EP2127721A1 Metallic carrier for catalysts or particulate separators and use of this container |
| 12/02/2009 | EP2127719A1 Honeycomb structure |
| 12/02/2009 | EP2126499A2 Natural gas processing system |
| 12/02/2009 | EP2126301A1 Delivery module for selective catalytic reduction |