| 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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| 04/21/2004 | EP1410837A2 A method for purifying exhaust gas of an internal combustion engine |
| 04/21/2004 | EP1410836A2 Method for abatement of waste oxide gas emissions |
| 04/21/2004 | EP1410835A1 Oxygen enrichment apparatus |
| 04/21/2004 | EP1410834A2 Plant for the hot treatment of waste gases from municipal waste incinerators |
| 04/21/2004 | EP1410691A2 Microwave desorber |
| 04/21/2004 | EP1409923A1 Industrial and/or household waste treatment method and an industrial and/or household waste treatment installation |
| 04/21/2004 | EP1409859A2 Fuel supply system of an internal combustion engine |
| 04/21/2004 | EP1409403A2 Zeolite ssz-57 |
| 04/21/2004 | EP1409402A2 Zeolite ssz-59 |
| 04/21/2004 | EP1409165A1 Product based on clinkers from household refuse incineration and use thereof in landfills for purifying biogas |
| 04/21/2004 | EP1409114A2 Method for cleaning coke oven gas |
| 04/21/2004 | EP1409113A1 Apparatus and method for fluid purification |
| 04/21/2004 | EP1409111A1 Indoor fan filter |
| 04/21/2004 | EP1409082A1 Cool oxygen chemical gas generator |
| 04/21/2004 | EP1239941B1 Method and apparatus for binding pollutants in flue gas |
| 04/21/2004 | EP1117909B1 Method and device for catalytically removing a pollutant from the exhaust gas of an internal combustion system |
| 04/21/2004 | EP1102619B1 Method for converting urea into ammonia |
| 04/21/2004 | EP1060096B1 Air dryer reservoir module components |
| 04/21/2004 | EP1056937A4 Combustion engine air supply system |
| 04/21/2004 | EP0839060B1 Reduction of malodor |
| 04/21/2004 | CN2612452Y Metal carrier for ternary catalyzing purifier |
| 04/21/2004 | CN2612447Y Humid -type desulfurizing dust catcher |
| 04/21/2004 | CN2612446Y High voltage narrow pulse generating device of active oxygen |
| 04/21/2004 | CN2612445Y Portable oxygen generator using membrane |
| 04/21/2004 | CN2612444Y Air conditioner for removing carbon dioxide and replenishing oxygen using pressure changeable adsorption method |
| 04/21/2004 | CN2612443Y Pressure adjustable adsorption device |
| 04/21/2004 | CN2612442Y Device for removing the carbon dioxide and replenishing oxygen in room |
| 04/21/2004 | CN1491194A Para-xylene and ethylbenzene separation from mixed C8 aromatics |
| 04/21/2004 | CN1491130A Flue gas treatment apparatus and desulfurization method |
| 04/21/2004 | CN1491129A Enhanced rate PSA process |
| 04/21/2004 | CN1491128A Use of material and method for retaining polyhalogenated compounds |
| 04/21/2004 | CN1491120A Deodorizer, deodorizing apparatus, and deodorizing and bacteria removing apparatus |
| 04/21/2004 | CN1490681A Electronic wet camera imager with oxidation catalyst |
| 04/21/2004 | CN1490500A Exhaust purifying filter catalyzer and producing method thereof |
| 04/21/2004 | CN1490242A Ozone producing method |
| 04/21/2004 | CN1490073A Dry flue gas desulfurization process by direct blowing desulfurizing agent preparation and digestive reactor |
| 04/21/2004 | CN1490072A Cyclic fluidizing dry flue desurlfurizing and duct collecting process by electric bag dust collector |
| 04/21/2004 | CN1490071A Desulfurizing agent preparing method in circulating fluid dry flue gas desulfurization process |
| 04/21/2004 | CN1490070A Double vortex flue washing device |
| 04/21/2004 | CN1490062A Oxygen enriching devices |
| 04/21/2004 | CN1146655C Sulphur reducing bacterium and its use in biological desulphurisation processes |
| 04/21/2004 | CN1146465C Process for decomposition of nitrous oxide |
| 04/21/2004 | CN1146464C Method and device for detoxifying and deodorizing sterilizing gas |
| 04/21/2004 | CN1146463C Method and device for liquid purification of crude gas flows |
| 04/20/2004 | US6725180 Environmental monitoring system |
| 04/20/2004 | US6724003 Electron beam-irradiating reaction apparatus |
| 04/20/2004 | US6723756 Contacting unreacted syngas with water to remove carbon dioxide, reducing amount of carbon dioxide released into environment |
| 04/20/2004 | US6723665 Process for manufacturing semiconductor integrated circuit device including treatment of gas used in the process |
| 04/20/2004 | US6723659 Micromirror unit fabrication method and micromirror unit made by the same |
| 04/20/2004 | US6723296 Material and method for treating gaseous media containing volatile organic compounds |
| 04/20/2004 | US6723295 Molding copper oxide and aluminum oxide composite; impreg-nating with copper, magnesium and or zinc oxides or nitrates; drying and calcining |
| 04/20/2004 | US6723157 Material for capturing chemical substance, method for producing the same, and chemical substance-capturing tube |
| 04/20/2004 | US6723156 Hydrogen purification membranes, components and fuel processing systems containing the same |
| 04/20/2004 | US6723155 Purification of gas streams |
| 04/20/2004 | US6723154 Method and device for cleaning air in a compressed air system |
| 04/20/2004 | US6723153 Introducing mixture of sulfur hexafluoride(sf6) and nitrogen(n2) to a membrane separator comprising separating membrane which preferentially passes n2 to obtain sf6 enriched retentate and a n2 enriched permeate |
| 04/20/2004 | US6723152 Gas separation using membranes formed from blends of perfluorinated polymers |
| 04/20/2004 | US6723151 Gas removal method and gas removal filter |
| 04/20/2004 | US6722639 Liquid distributor in mass transfer column and method of installation and use |
| 04/20/2004 | US6722295 Spraying an aqueous liquid comprises dispersed reducing agents, such as solid particles of lime, injected by a nozzle to have specified distribution and non-uniform droplet size |
| 04/20/2004 | US6722182 Solid state vapor generator |
| 04/20/2004 | US6722154 Metal hydride based air cooling method and apparatus |
| 04/20/2004 | US6722124 Catalytic converter |
| 04/20/2004 | US6722123 Exhaust aftertreatment device, including chemical mixing and acoustic effects |
| 04/20/2004 | CA2138098C A method for treating waste of flue gases |
| 04/18/2004 | CA2443911A1 Method for abatement of waste oxide gas emissions |
| 04/16/2004 | CA2438159A1 Method of enhancing the operation of a diesel fuel combustion after treatment system |
| 04/16/2004 | CA2437997A1 Emissions control system for diesel fuel combustion after treatment system |
| 04/15/2004 | WO2004031643A1 Residential compressor for refueling motor vehicles that operate on gaseous fuels |
| 04/15/2004 | WO2004031549A1 METHOD AND APPARATUS FOR REGENERATING NOx ADSORBERS |
| 04/15/2004 | WO2004031546A2 Bypass controlled regeneration of nox adsorbers |
| 04/15/2004 | WO2004031544A2 Exhaust gas treatment device and method for making the same |
| 04/15/2004 | WO2004031101A1 Honeycomb structural body |
| 04/15/2004 | WO2004030855A1 Cleaning gas device cleaning the process gas of a reflow soldering system |
| 04/15/2004 | WO2004030817A2 Method for the production of catalytically active layer silicates |
| 04/15/2004 | WO2004030808A2 Sintered glass bead filter with active microbial destruction |
| 04/15/2004 | WO2004030806A1 Methdo and equipment for treating harmful gases |
| 04/15/2004 | WO2004030798A1 Exhaust system for a diesel engine comprising a nox-trap |
| 04/15/2004 | WO2004030797A1 Flue gas purification method |
| 04/15/2004 | WO2004030796A1 REACTOR AND PROCESS FOR REDUCING EMISSIONS OF CO AND NOx |
| 04/15/2004 | WO2004030795A1 Process and plant for ultrapurifying fumes or gasses |
| 04/15/2004 | WO2004030794A2 Gas compressor with drier |
| 04/15/2004 | WO2004030768A1 Harmful substance treatment system |
| 04/15/2004 | WO2004030767A1 Harmful substance treating system |
| 04/15/2004 | WO2004030452A2 Device for providing microclimate control |
| 04/15/2004 | WO2004011048B1 Absorbent binder desiccant composition and articles incorporating it |
| 04/15/2004 | WO2004010058A3 Gas monitoring system and method |
| 04/15/2004 | WO2004002893A3 Composition based on zirconium oxide and oxides of cerium, lanthanum and of another rare earth, a method for preparing same and use thereof as catalyst |
| 04/15/2004 | WO2004002621A3 Multi-zone catalytic converter |
| 04/15/2004 | WO2001078872A8 Compressor installation provided with a drying device |
| 04/15/2004 | US20040073027 Premixing with carbon dioxide before wet urea scrubbing; high pressure reactors |
| 04/15/2004 | US20040072972 Using molecular sieve to remove impurities |
| 04/15/2004 | US20040072687 Exhaust gas purifying method and system for fuel cell vehicle |
| 04/15/2004 | US20040072051 Fuel cell system, hydrogen gas supply unit, and method of controlling fuel cell system |
| 04/15/2004 | US20040071932 Exhaust gas purifying filter with reinforced peripheral area and method for manufacturing the same |
| 04/15/2004 | US20040071931 Honeycomb structure, method for manufacturing honeycomb structure, and exhaust gas purification system using honeycomb structure |
| 04/15/2004 | US20040071894 Preparation of composite silica membranes with thermal stability by a soaking-rolling method |
| 04/15/2004 | US20040071621 Flue gas processing apparatus and desulfurization method |
| 04/15/2004 | US20040071620 Efficiently, economically scrubbing; spraying fine droplets of cooling liquid containing hydrated alkali microparticles that dissolve during evaporation; removing both unreacted material and reaction products |
| 04/15/2004 | US20040071612 Porous system having transition oxide coating; sunlight illumination and moisture produce air purifying free hydroxyl groups |