| 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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| 02/11/2004 | EP1388165A2 Substrate transport container |
| 02/11/2004 | EP1387931A1 Method and apparatus for manufacturing a catalytic converter |
| 02/11/2004 | EP1387930A1 Device for the post-treatment of exhaust gases of an internal combustion engine |
| 02/11/2004 | EP1387929A1 Method for operating an internal combustion engine, especially a motor vehicle internal combustion engine |
| 02/11/2004 | EP1387723A1 Passive filtration system |
| 02/11/2004 | EP1229992B1 Filter system for separating soot particles from a stream of exhaust gas |
| 02/11/2004 | CN2603319Y Device for exhausting cooking fume, odor and other harmful substance |
| 02/11/2004 | CN2602817Y Integrated treatment device for catalytic burning organic waste gas |
| 02/11/2004 | CN2602816Y 有机气体净化器 Organic gas purifier |
| 02/11/2004 | CN2602815Y Multi-function fume purifier |
| 02/11/2004 | CN2602814Y Cooking fume purifier |
| 02/11/2004 | CN2602813Y Wet type desulfurizing dust removing equipment for boiler |
| 02/11/2004 | CN1474908A Apparatus and method for applying double-coated pressure sensitive tape, and method for producing catalytic converter |
| 02/11/2004 | CN1474712A Air filter assembly for low temperature catalytic processes |
| 02/11/2004 | CN1474043A Air exhaust pwrifying filter catalyst |
| 02/11/2004 | CN1473762A Process for producing aluminium hydroxide using biological fermenting waste gas CO2 |
| 02/11/2004 | CN1473653A Composite catalyst for directly decomposing nitrogen oxide under rich oxygen condition |
| 02/11/2004 | CN1473651A Noble metal-rare-earth catalyst for purifying waste gas and its preparation |
| 02/11/2004 | CN1138121C Equipment and method for cooling and drying |
| 02/11/2004 | CN1137785C Binary Fe-alkali desulfurizing catalyst |
| 02/11/2004 | CN1137784C Binary composite Fe-alkali desulfurizing catalyst |
| 02/11/2004 | CN1137776C Co-eliminatnig catalyst |
| 02/11/2004 | CN1137760C Pre-treating process for regenerating sodium hydroxide as desulfurizing agent by electrolysis |
| 02/11/2004 | CN1137759C Comprehensive garbage incinerating tail gas purifying method and equipment |
| 02/11/2004 | CN1137758C Method for removing SO2 in flue gas with ammonia |
| 02/11/2004 | CN1137757C Treatment of gaseous emissions |
| 02/11/2004 | CN1137756C Liquid-contained gas liquid-removing defoging device |
| 02/11/2004 | CN1137755C Removement of Co2 and H2S from vapour cracking crude gas |
| 02/11/2004 | CN1137754C Clean exhaust system for coal-fuel boiler without chimney |
| 02/11/2004 | CN1137753C Process for purifying Co2 and H2S from biological gas |
| 02/11/2004 | CN1137752C Mobile system and process for enriching nitrogen |
| 02/11/2004 | CN1137751C Multiple adsorbent loading method and apparatus for radial flow vessel |
| 02/11/2004 | CN1137750C Fluid-cooled injector |
| 02/11/2004 | CN1137747C Process for treatment of flue gas desulfurization waste water |
| 02/11/2004 | CN1137744C Method for eliminating organophosphorus compound contained in gas or liquid |
| 02/10/2004 | US6691020 Method and system for optimizing purge of exhaust gas constituent stored in an emission control device |
| 02/10/2004 | US6689714 Core-in-shell sorbent for hot coal gas desulfurization |
| 02/10/2004 | US6689709 Pretreated to incorporate nonframework aluminum oxide chains; maintains high catalytic activity |
| 02/10/2004 | US6689707 Low thermal expansion calcium aluminate articles |
| 02/10/2004 | US6689332 Process for removing carbon dioxide from combustion gases |
| 02/10/2004 | US6689327 Corrugated metal sheet coated with catalyst |
| 02/10/2004 | US6689322 Shaped metallic foils are converted into free-standing, porous rutile foils having open pore structure by oxidation at elevated temperature; exposure to increasing concentrations of reducing gas (carbon monoxide) increases electrical resistance |
| 02/10/2004 | US6689252 Abatement of hazardous gases in effluent |
| 02/10/2004 | US6689198 Self-retaining adsorbent unit |
| 02/10/2004 | US6689197 Does not leak from containers |
| 02/10/2004 | US6689196 Fuel vapor control apparatus |
| 02/10/2004 | US6688494 Process for the manufacture of metal nanoparticle |
| 02/10/2004 | US6688477 Multilayer; porous support, permselective layer; membrane for separation of gases, liquids |
| 02/10/2004 | CA2324247C Cellulose/polymer composite enthalpy exchanger and method for its manufacture |
| 02/10/2004 | CA2324113C Polymeric desiccant articles and process for their manufacture |
| 02/10/2004 | CA2290257C Vacuum cleaner exhaust filter with ion generation stage |
| 02/10/2004 | CA2274251C Dual containment condensation assembly |
| 02/05/2004 | WO2004011783A2 System and method for reducting pollutants from diesel engine exhaust |
| 02/05/2004 | WO2004011386A1 Aluminum titanate-based ceramic article |
| 02/05/2004 | WO2004011376A1 Manganese compound, process for producing the same, and method of utilization of the same |
| 02/05/2004 | WO2004011374A1 Method for removing ammonia from a gas comprising hydrogen cyanide, ammonia and water |
| 02/05/2004 | WO2004011286A2 Oxygen-enriched air supplying apparatus |
| 02/05/2004 | WO2004011136A1 Filter element, filter and method of using and method of cleaning the same |
| 02/05/2004 | WO2004011135A1 Chemical reaction system of electrochemical cell type, method for activation thereof and method for reaction |
| 02/05/2004 | WO2004011130A1 Thin film supporting substrate used in filter for hydrogen production and method for manufacturing filter for hydrogen production |
| 02/05/2004 | WO2004011127A1 Method of purifying air, process for manufacture of fertilizer, apparatus for purifying air and building provided with this apparatus |
| 02/05/2004 | WO2004011126A1 Sorption concentrator with electrically heated desorption regeneration |
| 02/05/2004 | WO2004011125A2 Spin-on desiccant cartridge with integral oil removal filter |
| 02/05/2004 | WO2004011119A2 Vapor-liquid contact trays and method employing same |
| 02/05/2004 | WO2004011048A1 Absorbent binder desiccant composition and articles incorporating it |
| 02/05/2004 | WO2004011046A1 Absorbent binder composition, method of making it, and articles incorporating it |
| 02/05/2004 | WO2003078030A3 Treatment of environmental pollutants with mineral ores |
| 02/05/2004 | WO2003061812A3 Polyolefin membrane with an integrally asymmetric structure and method for the production thereof |
| 02/05/2004 | US20040024280 Forming gas hydrate of the toxic agent, Smaller-molecule toxic agent form sI or sII type hydrates, and larger form sH type hydrate, supplying a companion gas to fill smaller voids of sH hydrate, enabling larger-molecule to form hydrates |
| 02/05/2004 | US20040024279 In-drum pyrolysis system |
| 02/05/2004 | US20040024108 Light-responsive material and manufacture method of the same |
| 02/05/2004 | US20040023796 Catalyst for decomposing nitrous oxide and method for performing processes comprising formation of nitrous oxide |
| 02/05/2004 | US20040023789 Porous silicon nitride article and method for production thereof |
| 02/05/2004 | US20040023419 System and method for monitoring contamination |
| 02/05/2004 | US20040023363 Biofiltering system for treating air |
| 02/05/2004 | US20040023086 Methane fermentation of organic matter, especially in a proton exchange membrane fuel cell |
| 02/05/2004 | US20040022721 Furnace oxidising hydrogen sulfide to sulfur dioxide; withdrawing partially reacted gas stream; extracting sulphur vapour; catalytically reacting hydrogen sulphide; catalytically reducing with hydrogen to hydrogen sulphide |
| 02/05/2004 | US20040022709 Method for removing ammonia from a gas comprising hydrogen cyanide, ammonia and water |
| 02/05/2004 | US20040022708 Forming a mixture of a reducing agent selected from ammonia, urea and mixtures, and readily-oxidizable gas; injecting mixture into stream at a point wherein temperature below about 1600 degrees F |
| 02/05/2004 | US20040022707 Oxidation of NOx's with sodium chlorite in combination with a thermal NOx removal process |
| 02/05/2004 | US20040022701 For removal of carbonaceous combustion products or for simultaneous removal of carbonaceous combustion products and nitrogen oxides from the exhaust emissions from an internal combustion engine |
| 02/05/2004 | US20040022700 Method and apparatus for removing pollutants using photoelectrocatalytic system |
| 02/05/2004 | US20040020827 N-cyclobutylmethyl-n-ethylhexa(or hepta)methyleneiminium cation structure directing agen; catalytic cracking, isomerization, alkylation |
| 02/05/2004 | US20040020766 Wall construction for electrolytic cell |
| 02/05/2004 | US20040020598 Object processing apparatus and plasma facility comprising the same |
| 02/05/2004 | US20040020366 Adsorption gas dryer |
| 02/05/2004 | US20040020359 For purifying the atmosphere normally drawn into a vehicle and more particularly cleansed of volatile organic compounds (VOC's) |
| 02/05/2004 | US20040020192 Exhaust emission purification device for internal combustion engine |
| 02/05/2004 | US20040020176 Filtering particulate and gaseous pollutants from internal combustion engines having intermetallic and ceramic phases, and the cermet material is made from transition metal aluminide |
| 02/05/2004 | DE19905345B4 Abgasnachbehandlungsvorrichtung für Kraftfahrzeuge Exhaust aftertreatment device for motor vehicles |
| 02/05/2004 | DE10328118A1 Abgasreinigungsfilter und Verfahren zu dessen Herstellung An exhaust gas purification filter and process for its preparation |
| 02/05/2004 | DE10309832A1 Solvent recovery from azeotropic aqueous mixtures comprises use of combination of distillation and membrane separation techniques to produce high quality material for re-use |
| 02/05/2004 | DE10234274A1 Reduction of malodorous emissions from chemical tar dumps or pitch lakes during e.g. ground remediation or fuel recovery, comprises covering deposits with layer of moist brown coal fines |
| 02/05/2004 | DE10233015A1 Vorrichtung und Verfahren zur Trocknung eines Gasstromes Device and method for drying a gas stream |
| 02/05/2004 | DE10232757A1 Damping arrangement for flow of gas flowing to fuel cell has dampening unit through which two gases flow separated from each other by membrane that is permeable for water steam |
| 02/05/2004 | DE10232120A1 Verfahren und Vorrichtung zum künstlichen Altern eines Kraftfahrzeugkatalysators Method and apparatus for the artificial aging of a motor vehicle catalyst |
| 02/05/2004 | DE10232016A1 Hair dryer has hygroscopic cleaning air filter in front of heating element so that air being heated is freed of water vapour, aerosol, spray etc |
| 02/05/2004 | DE10126828B4 Vorrichtung zum Reinigen von Abgas bei einem Verbrennungsmotor A device for purifying exhaust gas in an internal combustion engine |
| 02/05/2004 | CA2493161A1 System and method for reducting pollutants from diesel engine exhaust |
| 02/05/2004 | CA2489164A1 Vapor-liquid contact trays and method employing same |