| 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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| 10/29/2002 | CA2259775C Apparatus for producing heat treatment atmospheres |
| 10/24/2002 | WO2002084099A1 Filter assemblies and systems for intake air for fuel cells |
| 10/24/2002 | WO2002084086A1 Exhaust gas cleaner for internal combustion engine |
| 10/24/2002 | WO2002084085A1 Particulate filter and method of removing particulate |
| 10/24/2002 | WO2002083591A1 A process and a plant for the production of portland cement clinker |
| 10/24/2002 | WO2002083309A1 Catalyst carrier structural body |
| 10/24/2002 | WO2002083307A1 Photocatalytic air purifier |
| 10/24/2002 | WO2002083301A2 Sox tolerant nox trap catalysts and methods of making and using the same |
| 10/24/2002 | WO2002083274A1 Exhaust gas system |
| 10/24/2002 | WO2002083273A1 Desiccant composition |
| 10/24/2002 | WO2002083272A1 Process for the preparation and recovery of carbon dioxide from waste gas or fumes produced by combustible oxidation |
| 10/24/2002 | WO2002083271A1 Washer and method for purifying gases |
| 10/24/2002 | WO2002083270A1 Passive filtration system |
| 10/24/2002 | WO2002083265A2 Devices and methods for chemical reactive filtration |
| 10/24/2002 | WO2002083260A2 Liquid distributor in mass transfer column and method of installation and use |
| 10/24/2002 | WO2002059043A8 Recovery and purification of water from the exhaust gases of int ernal combustion engines |
| 10/24/2002 | WO2002058819A8 So$g(x) tolerant no$g(x) trap catalysts and methods of making and using the same |
| 10/24/2002 | WO2002048032A3 Activated carbon for odor control and method for making same |
| 10/24/2002 | WO2002045849A3 Adsorbent and/or catalyst and binder system and method of making and using therefor |
| 10/24/2002 | US20020155593 Apparatus for use in the removal of foul odors associated with sewage treatment |
| 10/24/2002 | US20020155061 Converting methane in feed stream into hydrogen and carbon monoxide in two stages, to form a crude syngas stream; reforming of methane being thermally balanced through heat generated by oxidation of fuel supported by oxygen permeating |
| 10/24/2002 | US20020155051 For removing organic compounds such as hydrocarbons from the gas stream |
| 10/24/2002 | US20020155050 Contacting iron powder containing about 0.03 to about 2% by mass of sulfur, based on mass of iron powder, with halogenated hydrocarbons contained in the media; causing dehalogenation of halogenated hydrocarbons for decontamination |
| 10/24/2002 | US20020155049 Removing the nitrogen oxides of exhaust gas by selective reduction using ammonia in presence of catalyst prepared from natural manganese ores and heating |
| 10/24/2002 | US20020155042 To reduce contaminants, such as NOx/nitrogen oxides and SOx/sulfur oxides pollutants, from an effluent gas stream |
| 10/24/2002 | US20020155041 Used for transporting and conditioning air without moving parts |
| 10/24/2002 | US20020155040 During the stoichiometric operation, removes a lower proportion of carbon monoxide than the proportion of hydrocarbon it removes |
| 10/24/2002 | US20020155038 Combustion exhaust gas treatment process and treatment apparatus |
| 10/24/2002 | US20020153315 Polymeric membrane for separation of fluids under elevated temperature and/or pressure conditions |
| 10/24/2002 | US20020152891 Method of feeding, with impure nitrogen, the combustion chamber of a gas turbine combined with an air distillation unit, and corresponding electricity generation plant |
| 10/24/2002 | US20020152889 Sequential membrane separation one using membrane selective for organic compound over second gas, other selective for second gas over organic vapor, second-gas-selective membranes use selective layer made from a polymer |
| 10/24/2002 | US20020152746 Exhaust gas purifier for internal combustion engine |
| 10/24/2002 | US20020152745 Control system for mobile NOx SCR applications |
| 10/24/2002 | US20020152633 Adsorptive ethanol drying apparatus using microwaves and operating method thereof |
| 10/24/2002 | US20020152614 Method for producing a sintered honeycomb body |
| 10/24/2002 | EP1222002A4 Method and apparatus for air purification |
| 10/24/2002 | EP1218623A4 A catalytic reactor for promoting a chemical reaction on a fluid passing therethrough |
| 10/24/2002 | DE19939951C2 Verfahren für einen Brenner und eine entsprechende Vorrichtung Method for a burner and a corresponding device |
| 10/24/2002 | DE10119991A1 Purification of biogas containing hydrogen sulfide and ammonia, removes hydrogen sulfide at least partially by absorption into alkaline wash solution |
| 10/24/2002 | DE10119605A1 Purification of waste air from a mechanical-biological waste treatment plant comprises scrubbing the air with a mixture of water and decanted liquid from an anaerobic digester |
| 10/24/2002 | DE10118961A1 Dusty gas scrubber with overall zero or negative pressure loss, integrates jet pump operated by wash fluid to reduce pressure in gas stream |
| 10/24/2002 | CA2443892A1 Devices and methods for chemical reactive filtration |
| 10/23/2002 | EP1251250A1 Coarse surface-finished metallic foil with good corrugating workability and catalytic support for purification of exhaust gas |
| 10/23/2002 | EP1251248A1 Method and arrangement to remove soot particles from the exhaust gas of a diesel engine |
| 10/23/2002 | EP1251247A1 Exhaust gas purifying filter |
| 10/23/2002 | EP1250952A1 Catalyst, filter and process for eliminating soot particles from Diesel exhaust gases |
| 10/23/2002 | EP1250527A1 Intake system for an internal combustion engine with a membrane that is mainly permeable to oxygen molecules |
| 10/23/2002 | EP1250524A2 METHOD FOR DESULPHURISATION OF AN NO x? ACCUMULATOR-CATALYST ARRANGED IN AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE |
| 10/23/2002 | EP1250197A1 Method and device for treating and conditioning an effluent for vitrification |
| 10/23/2002 | EP1250186A1 Catalytic converter for cleaning exhaust gases and method for the production thereof |
| 10/23/2002 | EP1250042A1 Device for protecting plants against post-harvest decay and method for making same |
| 10/23/2002 | EP1047865B1 Honeycomb arrangement with an intermediate layer containing at least one metal foil |
| 10/23/2002 | EP1011847B1 Reactor for the plasma processing of gaseous media |
| 10/23/2002 | EP0988443B1 Radial catalytic converter, in particular for small engines |
| 10/23/2002 | EP0925105B1 Method and apparatus for treating gas by irradiation of electron beam |
| 10/23/2002 | EP0897461B1 Heat exchanger efficiency control by differential temperature |
| 10/23/2002 | EP0766594B1 Mass transfer apparatus |
| 10/23/2002 | CN2517516Y Colour paint plate paint smoke purifier |
| 10/23/2002 | CN2517481Y Dume desulfurizing denitrogenation appts. |
| 10/23/2002 | CN2517479Y Foam desulfurizing duster |
| 10/23/2002 | CN1376234A Method for diagnosing the level of deterioration of an Nox storage catalyst in the exhaust channel of an internal combustion engine |
| 10/23/2002 | CN1376087A A method and device for cleaning air in a compressed air system |
| 10/23/2002 | CN1375858A Method and apparatus for reducing diffuseness of perfluoro compound in process of semiconductor mfg. |
| 10/23/2002 | CN1375356A Co-elimianting catalyst |
| 10/23/2002 | CN1375355A Regenerable metal oxide desulfurizer and its prepn. process |
| 10/23/2002 | CN1375349A Neutralizing treatment process of coking effluent and waste flue gas |
| 10/23/2002 | CN1375348A Catalyst for eliminating ozone and nitrogen oxide and its prepn. process |
| 10/23/2002 | CN1092994C Gas decarbonization, desulfuration and decyanation technology by Fe-alkali solution catalyst method |
| 10/22/2002 | US6468941 Niobium containing zirconium-cerium based soild solutions |
| 10/22/2002 | US6468684 Proton conducting membrane using a solid acid |
| 10/22/2002 | US6468518 Deliquescent salt addition to alum used to treat animal waste products |
| 10/22/2002 | US6468490 Abatement of fluorine gas from effluent |
| 10/22/2002 | US6468489 Apparatus and method for decreasing contaminants present in a gas stream |
| 10/22/2002 | US6468486 Process for treating exhaust gases containing nitrides |
| 10/22/2002 | US6468485 Using zeolite SSZ-60 for reduction of oxides of nitrogen in a gas stream |
| 10/22/2002 | US6468484 NO2 abatement composition with enhanced sulfur resistance |
| 10/22/2002 | US6468428 Glass material for carrying a photocatalyst, filter device using the same and light irradiating method |
| 10/22/2002 | US6468345 Process for producing both steam power and cement clinker simultaneously in one apparatus its products, apparatus and use |
| 10/22/2002 | US6468334 Elongated absorbent unit with external fluid communication channels |
| 10/22/2002 | US6468333 Gas purifier apparatus |
| 10/22/2002 | US6468332 Selective degassing valve for containers of aromatic or odorous products, such as coffee and the like |
| 10/22/2002 | US6468331 Permselectivity of alkenes over alkanes under dry conditions; pourous support; polymer electrolyte layer has metal salt; stability |
| 10/22/2002 | US6468329 Using membrane containing silver compound |
| 10/22/2002 | US6468328 Oxygen production by adsorption |
| 10/22/2002 | US6468323 Grease containment assembly |
| 10/22/2002 | US6468321 Blade and skirt assembly for directional gas cleaning and drying system |
| 10/22/2002 | US6467258 Method and arrangement for control of air-fuel ratio of combustion engine |
| 10/22/2002 | CA2255889C Method of purifying exhaust gas of internal combustion engine and apparatus thereof |
| 10/17/2002 | WO2002081880A1 Honeycomb structure and its assembly |
| 10/17/2002 | WO2002081879A1 Method for producing a one-piece, structured metal sheet comprising a cavity, metal sheet and honeycomb body |
| 10/17/2002 | WO2002081788A2 Method for h2 recycling in semiconductor processing system |
| 10/17/2002 | WO2002081412A1 Method of reducing nitrogen oxide in hybrid inflator |
| 10/17/2002 | WO2002081406A1 Silicon carbide based porous article and method for preparation thereof |
| 10/17/2002 | WO2002081306A1 Method and installation for distributing oxygen-enriched air to aircraft passengers |
| 10/17/2002 | WO2002081137A2 Method and device for producing metallic honeycomb bodies using radiant heaters |
| 10/17/2002 | WO2002081083A1 Catalyst support with intersecting channel network, catalysis reactor comprising same and method for making same |
| 10/17/2002 | WO2002081063A1 Method for eliminating metal halides that are present in a liquid or gaseous, organic or non-organic effluent |
| 10/17/2002 | WO2002081062A1 Process for dehydrating gas |
| 10/17/2002 | WO2002081061A1 A combination filter for filtering fluids |
| 10/17/2002 | WO2002081060A2 Method for the absorptive outward transfer of ammonia and methane out of synthesis gas |