| 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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| 05/16/2002 | US20020058586 Using a spent catalyst discharged from a hydrodesulfurization process of an oil refinery which comprises vanadium, nickel, molybdenum and sulfur component on alumina, and a tungsten-impregnated support. |
| 05/16/2002 | US20020058451 Bedding mat for supporting an exhaust gas catalyst |
| 05/16/2002 | US20020058181 Niobium alloy and hydrogen permeation membrane produced from it |
| 05/16/2002 | US20020058169 Carbon monoxide/water removal from fuel cell feed gas |
| 05/16/2002 | US20020058152 Intermediate metal layers made of metal of melting point lower than that of metal layers; subjected to melting to form a eutectic layer between intermediate metal and metal layers; suitable for hydrogen separation material in fuel gas |
| 05/16/2002 | US20020058004 Exhaust from the first sulfur trap is normally directed to the emission reduction device, but is diverted to a second sulfur trap when the first sulfur trap is saturated. |
| 05/16/2002 | US20020057998 Converter housing size based upon substrate size |
| 05/16/2002 | US20020057997 Monolithic carrier and a catalyst layer containing Pd, Ba and a heat-resistant inorganic oxide, formed on the carrier. |
| 05/16/2002 | US20020056828 Gas dehydration with cavitation regeneration of potassium formate dehydrating solution |
| 05/16/2002 | US20020056451 Nitrous oxide based oxygen supply system |
| 05/16/2002 | US20020056375 Surge absorber flow regulation for modular pressure swing adsorption |
| 05/16/2002 | US20020056374 Gas separation with split stream centrifugal turbomachinery |
| 05/16/2002 | US20020056373 Contacting gas mixture with polyimide or cellulose acetate membrane to obtain non-permeate stream rich in sulfur hexafluoride |
| 05/16/2002 | US20020056371 Membrane system and method for separation of gases |
| 05/16/2002 | US20020056370 Gas permeable member for hydrogen storage container |
| 05/16/2002 | US20020056369 Pyrolyzing a carbon based polymer to form pores; forming sieve particles of a desired size; incorporating particles into a continuous phase polymer to form the mixed matrix membrane; separating gases having different molecular weights |
| 05/16/2002 | US20020056273 Reducing agent for emission control system, reducing-agent supply device, and emission control system using the reducing agent |
| 05/16/2002 | US20020056270 Exhaust gas purifying system |
| 05/16/2002 | US20020056269 Apparatus for reducing the emission of vaporized hydrocarbons in a fuel supply system |
| 05/16/2002 | DE10056015A1 Control method for motor vehicle internal combustion engine exhaust gas return circuit involves comparing two operating condition values and adjusting them to correspond |
| 05/16/2002 | DE10053904A1 Kleinvolumiger NO¶x¶-Adsorber Small volume NO¶x¶ adsorber |
| 05/16/2002 | DE10053828A1 Controlling catalyst comprises measuring temperature gradient over catalyst path during operation of catalyst, and ignoring and/or suppressing gradient measured at zero or close to zero in heating-up phase |
| 05/16/2002 | DE10035650A1 Process for converting gas or gas mixtures comprises feeding the gas through a UV reactor so that the oxidation state of the gas or its individual components is changed |
| 05/16/2002 | DE10004138C2 Verfahren und Vorrichtung zur Entsorgung und Verwertung von Abfallgütern Method and apparatus for disposal and recycling of waste materials |
| 05/16/2002 | CA2428280A1 Gas separation device |
| 05/15/2002 | EP1205714A2 Smoke exhausting device |
| 05/15/2002 | EP1205707A2 Removal of noxious substances from gas streams |
| 05/15/2002 | EP1205434A1 Method of controlling a modular ceramic oxygen generating system |
| 05/15/2002 | EP1205433A1 Carbon monoxide /water removal from fuel cell feed gas |
| 05/15/2002 | EP1205242A1 Method for preparing decomposition catalyst for organic halide and method for manufacturing filter for use in decomposing organic halide |
| 05/15/2002 | EP1205240A1 Noble metal alloy catalyst for purifying exhaust gases |
| 05/15/2002 | EP1205236A2 Exhaust gas purifying catalyst and method of producing same |
| 05/15/2002 | EP1205235A1 Method and system for diesel engine exhaust treatment using a combination of non-thermal plasma and metal doped gamma-alumina catalysts |
| 05/15/2002 | EP1205234A1 Method and apparatus for disposing of fluorine-containing compound by decomposition |
| 05/15/2002 | EP1205233A1 Process for flue gas purification |
| 05/15/2002 | EP1205232A2 Gas separation apparatus and gas separation method |
| 05/15/2002 | EP1205231A1 Use of lithium-containing faujasite in air separation processes including water and/or carbon dioxide removal |
| 05/15/2002 | EP1205230A1 Method for removing a halogen-containing gas |
| 05/15/2002 | EP1205228A1 Ceramic filter and filter device |
| 05/15/2002 | EP1204816A1 Mixer element for a fluid that is guided in a pipe |
| 05/15/2002 | EP1204815A1 Method for regulating the exhaust gas temperature of a lean combustion engine during the desulphurization of a catalyst |
| 05/15/2002 | EP1204592A1 Zeolite ssz-52 |
| 05/15/2002 | EP1204473A1 Rejuvenable ambient temperature purifier |
| 05/15/2002 | EP1204459A1 Device for reducing the nitrogen content of the waste gases of an internal combustion engine |
| 05/15/2002 | EP1204458A1 Method for removing nitrogen oxides from an oxygen-containing gas stream |
| 05/15/2002 | EP1204457A1 Oxide ion conductive ceramic membrane |
| 05/15/2002 | EP1204456A1 Modular pressure swing adsorption apparatus |
| 05/15/2002 | EP1204451A1 Methods and apparatus for purifying air using mixed liquid |
| 05/15/2002 | EP1182332A9 Exhaust gas cleaning device |
| 05/15/2002 | EP1091797B1 Method for the biological purification of waste waters and waste gases and biofilter therefor |
| 05/15/2002 | EP0986720B1 Method for charging the combustion unit of a coal-fuelled power station |
| 05/15/2002 | EP0930930B1 PROCESS FOR REMOVING NOx FROM EXHAUST FUMES |
| 05/15/2002 | EP0871532B1 Process for removing heavier aromatic compounds from a light hydrocarbon gas stream |
| 05/15/2002 | CN2491091Y Combined filter net |
| 05/15/2002 | CN1349602A 冷冻装置 Refrigeration unit |
| 05/15/2002 | CN1349477A Process for the nondestructive heating and supply of hot ammonia of hot ammonia containing |
| 05/15/2002 | CN1349427A Absorbent compositions for the removal of acid gases from the gas streams |
| 05/15/2002 | CN1348830A Desulfurizing technology and system with regenerable metal oxide as desulfurizing agent |
| 05/15/2002 | CN1084827C Method and device for purifying exhaust gas from internal combustion engine |
| 05/15/2002 | CN1084639C Fully sealed and met type smoke purification with removal of sulphur |
| 05/14/2002 | US6387970 Acrylonitrile polymer |
| 05/14/2002 | US6387845 Lithium silicate as absorber |
| 05/14/2002 | US6387836 Method for renewed activation of honeycomb-shaped catalyst elements for denitrating flue gases |
| 05/14/2002 | US6387338 Preparation of multi-component Ce, Zr, Mox high oxygen-ion-conduct/oxygen-storage-capacity materials |
| 05/14/2002 | US6387337 Flowing gas containing carbon dioxide through a bed of sorbent perpendicular to the movement of said sorbent, regulating speed of sorbent through the fluidized bed reactor relative to gas flow rate; greenhouse gas removal |
| 05/14/2002 | US6387336 Using ammonia and a reduction catalyst; gaseous ammonia is made available by heating a solid storage medium in a container |
| 05/14/2002 | US6387333 Gas purifying system |
| 05/14/2002 | US6387269 Membrane for separating fluids |
| 05/14/2002 | US6387241 Method of sterilization using ozone |
| 05/14/2002 | US6387160 Adsorbent compound for use in insulated glass windows |
| 05/14/2002 | US6387159 Claus feed gas hydrocarbon removal |
| 05/14/2002 | US6387158 Without baking; flowing a gas through pipes at a pressure between the gases viscosity point and its water saturated vapor pressure; gas is evacuated at normal flow temperature |
| 05/14/2002 | US6387157 Circulation; using separation ebrane |
| 05/14/2002 | US6386521 Basement water injection/evaporation system |
| 05/14/2002 | US6385978 Method and apparatus for drying compressed air |
| 05/14/2002 | US6385966 Method for regenerating an NOx storage catalyst |
| 05/14/2002 | CA2264418C Removal of carbon dioxide from gas streams |
| 05/14/2002 | CA2114337C Process for the filtration of suspensions containing sulfur |
| 05/14/2002 | CA2064368C An internal combustion engine filter or catalyst body |
| 05/10/2002 | WO2002037590A1 Energy efficient gas separation for fuel cells |
| 05/10/2002 | WO2002037033A1 Humidifier |
| 05/10/2002 | WO2002037025A1 Burner and method for partly oxidising a gas stream comprising hydrogen sulphide and ammonia |
| 05/10/2002 | WO2002036254A1 Catalyst for purifying exhaust gases |
| 05/10/2002 | WO2002036244A1 Method and apparatus for eliminating stench and volatile organic compounds from polluted air |
| 05/10/2002 | WO2002036243A2 Small-volume nox adsorber |
| 05/09/2002 | US20020055431 PtCl2 is reacted with carbon monoxide resulting in Pt(CO)2Cl2 which is sublimated to form a platinum- impregnated ZSM-5 zeolite which is then calcined |
| 05/09/2002 | US20020054846 Sodium bicarbonate and as caking inhibitor lignite coke and/or a magnesium compound containing magnesium (hydr)oxide; silica-free; pollution control of acid chlorides, dioxins, furans, sulfur oxides, nitrogen oxides |
| 05/09/2002 | US20020054845 Solid state oxygen anion and electron mediating membrane and catalytic membrane reactors containing them |
| 05/09/2002 | US20020054844 Catalytic component and storage component for nitrogen oxides; pollution control below the light-off temperature |
| 05/09/2002 | US20020054843 Three units: oxidation catalyst, particle separator, and a nitrogen oxides (NOx) adsorption catalyst; reduces hydrocarbons, carbon monoxide, NOx and particles; diesel and gasoline engines |
| 05/09/2002 | US20020054841 Purification method for an alkali metal chloride and method for producing an alkali metal hydroxide |
| 05/09/2002 | US20020053547 Contact and adsorbent granules |
| 05/09/2002 | US20020053343 State determining apparatus for exhaust gas recirculation system |
| 05/09/2002 | US20020053287 Method for entraining and mixing gas with liquids |
| 05/09/2002 | US20020053286 Total delivery oxygen concentration system |
| 05/09/2002 | US20020053285 Where alkali metal formate solution absorbs moisture from natural gas through a membrane; regenerating solution |
| 05/09/2002 | US20020053284 Made by pyrolysis of polymers; capable of separating carbon dioxide from mixtures with methane |
| 05/09/2002 | US20020053203 Adsorbent state determining apparatus |
| 05/09/2002 | US20020053202 Exhaust gas purifying system and method |
| 05/09/2002 | US20020053201 Exhaust emission control device of internal combustion engine |