| 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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| 04/16/2002 | US6372944 Liquid withdrawing tray for purification column, purification column, and method for purification |
| 04/16/2002 | US6372688 Composite catalyst support of alkaline earth metal aluminate spinel and alkaline earth metal oxide; uniformly dispersed platinum clusters |
| 04/16/2002 | US6372686 Perovskite-type metal oxide compounds and methods of making and using thereof |
| 04/16/2002 | US6372289 Forming honeycomb substrate comprising plurality of channels, covering channel walls with carbon precursor, providing solid heat-activated carbon-activating material within channels, heating to release oxidizing substance, activating carbon |
| 04/16/2002 | US6372193 Process for oxidizing the H2S contained at low concentration in a gas directly to sulphur by catalytic means and in the vapour pause |
| 04/16/2002 | US6372188 Gas processing reactors |
| 04/16/2002 | US6372187 Alkaline sorbent injection for mercury control |
| 04/16/2002 | US6372131 Closed cover waste treatment system with ionic oxygen generator |
| 04/16/2002 | US6372026 Apparatus for producing oxygen enhanced gas from air |
| 04/16/2002 | US6372023 Method of separating and recovering carbon dioxide from combustion exhausted gas and apparatus therefor |
| 04/16/2002 | US6372021 Extractive removal of methanol from cumene-to-phenol process vent gas |
| 04/16/2002 | US6372020 Oxygen enriching membrane |
| 04/16/2002 | US6372018 Stripping contaminants from activated carbon adsorbent using inert gas and directing the effluent to an oxidizer; reactivation of stripped adsorbent |
| 04/16/2002 | US6371745 Pivoting vane rotary compressor |
| 04/16/2002 | US6370887 Compressed air dehumidifier and a dehumidification device and a modified system for these |
| 04/16/2002 | US6370870 Exhaust gas purifying device |
| 04/16/2002 | CA2121508C A method of improving the hg-removing capability of a flue gas cleaning process |
| 04/16/2002 | CA2119639C Purification process of a gas comprising nitrous oxide and sulphur dioxide |
| 04/16/2002 | CA2058864C Air-oil flooded screw compressor system |
| 04/12/2002 | CA2358637A1 Structured multi-purpose packings and their use |
| 04/11/2002 | WO2002029338A1 Self-retaining adsorbent unit |
| 04/11/2002 | WO2002029220A1 A device for recovering heat energy |
| 04/11/2002 | WO2002029219A1 Device for producing a reducing agent/exhaust gas mixture and exhaust gas purification system |
| 04/11/2002 | WO2002028775A1 Macroporous foams comprising microporous zeolite or zeotype material and preparation thereof by using polymeric templates having sponge structure |
| 04/11/2002 | WO2002028742A1 Apparatus for moisture absorption |
| 04/11/2002 | WO2002028515A1 Exhaust gas purification system |
| 04/11/2002 | WO2002028514A1 Method for inhibiting dioxin formation in fumes produced during iron ore sintering |
| 04/11/2002 | WO2002028513A2 Systems and processes for removal of pollutants from a gas stream |
| 04/11/2002 | WO2002028512A1 Method for reducing the sox emission from a plant for manufacturing cement clinker and such plant |
| 04/11/2002 | WO2002028510A2 Lagoon covers providing multi-stage waste treatment |
| 04/11/2002 | WO2002012796A3 Method and apparatus for improving the air quality within a building or enclosed space |
| 04/11/2002 | WO2002009847A3 Regenerable air cleaning device |
| 04/11/2002 | WO2000068139A9 Composite materials for membrane reactors |
| 04/11/2002 | WO2000026162A9 Treatment of fluids with electromagnetic radiation |
| 04/11/2002 | US20020042344 Ceramic catalyst body and ceramic carrier |
| 04/11/2002 | US20020042342 Oxygen storage material based on cerium oxide, a process for its preparation and its use |
| 04/11/2002 | US20020042341 Perovskite-type metal oxide compounds and methods of making and using thereof |
| 04/11/2002 | US20020042211 Decomposition of of organosilicon compound; heat treatment |
| 04/11/2002 | US20020041844 Catalytic oxidation of hydrocarbons |
| 04/11/2002 | US20020041842 From gas streams; dehydrosulfurization; monolithic substrates |
| 04/11/2002 | US20020041841 Catalyst filter, method for producing the same and method for treating exhaust gas with the same |
| 04/11/2002 | US20020041837 Hydrogen-selective metal membrane modules and method of forming the same |
| 04/11/2002 | US20020041835 Purification of exhaust gases |
| 04/11/2002 | US20020041040 Counterflow column with a liquid distributor |
| 04/11/2002 | US20020040641 System and method for processing residual gas |
| 04/11/2002 | US20020040640 Air pollution control |
| 04/11/2002 | US20020040577 Air-fuel ratio control apparatus of internal combustion engine |
| 04/11/2002 | US20020040549 Fuel cells |
| 04/11/2002 | DE10148620A1 Wasserstoffversorgungsvorrichtung Hydrogen supply device |
| 04/11/2002 | DE10144331A1 System und Verfahren zum Reinigen eines von einer Brennstoffrefomiervorrichtung abgegebenen Abgases System and method for purifying an exhaust gas emitted from a Brennstoffrefomiervorrichtung |
| 04/11/2002 | DE10134313A1 Reducing solvent emission during operation of air scrubbers for cleaning waste gas in lacquering machines comprises reducing solvent vapors from a lacquering system |
| 04/11/2002 | DE10049177A1 Process for continuously electrochemically removing nitrogen comprises passing a gas containing nitrogen along an absorber body wetted with a liquid alkaline electrolyte |
| 04/11/2002 | DE10049119A1 Exhaust gas purification device used in an I.C. engine comprises a nitrogen oxide storage catalyst connected to a sulfur trap having a sulfur storage capacity as large as the sulfur amount produced |
| 04/11/2002 | DE10049012A1 Removing silane from exhaust gases or liquids to reduce risk of spontaneous combustion and to give useful products by reaction with liquid silicon tetrachloride using a trialkyl- or aryldialkyl-amine catalyst |
| 04/11/2002 | DE10048246A1 Device to generate reducing agent/air mixture for IC engines has pump with pump housing connected to mixing chamber body, which forms cover for pump housing |
| 04/11/2002 | DE10047997A1 Flow-through apparatus useful for e.g. water treatment comprises lumps of adsorbent/reactant comprising iron oxide and/or oxyhydroxide bound with metal oxides and/or (oxy)hydroxides |
| 04/11/2002 | DE10047996A1 Flow-through apparatus useful for e.g. water treatment comprises lumps of adsorbent/reactant comprising iron oxide and/or oxyhydroxide embedded in iron hydroxide matrix |
| 04/11/2002 | CA2424515A1 Lagoon covers providing multi-stage waste treatment |
| 04/11/2002 | CA2424120A1 Systems and processes for removal of pollutants from a gas stream |
| 04/10/2002 | EP1195507A2 Air-fuel ratio control apparatus of internal combustion engine |
| 04/10/2002 | EP1195353A1 Method and apparatus for production of hydrogen by gasification of combusible material |
| 04/10/2002 | EP1195198A2 Catalyst filter, method for producing the same and method for treating exhaust gas with the same |
| 04/10/2002 | EP1195195A1 Adsorbent for gaseous chemical substance and apparatus for adsorbing and removing using the same |
| 04/10/2002 | EP1195188A1 Chemical filter |
| 04/10/2002 | EP1195185A1 Method and device for treating waste liquid, solvent separator, and cleaning device using thereof |
| 04/10/2002 | EP1194682A1 Device for dosing a reducing agent |
| 04/10/2002 | EP1194508A2 Electric power generating system by gasification |
| 04/10/2002 | EP1194215A1 Exhaust gas purifying catalyst and method of producing same |
| 04/10/2002 | EP1194214A1 Method and device for introducing a gaseous reducing agent of a nitrogen oxide into a gas mixture |
| 04/10/2002 | EP1194213A1 Vacuum-insulated exhaust treatment device with phase change materials and thermal management systems |
| 04/10/2002 | EP1194212A1 Process for the reclamation of spent alkanolamine solution |
| 04/10/2002 | EP1194211A1 Method for introducing hydrogen into layered nanostructures |
| 04/10/2002 | EP1194208A1 Filter material used in gas filtration and having biocidal properties |
| 04/10/2002 | EP1194175A1 Method for treating a gaseous medium containing contaminating particles |
| 04/10/2002 | EP1121519B1 METHOD AND DEVICE FOR DESULFURIZING A NOx ACCUMULATING CATALYST SYSTEM |
| 04/10/2002 | EP0986514B1 Acid gas solvent filtration system |
| 04/10/2002 | EP0961871B1 Control method and device for a combustion system, catalytic purification of exhaust gas from a combustion system, and the combustion system |
| 04/10/2002 | EP0857082B1 A manufacturing method of granulated complex molecular sieve composition having multifunctions |
| 04/10/2002 | CN2485028Y Dewatering dust collector matched with wet desulfuration |
| 04/10/2002 | CN1344350A Catalyst body with reduced flow side wall thickness |
| 04/10/2002 | CN1344349A Method and device for producing metallic honeycomb body |
| 04/10/2002 | CN1344277A Method for isolating olefins from polyolefin plants |
| 04/10/2002 | CN1344236A Method and appts. for producing fertilizer from flue gas contg. sulfur oxides |
| 04/10/2002 | CN1344178A Process for decomposition of nitrous oxide |
| 04/10/2002 | CN1344177A System for neutralising poluting gases by pyrolysis |
| 04/10/2002 | CN1344176A Method and device at single chamber air drier |
| 04/10/2002 | CN1082494C Method for treating residual coking ammonia water or all coking waste water with flue gas |
| 04/10/2002 | CN1082385C Spinel based catalysts for reducing emissions of oxides of nitrogen |
| 04/10/2002 | CN1082384C Catalysts for treating gas contg. sulphur compounds and use thereof |
| 04/09/2002 | US6369148 Oxygen-scavenging compositions and articles |
| 04/09/2002 | US6368726 Honeycomb body configuration |
| 04/09/2002 | US6368566 Using catalyst; heat exchanging |
| 04/09/2002 | US6368491 Cycling power to modules and controlling output flow to prevent premature aging of system |
| 04/09/2002 | US6368488 Modified platinum substrates for oxygen reduction |
| 04/09/2002 | US6368385 Cooling, drying, absorption |
| 04/09/2002 | US6368384 For drying natural gas transmission lines |
| 04/09/2002 | US6368383 Controlling temperature and oxygen pressure; electrolytic cells |
| 04/09/2002 | US6368382 Epoxysilicone coated membranes |
| 04/09/2002 | US6367412 Porous ceramic liner for a plasma source |
| 04/09/2002 | US6367320 Process for monitoring operation of an exhaust gas treatment system |