| 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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| 11/03/2004 | EP1471975A2 Method and installation for producing breathable air |
| 11/03/2004 | EP1471948A1 Removal or reduction of malodorous substances in the air |
| 11/03/2004 | EP1471947A1 Chemical compositions and methods of absorbing moisture and odour from a chamber |
| 11/03/2004 | EP1303685B1 Exhaust gas purification device |
| 11/03/2004 | EP1286916B1 Production of activated carbon exhibiting an elevated catalytic activity |
| 11/03/2004 | EP1189863B1 Ethylene recovery system |
| 11/03/2004 | EP1183092A4 Catalytic membrane reactor materials for the separation of oxygen from air |
| 11/03/2004 | EP1029579B1 Wet type flue gas desulfurization equipment |
| 11/03/2004 | EP0863789B1 REGENERATIVE CATALYTIC OXIDATION process |
| 11/03/2004 | CN2652492Y Waste gas purifier by water solving method |
| 11/03/2004 | CN2652491Y Filter silencer for fume exhaust fan |
| 11/03/2004 | CN2652399Y Automobile optical catalyst device |
| 11/03/2004 | CN1543686A Zero/low discharge and co-production type energy supply station |
| 11/03/2004 | CN1543559A Cryogenic condensation system |
| 11/03/2004 | CN1543515A Application of dense plasmas generated at atmospheric pressure for treating gas effluents |
| 11/03/2004 | CN1543002A Fuel cell and air purifying apparatus with fuel cell |
| 11/03/2004 | CN1542264A Exhaust gas purifying apparatus and method for internal combustion engine |
| 11/03/2004 | CN1541773A Dust-collecting filter of air purifier |
| 11/03/2004 | CN1541772A Electric dust-collecting element of air purifier |
| 11/03/2004 | CN1541759A Desiccant preparation and production method thereof |
| 11/03/2004 | CN1541756A Calcium spraying catalytic desulfurization method in pulverized coal fired boiler and device thereof |
| 11/03/2004 | CN1541755A Novel washing and desulfurizing technique with internally-arranged spray tower in chimney |
| 11/03/2004 | CN1541749A Wet method-electrostatic two-stage dust collecting desulfurizing method and device |
| 11/03/2004 | CN1173782C Monolithic catalysts and related process for mfg. |
| 11/03/2004 | CN1173769C Exhaust gas purifying catalyst and its preparation |
| 11/03/2004 | CN1173768C Method for treating waste liquid |
| 11/03/2004 | CN1173767C Normal pressure microwave discharging reactor and application in removing oxynitride compound thereof |
| 11/03/2004 | CN1173766C Process for defluorinating anhydrous hydrogen chloride |
| 11/02/2004 | US6812189 Attrition resistant, zinc titanate-containing, reduced sulfur sorbents |
| 11/02/2004 | US6812029 Evaluating nitrogen oxide (nox) eliminating catalyst first and subsequently elevating a temperature of the nox eliminating catalyst or increasing an amount of hydrocarbon in response to maintain catalytic efficiency |
| 11/02/2004 | US6811914 Electrochemical solid-state device comprising b-site rich lanthanum calcium manganite |
| 11/02/2004 | US6811868 Ceramic body and ceramic catalyst body |
| 11/02/2004 | US6811602 Process for preparing silicate porous product |
| 11/02/2004 | US6811590 Gas concentrating method and apparatus using pressure swing adsorption |
| 11/02/2004 | US6811071 Method for the manufacture of a metal structure and device for wetting a metal structure with an adhesive |
| 11/02/2004 | US6810899 Gas separation membrane on support; palladium alloy |
| 11/02/2004 | US6810835 Flat frame plates disposed parallel to each other to define a plurality of zigzag passages between the frame plates, side walls facing the upstream side of the passages defining entrance openings of droplet collecting pockets |
| 11/02/2004 | US6810821 Hazardous waste treatment method and apparatus |
| 11/02/2004 | US6810662 Method and apparatus for purifying a gas flow |
| 11/02/2004 | US6810661 Method and system for freeze protecting liquid NOx reductants for vehicle application |
| 11/02/2004 | US6810660 System for minimizing the impact of poisoning of automotive exhaust aftertreatment systems |
| 11/02/2004 | US6810658 Exhaust-gas purification installation and exhaust-gas purification method for purifying an exhaust gas from an internal combustion engine |
| 11/02/2004 | US6810657 Method and device for treating exhaust gases produced by an internal combustion engine |
| 11/02/2004 | CA2456755A1 Process and catalyst for treatment of synthesis gas |
| 11/02/2004 | CA2427443A1 Air disinfection system |
| 11/02/2004 | CA2331034C Pressure swing adsorption process with multiple beds on purge and/or with ten beds and four pressure equalization steps |
| 11/02/2004 | CA2141603C Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
| 10/28/2004 | WO2004092553A1 Porous sheet and substrate having porous sheet(s) for treating exhaust gases of combustion engines |
| 10/28/2004 | WO2004092425A1 Method for processing sulfide minerals and concentrates |
| 10/28/2004 | WO2004091782A1 Catalyst comprising aluminium oxide for treating effluent gases |
| 10/28/2004 | WO2004091774A1 Material and apparatus for adsorbing and desorbing carbon dioxide |
| 10/28/2004 | WO2004091765A2 Catalyst support |
| 10/28/2004 | WO2004091754A1 A process for the removal of h2s and mercaptans from a gas stream |
| 10/28/2004 | WO2004091753A1 Method of removing harmful substances and filter for removing harmful substances |
| 10/28/2004 | WO2004091752A1 Condension process and condenser |
| 10/28/2004 | WO2004085314A3 Composition based on cerium and zirconium oxides having a specific surface which is stable between 900 °c and 1000 °c, method for the production and use thereof as a catalyst |
| 10/28/2004 | WO2004073969A3 Ceramic honeycomb body and process for manufacture |
| 10/28/2004 | WO2004067133B1 Cyclic membrane separation process |
| 10/28/2004 | WO2004002609A3 Processes and apparatus using solid perm-selective membranes in multiple groups for simultaneous recovery of specified products from a fluid mixture |
| 10/28/2004 | US20040215045 feed stream containing olefins and praffins is humidified, demisted, treated to remove sulfur compounds and passed to a cell having a chitosan membrane containing chelated silver or cuprous compounds and these metal compounds are capable of forming complex with olefin |
| 10/28/2004 | US20040213900 Photocatalyst producing method, photocatalyst, and gas purifier |
| 10/28/2004 | US20040213722 Method and apparatus for wet type flue-gas desulfurization |
| 10/28/2004 | US20040213721 Prevents formation of oxyfluoride (OF2); controls greenhouse gas pollution; for abating undesired component(s) from a gas stream containing same, such as halocompounds, acid gases, silanes, ammonia, etc., by scrubbing of the effluent gas stream with an aqueous scrubbing medium |
| 10/28/2004 | US20040213720 Method for treating flue gases containing ammonia |
| 10/28/2004 | US20040213712 Gas generation system having a reformer and a device for the selective separation of hydrogen from the reformate gas stream |
| 10/28/2004 | US20040213707 Catalyst for an internal combustion engine |
| 10/28/2004 | US20040213705 Carbonation of metal silicates for long-term CO2 sequestration |
| 10/28/2004 | US20040211728 Method for removing noxious substances and filter for removing harmful substances |
| 10/28/2004 | US20040211726 Membrane-assisted fluid separation apparatus and method |
| 10/28/2004 | US20040211679 Electrochemical hydrogen compressor |
| 10/28/2004 | US20040211414 Oxygen concentration system having selectable beds |
| 10/28/2004 | US20040211320 Integration of a metallic substrate into a plastic induction system |
| 10/28/2004 | US20040211319 Facilitated transport membranes comprising a porous support and a solid polymer electrolyte consisting of a transition metal salt and a polymer having phthalic structure |
| 10/28/2004 | US20040211317 Inducing air |
| 10/28/2004 | US20040211315 Moisture control apparatus |
| 10/28/2004 | US20040211172 Muffler and catalytic converter devices |
| 10/28/2004 | US20040211170 Anomaly judgment apparatus for secondary air supply system |
| 10/28/2004 | US20040211164 Honeycomb structural body and method of manufacturing the structural body |
| 10/28/2004 | DE10316784A1 Process for reducing nitrogen oxides/carbon monoxide in exhaust gases, especially produced from cement ovens, comprises adjusting the nitrogen oxides/carbon monoxide ratio and increasing the carbon monoxide amount in the exhaust gas |
| 10/28/2004 | DE10316466A1 Kühlung und Reinigung von Gasströmen Cooling and cleaning of gas streams |
| 10/28/2004 | DE10316184A1 Verfahren zur Dosierung eines Reagenzmittels in den Abgasstrom einer Brennkraftmaschine Method for dosing a reagent into the exhaust stream of an internal combustion engine |
| 10/28/2004 | DE10315698A1 Gas generating system for producing a hydrogen-containing gas from hydrocarbons and/or hydrocarbon derivatives for operating a fuel cell has a feedback by which a part of a residual gas is returned |
| 10/28/2004 | DE10315593A1 Abgasnachbehandlungseinrichtung und -verfahren Exhaust treatment device and method |
| 10/28/2004 | DE10066001B4 Anordnung zur Vergleichmäßigung der Geschwindigkeitsverteilung eines Fluidstroms, insbesondere eines Gasstroms, in einem Strömungskanal Arrangement for equalizing the speed distribution of a fluid stream, in particular a gas flow, in a flow channel |
| 10/27/2004 | EP1471219A1 Exhaust gas cleaning system and SOx poisoning recovery method for internal combustion engine |
| 10/27/2004 | EP1470862A2 Honeycomb filter, its manufacturing, exhaust gas purification system using it |
| 10/27/2004 | EP1470859A1 Catalyst support based on an Al-Ti composite oxide, process for producing the same, catalyst and process for purifying exhaust gases |
| 10/27/2004 | EP1470852A1 Honeycomb structure and method of manufacturing the same |
| 10/27/2004 | EP1470851A1 Method for removing nitrogen dioxide in the exhaust gas from a stationary combustion source |
| 10/27/2004 | EP1469935A2 Polyolefin membrane with an integrally asymmetric structure and method for the production thereof |
| 10/27/2004 | EP1469933A1 Device for absorbing water vapour |
| 10/27/2004 | EP1469932A1 Device for absorbing water vapour |
| 10/27/2004 | EP1469931A1 Process for removing sulfur compounds by absorption |
| 10/27/2004 | EP1469930A1 Filter for cooking apparatus or utensil |
| 10/27/2004 | EP1469892A1 Chemical compositions and methods for absorbing water vapour and combating malodour within a cavity |
| 10/27/2004 | EP1355725B1 Method and catalyst for the simultaneous removal of nitrogen oxides and laughing gas from a gas stream |
| 10/27/2004 | EP1311335B1 Method and device for separating or enriching concentration in a mixture of gaseous or liquid constituents |
| 10/27/2004 | EP1272259B1 Method of forming hydrogen-selective metal membrane modules |
| 10/27/2004 | EP1122228B1 Gas-phase dehydration reaction process |
| 10/27/2004 | EP1062036A4 Sulfide catalysts for reducing so 2? to elemental sulfur |