| 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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| 06/21/2000 | CN1053597C Solid capture agent of mercury |
| 06/21/2000 | CN1053596C Method for treating waste gas containing arsenic and arsenic compound |
| 06/20/2000 | US6077808 Palladium oxide particles dispersed around and supported on said ceria particles; and a ceria coating on a surface of said ceria particles to cover said palladium oxide particles; automobile engines; improved oxygen storage |
| 06/20/2000 | US6077600 Ceramic catalytic converter |
| 06/20/2000 | US6077495 Generating chlorine dioxide gas by combining metal chlorite(s) with metakaolin microspheres and exposing the mixture to an atmosphere containing water vapor; do not react in the absence of water vapor, storage stability |
| 06/20/2000 | US6077493 Catalyst comprising palladium fixed on at least one metal oxide; bringing a nitrogen oxide-containing gas into contact with the above-mentioned catalyst in the presence of hydrogen. |
| 06/20/2000 | US6077492 Photocatalyst, process for producing the photocatalyst, and photocatalytic reaction method |
| 06/20/2000 | US6077491 Methods for the production of ammonia from urea and/or biuret, and uses for NOx and/or particulate matter removal |
| 06/20/2000 | US6077489 Oxidation catalyst for internal combustion engines |
| 06/20/2000 | US6077488 Method and apparatus for producing clean dry air having application to air separation |
| 06/20/2000 | US6077487 Process and apparatus of removing metal carbonyls and moisture from a gas |
| 06/20/2000 | US6077483 Coated catalytic converter substrates and mounts |
| 06/20/2000 | US6077482 Method for treating organohalogen compounds with catalyst |
| 06/20/2000 | US6077457 Cr, w, mn, fe, co, or ni complex comprising at least one molecular nitrogen ligand; and at least one other monodentate or multidentate ligand |
| 06/20/2000 | US6077436 Device for altering a feed stock and method for using same |
| 06/20/2000 | US6077426 Filter filled with loose bulk material |
| 06/20/2000 | US6077419 Pillared clays composited with group viii metals or group vi metals may be used for the hydroconversion of fischer tropsch waxes to distillate materials useful as fuels |
| 06/20/2000 | US6077335 Filter and method for making a filter |
| 06/20/2000 | US6077332 Magnetic trap for removal of iron from amines |
| 06/20/2000 | US6077331 Adsorption of non-product gas onto three or more adsorbent beds, delivering product gas, regenerating bed, discharging desorbed non-product gas whereby regeneration cycles are controlled in response to detected product concentration |
| 06/20/2000 | US6077330 Controller that regenerates a drying agent filled within a dehumidifier unit of a compressed air system in response to the degree of wetting of drying agent as estimated by controller |
| 06/20/2000 | US6077328 Process for reducing the dioxin and furan content in waste gases from furnaces, and use of the filter dusts produced thereby |
| 06/20/2000 | US6076476 Method of and apparatus for preventing emission of dioxins in incineration facility |
| 06/20/2000 | US6076369 Evaporative concentration apparatus for waste water |
| 06/20/2000 | US6076272 Single plate compaction and seal design for a compressed air dryer |
| 06/20/2000 | CA2220595C Regeneration of hydrogen sulfide scavengers |
| 06/20/2000 | CA2175294C Liquid spray air purification and controlled humidification apparatus with air quality monitor and controller |
| 06/15/2000 | WO2000034632A1 Improvements in particulate control |
| 06/15/2000 | WO2000034407A1 Powdery chelate-trapping material, process for producing the same, and method of trapping ion with the trapping material |
| 06/15/2000 | WO2000034202A1 Fabrication of ultra low thermal expansion cordierite structures |
| 06/15/2000 | WO2000033949A1 Membrane for separation of xenon from oxygen and nitrogen and method of using same |
| 06/15/2000 | WO2000033948A1 Membrane comprising a porous support and a molecular sieve layer and method for preparing same |
| 06/15/2000 | WO2000033947A1 Method for reducing the concentration of pcdd and pcdf in the flow of exhaust gas in a sintering plant and sintering plant for carrying out said method |
| 06/15/2000 | WO2000033946A1 Amorphous non-intumescent inorganic fiber mat for low temperature exhaust gas treatment devices |
| 06/15/2000 | WO2000033945A1 Method and device for cleaning effluents |
| 06/15/2000 | WO2000033944A1 Gas dryer |
| 06/15/2000 | WO2000033943A1 Gas dryer |
| 06/15/2000 | WO2000033942A1 Method for recovering co¿2? |
| 06/15/2000 | WO2000033941A1 Method for separating hydrocarbons from a gas stream using a membrane separation device |
| 06/15/2000 | WO2000033940A1 Air filter |
| 06/15/2000 | WO2000033939A1 Collecting processing and disposing of car and industrial toxic emissions |
| 06/15/2000 | WO2000009848A3 Dispensable non-adhesive desiccated matrix system for insulating glass units |
| 06/15/2000 | DE19857590A1 Keramische Flachmembran und Verfahren zu ihrer Herstellung Flat ceramic membrane and processes for their preparation |
| 06/15/2000 | DE19857190A1 Material zur Reduzierung oder Beseitigung von unerwünschten Beimengungen in Gasen, Verfahren zu dessen Herstellung und Anwendung Material for reducing or eliminating undesirable constituents in gases, process for its preparation and application |
| 06/15/2000 | DE19856560A1 Purification of incinerator stack gases with activated carbon adsorption prior to the acid removal stage |
| 06/14/2000 | EP1008732A1 Apparatus and method for after-treatment of exhaust gases of a lean burn internal combustion engine |
| 06/14/2000 | EP1008576A1 Method for drying difluoromethane |
| 06/14/2000 | EP1008565A1 Process for the preparation of thread, string, rope or woven fabric with photocatalyst for decomposing organic compounds |
| 06/14/2000 | EP1008379A1 Process and apparatus for removing nitrogen oxides from an exhaust passage of an internal comustion engine |
| 06/14/2000 | EP1008378A1 Exhaust gas purifying catalyst and method for its production |
| 06/14/2000 | EP1008377A1 Alkaline sorbent injection for mercury control |
| 06/14/2000 | EP1008376A1 Material for reducing or removing of unwanted impurities from a gas, process for the production and use thereof |
| 06/14/2000 | EP1007887A1 A device for improving the quality of indoor air |
| 06/14/2000 | EP1007827A1 Exhaust emission control system for denoxing exhaust gases from combustion units and method therefor |
| 06/14/2000 | EP1007826A1 Improvements relating to catalysts |
| 06/14/2000 | EP1007746A1 Method for operating a sintering plant, and sintering plant |
| 06/14/2000 | EP1007473A1 Method for performing catalytic or non-catalytic processes, with enriched oxygen as one of the reactants |
| 06/14/2000 | EP1007210A1 Method and device for treating ceramic components |
| 06/14/2000 | EP1007205A1 Perovskite-type metal oxide compounds |
| 06/14/2000 | EP1007193A1 Hydrophobic permeable composite, method for producing said composite and use of the same |
| 06/14/2000 | EP1007191A1 Static mixer |
| 06/14/2000 | EP1007190A1 Catalytic converter for a lean burn internal combustion engine |
| 06/14/2000 | EP1007189A1 Process for the preparation of fertilizers and sulfur compounds |
| 06/14/2000 | EP1007188A1 Membranes comprising aminoalcohols in hydrophilic polymers |
| 06/14/2000 | EP1007187A1 High frequency rotary pressure swing adsorption apparatus |
| 06/14/2000 | EP1007177A1 Liquid distributor |
| 06/14/2000 | EP0784741B1 Method and apparatus for heating a catalytic converter to reduce emissions |
| 06/14/2000 | EP0655013B1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
| 06/14/2000 | CN2382460Y Spray drying devulcanizer |
| 06/14/2000 | CN1256645A Use of aerogels as adsorption agents |
| 06/14/2000 | CN1256641A Method and device for reducing nitrogen oxides in SCR catalyst |
| 06/14/2000 | CN1256640A Method for removing nitrogen oxides using natural manganese ores |
| 06/14/2000 | CN1256172A Photochemical catalyst complex and its prepn. |
| 06/14/2000 | CN1256167A Counter-currenttower with liquid distributor |
| 06/14/2000 | CN1256166A Liquid distributor for packed tower |
| 06/14/2000 | CN1053457C Method and apparatus for eliminating of charging gas that form during coal charging of coke oven batteries |
| 06/13/2000 | US6074984 SOx Additive systems based upon use of multiple particle species |
| 06/13/2000 | US6074981 Photocatalyst and process for the preparation thereof |
| 06/13/2000 | US6074976 Process and catalyst for reducing NOx in exhaust combustion gases |
| 06/13/2000 | US6074974 Manufacturing method of granulated complex molecular sieve composition having multi-functions |
| 06/13/2000 | US6074973 Hydrocarbon trap and particle refractory inorganic oxide support |
| 06/13/2000 | US6074748 Molded product having photocatalytic function |
| 06/13/2000 | US6074621 Compression, heating, catalytic oxidation, adsorption |
| 06/13/2000 | US6074620 Method for the cleaning of exhaust gas and prevention of explosions therein |
| 06/13/2000 | US6074619 Process for selective reduction of NOx in exhaust gas |
| 06/13/2000 | US6074618 Device for removing hydrogen from a gas mixture and its use |
| 06/13/2000 | US6074462 Air dryer reservoir module components |
| 06/13/2000 | US6074460 Analysis of volatile organic compounds in water and air using attapulgite clays |
| 06/13/2000 | US6074459 Purification using an adsorption train of four beds; dehydration, desulfurization |
| 06/13/2000 | CA2181328C Process for the production of high purity carbon dioxide |
| 06/13/2000 | CA2173518C Linear choke shuttle/orifice check valve mechanism for a twin tower air dryer |
| 06/13/2000 | CA2040633C Disposable carbon dioxide absorber |
| 06/13/2000 | CA2002478C Process and apparatus for the dry removal of polluting material from gas streams |
| 06/11/2000 | WO2000035564A1 Exhaust emission control system for internal combustion engines, exhaust emission control method and exhaust emission control catalyst |
| 06/11/2000 | CA2255287A1 Carbon dioxide mitigation and utilization process via chemical fixation to valuable commodities |
| 06/08/2000 | WO2000032990A1 Exhaust gas treating device |
| 06/08/2000 | WO2000032913A1 Secondary treatment device for the exhaust gases of an internal combustion engine |
| 06/08/2000 | WO2000032512A1 Integrated palladium-based micromembranes for hydrogen separation and hydrogenation/dehydrogenation reactions |
| 06/08/2000 | WO2000032302A1 Device for introducing a reducing agent into a section of the exhaust pipe of an internal combustion engine |
| 06/08/2000 | WO2000032301A1 Device for the adsorption of ethylene in low concentrations |