| 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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| 08/08/2001 | EP1121519A1 METHOD AND DEVICE FOR DESULFURIZING A NO x? ACCUMULATING CATALYST SYSTEM |
| 08/08/2001 | EP1121513A2 Method for reducing nitrogen oxide in the exhaust gases of an internal combustion engine operated with a lean mixture |
| 08/08/2001 | EP1121190A1 Monolithic polymer composition having an activation material |
| 08/08/2001 | EP1121189A1 Method for desulfurizing gas and minimizing plume formation |
| 08/08/2001 | EP1121187A1 Fluid filtration unit |
| 08/08/2001 | EP1121179A1 Ammonia removal from fly ash |
| 08/08/2001 | EP1112175A4 Desiccant blended in a thermoplastic |
| 08/08/2001 | EP0990017B1 Method and device for drying a gas |
| 08/08/2001 | EP0902755B1 Gas separation devices |
| 08/08/2001 | CN2441543Y Purifier for smoke and dust |
| 08/08/2001 | CN2441542Y Desulfurizing dust removing purifier |
| 08/08/2001 | CN1307542A Method for preparing composite BIMEVOX electrolyte, use of said composite for separating oxygen from gas mixture |
| 08/08/2001 | CN1307541A Extrusion product based on hydrated lime |
| 08/08/2001 | CN1307528A On board inert gas generating system using multiple air-separation modules having different permeability and selectivity membranes |
| 08/08/2001 | CN1307499A Method and device for cool-drying |
| 08/08/2001 | CN1307498A Method for removing acid gas components from gases |
| 08/08/2001 | CN1307176A Double-layered pipe for catalytic purifying exhaust system and its production process |
| 08/08/2001 | CN1307175A Production process of semi-shell catalytic purifier |
| 08/08/2001 | CN1306880A Single-stage process of mixing partial material gas and permeate gas |
| 08/08/2001 | CN1306879A Multistage sweeping process |
| 08/08/2001 | CN1306878A Two-stage process with intermediate gas sweeping |
| 08/08/2001 | CN1306877A Electronically dust-collecting air purifier |
| 08/08/2001 | CN1069222C Process for removing carbon dioxide and nitrogen oxides from combustion gases |
| 08/08/2001 | CN1069221C Method for processing acid waste gas |
| 08/07/2001 | US6271509 Artificial dielectric device for heating gases with electromagnetic energy |
| 08/07/2001 | US6271319 Polymerization of propylene, withdrawal of polymer and starting materials, fluid flow and circulation |
| 08/07/2001 | US6271173 Process for producing a desulfurization sorbent |
| 08/07/2001 | US6271172 Carbon dioxide gas absorbent comprises of primary particles of lithium zirconia as matrix, and eutectic compound containing lithium carbonate and atleast one alkali metal excluding lithium and alkali earth metals, dispersed in the matrix |
| 08/07/2001 | US6271168 Composite of iron compounds and amine; catalytic exhaust system |
| 08/07/2001 | US6271023 Connecting membrane stucture; connect ends, insert membranes into housings, cover openings and embed membranes into sealing compound |
| 08/07/2001 | US6271020 Apparatus for removing sulfur compound from gas |
| 08/07/2001 | US6270731 Fermenting tank for anaerobically fermenting organic wastes, whereby methane gas is produced. the methane gas is decomposed and hydrogen gas is produced. the hydrogen gas is reacted with the co.sub.2 gas to produce carbon powder and water |
| 08/07/2001 | US6270714 Method for potting or casting inorganic hollow fiber membranes into tube sheets |
| 08/07/2001 | US6270674 Membrane module with unilaterally embedded hollow fiber membranes |
| 08/07/2001 | US6270609 Hard disk drive filter |
| 08/07/2001 | US6270558 Device for separating from a gas stream liquids and/or solid matters or gases having a different specific weight |
| 08/07/2001 | US6270557 Sequential separation of water vapor, carbon dioxide and ethylene contained in stream on a zeolite-x containing potassium, sodium, and/or calcium cations |
| 08/07/2001 | US6270556 Separating gas stream containing oxygen and nitrogen, such as air, non-cryogenically by means of variable and adjustable production output and pressure; papermaking or glassmaking industries; pressure or vacuum swing adsorption |
| 08/07/2001 | US6270546 Individually pin-supported filter units for a clean room system |
| 08/07/2001 | US6269631 Process and device for operating an internal combustion engine with less pollutant emission |
| 08/07/2001 | CA2172301C Pressure driven solid electrolyte membrane gas separation method |
| 08/02/2001 | WO2001055580A1 Intake system for an internal combustion engine with a membrane that is mainly permeable to oxygen molecules |
| 08/02/2001 | WO2001055566A1 METHOD AND DEVICE FOR DETECTING A NOx STORAGE CAPACITY OF A NOx STORAGE CATALYST |
| 08/02/2001 | WO2001055564A2 Method and device for controlling a nox storage catalyst that is arranged in an exhaust gas channel of a combustion engine |
| 08/02/2001 | WO2001054899A1 Use of a dimensionally stable iron-chrome-aluminum film |
| 08/02/2001 | WO2001054801A1 Catalyst and adsorption composition |
| 08/02/2001 | WO2001054800A1 Method for processing metalliferous secondary raw materials in a combustible composite |
| 08/02/2001 | WO2001054799A1 Method and plant for purifying fumes containing condensable pollutants |
| 08/02/2001 | WO2001054496A1 Device for protecting plants against post-harvest decay and method for making same |
| 08/02/2001 | WO2001017681A3 Catalyst for the selective oxidation of carbon monoxide and its preparation |
| 08/02/2001 | WO2001009968A8 Structures and fabrication techniques for solid state electrochemical devices |
| 08/02/2001 | US20010010804 Purifying ratio of exhaust gas can be increased effectively using the exhaust pulsation generated by an exhaust manifold |
| 08/02/2001 | US20010010156 Geothermal steam processing |
| 08/02/2001 | US20010010153 Device for eliminating particulates in exhaust gas and method for eliminating the particulates |
| 08/02/2001 | US20010010152 System for assisting the regeneration of a particle filter integrated into an exhaust line of a motor vehicle diesel engine |
| 08/02/2001 | DE19961165A1 Verfahren zur Entschwefelung eines in einem Abgaskanal einer Verbrennungskraftmaschine angeordneten NO¶x¶-Speicherkatalysators A process for the desulfurization of a arranged in an exhaust passage of an internal combustion engine NO¶x¶ storage catalyst |
| 08/02/2001 | DE19843871A1 Diagnose eines NOx-Speicherkatalysators mit nachgeschaltetem NOx-Sensor Diagnosis of an NOx storage catalytic converter with a downstream NOx sensor |
| 08/02/2001 | DE10003612A1 Verfahren und Vorrichtung zur Ermittlung einer NOx-Speicherkapazität eines NOx-Speicherkatalysators Method and apparatus for determining an NOx storage capacity of an NOx storage catalytic converter |
| 08/02/2001 | DE10003525A1 Ansaugsystem für eine Brennkraftmaschine mit einer vornehmlich für Sauerstoffmoleküle durchlässigen Membran An intake system for an internal combustion engine with a mainly for oxygen molecules permeable membrane |
| 08/02/2001 | DE10003219A1 Verfahren und Vorrichtung zur Regelung eines in einem Abgaskanal einer Verbrennungskraftmaschine angeordneten NOx-Speicherkatalysators Method and apparatus for controlling a arranged in an exhaust passage of an internal combustion engine NOx storage catalytic converter |
| 08/02/2001 | DE10002692A1 Verfahren und Vorrichtung zur Trennung von gas- und/oder dampfförmigen Medien Method and apparatus for separation of gaseous and / or vaporous media |
| 08/02/2001 | DE10001541A1 Process for purifying residual gas from nitric acid production uses iron zeolite catalyst for decomposing dinitrogen monoxide after reduction of other nitrogen oxides to specified ratio |
| 08/02/2001 | DE10001540A1 Beseitigung von Lachgas bei der Salpetersäureproduktion Elimination of nitrous oxide in nitric acid production |
| 08/02/2001 | DE10001539A1 Apparatus for decomposing dinitrogen monoxide and reducing nitrogen monoxide and nitrogen dioxide in process and exhaust gas uses iron zeolite catalyst with addition of ammonia before reduction zone |
| 08/02/2001 | CA2536631A1 Device for protecting plants against post-harvest decay and method for making same |
| 08/02/2001 | CA2396685A1 Device for protecting plants against post-harvest decay and method for making same |
| 08/01/2001 | EP1120552A1 Exhaust-gas cleaning devices for engine |
| 08/01/2001 | EP1120149A1 Process for purifying a gas by adsorption on several activated carbons |
| 08/01/2001 | EP1119519A1 Improved regeneration method for process which removes hydrogen sulfide from gas streams |
| 08/01/2001 | EP1119408A1 Method for manufacturing a sorbent, a sorbent obtained with such method, and a method for cleaning a stream of hot gas |
| 08/01/2001 | CN2440570Y High performance desulfurized dust collector |
| 08/01/2001 | CN2440569Y High performance atomizing desulfurizing dust collector |
| 08/01/2001 | CN2440568Y Smoke and dust eliminator |
| 08/01/2001 | CN2440567Y Uniformed dust collecting desulfurizer |
| 08/01/2001 | CN2440566Y Improved desulfurized dust collector |
| 08/01/2001 | CN2440563Y Multi-pipe impact desulfurizing dust collector |
| 08/01/2001 | CN1306601A Exhaust purifier of I.C. Engine |
| 08/01/2001 | CN1306455A Process and appts. for reducing nitrogen oxide content in exhaust gases by controlled addition of NH3 |
| 08/01/2001 | CN1306454A Air cleaner |
| 08/01/2001 | CN1305863A Multi-stage chemical liquid cleaner |
| 08/01/2001 | CN1305862A Scheme for treating fume and waste gas |
| 07/31/2001 | US6267941 Catalyst system for deodorization of a mixture of sulfur compounds and compounds such as aldehydes, alcohols and/or hydrocarbons |
| 07/31/2001 | US6267940 Injecting nox-nitrogen oxides reducing catalyst within flue gas stream enhancing catalyst activity of reducing catalyst using catalyst activating source to facilitate removal of nitrogen oxides from flue gas; collecting catalyst particles |
| 07/31/2001 | US6267939 Absorbent composition for purifying gases which contain acidic components |
| 07/31/2001 | US6267938 Scavengers for use in reducing sulfide impurities |
| 07/31/2001 | US6267937 Heating of a gas storage trap and in particular of a trap, mounted in exhaust system of an internal combustion engine for storing oxides of nitrogen to remove sulfur from lean nitrogen oxides trap |
| 07/31/2001 | US6267932 Durability; strength |
| 07/31/2001 | US6267864 Field assisted transformation of chemical and material compositions |
| 07/31/2001 | US6267804 Wet gas stripper |
| 07/31/2001 | US6267801 Palladium, platinum, or alloy thereof |
| 07/31/2001 | US6267358 Low pressure drop inlet for high velocity absorbers with straight tanks |
| 07/31/2001 | CA2239700C Honeycomb catalyst and manufacturing method therefor |
| 07/31/2001 | CA2232302C Method of manufacturing high purity calcium carbonate |
| 07/31/2001 | CA2205729C Packed absorption towers |
| 07/31/2001 | CA2158671C Continuous procedure for the simultaneous collection and precipitation of mercury in gases containing it |
| 07/31/2001 | CA2098300C Particle and light and heavy fluid separator |
| 07/31/2001 | CA2037860C Waste processing |
| 07/31/2001 | CA2019843C Chromium-free impregnated activated carbon for adsorption of toxic gases and/or vapors |
| 07/26/2001 | WO2001053759A1 Self-retaining adsorbent unit |
| 07/26/2001 | WO2001053753A1 Apparatus for treating exhausted heating gas |