| 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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| 01/09/2001 | US6171569 Method of eliminating malodors from gases |
| 01/09/2001 | US6171568 Method for the purification of exhaust air and/or effluents by contact with moulded bodies containing dealuminated zeolite Y |
| 01/09/2001 | US6171567 Process for the purification of a gas containing hydrogen chloride |
| 01/09/2001 | US6171566 Selective catalytic reduction for the removal of nitrogen oxides and catalyst body thereof |
| 01/09/2001 | US6171565 Relates to the cycling of the normalized air/fuel ratio lambda-value of the exhaust gas exiting the engine |
| 01/09/2001 | US6171557 System for exhaust gas purification |
| 01/09/2001 | US6171556 Treating an engine exhaust gas stream containing pollutants including unburned hydrocarbons. |
| 01/09/2001 | US6171377 Regenerative compressed air/gas dryer |
| 01/09/2001 | US6171375 Vacuum cleaner exhaust filter with ion generation stage |
| 01/09/2001 | US6171373 Adsorptive monolith including activated carbon, method for making said monolith, and method for adsorbing chemical agents from fluid streams |
| 01/09/2001 | US6171372 Nitrogen dioxide absorbent |
| 01/09/2001 | US6171371 Process and unit for producing oxygen by adsorption with a short cycle |
| 01/09/2001 | US6171370 Comprises binder and a crystalline low-silica faujasite type zeolite with a silicon oxide/aluminum oxide molar ratio of 1.9 to 2.1, wherein average pore diameter of macropores is equal to or larger than mean free path of absorbable component |
| 01/09/2001 | US6171368 Apparatus and an associated method of operation for removal of gaseous contaminants, particularly oxygen, from closed containers |
| 01/09/2001 | US6171366 Control systems for operating gas cleaning devices |
| 01/09/2001 | US6170668 Apparatus for extraction of contaminants from a gas |
| 01/09/2001 | US6170264 Hydrocarbon combustion power generation system with CO2 sequestration |
| 01/09/2001 | US6170259 Emission control system for an internal-combustion engine |
| 01/07/2001 | CA2312557A1 Two-stage hybrid biofiltration |
| 01/07/2001 | CA2277449A1 Vapour management system |
| 01/04/2001 | WO2001000977A1 Method for controlling nox storage catalyst regeneration |
| 01/04/2001 | WO2001000976A1 Method and device for desulfating a nitrogen oxide adsorber |
| 01/04/2001 | WO2001000970A2 Device for catalytic treatment of a motor vehicle engine exhaust gases |
| 01/04/2001 | WO2001000559A1 Ethylene recovery system |
| 01/04/2001 | WO2001000535A1 Method and apparatus for the removal of harmful substances from various objects or materials |
| 01/04/2001 | WO2001000316A1 Method of dissolving water-soluble gas in sea for isolation into deep sea, device therefor, laying method for device |
| 01/04/2001 | WO2001000310A2 Plasma reforming and partial oxidation of hydrocarbon fuel vapor to produce synthesis gas and/or hydrogen gas |
| 01/04/2001 | WO2001000304A1 Substrate retainer for exhaust processor |
| 01/04/2001 | WO2001000303A1 Selective catalytic reduction system for a fossil fuel-fired furnace operation |
| 01/04/2001 | WO2001000302A1 Device for cleaning flue gas |
| 01/04/2001 | WO2001000301A1 Filtering device and method for treating a polluted air stream |
| 01/04/2001 | DE19956493C1 Device for removing nitrogen oxides from I.C. engine exhaust gas comprises a flow-through measuring device that determines the amount of excess reductant arranged in the pressure relieving line |
| 01/04/2001 | DE19952091C1 Regeneration of a catalyst used for the autothermal reforming of hydrocarbons comprises reacting sulfur bound to the catalyst with water during the autothermal reforming to release it from the catalyst |
| 01/04/2001 | DE19929634A1 Gas bio filter, especially for use in removing sulfur-containing gases in sewerage systems, has carrier containing highly water-absorbing hydrogel to provide moisture for the active bacterium |
| 01/04/2001 | DE19929579A1 Verfahren und Vorrichtung zum Einstellen von pH·+·-Werten und Redoxpotentialen von Flüssigkeiten mittels Elektrolyse Method and apparatus for adjusting the pH and redox potential values + · · liquids by means of electrolysis |
| 01/04/2001 | DE10026725A1 Exhaust gas purification device for internal combustion engines has auxiliary electrode arranged in current passageway with holes between discharge electrode and auxiliary electrode |
| 01/04/2001 | DE10024994A1 Catalytic converter for treatment of internal combustion engine exhaust gas comprises heat-resistant substrate with aluminum oxide coating supporting palladium and zirconium-cerium complex oxide coating supporting platinum and rhodium |
| 01/04/2001 | DE10015546A1 Gas centrifuge for removing oxygen from air has plate-like, cylindrical or round rotor, hollow shaft, annular gap and flow channels |
| 01/03/2001 | EP1065741A2 Method for driving a fuel cell vehicle and fuel cell vehicle |
| 01/03/2001 | EP1065459A2 PFC Recovery using condensation |
| 01/03/2001 | EP1065352A2 Particulate trap for diesel engine |
| 01/03/2001 | EP1065326A2 A de-humidification system of underground storage facilities and a method for de-humidification thereby |
| 01/03/2001 | EP1065222A1 Moisture-absorbing and desorbing polymer and compositions derived therefrom |
| 01/03/2001 | EP1065170A1 Process and apparatus for electrolytically adjusting the ph and the redox-potential of fluids |
| 01/03/2001 | EP1065168A1 Ammonia purification method |
| 01/03/2001 | EP1064999A1 Photocatalyst powder for environmental purification, polymer composition containing the powder and molded article thereof, and processes for producing these |
| 01/03/2001 | EP1064998A1 Catalyst for purifying exhaust gas, process for producing the same, and method for purifying exhaust gas |
| 01/03/2001 | EP1064995A2 Nitrogen adsorption with a divalent cation exchanged lithium x-zeolite |
| 01/03/2001 | EP1064994A2 Dehumidifying material, dehumidifying element and manufacturing method therefor |
| 01/03/2001 | EP1064985A2 Exhaust gas purifying system |
| 01/03/2001 | EP1064984A2 Exhaust gas purifier and method for purifying internal combustion engine exhaust gas |
| 01/03/2001 | EP1064983A1 Method and device for detoxifying and deodorizing sterilizing gas |
| 01/03/2001 | EP1064982A1 Method for removing metals from residual material |
| 01/03/2001 | EP1064981A1 Reduction of oxides of nitrogen in waste gas emissions |
| 01/03/2001 | EP1064980A2 Method for removing carbon dioxide from combustion exhaust gas |
| 01/03/2001 | EP1064979A1 Air filter, filter components and method for manufacture of an air filter |
| 01/03/2001 | EP1064978A1 Process for cleaning air by adsorption on barium exchanged zeolite |
| 01/03/2001 | EP1064667A1 Polymer formulations for gettering hydrogen |
| 01/03/2001 | EP1064504A1 Desiccant assisted air conditioning system |
| 01/03/2001 | EP1064454A1 Method and arrangement for control of air-fuel ratio of combustion engine |
| 01/03/2001 | EP1064081A1 Catalytic converter body |
| 01/03/2001 | EP1064080A1 Pollution control |
| 01/03/2001 | EP1064079A1 Process for the reduction of so 2? from wet lime/limestone tailgas in power plant desulfurization processes |
| 01/03/2001 | EP1064078A1 Gas processing reactors |
| 01/03/2001 | EP1064077A1 A cartridge for an air drier |
| 01/03/2001 | EP1064076A1 Installation for treating gas with adsorbent disc filter |
| 01/03/2001 | EP1029015A4 Corrosion inhibitor for alkanolamine units |
| 01/03/2001 | EP0917619B1 Catalytic converter |
| 01/03/2001 | EP0904482B1 Exhaust gas purification apparatus of an internal combustion engine and catalyst for purifying exhaust gas of an internal combustion engine |
| 01/03/2001 | EP0900121A4 Methods of selectively separating co 2 from a multicomponent gaseous stream |
| 01/03/2001 | EP0835368B1 Methods of making a catalytic converter or diesel particulate filter |
| 01/03/2001 | CN2413184Y Impact water-bath waste gas purifier |
| 01/03/2001 | CN2412659Y Wet Vortex column plate for granite desulfruizing dust remover |
| 01/03/2001 | CN2412645Y Flue-gas desulfurizing device |
| 01/03/2001 | CN2412644Y Moving bed purifying device |
| 01/03/2001 | CN2412642Y Integral wet desulfurizing dust remover |
| 01/03/2001 | CN2412640Y Wet desulfurizing dust remover |
| 01/03/2001 | CN1278455A Wet dedusting and liquid catalytic desulfurizing process and equipment for fume treatment in thermal power plant |
| 01/02/2001 | US6168770 Method of removing nitrogen oxides from a gas flow by using a combustion engine |
| 01/02/2001 | US6168769 Contaminated with carbon dioxide; contacting said fluid with sodium hydroxide, potassium hydroxide, magnesium hydroxide or combinations of two or more thereof, and silica |
| 01/02/2001 | US6168768 Production of low sulfer syngas from natural gas with C4+/C5+ hydrocarbon recovery |
| 01/02/2001 | US6168764 Method and catalyst for reducing pollutants in gases |
| 01/02/2001 | US6168763 Electrically heatable catalytic converter |
| 01/02/2001 | US6168720 Process for drying CH2F2 refrigerant utilizing zeolite |
| 01/02/2001 | US6168711 Water supply and drainage type microorganic deodorizing system |
| 01/02/2001 | US6168705 Electrochemical gas purifier |
| 01/02/2001 | US6168689 Method and apparatus for cleaning exhaust gas discharged from internal or external combustion engine by using high voltage electric field |
| 01/02/2001 | US6168681 Method of making a filter device |
| 01/02/2001 | US6168651 Filter assembly with shaped adsorbent article; and devices and methods of use |
| 01/02/2001 | US6168650 Heating is provided by conducting the raffinate from the gas extraction component to the heating chamber wherein reaction with a catalyst generates heat. |
| 01/02/2001 | US6168649 Membrane for separation of xenon from oxygen and nitrogen and method of using same |
| 01/02/2001 | US6168645 Having a safety system for cutting off gas flow to and removing impure gas from a gas purifier. |
| 01/02/2001 | US6167698 Exhaust gas purification system for a lean burn engine |
| 01/02/2001 | US6167695 Method and system for diagnosing deterioration of NOx catalyst |
| 01/02/2001 | CA2211211C Radial bed vacuum/pressure swing adsorber vessel |
| 01/02/2001 | CA2186679C The use of nitrogen from an air separation plant in carbon dioxide removal from a feed gas to a further process |
| 01/02/2001 | CA2132521C Method for sox removal by catalytic carbon |
| 12/29/2000 | CA2312609A1 Particulate trap for diesel engines |
| 12/28/2000 | WO2000079109A1 Device provided for carrying out catalytic conversion which comprises a supporting body that is connected to a casing in areas |
| 12/28/2000 | WO2000079108A1 Device for dosing a reducing agent |