| 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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| 03/06/2002 | EP1183089A1 Reduction of ozone in an enclosed environment |
| 03/06/2002 | EP1095120B1 Conversion process for carbonyl sulfide and hydrogen cyanide contgained in a mixed gas |
| 03/06/2002 | CN2480048Y Circular fluidized bed flue gas desulfurating purifier |
| 03/06/2002 | CN2480047Y Improved dry/wet alternative waste gas treating machine |
| 03/06/2002 | CN2480037Y Beams less padding tower with high-efficient multi-function inner piece |
| 03/06/2002 | CN1339014A Utilizing purge gas from ammonia synthesis |
| 03/06/2002 | CN1338969A Device for cleaning a fluid in the form of vapor from a circuit |
| 03/06/2002 | CN1338329A Clean exhaust system for coal-fuel boiler without chimney |
| 03/06/2002 | CN1338328A Gas-phase selective adsorption process for separating dichlorobenzene from mixture |
| 03/06/2002 | CN1080137C Method for separating gaseous pollutants from hot process gases |
| 03/06/2002 | CN1080136C Improved pressure-changing absorption method |
| 03/06/2002 | CN1080135C Pressure-changing absorption method for gas in circulating space |
| 03/05/2002 | US6352956 Powder which comprises mixture of activated coke, powdered limestone matched in grain size to activated coke, calcium hydroxide reactive with acidic components of gas medium; cleaning exhaust gases |
| 03/05/2002 | US6352955 Perovskite-type catalysts having three-way activity; used for removal of unsaturated and saturated hydrocarbons, nitrogen oxides and carbon monoxide from exhaust gases of internal combustion engines and from industrial waste gases |
| 03/05/2002 | US6352676 Destroying fluorine and/or chlorine trifluoride by reaction with iron, nickel, copper, calcium, magnesium, manganese, cobalt and/or tin metal particles; fluorination, salt formation |
| 03/05/2002 | US6352653 Fine sodium hydrogen carbonate |
| 03/05/2002 | US6352624 Electrochemical oxygen generating system |
| 03/05/2002 | US6352579 Chemical filter unit and gas purification system |
| 03/05/2002 | US6352578 Air cleaning filter, process for preparing the same, and high-level cleaner |
| 03/05/2002 | US6352577 Microchannel laminated mass exchanger and method of making |
| 03/05/2002 | US6352576 Methods of selectively separating CO2 from a multicomponent gaseous stream using CO2 hydrate promoters |
| 03/05/2002 | US6352575 Apparatus and method for centralized recovery of volatile organic compounds |
| 03/05/2002 | US6352533 Electrosurgical handpiece for treating tissue |
| 03/05/2002 | CA2355414A1 An improved method and apparatus for oxidizing undesired compounds residing within a liquid glycol based absorbent |
| 03/05/2002 | CA2087833C A process for removal of so2 and nox from combustion flue gases and an apparatus used therefor |
| 02/28/2002 | WO2002016293A2 Zeolite compounds for removal of sulfur compounds from gases |
| 02/28/2002 | WO2002016258A1 Hydrogen generator |
| 02/28/2002 | WO2002016030A1 Use of an adsorbent for the removal of liquid, gaseous and/or dissolved constituents from a process stream |
| 02/28/2002 | WO2002016028A1 Gas separation process |
| 02/28/2002 | WO2002016027A1 Improvements in or relating to carbon dioxide absorbent formulations |
| 02/28/2002 | WO2002016026A2 Adsorbent and/or catalyst compounds promoted with halide ions and methods of making and using thereof |
| 02/28/2002 | WO2002016014A1 Process and apparatus for removing nox from engine exhaust gases |
| 02/28/2002 | WO2002016013A1 System for flue gas purification and method for introducing a purifying agent |
| 02/28/2002 | WO2002016012A1 Method for purifying fluorinated gas effluents |
| 02/28/2002 | WO2002016011A1 Plasma assisted gas reactors |
| 02/28/2002 | WO2002016010A1 System and method for controlling an atmosphere |
| 02/28/2002 | WO2002016009A2 Non-cryogenic production of nitrogen for on-site injection in well clean out |
| 02/28/2002 | WO2002016006A1 Method and device for separating or enriching concentration in a mixture of gaseous or liquid constituents |
| 02/28/2002 | WO2002015945A1 Concept for slurry separation and biogas production |
| 02/28/2002 | WO2002004099A8 System for purifying internal combustion engine exhaust gases |
| 02/28/2002 | US20020025905 Exhaust catalyst; synergistic mixture of hydrolysis and reductive catalysts |
| 02/28/2002 | US20020025904 Three-diemnsional molding materials |
| 02/28/2002 | US20020025292 Treatment of a gas stream containing hydrogen sulphide |
| 02/28/2002 | US20020025290 As adsorbents for carbon dioxide and water; efficiency, pollution control |
| 02/28/2002 | US20020025286 Receiving exhaust and reagent gas capable of reacting with at portion of exhaust; applying pulses of energy to the exhaust received and reagent gas received, so as to cause fluorine in exhaust to interact with reagent gas |
| 02/28/2002 | US20020025285 Process and apparatus for enhancing distribution of NOx-reducing chemicals in a high solids environment |
| 02/28/2002 | US20020025284 Part of hydrogen sulfide containing feed gas is burnt in a furnace in presence of oxygen or air, sulfur dioxide is formed and reacts with hydrogen sulfide to form sulfur vapor which is extracted; gas stream is reduced to hydrogen sulfide, removing |
| 02/28/2002 | US20020025283 Process and apparatus for recovery of raw materials from wastes residues |
| 02/28/2002 | US20020025281 Exhaust emission control device |
| 02/28/2002 | US20020024155 Humidifier |
| 02/28/2002 | US20020024038 Removing hydrogen sulfide from a natural gas by permitting natural gas to pass through hydrogen sulfide-removing device filled with hydrogen sulfide absorbent; adding carbon dioxide and steam; feeding into reformer for steam reforming |
| 02/28/2002 | US20020023874 As membrane for micro-filtration. ultra-filtration or nano-filtration, in catalytic processes, as diaphragm or battery separator |
| 02/28/2002 | US20020023762 Hypoxic fire prevention and fire suppression systems with breathable fire extinguishing compositions for human occupied environments |
| 02/28/2002 | US20020023540 Gas separation apparatus |
| 02/28/2002 | US20020023538 First and second adsorbents in fluidized beds, the first for sending partially sweetened natural gas to second adsorbent at different temperature; nonthermal plasma corona reactor for converting hydrogen sulfide to hydrogen and sulfur |
| 02/28/2002 | US20020023433 Method and system for feeding a reducing agent into a catalyst device |
| 02/28/2002 | US20020023432 Engine exhaust purification device |
| 02/28/2002 | US20020023419 Open-structured and material-permeable support and having on side(s) and interior of the support an inorganic component comprising a metal or metal compound of groups III to VII to filter exhaust gas; easily regenerated; traps, burns soot |
| 02/28/2002 | DE10041508A1 Molecular sieve used for pressurized gas insulation of power switch is connected to sensor for determining degree of saturation of sieve |
| 02/28/2002 | DE10040730A1 Device for treating liquids and gases comprises funnel having part directed from funnel opening formed as mold sleeve body with section of hyperboloid |
| 02/28/2002 | DE10040715A1 Vehicle catalytic converter dismantling device has ejection device in form of tip and pushrod and abutment formed by jaws at fixed preset spacing |
| 02/28/2002 | DE10040571A1 Vorrichtung zur Erzeugung eines Reduktionsmittel-Luft-Gemisches Device for generating a reducing agent and air mixture |
| 02/28/2002 | DE10040554A1 Exhaust gas cleaning unit for automobile diesel engines includes a nitrogen oxide absorber located upstream of a particle filter |
| 02/28/2002 | DE10040516A1 Mehrzylinder-Brennkraftmaschine mit einer Vorrichtung zum Katalysator-Heizen A multi-cylinder internal combustion engine with a device for heating catalyst- |
| 02/28/2002 | DE10040163A1 Verfahren zur Entschwefelung der Abgase einer Anlage zur Herstellung von Zementklinker A process for desulfurization of the exhaust gases of a plant for manufacturing cement clinker |
| 02/28/2002 | DE10040125A1 Vorrichtung zur Reduzierung der Kohlenwasserstoffverdunstungsemission in einem Kraftstoffversorgungssystem Apparatus for reducing the hydrocarbon evaporative emission in a fuel supply system |
| 02/28/2002 | DE10040015A1 Purification of hot gas and/or dust streams, especially from production or processing of bitumen or plastics, comprises contacting stream with cooler surfactant-containing liquid droplets |
| 02/28/2002 | DE10039885A1 Desorbable sorption filter, for filtering air delivered into vehicle interior, comprises sections consisting of electrically conductive material, and are provided with electric contacts in the form of metal layers located at section edges |
| 02/28/2002 | DE10039596A1 Metal membrane for removing hydrogen from gas mixtures contains metal membrane formed on supporting surface of porous membrane carrier |
| 02/28/2002 | DE10039595A1 Production of metal composite membrane comprises placing precursor of metal membrane on porous precursor of membrane support, forming metal composite, adjusting metal membrane thickness, and producing porous structure |
| 02/28/2002 | DE10039575A1 Method for reducing the amount of pollutants from the exhaust gases of combustion engines running on heavy oil, requires conveying the resultant flue gases over fluidized bed incinerator for steam generation |
| 02/28/2002 | CA2418277A1 Process and apparatus for removing nox from engine exhaust gases |
| 02/28/2002 | CA2354305A1 Treatment of a gas stream containing hydrogen sulphide |
| 02/27/2002 | EP1182400A1 Flue gas treating system and process |
| 02/27/2002 | EP1182333A1 Catalyst carrier holding member, method of making the same and catalyst converter |
| 02/27/2002 | EP1182332A1 Exhaust gas cleaning device |
| 02/27/2002 | EP1182182A1 Process for the separation of p-xylene |
| 02/27/2002 | EP1181972A1 Process and apparatus for feeding a reducing agent in a catalyst device |
| 02/27/2002 | EP1181971A2 Process for the denitration of exhaust gases from lean-burn engines |
| 02/27/2002 | EP1181970A1 Close-coupled catalyst for purifying exhaust gas and process for making the same |
| 02/27/2002 | EP1181969A1 Method and apparatus for removing sulfuric acid mist from gases |
| 02/27/2002 | EP1181968A2 Gas separation process using ceramic membrane and regenerators |
| 02/27/2002 | EP1181967A1 Gas absorption and release apparatus and method of controlling the apparatus |
| 02/27/2002 | EP1181965A1 Device for cleaning a fluid in the form of a vapor from a circuit |
| 02/27/2002 | EP1181321A1 Method for isolating olefins from polyolefin plants |
| 02/27/2002 | EP1181242A1 Hydrogen recycle and acid gas removal using a membrane |
| 02/27/2002 | EP1181181A1 Controller module for continuous flow twin air dryers and process of controlling same |
| 02/27/2002 | EP1181148A1 Ceramic honeycombed body with inlay |
| 02/27/2002 | EP1181094A1 COMPOSITION USABLE AS NOx TRAP, BASED ON MANGANESE AND AN ALKALINE-EARTH OR A RARE EARTH AND USE IN THE TREATMENT OF EXHAUST GASES |
| 02/27/2002 | EP1181088A1 Method for producing a catalyst and use of the catalyst for degrading dioxins and/or furans |
| 02/27/2002 | EP1181087A1 Isolation of sf 6? from insulating gases in gas-insulated lines |
| 02/27/2002 | EP1181084A1 A device for treating a gas |
| 02/27/2002 | EP1046014A4 Liquid desiccant dehumidifier and air conditioner |
| 02/27/2002 | EP1036032B1 Device for selective catalytic oxidation of carbon monoxide |
| 02/27/2002 | EP0999878B1 Method for eliminating halogenated and non halogenated waste |
| 02/27/2002 | CN2479015Y Smoke purifying apparatus for gravity coal-feeding coke oven |
| 02/27/2002 | CN2478671Y Dry-type desulfurizing tower |
| 02/27/2002 | CN2478670Y Filter gas exhaust device for exhaust washing machine |
| 02/27/2002 | CN2478668Y Impact liquid column flue gas cleaner |
| 02/27/2002 | CN1079689C Catalyst for purifying exhaust gas from internal combustion engine and exhaust gas purifying method |