| 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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| 06/09/2004 | CN1152734C Desulfurizing process and apparatus with regeneratable desulfurizing agent |
| 06/09/2004 | CN1152733C Cyclone dispersion absorbing/separating absorbing tower |
| 06/09/2004 | CN1152732C Purification method for increasing carbon dioxide recovery |
| 06/08/2004 | US6746748 Honeycomb structure and process for production thereof |
| 06/08/2004 | US6746623 Antifoam agents comprising bis/2-/3-aminopropoxy/ethyl/ ether, endcapped with butyl glycidyl ethers, for use in protective or decorative coatings, inks, adhesives, varnishes, agricultural or acid gas scrubbing solutions |
| 06/08/2004 | US6746519 Air cleaning filter |
| 06/08/2004 | US6746516 Method and apparatus for treating air emissions and recovering products therefrom |
| 06/08/2004 | US6746515 Method and apparatus for thermal swing adsorption and thermally-enhanced pressure swing adsorption |
| 06/08/2004 | US6746513 Integrated membrane filter |
| 06/08/2004 | US6746504 Filter for use in medical procedures |
| 06/08/2004 | US6745771 Anesthetic filter arrangement with variable retention of gas by the filter |
| 06/08/2004 | US6745560 Employing nitrogen oxides adsorber; reduces fuel penalty; allows regeneration even at low loads; lower cost; smaller size |
| 06/08/2004 | CA2301929C Zeolite adsorbents and adsorptive separation process |
| 06/08/2004 | CA2175999C Method and apparatus for reducing hydrocarbon emissions from a fuel storage tank |
| 06/08/2004 | CA2111528C Palladium incorporated metal oxide catalyst |
| 06/03/2004 | WO2004046513A1 Nozzle, especially for dosing urea |
| 06/03/2004 | WO2004046406A1 HIGH-Al STAINLESS STEEL PLATE AND DOUBLE-LAYERED PLATE, PROCESS FOR PRODUCING THE SAME, A HONEYCOMB STRUCTURE THEREFROM AND PROCESS FOR PRODUCING THE HONEYCOMB STRUCTURE |
| 06/03/2004 | WO2004046102A2 Novel graphite nanocatalysts |
| 06/03/2004 | WO2004045766A1 Exhaust gas purifying catalyst and method for purifying exhaust gas |
| 06/03/2004 | WO2004045765A1 Exhaust gas purifying catalyst and method for purifying exhaust gas |
| 06/03/2004 | WO2004045758A2 Application of conductive adsorbents, activated carbon granules and carbon fibers as substrates in catalysis |
| 06/03/2004 | WO2004045751A1 Permeable film for separating hydrogen |
| 06/03/2004 | WO2004045747A1 Device for reducing atmospheric pollution by exhaust gas |
| 06/03/2004 | WO2004045746A1 Device for simultaneously cooling and removing liquid from a gas from a compressor |
| 06/03/2004 | WO2004045745A1 Membrane separation process |
| 06/03/2004 | WO2004045744A1 Method for separating a krypton-xenon concentrate and a device for carrying out said method |
| 06/03/2004 | WO2004045743A1 Apparatus and method for filtering an aerosol-bearing gas stream |
| 06/03/2004 | WO2004045695A1 Device and method for the generation of respirational air |
| 06/03/2004 | WO2004045660A1 Air cleaner |
| 06/03/2004 | WO2004045657A1 Method for deodorising large-scale plants |
| 06/03/2004 | US20040106837 Method of desulfurizing a hydrocarbon |
| 06/03/2004 | US20040106721 Controlling humidity; packaging |
| 06/03/2004 | US20040105812 Chemical reactor and method for gas phase reactant catalytic reactions |
| 06/03/2004 | US20040105803 reaction gas from ammonia combustion passed over catalyst arranged downstream of heat exchanger after ammonia combustion and upstream of the absorption column |
| 06/03/2004 | US20040105802 NOx, Hg, AND SO2 REMOVAL USING AMMONIA |
| 06/03/2004 | US20040105801 capable of preventing an unburnt hydrocarbon accumulated in an oxidation catalyst due to a long-time idling operation from being exhausted into the atmosphere. |
| 06/03/2004 | US20040104109 Subjecting electrically conductive catalyst to an electric current ; passing a hydrocarbon vapor over electrically conductive catalyst to produce oxidative reaction product of hydrocarbon |
| 06/03/2004 | US20040103895 Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage |
| 06/03/2004 | US20040103830 Apparatus for the cleaning of flue gases containing sulfur dioxide |
| 06/03/2004 | US20040103790 Air filter device |
| 06/03/2004 | US20040103789 Fume-treating device and fume ducting system for cooker hoods |
| 06/03/2004 | US20040103782 comprises pressure swing adsorber unit to remove volatile organic compounds from the crude feed gas mixture followed by membrane separation unit operation; for solid waste lanfillls |
| 06/03/2004 | US20040103652 Device for exhaust gas treatment of a combustion system |
| 06/03/2004 | US20040103651 Desulfating a nox-trap in a diesel exhaust system |
| 06/03/2004 | US20040103650 Exhaust gas purification apparatus and method for internal combustion engine |
| 06/03/2004 | US20040103644 Arrangement and method for compressed air systems in vehicles |
| 06/03/2004 | US20040103643 Urea injector in exhaust gas turbine housing |
| 06/03/2004 | US20040103641 Device for Exhaust Gas After Treatment of Motor Vehicles, in Particular, Diesel Engine Vehicles |
| 06/03/2004 | DE19546149B4 Verfahren zur Rauchgasentschwefelung, wobei nach einer Naß-Rauchgasentschwefelungsanlage die verunreinigte Waschlösung einer speziellen Behandlung zugeführt wird A method of flue-gas desulphurisation, wherein after a wet flue gas desulfurization system, the contaminated scrubbing solution is fed to a special treatment |
| 06/03/2004 | DE19525227B4 Feuchtigkeitsaustauscherelement, Feuchtigkeitsaustauscher sowie Verfahren zur Herstellung desselben Thereof Feuchtigkeitsaustauscherelement, moisture exchangers and methods for preparing |
| 06/03/2004 | DE10350695A1 Abgasreinigungssystem mit Partikelfilter Emission control system with particle filter |
| 06/03/2004 | DE10347461A1 Diesel-Abgasnachbehandlungssysteme Diesel exhaust aftertreatment systems |
| 06/03/2004 | DE10255152A1 Schadstoffsauger Pollutant sucker |
| 06/03/2004 | DE10254981A1 Vorrichtung zur Entfernung eines Reduktionsmittels aus einer Apparatur zum Nachbehandeln von Abgasen einer Brennkraftmaschine Apparatus for removing a reducing agent of an apparatus for after-treatment of exhaust gases from an internal combustion engine |
| 06/03/2004 | DE10254807A1 Removal of volatile oxidisable components, comprises supplying a gas stream to a container that holds particles, and adding oxygen to the gas stream |
| 06/03/2004 | DE10254764A1 Abgasanlage Exhaust system |
| 06/03/2004 | DE10254046A1 Desulfurizing flue gas emitted from power station involves burning fuel with combustion ash as additive with introduction of combustion air |
| 06/03/2004 | DE10253257A1 Verfahren zum Desodorieren von großflächigen Anlagen Process for deodorizing large-scale systems |
| 06/03/2004 | DE10135801B4 Verfahren zur Abgasreinigung Method for purifying exhaust gas |
| 06/03/2004 | DE10020205C5 Dunstabzugshaube mit Kondensatabscheider Hood with condensate |
| 06/03/2004 | CA2506099A1 Application of conductive adsorbents, activated carbon granules and carbon fibers as substrates in catalysis |
| 06/02/2004 | EP1424435A2 Method of reducing nitrogen oxide emissions in a chemical pulp mill |
| 06/02/2004 | EP1424121A1 Method for catalytic reduction of nitrogen oxides and catalyst for use therein |
| 06/02/2004 | EP1424120A1 Process and installation for the treatment of perfluorinated and hydrofluorocarbonated gases, for the purpose of their destruction |
| 06/02/2004 | EP1424032A1 Vacuum cleaner and device having ion generator |
| 06/02/2004 | EP1423345A2 Inorganic fiber substrates for exhaust systems and methods of making same |
| 06/02/2004 | EP1423338A2 Membrane module for gas transfer and membrane supported biofilm process |
| 06/02/2004 | EP1423268A1 Method and composition for an in-mold liner |
| 06/02/2004 | EP1423181A1 Downhole gas separation method and system |
| 06/02/2004 | EP1309389B1 Plasma assisted gas reactors |
| 06/02/2004 | EP1242164B1 A method and a device for gas treatment |
| 06/02/2004 | EP1222014B1 Method for plasma treatment of gases |
| 06/02/2004 | EP1044058B1 Three-way catalyst |
| 06/02/2004 | EP0877649B1 IMPROVED ADVANCED REBURNING METHODS FOR HIGH EFFICIENCY NOx-CONTROL |
| 06/02/2004 | CN1501832A System and process for gas recovery |
| 06/02/2004 | CN1500547A Advanced adsorbent preparing method for psa |
| 06/02/2004 | CN1500539A Collecting facility of high melting point component in gas and collecting facility of dihalogenated aromatic compound in gas |
| 06/02/2004 | CN1151957C Process for purifying hydrogen from coke oven gas |
| 06/02/2004 | CN1151886C Catalyst for reduction of nitrogen oxide, its preparation method and use |
| 06/02/2004 | CN1151884C Catalyst for purifying waste gas from diesel engine and preparing process thereof |
| 06/02/2004 | CN1151873C Particulate purifying catalyst |
| 06/02/2004 | CN1151871C Stripping process with fully distributed openings on baffles |
| 06/02/2004 | CN1151868C Laminated pressed articles |
| 06/02/2004 | CN1151861C Process for preparing super-impurity chemical |
| 06/02/2004 | CN1151860C Fire proof and automatic fire sprinkler for volatile organic waste gas treating system |
| 06/02/2004 | CN1151859C Method for separating condensable substances from gases or gas mixtures |
| 06/01/2004 | US6743745 Process for production of molecular sieve adsorbent blends |
| 06/01/2004 | US6743421 Deodorizing a odoriferous aqueous system containing odor causing organic acids and/or amine by adding sulfonate free, anionic kraft pine lignin |
| 06/01/2004 | US6743404 Method for the catalytic decomposition of N2O |
| 06/01/2004 | US6743402 Purifier of noxious gas and method for manufacturing the same |
| 06/01/2004 | US6743278 Gas storage and dispensing system with monolithic carbon adsorbent |
| 06/01/2004 | US6743277 Service reservoir purge of air dryers in pump-off mode |
| 06/01/2004 | US6743271 Air filter for gasoline and diesel engines |
| 06/01/2004 | US6742331 Device for purifying exhaust gas of diesel engines |
| 06/01/2004 | US6742330 Method for determining catalyst cool down temperature |
| 06/01/2004 | US6742328 Systems and methods for controlling diesel engine emissions |
| 06/01/2004 | CA2320797C Low pressure drop inlet design to promote good gas flow patterns in high velocity absorbers |
| 06/01/2004 | CA2242722C Purification of hydrochloric acid produced as a byproduct of the synthesis of methanesulfonic acid |
| 06/01/2004 | CA2185463C Removal of hydrogen cyanide from synthesis gas |
| 05/27/2004 | WO2004044500A1 Gas heating method and gas heating device |