| 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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| 02/09/1999 | US5867982 Excess of hydrogen is maintained essentially unburnt within catalytic converter so as to provide short light-off time for catalytic converter |
| 02/09/1999 | US5867918 Gas dryer with an outlet chamber |
| 02/09/1999 | CA2136391C Apparatus for removing free hydrogen from a gas mixture containing hydrogen and oxygen |
| 02/04/1999 | WO1999005742A1 Carbon monoxide removal method based on a regenerable co scavenger |
| 02/04/1999 | WO1999005402A1 Exhaust gas control system for diesel engine exhaust gases |
| 02/04/1999 | WO1999005401A1 Exhaust cleaning arrangement for a diesel motor |
| 02/04/1999 | WO1999005400A1 Gas purification device |
| 02/04/1999 | WO1999005329A1 Method for operating a sintering plant, and sintering plant |
| 02/04/1999 | WO1999004899A1 Solid chloride absorbent |
| 02/04/1999 | WO1999004894A1 Continuous reaction method by solid/gas catalysis in unconventional medium, corresponding reactor and use of said reactor |
| 02/04/1999 | WO1999004889A1 Filtering device |
| 02/04/1999 | WO1999004888A1 Flue gas pipe and method for treating flue gas |
| 02/04/1999 | WO1999004887A1 Process for producing highly reactive lime in a furnace |
| 02/04/1999 | WO1999004886A1 Process for recovering sulfur hexafluoride |
| 02/04/1999 | WO1999004885A1 Absorbent composition for purifying gases which contain acidic components |
| 02/04/1999 | WO1999004884A1 High flow absorbent breather filter |
| 02/04/1999 | WO1999004883A1 Method for ammonia production |
| 02/04/1999 | WO1999004882A1 Method and system for recovering and recirculating a deuterium-containing gas |
| 02/04/1999 | WO1999004878A1 Method for eliminating organophosphorus compounds contained in a gas or liquid |
| 02/04/1999 | WO1999004861A1 Method for eliminating halogenated and non halogenated waste |
| 02/04/1999 | DE19804522A1 Verfahren und Vorrichtung zum Behandeln von keramischen Bauteilen Method and apparatus for treating ceramic components |
| 02/04/1999 | DE19754213C1 Decentralised continuous oxygen generating equipment for medical use |
| 02/04/1999 | DE19743302C1 Bubble jet pump injecting NOx reductant into diesel engine exhaust gases |
| 02/04/1999 | DE19733540A1 Vacuum panel with toxic getter |
| 02/04/1999 | DE19733256A1 Wet flue gas desulphurisation |
| 02/04/1999 | DE19731865A1 Abgasreinigungsanlage für das Abgas eines Dieselmotors Emission control system for the exhaust gas of a diesel engine |
| 02/04/1999 | DE19731546A1 Selectively reducing nitrogen oxide(s) in boiler flue gases |
| 02/04/1999 | DE19727038C1 Vorrichtung zur Durchführung von Gasreaktionen, Verwendung der Vorrichtung und Verfahren zum Betreiben der Vorrichtung Apparatus for carrying out gas reactions, using the apparatus and method of operating the apparatus |
| 02/04/1999 | CA2301667A1 Method for operating a sintering plant, as well as sintering plant |
| 02/04/1999 | CA2296288A1 Method for ammonia production |
| 02/04/1999 | CA2290970A1 Carbon monoxide removal method based on a regenerable co scavenger |
| 02/03/1999 | EP0895079A1 Method for determining the concentration of CaCO3 in wash suspensions from a flue gas desulphurisation plant |
| 02/03/1999 | EP0895049A1 Sintering installation |
| 02/03/1999 | EP0895044A2 System for producing cryogenic liquefied industrial gas |
| 02/03/1999 | EP0894962A2 Exhaust purification apparatus and method for internal combustion engines |
| 02/03/1999 | EP0894765A1 Purification of hydrochloric acid, by-product of the methanesulphonic acid synthesis |
| 02/03/1999 | EP0894530A1 Mercury removal catalyst and method of making and using same |
| 02/03/1999 | EP0894527A1 Composition and process for removing moisture from hydrogen halides |
| 02/03/1999 | EP0894524A2 Mass transfer method |
| 02/03/1999 | EP0894523A1 Static mixer and exhaust duct for a combustion system |
| 02/03/1999 | EP0894522A1 Process and apparatus for the production of ultra-pure inert gas |
| 02/03/1999 | EP0894521A1 Regulation of a pressure swing adsorption process |
| 02/03/1999 | EP0894023A1 Apparatus and process for removal of hydrogen sulfide |
| 02/03/1999 | CN2306065Y Granite desulfurizing dusting tower |
| 02/03/1999 | CN1207052A Regenerative method and composition for removing sulfides from gas streams |
| 02/03/1999 | CN1206823A System for producing deep cooling liquefying industry gas |
| 02/03/1999 | CN1206735A Fine preparation method for gas |
| 02/03/1999 | CN1206690A Composition for removing water from halogen hydirde and process thereof |
| 02/03/1999 | CN1206628A Catalyst for car tail gas |
| 02/03/1999 | CN1206624A Waste gas denitration method and device thereof |
| 02/03/1999 | CN1041896C Crown element for conveying matter to the packing of a matter-exchange tower |
| 02/03/1999 | CN1041895C Process for the simultaneous absorption of sulfur oxides and production of ammounium sulfate |
| 02/02/1999 | US5866752 Irradiating the gas stream in intimate contact with a semiconductor catalyst under laminar flow conditions |
| 02/02/1999 | US5866503 Mixture of zinc oxide, binder and inert filler |
| 02/02/1999 | US5866500 Process for producing exhaust-gas-purifying catalyst |
| 02/02/1999 | US5866499 Molybdenum, vanadium oxide |
| 02/02/1999 | US5866498 Composite catalysts for hydrocarbon oxidation |
| 02/02/1999 | US5866388 Permeable to gases and liquids, tetrahedral shape. |
| 02/02/1999 | US5866275 Layered sintered body for electrochemical cells |
| 02/02/1999 | US5866090 Method for separation of carbon dioxide gas |
| 02/02/1999 | US5866089 Ultrasound-assisted liquid redox absorber |
| 02/02/1999 | US5866081 Deposited inner electrode for corona discharge pollutant destruction reactor |
| 02/02/1999 | US5866080 Enhanced efficiency |
| 02/02/1999 | US5866078 Oxygen storage system |
| 02/02/1999 | US5866003 Pollution control using microorganisms |
| 02/02/1999 | US5865998 Receiver-dryer assembly and desiccant bag therefor |
| 02/02/1999 | US5865959 Back-side illuminated organic pollutant removal system |
| 02/02/1999 | US5865879 Gas scrubber used in fabricating semiconductor devices and gas filtering method using the same |
| 02/02/1999 | US5865878 Method for producing oxidized product and generating power using a solid electrolyte membrane integrated with a gas turbine |
| 02/02/1999 | US5865877 Method and apparatus for supplying a pressurized diver's breathing gas for underwater divers |
| 02/02/1999 | US5865033 Method and device for cooling gases |
| 02/02/1999 | CA2153669C Process for recovering sulfur and hydrogen from hydrogen sulfide |
| 02/02/1999 | CA2055002C Method and apparatus for the removal of constituents from a waste gas |
| 01/28/1999 | WO1999004145A1 Device and method for reduction of harmful emissions from a combustion engine |
| 01/28/1999 | WO1999003785A1 Device for treatment and removal of aqueous liquids by controlled atmospheric action |
| 01/28/1999 | WO1999003579A1 NOx REDUCTION CATALYST |
| 01/28/1999 | WO1999003567A1 Absorbent material, apparatus and method for exhaust gas cleaning |
| 01/28/1999 | WO1999003566A1 Catalytic conversion of gases via cation-exchangeable alumino-silicate materials |
| 01/28/1999 | WO1999003565A1 Method and installation for eliminating gaseous organic substances in the air |
| 01/28/1999 | WO1999003564A2 Method and apparatus for oxidizing no to no2 and apparatus and method for generating ozone |
| 01/28/1999 | WO1998047604A3 Heat recovery and pollution abatement device |
| 01/28/1999 | DE19747905C1 Cleaner for pollutant bearing exhaust gases |
| 01/28/1999 | DE19732304A1 Motor vehicle air conditioning unit |
| 01/28/1999 | DE19731624A1 Reversible rich regeneration of nitrogen@ oxide absorption catalyst |
| 01/28/1999 | DE19731551A1 Filtervorrichtung Filter device |
| 01/28/1999 | DE19731487A1 Honeycomb exhaust gas catalyst substrate in sheet metal, designed to resist vibration |
| 01/28/1999 | DE19731162A1 Removing mercury from waste incineration plant flue gas |
| 01/28/1999 | CA2294394A1 Catalytic conversion of gases via cation-exchangeable alumino-silicate materials |
| 01/27/1999 | EP0893412A2 Method and apparatus for preventing biofouling in cooling water system |
| 01/27/1999 | EP0893404A1 Ozone producing apparatus |
| 01/27/1999 | EP0893403A1 Ozone producing apparatus |
| 01/27/1999 | EP0893402A1 Ozone supplying apparatus |
| 01/27/1999 | EP0893401A1 Ozone producing apparatus |
| 01/27/1999 | EP0893400A1 Ozone supplying apparatus |
| 01/27/1999 | EP0893157A1 Bounded zeolitic adsorbent, method for its production and its use for the non cryogenic separation of process gases |
| 01/27/1999 | EP0893156A2 Process for preparation of a lithium ions and bivalent ions containing exchanged type a bonded zeolite granulat and use thereof for adsorptive air separation |
| 01/27/1999 | EP0893154A2 Process and apparatus for desulphating of NOx-traps for DI-Diesel engines |
| 01/27/1999 | EP0893153A1 Flue gas line and process of treating flue gas |
| 01/27/1999 | EP0893152A1 Process for the separation of mercury from gases, adsorbents to carry out the process and application of the same |
| 01/27/1999 | EP0892887A1 Heat-resistant and regenerable filter body with flow paths |