| 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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| 09/16/1997 | US5667582 Method for dry desulfurizing flue gases |
| 09/16/1997 | US5667566 Apparatus for water vapor removal from a compressed gas |
| 09/16/1997 | US5667561 Europium oxide adsorbent |
| 09/16/1997 | US5667560 Faujasite |
| 09/16/1997 | US5667559 Apparatus and method for removing volatile organic compounds from an air stream |
| 09/16/1997 | US5667558 Apparatus and associated method for reducing an undesired constituent of gas associated with wastewater |
| 09/16/1997 | US5666891 Waste conversion unit |
| 09/16/1997 | US5666828 Cryogenic hybrid system for producing low purity oxygen and high purity oxygen |
| 09/16/1997 | US5666819 Rapid sorption cooling or freezing appliance |
| 09/16/1997 | US5666726 Method of making a mounting mat for fragile structures such as catalytic converters |
| 09/12/1997 | WO1997032664A1 Molded product having photocatalytic function |
| 09/12/1997 | WO1997032660A2 Process and device for scrubbing waste gases containing ethylene oxide |
| 09/12/1997 | WO1997032659A1 Method and device for separating gases wherein the heat-transferring agent is an aromatic |
| 09/12/1997 | WO1997032658A1 A process of and a device for producing a gas, containing at least one component, from a gas mixture |
| 09/12/1997 | WO1997032657A1 Cylindrical vessel for separation |
| 09/12/1997 | WO1997032656A1 Method and device for selectively separating at least one component from a gaseous mixture |
| 09/12/1997 | WO1997032646A1 Nanofiber packed beds having enhanced fluid flow characteristics |
| 09/12/1997 | WO1997023412A3 Device for removing hydrogen from a gas mixture and its use |
| 09/12/1997 | WO1997010895A3 Sulfur dioxide reduction catalyst |
| 09/12/1997 | CA2220096A1 Molded product having photocatalytic function |
| 09/11/1997 | DE19609204A1 Verfahren zur Abgaswäsche der Abgase einer Desorptionseinrichtung eines Sterilisators, in welchem Sterilisiergut mit Ethylenoxid zur Keimabtötung begast worden ist Process for waste gas scrubbing of exhaust gases from a desorption of a sterilizer has been fumigated with ethylene oxide sterilization in which the germ killing |
| 09/11/1997 | DE19609053C1 Water filter bed reactor cleaning process |
| 09/11/1997 | DE19608836A1 Reduction of nitrous oxide emission in the flue gas of high temperature furnaces |
| 09/11/1997 | DE19608834C1 Biological treatment process treats effluent air |
| 09/11/1997 | DE19608805C1 Filter bed reactor cleaning process activates mixer in response to pressure drop |
| 09/11/1997 | DE19608512A1 Catalyst for purification of exhaust air, especially from kitchens |
| 09/10/1997 | EP0794325A1 Exhaust gas fluidics apparatus |
| 09/10/1997 | EP0793996A1 Catalytic process for desodoration and denitrification of waste pollutants |
| 09/10/1997 | EP0793995A1 A method for treating gas containing organohalogen compounds, and catalyst for decomposing the organohalogen compounds |
| 09/10/1997 | EP0793994A1 Wet flue gas desulfurization system |
| 09/10/1997 | EP0793993A1 Process for treating waste water of flue gas desulfurization |
| 09/10/1997 | EP0793992A2 Absorbent packet |
| 09/10/1997 | EP0793991A1 Improved vacuum pressure swing adsorption process |
| 09/10/1997 | EP0793702A2 Fireproof cladding in the transfer line of a gasifier to the heat recovery boiler |
| 09/10/1997 | EP0793529A1 Method and apparatus for destruction of volatile organic compound flows of varying concentration |
| 09/10/1997 | EP0793527A1 Method for separating substances from a gaseous medium by dry adsorption |
| 09/10/1997 | EP0793526A1 Method and apparatus for purification of ventilating air |
| 09/10/1997 | EP0765187A4 Improved wet scrubbing method and apparatus for removing sulfur oxides from combustion effluents |
| 09/10/1997 | EP0659101B1 Method and device for simultaneously drying and removing metallic and organic mercury from fluids |
| 09/10/1997 | EP0644857B1 Method for treating water |
| 09/10/1997 | EP0515450B1 Process and device for treating fluids by means of a pourable solid by the counterflow method |
| 09/10/1997 | CN2261877Y Centrifugal waste gas purifier |
| 09/10/1997 | CN1158752A Multifunctional fume purifier |
| 09/10/1997 | CN1158751A Intallation for purifying flue gases having different contents of acidic components and method of operating installation |
| 09/09/1997 | US5665597 Pseudomonas alcaligenes, bioremediation |
| 09/09/1997 | US5665322 Method of cleaning exhaust gas |
| 09/09/1997 | US5665321 Process for the reaction and absorption of gaseous air pollutants, apparatus therefor and method of making same |
| 09/09/1997 | US5665319 Method of separating carbon dioxide from carbon dioxide containing gas and combustion apparatus having function to separate carbon dioxide from the combustion gas |
| 09/09/1997 | US5665318 Arrangement for treatment of exhaust gases for a compression-ignition internal combustion engine |
| 09/09/1997 | US5665317 Flue gas scrubbing apparatus |
| 09/09/1997 | US5665148 Adsorption air filter and method for its production |
| 09/09/1997 | US5665146 Dehumidifier |
| 09/09/1997 | US5665144 Method and apparatus utilizing hydrocarbon pollutants from glycol dehydrators |
| 09/09/1997 | US5665143 Air filtration system |
| 09/09/1997 | US5665129 Wet flue-gas dsulfurization system |
| 09/09/1997 | US5664427 Rapid sorption cooling or freezing appliance |
| 09/09/1997 | US5664426 Regenerative gas dehydrator |
| 09/08/1997 | CA2182353A1 Absorbent packet |
| 09/04/1997 | WO1997032171A1 Membrane-augmented cryogenic methane/nitrogen separation |
| 09/04/1997 | WO1997031859A1 Process for recycling waste hydrochloric acid |
| 09/04/1997 | WO1997031705A2 Method and device for purifying exhaust gases |
| 09/04/1997 | WO1997031704A1 PROCESS FOR REGENERATING AN NOx STORAGE CATALYTIC CONVERTER |
| 09/04/1997 | WO1997031703A1 Glass material for carrying a photocatalyst, filter device using the same and light irradiating method |
| 09/04/1997 | WO1997031702A1 Desulfurizing method and apparatus by irradiation of electron beam |
| 09/04/1997 | WO1997031701A1 Methane/nitrogen separation process |
| 09/04/1997 | WO1997031700A1 Method of absorbing oxides of nitrogen from waste-gas streams |
| 09/04/1997 | WO1997031699A1 Specialty gas purification system |
| 09/04/1997 | WO1997031698A1 Process for the recovery of volatile low molecular compounds |
| 09/04/1997 | WO1997031682A1 Process for microbial decomposition of harmful substances in media charged with harmful substances, and micro-organisms suitable for this purpose |
| 09/04/1997 | DE19708025A1 Recovery and purification of argon from silicon crystal growing oven |
| 09/04/1997 | DE19608093A1 Utilising residues, wastes and low grade fuels in cement kiln |
| 09/04/1997 | DE19607862A1 Verfahren und Vorrichtung zur Abgasreinigung Method and device for purifying exhaust gas |
| 09/04/1997 | DE19607667A1 Verfahren zur Verwertung von Abfallsalzsäure Process for the recovery of waste hydrochloric acid |
| 09/04/1997 | DE19607656A1 Filter mask for filtering air for breathing |
| 09/04/1997 | DE19607506C1 Measuring exhaust gas from alcohol-containing fuel-driven engine |
| 09/04/1997 | DE19607389A1 Verfahren zur Absorption von Stickoxiden aus Abgasströmen A process for absorption of nitrogen oxides from exhaust gas streams |
| 09/04/1997 | CA2248298A1 Process for the recovery of volatile low molecular compounds |
| 09/03/1997 | EP0793053A1 Device for the removal of liquids and/or impurities from a gas |
| 09/03/1997 | EP0792957A2 Acidic or basic gas absorptive fiber and fabric |
| 09/03/1997 | EP0792835A1 Ozone storing method and ozone storage system |
| 09/03/1997 | EP0792681A1 Process for cleaning a halogen containing gas |
| 09/03/1997 | EP0792680A1 Process and apparatus for removing carbon monoxide from a gas stream |
| 09/03/1997 | EP0792679A1 Process and apparatus for removing oxygen and carbon monoxide from a gas stream |
| 09/03/1997 | EP0792678A1 Process and installation to separate air by permeation, for the production of nitrogen |
| 09/03/1997 | EP0792187A1 Method and devices for the chemical purification of thermal engine exhaust gases |
| 09/03/1997 | EP0792186A1 Combustion exhaust gas scrubbing process and device |
| 09/03/1997 | EP0792185A1 Very high purity nitrogen by membrane separation |
| 09/03/1997 | EP0792184A1 Adsorber for purifying combustion gases |
| 09/03/1997 | EP0792183A1 Method of cleaning gases, in particular gases contaminated with chemical residues |
| 09/03/1997 | EP0632740B1 Method and apparatus for the treatment of gas streams |
| 09/03/1997 | EP0616549B1 Particulate material separator |
| 09/03/1997 | EP0572634B1 Combined adjustable-flow rate nitrogen and oxygen production method |
| 09/03/1997 | CN1158272A Method for separating SO2 from waste gas |
| 09/03/1997 | CN1158270A Distributor allowing independent injection and/or removal of fluids |
| 09/02/1997 | US5664049 Honeycomb heater |
| 09/02/1997 | US5663488 Thermal isolation system in an analytical instrument |
| 09/02/1997 | US5663476 Impingement on heated member configured to direct flow ofcompound; pollution control |
| 09/02/1997 | US5663475 Reactor for oxidation of petrochemicals using ozone and hydrogen peroxide |
| 09/02/1997 | US5662873 Catalytic oxidation of hydrogen and/or carbon monoxide |
| 09/02/1997 | US5662872 Contacting a gas containing a basic component with a cupric salt cleaning agent |