| 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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| 02/27/1997 | DE19531028A1 Verfahren zur Abgasreinigung und Abgas-Reinigungseinrichtung für einen Verbrennungsmotor A method for purifying exhaust gas and the exhaust gas purifying device for an internal combustion engine |
| 02/27/1997 | DE19530853A1 Verfahren zum Herstellen eines Wabenkörpers aus zwei unterschiedlich aufgebauten Metallblecharten A method for manufacturing a honeycomb body from two differently constructed kinds of metal sheet |
| 02/27/1997 | DE19530850A1 Verfahren zum Herstellen eines Wabenkörpers aus zumindest zum Teil schichtartig aufgebauten Metallblechlagen A method for manufacturing a honeycomb body from at least partially structured sheet metal layers sandwiched |
| 02/27/1997 | DE19530835A1 Verfahren zum Herstellen eines Wabenkörpers unter Verwendung schichtartig aufgebauter Bleche mit Lotmaterial A method for manufacturing a honeycomb body using brazing material of layered sheets |
| 02/27/1997 | CA2229559A1 Exhaust manifold with integral catalytic converter |
| 02/27/1997 | CA2228273A1 Process for producing both steam power and cement clinker simultaneously in one apparatus its products, apparatus and use |
| 02/27/1997 | CA2225654A1 Process for reducing the dioxin and furan content in waste gases from furnaces, and use of the filter dusts produced thereby |
| 02/27/1997 | CA2202792A1 Oxygen generating device |
| 02/26/1997 | EP0759412A2 Flat glass furnaces |
| 02/26/1997 | EP0759321A1 Process for cleaning an exhaust gas containing sulphur compounds uing an active carbon |
| 02/26/1997 | EP0759320A1 Apparatus for separating gas by adsorption |
| 02/26/1997 | EP0667808B1 Catalyst system of the structured type |
| 02/26/1997 | CN2248092Y Water-washing smoke removing apparatus |
| 02/26/1997 | CN1143692A Electrolytic functional device and manufacture method of same |
| 02/26/1997 | CN1143538A Adsorbent for removal of trace oxygen from inert gases |
| 02/26/1997 | CN1143535A Exhaust gas desulfurization process |
| 02/25/1997 | US5606495 Device for controlling air pollution |
| 02/25/1997 | US5605655 Gas-liquid contacting apparatus |
| 02/25/1997 | US5605635 Method of purifying gaseous or liquid effluents containing sulfur derivatives |
| 02/25/1997 | US5605564 Membrane gas dehydrator |
| 02/25/1997 | US5605552 Gas-liquid contact of flue gas and absorbent slurry |
| 02/25/1997 | US5605400 Mixing element and method of producing the same |
| 02/25/1997 | US5605042 Arrangement for the aftertreatment of exhaust gases |
| 02/25/1997 | US5604991 Switching and purging mechanism for a twin tower air dryer |
| 02/25/1997 | US5604980 Forming inlet in catalytic vessel, forming catalytic chamber including steel packing member, treating packing member with base, then acid, calcining |
| 02/25/1997 | CA2069017C Process and apparatus for conditioning ozone gas recycle stream in ozone pulp bleaching |
| 02/25/1997 | CA2044457C Alumina-based composition for catalyst and production process thereof, catalyst and production process thereof |
| 02/22/1997 | CA2183839A1 Apparatus for adsorption separation of gases |
| 02/22/1997 | CA2183832A1 Enhanced helium recovery |
| 02/22/1997 | CA2156543A1 Antox exhaust emission filter |
| 02/20/1997 | WO1997006305A1 Method for reprocessing an ozone-containing gas present in a pulp bleaching plant |
| 02/20/1997 | WO1997006224A1 A process for producing gasoline, diesel fuel and carbon black from waste rubber and/or waste plastics |
| 02/20/1997 | WO1997006100A1 Process for cleaning inert gases by means of sorbents |
| 02/20/1997 | WO1997005944A1 Oxygen sorbent and process for producing it |
| 02/20/1997 | WO1997005943A2 Process for removing carbon dioxide from gas mixtures |
| 02/20/1997 | CA2229046A1 Method for reprocessing an ozone-containing gas present in a pulp bleaching plant |
| 02/19/1997 | EP0758730A2 Apparatus for removing moisture from an environment |
| 02/19/1997 | EP0758713A1 A method for purifying exhaust gas of a diesel engine |
| 02/19/1997 | EP0758628A2 Glass furnaces |
| 02/19/1997 | EP0758625A1 Method of recovering oxygen-rich gas |
| 02/19/1997 | EP0758561A1 Zeolites and their use in the separation of nitrogen from other gases |
| 02/19/1997 | EP0758559A1 Method for reducing nitrogen oxides formed in a flue gas |
| 02/19/1997 | EP0758263A1 Method and apparatus for the permeation separation of a gas mixture |
| 02/19/1997 | CN1143335A Material for removing contaminant from gaseous stream |
| 02/19/1997 | CN1143333A Reactive composition and method for purifying hydrogen chloride-containing gas |
| 02/19/1997 | CN1143054A Method, product and equipment for simultanously outputing heat and producing cement chamotte for "one fupnace two purpose" and use |
| 02/18/1997 | US5604339 Photooxidation of formaldehyde to carbon dioxide and water, using titanium dioxide catalyst treatment solution, to form a thin and translucent veneer on wooden surfaces |
| 02/18/1997 | US5604174 Contacting corrugated metal foil with aqueous slurry of particles of porous ceramic oxide, placing electrode in contact with slurry, applying electrical field to coat foil, removing foil from slurry, removing excess slurry, drying |
| 02/18/1997 | US5604173 Desulfurization of sulfur compound-containing gases with vanadium catalysts |
| 02/18/1997 | US5604047 Carbon monoxide removal method based on adsorption/steam desorption cycle |
| 02/18/1997 | US5603910 Method for pollution emission reduction from glass melting furnaces |
| 02/18/1997 | US5603909 Selective catalytic reduction reactor integrated with condensing heat exchanger for multiple pollutant capture/removal |
| 02/18/1997 | US5603908 Absorbing carbon dioxide in aqueous solution of hindered amine, regenerating solution by heating to liberate carbon dioxide |
| 02/18/1997 | US5603907 Process and device for treating fluids by means of a pourable solid by the countercurrent method |
| 02/18/1997 | US5603905 Apparatus for combustive destruction of particulate forming hydrides and halogenated compounds having combustion zone surrounded by radiant surface of foraminous gas burner and cooling column with connected gas-liquid separator |
| 02/18/1997 | US5603893 Pollution treatment cells energized by short pulses |
| 02/18/1997 | US5603476 Filter holder in a motor vehicle |
| 02/18/1997 | US5603377 Heat pipe and gas-liquid contacting apparatus capable of heat exchange using the heat pipes and heat exchanger of gas-liquid contacting plate type |
| 02/18/1997 | US5603215 Method and apparatus for treatment of exhaust streams |
| 02/18/1997 | CA2099149C Removal of hydrogen sulfide |
| 02/18/1997 | CA2081814C Absorbents for removing low-concentration nitrogen oxides |
| 02/13/1997 | WO1997005369A1 Process and device for decompositing nitrogen oxides in internal combustion engine exhaust gases |
| 02/13/1997 | WO1997004865A1 A manufacturing method of granulated complex molecular sieve composition having multifunctions |
| 02/13/1997 | WO1997004855A1 Emission control catalyst and emission control method using the same |
| 02/13/1997 | WO1997004854A1 Gas treatment apparatus |
| 02/13/1997 | WO1996040412A3 Oxygen-scavenging composition |
| 02/13/1997 | DE19621492A1 Verfahren zur Verminderung des Dioxin- und Furangehaltes in Ofenabgasen und Nutzung der dabei anfallenden Filterstäube A method of reducing dioxin and Furangehaltes in kiln exhaust gases and use the resulting filter dusts |
| 02/13/1997 | DE19602450C1 Vakuumdruckwechseladsorptionsverfahren und -vorrichtung Vakuumdruckwechseladsorptionsverfahren and apparatus |
| 02/13/1997 | DE19529769A1 Verfahren zum Betreiben eines Elektrofilters bzw. einer Kurbelgehäuseentlüftung A method of operating an electrostatic precipitator or a crankcase breather |
| 02/13/1997 | DE19529246A1 Verfahren zur Kohlendioxidabreinigung aus Gasgemischen Method for Kohlendioxidabreinigung from gas mixtures |
| 02/13/1997 | CA2195325A1 Emission control catalyst and emission control method using the same |
| 02/12/1997 | EP0757970A1 Ozone enriching method |
| 02/12/1997 | EP0757969A1 Process for removing hydrogen cyanide from synthesis gas |
| 02/12/1997 | EP0757919A1 Process for the adsorption of nitrogen from gas mixtures using pressure swing adsorption with zeolites |
| 02/12/1997 | EP0757918A2 Gas recovery unit |
| 02/12/1997 | EP0757774A1 Improvements to methods for heat treating flue gas cleaning residues and residues from the industrial process generating said flue gases |
| 02/12/1997 | EP0757585A1 Rotary device for the catalytic purification of contaminated gas effluents |
| 02/12/1997 | EP0559858B1 Method and installation for processing animal excrement and liquid manure |
| 02/12/1997 | CN2247049Y Devulcanizer for smoke circulation fludization method |
| 02/12/1997 | CN2247048Y Trough type liquid distributor |
| 02/12/1997 | CN1142785A Purification of natural gas |
| 02/12/1997 | CN1142532A Process for brewing spirit with natural poly-enzyme catalyst |
| 02/12/1997 | CN1142412A Oxidizing catalyst and process for producing the same |
| 02/12/1997 | CN1142410A Improved polymeric Membrane |
| 02/12/1997 | CN1142409A Process for desulfurization of sulfurous acid gas containing waste gas |
| 02/11/1997 | US5602279 Primary hindered aminoacids for promoted acid gas scrubbing process |
| 02/11/1997 | US5602065 Calcining raw materials and microorganisms; oxidation resistance |
| 02/11/1997 | US5601792 Atomizing nozzle for injecting mixture of dilute aqueous urea solution and compressed air into pyrolysis channel which contains separated oxidation and reduction catalysts and also receives exhaust gases |
| 02/11/1997 | US5601790 Destruction of volatile organics; afterburner having matrix bed of inert ceramic heat resistant material |
| 02/11/1997 | US5601702 Removal of acidic halides from gas streams |
| 02/11/1997 | US5601634 Temperature swing adsorption |
| 02/11/1997 | US5601633 High voltage electrical method for removing ecologically noxious substances from gases |
| 02/11/1997 | US5601632 Method and an apparatus for the purification of residual products from flue gas purification plants |
| 02/11/1997 | US5601625 Process and device for removing heavy metals and compounds containing heavy metals |
| 02/11/1997 | US5601424 Method for reducing Nox using atomizing steam injection control |
| 02/11/1997 | US5601184 Method and apparatus for use in photochemically oxidizing gaseous volatile or semi-volatile organic compounds |
| 02/11/1997 | CA2030391C Method for the fixation of carbon dioxide, apparatus for fixing and disposing carbon dioxide, and apparatus for the treatment of carbon dioxide |
| 02/09/1997 | CA2182641A1 Process for the absorption of nitrogen from gas mixtures using pressure-swing adsorption with zeolites |
| 02/09/1997 | CA2182331A1 Method and apparatus for treating combustion exhaust gases |
| 02/06/1997 | WO1997003920A1 Claus sulphur production process and installation |