| 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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| 04/13/1999 | CA2070162C Single spray level for flue gas desulfurization system |
| 04/11/1999 | CA2249909A1 Process for destroying organic halogen compounds in dust-laden gases at low temperature |
| 04/09/1999 | CA2247682A1 A process for the separation/recovery of gases |
| 04/09/1999 | CA2247496A1 Multi-stage process for the separation/recovery of gases |
| 04/08/1999 | WO1999017006A1 Honeycomb body structure with supporting sections |
| 04/08/1999 | WO1999017005A1 Method and device for cleaning exhaust gases in a combustion system |
| 04/08/1999 | WO1999016542A1 Microchannel laminated mass exchanger and method of making |
| 04/08/1999 | WO1999016536A1 Dehumidifying pouch |
| 04/08/1999 | WO1999016529A2 Apparatus and method for forming oxygen-enriched gas and compression thereof for high-pressure mobile storage utilization |
| 04/08/1999 | DE19830829C1 NOX storage catalyst regeneration process |
| 04/08/1999 | DE19816311A1 Monitoring of water separation from compressed air |
| 04/08/1999 | DE19745598A1 Preparation of bonded glass fiber article e.g. for absorbing oil |
| 04/08/1999 | DE19744260A1 Compressed air dewatering process |
| 04/08/1999 | DE19742319A1 Method of Compressed and liquefied nitrogen as a propulsion medium for vehicles |
| 04/08/1999 | DE19741199A1 Statischer Mischer Static mixer |
| 04/08/1999 | DE19717890C1 Silent discharge from selectively-doped, porous silicon carbide electrode, treating variety of flue- and exhaust gases |
| 04/08/1999 | DE19717889C1 Silent discharge from selectively-doped, porous silicon carbide electrode, treating variety of flue- and exhaust gases |
| 04/08/1999 | DE19717887C1 Tuned silent discharge treatment destroying pollutants in flue- and exhaust gases |
| 04/08/1999 | CA2305424A1 Dehumidifying pouch |
| 04/07/1999 | EP0907010A2 Method and apparatus for operating a lean-burn internal combustion engine |
| 04/07/1999 | EP0906779A1 Process and apparatus for eliminating carbon monoxide and/or hydrogen from an air stream |
| 04/07/1999 | EP0906495A1 Hybrid mounting system for pollution control devices |
| 04/07/1999 | EP0906450A1 Bioreactor process for the continuous removal of organic compounds from a vapor phase process stream |
| 04/07/1999 | EP0906244A1 Cerium oxide and zirconium oxide based composition, method of preparation and utilisation in catalysis |
| 04/07/1999 | EP0906149A1 Nitrogen oxide traps |
| 04/07/1999 | EP0906148A1 PROCESS FOR REGULATING OR CONTROLLING THE NO x? CONTENT OF EXHAUST GASES GIVEN OFF DURING THE OPERATING OF GLASS MELTING FURNACES WITH SEVERAL BURNERS RUN ALTERNATELY |
| 04/07/1999 | EP0906147A1 Catalytic reactor for the decomposition of ozone |
| 04/07/1999 | EP0906146A1 Process for destroying chlorinated aromatic compounds |
| 04/07/1999 | EP0906145A1 Photocatalyst |
| 04/07/1999 | EP0786104B1 Filter for a photothermographic developer |
| 04/07/1999 | EP0656809B1 A PROCESS FOR REMOVING NOx FROM COMBUSTION ZONE GASES BY ADSORPTION |
| 04/07/1999 | CN1213327A Chemical sorbent and method of making and using same |
| 04/07/1999 | CN1212903A Mercury removal catalyst and method of making and using same |
| 04/07/1999 | CN1212898A Processes for treatment of flue gas desulfurization waste water |
| 04/06/1999 | US5891711 Bioremediation apparatus for the removal of volatile organic compounds in hydrocarbon contaminated vapors |
| 04/06/1999 | US5891574 Polyazacycloalkanes, tri-, tetra- or penta-azamacrocyclic complexes, processs for the production of these substituted or unsubstituted polyazacycloalkanes grafted to a support and uses of polyazacycloalkanes and the aforementioned complexes |
| 04/06/1999 | US5891572 Method of preparing membranes from blends of polymers |
| 04/06/1999 | US5891415 Continuous processing |
| 04/06/1999 | US5891411 Method for purifying exhaust from wood manufacturing processes |
| 04/06/1999 | US5891410 Process for the purification of an oxidation off gas |
| 04/06/1999 | US5891409 Pre-converted nitric oxide gas in catalytic reduction system |
| 04/06/1999 | US5891408 Scrubbing and circulation a transition metal chelate such as iron edta and complexes with nitrogen oxide |
| 04/06/1999 | US5891404 Exhaust gas treatment unit |
| 04/06/1999 | US5891402 Catalyst retaining apparatus and use in an ozone filter |
| 04/06/1999 | US5891345 Destroying organic compounds |
| 04/06/1999 | US5891328 Membrane-frame for processes including electrodialysis |
| 04/06/1999 | US5891323 Purification process |
| 04/06/1999 | US5891223 Multi-stage vent filter |
| 04/06/1999 | US5891221 Chemical reagent package and method of operation effective at removing a wide range of odors |
| 04/06/1999 | US5891220 Especially hopcalite |
| 04/06/1999 | US5891219 Two stage rotary concentrator |
| 04/06/1999 | US5891218 Pressure swing absorption using zeolite |
| 04/06/1999 | US5891217 A rotary valve system which includes of a pair of valve assemblies |
| 04/06/1999 | US5890376 Helium recycling for optical fiber manufacturing |
| 04/06/1999 | US5890372 Air conditioning system for cooling warm moisture-laden air |
| 04/06/1999 | US5890361 Exhaust gas fluidics apparatus |
| 04/06/1999 | CA2070630C Method and apparatus for effecting gas-liquid contact |
| 04/06/1999 | CA2060518C Active composite and use thereof as the reaction medium |
| 04/06/1999 | CA2057564C Honeycomb heater and catalytic converter |
| 04/06/1999 | CA2041874C Separation of ethane from methane by pressure swing adsorption |
| 04/06/1999 | CA2001350C Process for producing hydrated and cured product of lime-gypsum-coal ash mixture |
| 04/01/1999 | WO1999015277A1 Process for recycling old cars |
| 04/01/1999 | WO1999015272A1 Catalytically active permeable composite material, method for producing said composite material, and use of the same |
| 04/01/1999 | WO1999015269A1 Packing brick for exchange column |
| 04/01/1999 | WO1999015267A1 Corona discharge reactor |
| 04/01/1999 | WO1999015262A1 Permeable composite material, method for producing said composite material, and use of the same |
| 04/01/1999 | WO1999015260A1 Method for separating mixtures of substances using a material pervious to said substances |
| 04/01/1999 | WO1999015259A1 Filter for gases |
| 04/01/1999 | WO1999015257A1 Gas filter, method for producing a gas filter and use of said gas filter |
| 04/01/1999 | WO1999000588A3 Method and apparatus for injecting hydrogen into a catalytic converter |
| 04/01/1999 | DE19840513A1 Treatment of process gases from a wood pulp plant |
| 04/01/1999 | DE19743196A1 Automotive catalytic converter has mantle lining compensating for differential radial forces |
| 04/01/1999 | DE19742214A1 Verfahren zur Verwertung von Altautos Process for the recovery of scrap cars |
| 04/01/1999 | CA2303991A1 Corona discharge reactor |
| 04/01/1999 | CA2297027A1 Packing brick for exchange column |
| 04/01/1999 | CA2272318A1 Method for separating mixtures of substances using a material pervious to said substances |
| 04/01/1999 | CA2272314A1 Gas filter, method for producing a gas filter and use of said gas filter |
| 03/31/1999 | EP0905356A2 NOx reduction system with a reducing agent metering device |
| 03/31/1999 | EP0905355A2 Exhaust apparatus for an internal combustion engine |
| 03/31/1999 | EP0905354A2 Exhaust gas purifying catalyst and system and method of producing the catalyst |
| 03/31/1999 | EP0904835A2 Alloy catalyst based on coated metal particles and process for producing the same |
| 03/31/1999 | EP0904827A1 Catalyst-adsorbent for exhaust gas purification and method for exhaust gas purification |
| 03/31/1999 | EP0904826A2 An air intake apparatus for semiconductor fabricating equipment |
| 03/31/1999 | EP0904825A2 Removal of carbon dioxide from air |
| 03/31/1999 | EP0904824A2 Gas purification method with thermal regeneration |
| 03/31/1999 | EP0904823A2 Gas purification method |
| 03/31/1999 | EP0904608A2 Thermally enhanced compact reformer |
| 03/31/1999 | EP0904482A1 Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine |
| 03/31/1999 | EP0848640B1 Process and device for scrubbing acidic gases |
| 03/31/1999 | EP0720781B1 Method and apparatus for oxidizing carbon monoxide in the reactant stream of an electrochemical fuel cell |
| 03/31/1999 | EP0582632B1 Process and apparatus for removal of h2s from gaseous streams using membrane purification of recycle solution |
| 03/31/1999 | CN2312064Y Single adsorption and pressure control type nitrogen producing equipment |
| 03/31/1999 | CN1212753A Combustion equipment for flue gas exhausting plants |
| 03/31/1999 | CN1212177A Drying agent chip and its preparing method |
| 03/31/1999 | CN1212176A Hybrid solid electrolyte ionic conductor systems for purifying inert gases |
| 03/31/1999 | CN1212175A Process for shut-down of membrane operation |
| 03/31/1999 | CN1212174A Process for separating gas mixture by pressure swing adsorption |
| 03/31/1999 | CN1212173A Reactor for chemical reaction, especially in adsorption separation process |
| 03/30/1999 | USRE36171 Catalytic converter for converting reactants of a gas mixture |
| 03/30/1999 | US5888926 Oxidation an organometallic compound |