| 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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| 08/13/1997 | EP0789135A1 Exhaust gas purifier |
| 08/13/1997 | EP0788829A1 Catalyst and method for catalytic reduction of nitrogen oxides |
| 08/13/1997 | EP0788828A2 NOx decomposition catalyst and exhaust gas purifier using said catalyst |
| 08/13/1997 | EP0788827A1 Column and method for purification of solvent containing gases |
| 08/13/1997 | EP0788403A1 Purification process |
| 08/13/1997 | EP0788399A2 Gas purifying composition |
| 08/13/1997 | EP0788398A1 Filter material and process for producing no 2-free gases |
| 08/13/1997 | EP0788395A1 Carbonization of halocarbons |
| 08/13/1997 | EP0703814B1 Modified drying process using inter alia superheated steam in the drying medium, and its use |
| 08/13/1997 | EP0641237B1 A vapor-liquid distribution method and apparatus |
| 08/13/1997 | EP0585316B1 Method of cleaning gases containing condensable organic pollutants |
| 08/13/1997 | CN2259219Y Spray-type single-barrel fume desulfurizing device |
| 08/13/1997 | CN2259218Y Dust settling & desulfurating device from smoke fume |
| 08/13/1997 | CN2259217Y Adsorption compressed air drying machine |
| 08/13/1997 | CN1156974A Carbonaceous adsorbent, process for producing same, and method and apparatus for gas separation |
| 08/13/1997 | CN1156973A Mass transfer method and apparatus |
| 08/13/1997 | CN1156972A Nitrogen oxide-reducing catalyst and process for reducing nitrogen oxides in exhaust gas |
| 08/13/1997 | CN1156971A Method and device for removing sulphur dioxide from gas |
| 08/13/1997 | CN1156815A 自动干燥装置 Automatic drying device |
| 08/13/1997 | CN1156688A Magnetic field type oxygen enriched air producing apparatus |
| 08/13/1997 | CN1156638A Electrolytic oxidation washing method for obtaining clean air |
| 08/13/1997 | CN1156637A Optimal pressure swing adsorption refluxing |
| 08/12/1997 | US5656557 Process for producing various gases for semiconductor production factories |
| 08/12/1997 | US5656494 Biofilter with modular trays |
| 08/12/1997 | US5656249 Exhaust gas cleaner and method for removing nitrogen oxides |
| 08/12/1997 | US5656246 Contaminant destruction by oxidation processing via enhanced ozonation |
| 08/12/1997 | US5656245 Catalytic converter for cleaning exhaust gas |
| 08/12/1997 | US5656244 Air pollution control |
| 08/12/1997 | US5656105 Calcium-aluminum system hydrogen absorbing alloy |
| 08/12/1997 | US5656068 Large capacity vacuum pressure swing adsorption process and system |
| 08/12/1997 | US5656067 VSA adsorption process with energy recovery |
| 08/12/1997 | US5656066 Adsorptive oxygen enrichment of air with mixtures of molecular sieve zeolites |
| 08/12/1997 | US5656065 Multibed pressure swing adsorption apparatus and method for the operation thereof |
| 08/12/1997 | US5656064 Exposing the gas at first pressure to a absorbent formed by impregnating alumina with basic solution having ph 9 or more, removing carbon dioxide from the gas and regenerating the absorbant by depressurization |
| 08/12/1997 | US5656063 Air pollution control |
| 08/12/1997 | US5656049 Separator suspension system for a modular air handling system |
| 08/12/1997 | US5656046 Inlet awning for high velocity absorbers |
| 08/12/1997 | US5655852 High vacuum extraction of soil contaminants along preferential flow paths |
| 08/12/1997 | CA2197276A1 Column and processes for purifying solvent-containing gases |
| 08/12/1997 | CA2120033C Improved exhaust treatment system |
| 08/12/1997 | CA1339242C Process and means for eliminating low content h s present in a gas also containing an important quantity of water vapour |
| 08/12/1997 | CA1339241C Continuous process of dry slaking lime |
| 08/07/1997 | WO1997028358A1 Method and apparatus for reducing harmful emissions from a diesel engine by post combustion catalyst injection |
| 08/07/1997 | WO1997028284A1 Steel-making method and plant |
| 08/07/1997 | WO1997027934A1 Composite membrane with a support membrane made, in particular of microporous material |
| 08/07/1997 | WO1997027932A1 Catalyst system |
| 08/07/1997 | WO1997027931A1 Apparatus for desulfurizing exhaust gas |
| 08/07/1997 | WO1997027930A2 Desulphurisation method and apparatus |
| 08/07/1997 | WO1997027929A1 Liquid spray air purification apparatus |
| 08/07/1997 | WO1997027926A2 Coilable separation elements and suitable housing with coiling drive |
| 08/07/1997 | WO1997027831A1 Methods for adsorbing nonpolar and weakly polar molecules |
| 08/07/1997 | DE19651691A1 Glass melting with simultaneous off-gas cleaning |
| 08/07/1997 | DE19631794A1 Removal of carbon di:oxide from exhaust gas of incinerators |
| 08/07/1997 | DE19604060A1 Treating liquid or gaseous media by magnetic fields |
| 08/07/1997 | DE19603862A1 Process for influencing the flow of a gas |
| 08/07/1997 | DE19603837A1 Verfahren zur H2S-Abscheidung aus einem H2S-haltigen Gas, z. B. Koksofengas, und Einrichtung zur Durchführung des Verfahrens A method of separating H 2 S from an H 2 S-containing gas, eg. As coke oven gas, and means for carrying out the method |
| 08/07/1997 | DE19603783A1 Purification of gases which fluctuate in contaminant content |
| 08/07/1997 | DE19603622A1 Umwickelbare Separationselemente und dafür geeignete Gehäuse mit Umwickelgetriebe Umwickelbare separation elements and for appropriate housing with Umwickelgetriebe |
| 08/07/1997 | DE19603613A1 System for generating mixtures corresponding to mountain atmospheres for inhalation |
| 08/07/1997 | DE19603365A1 Vitrifying flue filter dusts and waste gas scrubbing residues with high chlorine contents |
| 08/07/1997 | DE19602176A1 Perovskite able to form a temporary second phase |
| 08/07/1997 | CA2245183A1 Desulphurisation method and apparatus |
| 08/06/1997 | EP0787524A1 Device for altering a feed stock and method for making and using same |
| 08/06/1997 | EP0787522A2 Catalyst for purifying exhaust gas and process for producing the same |
| 08/06/1997 | EP0787521A1 Method and apparatus for treating combustion exhaust gases |
| 08/06/1997 | EP0787225A1 Method for minimizing solvent degradation and corrosion in amine solvent treating systems |
| 08/06/1997 | EP0787028A1 Prevention of air pollution by noxious gases and vapours |
| 08/06/1997 | EP0772485A4 Desulfurization of incondensible gases from the vacuum distillation of crude oil |
| 08/06/1997 | EP0635098B1 Device for the catalytic purification of flowing gases, especially exhaust gases of internal combustion engines |
| 08/06/1997 | CN1156495A 催化反应器 Catalytic reactor |
| 08/06/1997 | CN1156061A Improved adsorption method and system by using multiple layer adsorption bed |
| 08/05/1997 | US5655210 Corona source for producing corona discharge and fluid waste treatment with corona discharge |
| 08/05/1997 | US5654351 Contacting sodium sulfate in solution with carbon dioxide and a compound containing ammonia |
| 08/05/1997 | US5653951 Layered carbon microstructures |
| 08/05/1997 | US5653949 Catalytic oxidation catalyst and method for controlling voc, CO and halogenated organic emissions |
| 08/05/1997 | US5653944 Slurry filtration device and flue-gas desulfurization system |
| 08/05/1997 | US5653884 Maintaining solute solubility after flowing through a restrictor causing partial pressure reduction by mixing the supercritical fluid and solute with another fluid under pressure |
| 08/05/1997 | US5653788 Canister for an evaporated fuel processing device of an automobile |
| 08/05/1997 | US5653785 Flowing exhaust gases through heated column packed with heat treated sepiolite and recovering slower eluting carbon dioxide |
| 08/05/1997 | US5653105 Device for the treatment of the exhaust gases of a spark-ignition engine comprising a catalyst body and a hydrocarbons adsorber placed in an exhaust manifold |
| 08/05/1997 | US5653101 Mixing nitrogen oxide reducing fluid with air, mixing resulting fluid into exhaust gas stream upstream of turbocharger of engine, cooling, passing into contact with catalyst |
| 07/31/1997 | WO1997027168A1 Production of aromatic carboxylic acids |
| 07/31/1997 | WO1997027159A1 Separation process in which a membrane is used |
| 07/31/1997 | WO1997027042A1 Combination desiccant and heat source |
| 07/31/1997 | WO1997026991A1 Photocatalyst, method of producing the photocatalyst, and photocatalytic reaction method |
| 07/31/1997 | WO1997026981A1 Vacuum-pressure alternating adsorption process and device |
| 07/31/1997 | CA2273958A1 Production of aromatic carboxylic acids |
| 07/30/1997 | EP0786285A2 Exhaust gas purifying catalyst, and method for purifying exhaustgas |
| 07/30/1997 | EP0786284A1 A catalyst system |
| 07/30/1997 | EP0786283A1 NOX-cleaning paving block |
| 07/30/1997 | EP0786282A1 Method for SOx removal by catalytic carbon |
| 07/30/1997 | EP0786281A1 Flue gas treatment system |
| 07/30/1997 | EP0786104A1 Filter for a photothermographic developer |
| 07/30/1997 | EP0785911A1 Biological waste fluid cleaner |
| 07/30/1997 | EP0785904A1 Oxygen generating device |
| 07/30/1997 | EP0785820A1 Nitrogen oxide reducing catalyst compositions based on tantalum, vanadium, niobium, copper or antimony |
| 07/30/1997 | EP0785819A1 A method and an apparatus for optimizing the yield from a regenerable dehumidier for wet air provided with a rotor, and a flow meter, particularly for such an apparatus |
| 07/30/1997 | EP0785818A1 Multiple stage semi-permeable membrane gas separation process |
| 07/30/1997 | EP0785817A1 Storage and delivery system for gaseous compounds |
| 07/30/1997 | EP0739236A4 Metallo-oxomeric scrubber compositions, and method of gas purification utilizing same |