| 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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| 12/01/1999 | EP0959862A1 Hypoxic room system and equipment for hypoxic training and therapy |
| 12/01/1999 | EP0876194B1 Filter or catalytic-converter device |
| 12/01/1999 | EP0859659B1 Method of removing nitrogen oxides from a gas flow |
| 12/01/1999 | EP0858437B1 Ecologically compatible water-based mullite sols, mullite compositions and methods of making the same |
| 12/01/1999 | EP0839264B1 Process and device for introducing a fluid into an exhaust gas purification system |
| 12/01/1999 | EP0830202B1 Copper-silver zeolite catalysts |
| 12/01/1999 | CN1237124A Method and apparatus for purification of argon |
| 12/01/1999 | CN1237115A Air-cleaning filter, method of producing same, and high-level cleaning device using air-cleaning filter |
| 12/01/1999 | CN1236757A Preparation of spinel extrudates |
| 12/01/1999 | CN1236663A Apparatus for absorbing SO2 from fume by seawater method |
| 12/01/1999 | CN1236662A Method for decreasing sulfuric acid and sulfuric anhydride present in combustion exhaust gas, and combustion exhaust gas flow system |
| 12/01/1999 | CN1236661A Process for removal of water from evacuated chambers or from gases |
| 12/01/1999 | CN1046864C Solid multi-component membranes for electrochemical reactor |
| 12/01/1999 | CN1046863C Composition and methid for reducing SOx by injection of calcium-based slurries in-furnace |
| 12/01/1999 | CA2266228A1 A pneumatically controlled oxygen producer by pressure swing adsorption |
| 11/30/1999 | US5994260 Catalytic exhaust system |
| 11/30/1999 | US5993765 Process for the dry desulfurization of a combustion gas |
| 11/30/1999 | US5993764 Bea zeolite which is ion-exchanged with co to have a co/al ratio between 0.2 and 0.6 and is loaded with at least one metal selected from among ca, sr, ba, la, mn, ag, in, and ni. |
| 11/30/1999 | US5993763 Catalyst and process for decomposing HCN in gases |
| 11/30/1999 | US5993762 Method of using catalyst containing noble metal and cerium dioxide |
| 11/30/1999 | US5993760 Bulk nitrogen purification process that requires no hydrogen in the regeneration |
| 11/30/1999 | US5993688 Package containing a carrier having a metal-loaded cation exchange material wherein the metal is incorporated into said material by cation exchange of a metal ion and reduction of said metal ion to its zero-valence state. food preservation. |
| 11/30/1999 | US5993640 Method of measuring the CaCO3 content of a scrubbing suspension, especially for a flue gas desulfurizing absorber |
| 11/30/1999 | US5993612 Process for purifying a gas and apparatus for the implementation of such a process |
| 11/30/1999 | US5993608 Process for recovering processing liquids |
| 11/30/1999 | US5993522 Compressed air strainer and drying treatment |
| 11/30/1999 | US5993517 Two stage pressure swing adsorption process |
| 11/30/1999 | US5993516 Clinoptilolite having a sodium ion content of at least 17 equivalent percent of the total ion exchangeable cations |
| 11/30/1999 | US5992142 No exhaust emission control method and arrangement |
| 11/30/1999 | US5992141 Ammonia injection in NOx control |
| 11/30/1999 | CA2173810C Integrated steam methane reforming process for producing carbon monoxide |
| 11/30/1999 | CA2173802C Integrated steam methane reforming process for producing carbon monoxide and hydrogen |
| 11/30/1999 | CA2172167C Method and apparatus for oxidizing carbon monoxide in the reactant stream of an electrochemical fuel cell |
| 11/30/1999 | CA2172166C Electrochemical fuel cell assembly with integral selective oxidizer |
| 11/30/1999 | CA2171667C Compositions capable of operating under high oxygen partial pressures for use in solid-state oxygen producing devices |
| 11/30/1999 | CA2077121C Process for removing nox and sox from exhaust gas |
| 11/30/1999 | CA2050260C Electrochemical process and apparatus for reducing oxidants of vehicle interior air |
| 11/27/1999 | CA2271546A1 Method and apparatus for the purification of waste gas of a drying apparatus |
| 11/25/1999 | WO1999060255A1 Exhaust system |
| 11/25/1999 | WO1999059943A1 Olefin purification by adsorption of acethylenics and regeneration of adsorbent |
| 11/25/1999 | WO1999059916A1 Process for adsorbing a gas |
| 11/25/1999 | WO1999059705A1 Process and materials for removing pollutants |
| 11/25/1999 | WO1999059704A1 Method and apparatus for cleaning flue gases |
| 11/25/1999 | WO1999059703A1 Method for wet flue gas desulfurization and device for implementing said method |
| 11/25/1999 | WO1999059702A1 A membrane and use thereof |
| 11/25/1999 | WO1999059701A1 Sorbent-based gas storage and delivery system for dispensing high-purity gas |
| 11/25/1999 | WO1999059700A1 Low concentration gas delivery system utilizing sorbent-based gas storage and delivery system |
| 11/25/1999 | DE19836250C1 Exhaust for motor vehicle internal combustion engine |
| 11/25/1999 | DE19830470C1 Regenerative system for the adsorption of metabolically produced CO2 |
| 11/25/1999 | DE19830342C1 Monolithic catalyst used for purifying exhaust gas from combustion plant |
| 11/25/1999 | DE19822591A1 Device for removing nitrogen in IC engines |
| 11/25/1999 | DE19822280A1 Oxidation of carbon monoxide using ruthenium oxide hydrate catalyst |
| 11/25/1999 | DE19817703A1 High-permeability filter bed with adsorptive properties, used e.g. for simultaneous adsorption of different types of substances |
| 11/25/1999 | DE19817596C1 Gas scrubber used in the absorption of nitrous gases in water during the production of nitric acid |
| 11/25/1999 | DE19813655A1 Speichermaterial für Schwefeloxide, Verfahren zu dessen Herstellung und Verwendung Storage material for sulfur oxides, process for its preparation and use |
| 11/25/1999 | DE19813171C1 Verfahren zur Herstellung von Spinell-Extrudaten A process for preparing spinel extrudates |
| 11/25/1999 | CA2332504A1 Olefin purification by adsorption of acethylenics and regeneration of adsorbent |
| 11/24/1999 | EP0958859A1 Plasma reactor |
| 11/24/1999 | EP0958851A1 Air cleaning filter |
| 11/24/1999 | EP0958629A1 Device and method for combined purification and compression of hydrogen containing co and the use thereof in fuel cell assemblies |
| 11/24/1999 | EP0958579A1 Device for recombining hydrogen in a gas mixture |
| 11/24/1999 | EP0958335A1 Additive to be sprayed into the combustion chambers of heating plants and process for preventing high temperature corrosion |
| 11/24/1999 | EP0958237A1 Process for removal of hydrogen cyanide from synthesis gas |
| 11/24/1999 | EP0958097A2 Method for burning, welding and/or cutting metal materials using a shielding gas |
| 11/24/1999 | EP0958060A1 Method and device for producing a solid aerosol |
| 11/24/1999 | EP0958053A2 Method and device for producing a honeycomb body |
| 11/24/1999 | EP0958034A1 A method for removing mercury and sulphur dioxide from gases |
| 11/24/1999 | EP0958033A1 Rotating distributor assembly for fluid flow |
| 11/24/1999 | EP0958029A1 Method of manufacturing thin metal membranes |
| 11/24/1999 | EP0678055B1 Desiccant-coated substrate and method of manufacture |
| 11/24/1999 | EP0671211B1 Catalyst for exhaust emission control and method for producing the same |
| 11/24/1999 | CN2350112Y Water jet dedusting desulfurizing device |
| 11/24/1999 | CN2350111Y High-efficiency desulfurizing dust-collector |
| 11/24/1999 | CN1235932A CO2 purification system |
| 11/24/1999 | CN1235931A Process for recovering carbon dioxide in glutamic acid fermentation |
| 11/24/1999 | CN1235869A Adsorbent having heterogeneous exchange factor and PSA process employing such adsorbent |
| 11/24/1999 | CN1235864A Method and device for treating organic pollution gas |
| 11/24/1999 | CN1235863A High efficiency flexible variable-pressure adsorption technology |
| 11/24/1999 | CN1235862A Variable-pressure adsorption separating method for simultaneously purifying easy-to-adsorb phase and difficult-to-adsorb phase |
| 11/24/1999 | CN1235861A Variable pressure gas adsorbing separator |
| 11/24/1999 | CN1046638C Catalytic decomposition process of nitrous oxide pure or contained in gaseoud mixtures |
| 11/23/1999 | US5990783 Ozone/supersonic wave insect expelling device |
| 11/23/1999 | US5990374 Methods for the heat treatment of residues of the cleaning of fumes and residues of the industrial process emitting these fumes |
| 11/23/1999 | US5990373 Purification, detoxification |
| 11/23/1999 | US5990106 Antibiotics; 3-azabicyclo(3.2.0)hept-3-yl group joined at given position of a pyridonecarboxylic acid residue, such as 7-(1-amino-3-azabicyclo(3.2.0)hept-3-yl)-1-cyclopropyl-6,8-difluoro-1,4 -dihydro-4-oxoquinoline-3-carboxylic acid |
| 11/23/1999 | US5990038 Catalyst for purifying oxygen rich exhaust gas |
| 11/23/1999 | US5989513 Biologically assisted process for treating sour gas at high pH |
| 11/23/1999 | US5989507 Catalyst composition |
| 11/23/1999 | US5989506 Process for the removal and recovery of mercury from hydrocarbon streams |
| 11/23/1999 | US5989501 Plant for the production of hydrogen and of energy |
| 11/23/1999 | US5989316 Rapid nitrogen adsorption relative to methane using heat resistant barium exchanged alkali titanium silicate molecular sieve |
| 11/23/1999 | US5989315 Vacuum swing adsorption to separate oxygen-enriched gas stream from air where vacuum is drawn by flow of pressurized steam raised by heat evolved from combustion using some of the separated oxygen |
| 11/23/1999 | US5989314 Pressure swing adsorption air prepurifier |
| 11/23/1999 | US5989313 Method for operation of an air prepurifier which takes into account inlet air conditions |
| 11/23/1999 | US5989312 Detecting load of compressor supplying gas mixture to be separated across permeable membrane and increasing the membrane operating temperature during periods when compressor capacity is underutilized |
| 11/23/1999 | US5988165 Apparatus and method for forming oxygen-enriched gas and compression thereof for high-pressure mobile storage utilization |
| 11/23/1999 | US5988115 SCR reactant injection grid |
| 11/23/1999 | US5987918 Compression, purification, distillation |
| 11/23/1999 | US5987884 Exhaust gas purification device |
| 11/23/1999 | US5987882 Turbocharger and oxidation catalyst |