| 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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| 01/05/1999 | US5855650 Purification of gases using solid adsorbents |
| 01/05/1999 | US5855648 Solid electrolyte system for use with furnaces |
| 01/05/1999 | US5855647 Process for recovering SF6 from a gas |
| 01/05/1999 | US5855646 Method and device to monitor nitrogen gas purity during the manufacture and dispensing of nitrogen gas |
| 01/05/1999 | US5855636 Method which removes odor and pollutants when preparing cullet for use in an electrostatic bed filter |
| 01/05/1999 | US5855201 Gas exchange apparatus |
| 01/05/1999 | US5855198 Canister system |
| 01/05/1999 | US5855111 Nitrogen oxide removal control apparatus |
| 01/05/1999 | CA2151229C Ammonia decomposition catalysts |
| 01/05/1999 | CA2079757C Process for the recovery of hydrogen and sulfur from a feedstock |
| 01/05/1999 | CA1340304C Catalyst for the processing of internal combustion engine exhaust gases,process for producing said catalyst |
| 01/05/1999 | CA1340303C Catalyst support and catalyst for the processing of internal combustion engine exhaust gases, process for producing said catalyst |
| 01/04/1999 | CA2241292A1 Process and device for anti-odour treatment of the air |
| 12/30/1998 | WO1998059204A2 Method and device for air separation |
| 12/30/1998 | WO1998059094A1 Plant for removing fluor containing waste gases |
| 12/30/1998 | WO1998059021A1 Method and device for drying a gas |
| 12/30/1998 | WO1998058726A1 Bulk separation of carbon dioxide from methane using natural clinoptilolite |
| 12/30/1998 | EP0887429A1 Process and apparatus for treating heavy metals and halogenated hydrocarbons containing materials by thermal evaporation in vacuum |
| 12/30/1998 | EP0887099A2 Process for separating oxygen from a gas mixture using a solid electrolyte membrane |
| 12/30/1998 | EP0851839A4 Method of manufacturing high purity calcium carbonate |
| 12/30/1998 | EP0775060B1 Device for removing noxious and aromatic matter from an air flow into the interior of a vehicle |
| 12/30/1998 | CN1203537A Method of treating or recovering gaseous hydrocarbon contained in waste gas |
| 12/30/1998 | CN1203536A Self-purging electrostatic gun for charging dry sorbent into polluted streams |
| 12/30/1998 | CN1203350A Enhanced refrigerant recovery system |
| 12/30/1998 | CN1203187A Process for preparing high-purity hydrogen by converting methanol aqueous vapour |
| 12/30/1998 | CN1203118A Gas-liquid contact apparatus |
| 12/30/1998 | CN1203117A Decoupled recirculating fluidized bed combustion system and its desulfurizing and denitrating process |
| 12/30/1998 | CN1203116A Exhaust gas treatment apparatus and exhaust gas treatment equipment |
| 12/30/1998 | CN1203115A Distributor device for column |
| 12/30/1998 | CA2295205A1 Method and device for drying a gas |
| 12/29/1998 | US5854173 Flake shaped sorbent particle for removing vapor phase contaminants from a gas stream and method for manufacturing same |
| 12/29/1998 | US5854079 Method for detection of performance reduction of exhaust gas purification catalyst |
| 12/29/1998 | US5853902 Metal honeycomb core body |
| 12/29/1998 | US5853684 Catalytic removal of sulfur dioxide from flue gas |
| 12/29/1998 | US5853683 Hybrid SCR/SNCR process |
| 12/29/1998 | US5853681 Absorbents |
| 12/29/1998 | US5853680 Process for the removal of highly concentrated carbon dioxide from high-pressure natural gas |
| 12/29/1998 | US5853679 Removal of nitrogen oxide from exhaust gas |
| 12/29/1998 | US5853678 Method for removing hydrides, alkoxides and alkylates out of a gas using cupric hydroxide |
| 12/29/1998 | US5853598 Process for treating waste water of flue gas desulfurization |
| 12/29/1998 | US5853460 Air purifier using plant root interaction |
| 12/29/1998 | US5853458 Glycol solvents and method thereof |
| 12/29/1998 | US5853457 Filter material and process for removing ozone from gases and liquids |
| 12/29/1998 | US5853455 Vapor recovery system with continuous inlet monitoring |
| 12/29/1998 | US5852925 Method for producing oxygen and generating power using a solid electrolyte membrane integrated with a gas turbine |
| 12/29/1998 | CA2150376C Adsorption for nitrogen oxides, and exhaust emission control catalyst |
| 12/29/1998 | CA2148527C Vacuum swing adsorption process with mixed repressurization and provide product depressurization |
| 12/29/1998 | CA2109659C Emission reduction process for moving fluidized bed equipment |
| 12/29/1998 | CA2043162C Installation for the treatment of flows of liquids with monophase contactor and recirculating-degassing device for such an installation |
| 12/24/1998 | DE19743720C1 Cost effective production of iron alloy foil with high resistance to high temperature oxidation |
| 12/24/1998 | DE19725854A1 Nitrogen mon:oxide disposal from pollutant gas |
| 12/24/1998 | DE19724545A1 Speicherkatalysator Storage catalyst |
| 12/24/1998 | CA2239390A1 Desulfurization process for flue gases |
| 12/23/1998 | WO1998058418A1 Membrane for selective transport of oxygen over water vapor and metal-air electrochemical cell including said membrane |
| 12/23/1998 | WO1998058219A1 Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator |
| 12/23/1998 | WO1998057889A1 Crystalline phosphorus-containing molecular sieves |
| 12/23/1998 | WO1998057733A1 Membrane module with unilaterally embedded hollow fiber membranes |
| 12/23/1998 | WO1998057731A1 Method for desulfurizing off-gases |
| 12/23/1998 | WO1998057730A1 An air drier arrangement |
| 12/23/1998 | WO1998057729A1 Method and device for supplying several working gases, and its application to an installation for assembling electronic components |
| 12/23/1998 | WO1998057728A1 Pressure swing adsorption apparatus and method |
| 12/23/1998 | WO1998057727A1 Gas separation by continuous pressure-swing chromatography |
| 12/23/1998 | EP0886044A1 An exhaust gas purification device |
| 12/23/1998 | EP0886043A1 Mixture delivery device |
| 12/23/1998 | EP0886042A1 Process and assembly for removing nitrogen oxides which are present in exhaust gases |
| 12/23/1998 | EP0886041A2 System for exhaust gas purification |
| 12/23/1998 | EP0886040A2 System for exhaust gas purification |
| 12/23/1998 | EP0885842A1 Process for preparing silica gel and process for producing dehumidifying element |
| 12/23/1998 | EP0885841A1 System and method for collecting and refining SF6 gas |
| 12/23/1998 | EP0885657A2 Catalyst composite |
| 12/23/1998 | EP0885650A2 Exhaust gas purifying catalyst for combustion engines with two catalytically active layers on one support structure |
| 12/23/1998 | EP0885649A1 Process for the denitration of combustion exhaust gases |
| 12/23/1998 | EP0885648A1 A treatment method for decomposing fluorine compounds, and catalyst and apparatus therefor |
| 12/23/1998 | EP0885647A2 Apparatus for the dissociation of nitrogen oxides in exhaust gas from combustion engines |
| 12/23/1998 | EP0885646A1 Particle size and bed height of a pressure swing adsorption unit |
| 12/23/1998 | EP0885645A2 Oxygen concentrator |
| 12/23/1998 | EP0885053A1 Composite metal oxide support for exhaust gas conversion catalysts |
| 12/23/1998 | EP0885051A1 A process of and a device for producing a gas, containing at least one component, from a gas mixture |
| 12/23/1998 | EP0885050A1 Cylindrical vessel for separation |
| 12/23/1998 | EP0885049A1 Method and plant for treating a gas mixture by pressure-swing adsorption |
| 12/23/1998 | EP0885048A1 Desiccant cartridge |
| 12/23/1998 | EP0885032A1 Process for microbial decomposition of harmful substances in media charged with harmful substances, and micro-organisms suitable for this purpose |
| 12/23/1998 | EP0884960A1 Membranes of polyurethane based materials including polyester polyols |
| 12/23/1998 | EP0790856B1 Process for treating h 2s containing gas streams |
| 12/23/1998 | EP0777629B1 Method and apparatus for the purification of gases and liquids |
| 12/23/1998 | CN2301252Y Apparatus for preparing oxygen-enriched air and low-oxygen air by membrane separation |
| 12/23/1998 | CN1202390A Integrated method and apparatus for semi-dry fume desulfuration and magnetic fertilizer production |
| 12/23/1998 | CN1202389A Additive for first class plasma desulfuration |
| 12/23/1998 | CN1202388A Method for desulfurating by bauxite |
| 12/23/1998 | CN1202385A Method for trapping and concentrating Li+ from Li+ containing dilution solution in ion exchanging system |
| 12/23/1998 | CA2295443A1 Method for desulfurizing off-gases |
| 12/23/1998 | CA2294258A1 Membrane for selective transport of oxygen over water vapor and metal-air electrochemical cell including said membrane |
| 12/23/1998 | CA2293809A1 An air drier arrangement |
| 12/23/1998 | CA2241015A1 Method for cooling polluted gas |
| 12/22/1998 | US5852274 Electrically heatable catalytic converter |
| 12/22/1998 | US5851950 Catalytic oxidation of organic nitrogen containing compounds |
| 12/22/1998 | US5851948 Supported catalyst and process for catalytic oxidation of volatile organic compounds |
| 12/22/1998 | US5851501 Process for absorbing and desorbing nitrogen oxides in exhaust gases |
| 12/22/1998 | US5851403 Ceramic honeycomb and method |
| 12/22/1998 | US5851389 Apparatus for removing a contaminant from a fluid stream |