| 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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| 07/11/2001 | CN1302683A Two-segment desulfurizing method for high-temp combustion |
| 07/11/2001 | CN1068243C Slurry thickening tank and absorption tower for use in wet flue gas desulfurization systems |
| 07/11/2001 | CN1068242C Acid emission reduction |
| 07/11/2001 | CN1068241C Refrigerant temp. controller for freezing type air drier |
| 07/10/2001 | US6258993 Simulated countercurrent moving bed chromatographic reactor and method for use thereof |
| 07/10/2001 | US6258436 Catalyst body |
| 07/10/2001 | US6258336 Method and apparatus for NOx reduction in flue gases |
| 07/10/2001 | US6258335 With ribulose 1,5-biphosphate in situ conversion to 3-phosphoglyceraldehyde; controlling carbon dioxide emission |
| 07/10/2001 | US6258334 Mercury removal catalyst and method of making and using same |
| 07/10/2001 | US6258328 Support with surrounding jacket; structure formed of partially profiled metal sheet stacks forming through-flow channels for gases; used for purifying emissions from a combustion engine |
| 07/10/2001 | US6258300 Activated carbon fiber composite material and method of making |
| 07/10/2001 | US6258271 Hollow membranes with capillary tubes |
| 07/10/2001 | US6258152 PSA process using an aggregated adsorbent consisting of a zeolite phase and a binder |
| 07/10/2001 | US6258151 Method and apparatus for the purification and reuse of waste air mixed with additives (for example, solvents) or impurities |
| 07/10/2001 | US6257157 Refuse incineration plant and exhaust gas filtration system and method for use therewith |
| 07/10/2001 | US6257018 PFC recovery using condensation |
| 07/10/2001 | US6256984 System for reduction of harmful exhaust emissions from diesel engines |
| 07/10/2001 | CA2042003C Purifier and process using adsorption of air to be distillated |
| 07/07/2001 | CA2330360A1 Low pressure ratio vpsa plant tuning and balancing system |
| 07/05/2001 | WO2001048423A1 Partial oxidation of hydrogen sulphide |
| 07/05/2001 | WO2001048422A1 Partial oxidation of hydrogen sulphide containing gas |
| 07/05/2001 | WO2001047634A1 Zeolite/alumina catalyst support compositions and method of making the same |
| 07/05/2001 | WO2001047630A1 Stripping process with fully distributed openings on baffles |
| 07/05/2001 | US20010007048 Dissolved oxygen levels prevent deterioration of absorber (faujasite-type zeolite); recovering high purity isomers |
| 07/05/2001 | US20010006934 Carrier, hydrocarbon (HC) trap layer, and catalyst layers comprising an inner layer on the HC trap layer and an outer layer on the inner layer, where there is more catalyst noble metal on the outer layer; better performance during warm-up |
| 07/05/2001 | US20010006933 Photocatalyst granules and method of preparing the same |
| 07/05/2001 | US20010006929 Washing in solution with surfactant |
| 07/05/2001 | US20010006809 Enriched culture |
| 07/05/2001 | US20010006717 Process for coating a ceramic honeycomb body |
| 07/05/2001 | US20010006614 Process for recovery and recycle of ammonia from an acrylonitrile reactor effluent stream using an ammonium phosphate quench system |
| 07/05/2001 | US20010006613 Such as to inhibit discharge of dioxins, by dedusting incinerator exhaust gases with dust collector or cyclone, treating with a catalyst and then with a ceramic filter |
| 07/05/2001 | US20010005988 Engine control system and method with lean catalyst and particulate filter |
| 07/05/2001 | DE19963305A1 Regenerating drying agent, e.g. triethylene glycol used in gas drying, comprises heating the drying agent with a heat carrier agent to remove moisture |
| 07/05/2001 | DE19962575A1 Generalized exhaust and flue gas purification comprises use of scrubber in which water is atomized, and conventional filters to purify water |
| 07/05/2001 | DE19961437A1 Verfahren und Anlage zur Gewinnung von brennbarem Gas aus insbesondere Klärschlamm Method and apparatus for recovering combustible gas from sewage sludge particular |
| 07/05/2001 | DE19960976A1 Unit for catalytic reduction of nitrogen oxides in engine exhaust gases includes stacked-foil micro-reactor heat exchanger, fed with ammonia-release compound |
| 07/05/2001 | DE19960430A1 Cleaning system, for exhaust gas from internal combustion motor, has sulfur oxide trap and nitrogen oxide adsorption stage to prevent sulfur contamination of catalyst |
| 07/05/2001 | DE19960075A1 High pressure gasification of wastes and residues containing halogens comprises bringing raw gas into contact with water and evaporating water to saturate gas with steam |
| 07/05/2001 | DE19958483A1 Poultry house effluent air filter has two chambers separated by gas-permeable panel continually moistened by pumped supply of dilute acid |
| 07/05/2001 | DE10044406A1 Wasserstoff-Separator und Verfahren zu seiner Herstellung Hydrogen separator and process for its preparation |
| 07/05/2001 | DE10003090A1 SCR catalyst apparatus for reducing nitrogen oxides, comprises two sections made from catalyst-coated grooved plates in stacked assemblies |
| 07/05/2001 | DE10002933C1 Iron-chromium-aluminum foil production, used e.g. as support material for exhaust gas treatment catalysts, comprises coating one or both sides of supporting strip with aluminum or aluminum alloys, and carrying out homogenizing treatment |
| 07/05/2001 | DE10000108A1 Verfahren zur Herstellung eines Wabenkörpers unter Verwendung schon mit Wash-Coat beschichteter Blechfolien A process for producing a honeycomb body using already coated with wash coat metal sheets |
| 07/05/2001 | DE10000018A1 Reactor vessel has inner lining made of small strips or tiles of material resisting high temperatures and poor thermal conductivity |
| 07/05/2001 | CA2394302A1 Partial oxidation of hydrogen sulphide |
| 07/05/2001 | CA2394301A1 Partial oxidation of hydrogen sulphide containing gas |
| 07/04/2001 | EP1113156A2 An exhaust purification device of an engine |
| 07/04/2001 | EP1113155A2 An exhaust purification device of an engine |
| 07/04/2001 | EP1112970A1 Process and device for the production of combustible gas out of sewage sludge |
| 07/04/2001 | EP1112958A1 Process for separating chlorosilanes from gas streams |
| 07/04/2001 | EP1112774A2 Catalyst body |
| 07/04/2001 | EP1112772A1 Process for disposing of exhaust gases |
| 07/04/2001 | EP1112752A2 An odor removing apparatus and a refrigerating apparatus using the same |
| 07/04/2001 | EP1112301A1 Ion-exchange polymers |
| 07/04/2001 | EP1112175A1 Desiccant blended in a thermoplastic |
| 07/04/2001 | EP1112118A1 Method for purifying gaseous effluents by means of photocatalysis, installation for carrying out said method |
| 07/04/2001 | EP1112117A1 Catalytic converter for removing ozone having anodized and washcoat layers |
| 07/04/2001 | EP1112116A1 Oxygen enriched air supply apparatus |
| 07/04/2001 | EP1112115A1 Valve free oxygen concentrator |
| 07/04/2001 | EP0984826B1 Autothermic reactor comprising oxygen ion conducting dense ceramic membrane and process using the autothermic reactor for producing synthesis gas |
| 07/04/2001 | EP0964904B1 Olefin purification by adsorption of acetylenics and regeneration of adsorbent |
| 07/04/2001 | EP0921849B1 Process and apparatus for purification of nitrogen oxides containing exhaust gases |
| 07/04/2001 | EP0914193B1 Catalytic incineration process and catalyst composition useful therefor |
| 07/04/2001 | EP0891809B1 Adsorbent |
| 07/04/2001 | CN2437992Y Comprehensive tail gas purifying device for refuse incineration |
| 07/04/2001 | CN2437393Y Gas separating apparatus |
| 07/04/2001 | CN2437392Y Integrated smoke-eliminating, dust-reducing, desulfurizing, denitrifying and energy-saving device |
| 07/04/2001 | CN1302226A Zinc aluminate with high specific surface area, preparation method and use for treating motor vehicle exhaust gases |
| 07/04/2001 | CN1302222A Method for purifying waste gases |
| 07/04/2001 | CN1302221A Catalyst member having electric arc sprayed substrates and methods of making the same |
| 07/04/2001 | CN1301585A Method and device for treating sulphar oxide and nitrogen oxide in fume by electronic beam |
| 07/04/2001 | CN1301584A Complex utilization method for boiler fume |
| 07/04/2001 | CN1067913C Process for cooling, demonomerizing and dedusting gas from polymer drier |
| 07/03/2001 | US6255249 Combination of bulk ceria and a bulk second metal oxide which may be one or more of titania, zirconia, ceria-zirconia, silica, alumina-silica and alpha alumina. |
| 07/03/2001 | US6255242 Zirconium- and cerium-based mixed oxide and method of production thereof |
| 07/03/2001 | US6255222 Method for removing residue from substrate processing chamber exhaust line for silicon-oxygen-carbon deposition process |
| 07/03/2001 | US6255102 An apparatus for the removal of noxious odors and components from gases given off by sewage treatment facilities; inexpensive, rapidly erected modular support system for biofiltration or composting |
| 07/03/2001 | US6254962 Ozone adsorbent, ozone-adsorbing molded product, and method of making same |
| 07/03/2001 | US6254849 Zeolites with silicon, germanium oxide with aluminum gallium iron oxide and roasting |
| 07/03/2001 | US6254846 Process for purifying fumes and for manufacturing an aqueous sodium chloride solution |
| 07/03/2001 | US6254843 Process for the reclamation of calcium sulfite produced by a calcium-based FGD system |
| 07/03/2001 | US6254842 Method for using a close coupled catalyst |
| 07/03/2001 | US6254837 Honeycomb body of reduced thermal conductivity in the intake and outlet regions |
| 07/03/2001 | US6254776 System and method for treating animal waste |
| 07/03/2001 | US6254771 Method of processing desulfurization absorption liquid and apparatus therefor |
| 07/03/2001 | US6254766 Desulfurization and novel sorbents for same |
| 07/03/2001 | US6254763 Method for manufacturing high concentration ozone gas |
| 07/03/2001 | US6254667 Inverted j-shaped pipe disposed under the sea and including shorter and longer open end portions, dissolving carbon dioxide in seawater and discharging the carbon dioxide-dissolved seawater to a deep sea level |
| 07/03/2001 | US6254666 Such as those present in the effluent of a semiconductor manufacturing process, particularly the etching and cleaning steps. |
| 07/03/2001 | US6253575 Helium recycling for optical fiber manufacturing |
| 07/03/2001 | US6253547 Apparatus and method for determining amount of unburned fuel component adsorbed by an adsorbent in an internal combustion engine |
| 07/03/2001 | US6253544 Method and apparatus for reducing pollutants |
| 07/03/2001 | CA2236192C Methods for producing oxidized product and generating power using a solid electrolyte membrane integrated with a gas turbine |
| 07/03/2001 | CA2096536C Calcium and/or magnesium hydroxyde, its preparation and its use |
| 07/03/2001 | CA2090784C Process utilizing titanium dioxide as a catalyst for the hydrolysis of carbonyl sulfide |
| 06/30/2001 | CA2293852A1 Procedure for preparing active plant extracts used to trap free radicals; the extracts and compounds and devices containing them |
| 06/28/2001 | WO2001047050A1 Integrated fuel cell and pressure swing adsorption system |
| 06/28/2001 | WO2001046628A1 Liquid desiccant air conditioner |
| 06/28/2001 | WO2001046626A2 Flow-through adsorbent unit assembly for receiver dryer |
| 06/28/2001 | WO2001046569A1 Air-fuel ratio controller for internal combustion engines |