| 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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| 01/18/2000 | US6014820 Shuttle valve for twin tower air dryer |
| 01/18/2000 | CA2130317C System for the prevention of dioxin formation in combustion flue gases |
| 01/18/2000 | CA2117279C Composition and method for sweetening hydrocarbons |
| 01/18/2000 | CA2088743C Absorption of hydrogen sulfide and absorbent composition therefor |
| 01/18/2000 | CA2046333C Binder for liquids |
| 01/17/2000 | CA2277577A1 Process and device for the production of sulphuric acid |
| 01/13/2000 | WO2000002041A1 Scavenging material for carbonyl compound in gas |
| 01/13/2000 | WO2000001980A2 Gas storage method and system, and gas occluding material |
| 01/13/2000 | WO2000001788A1 Conversion process for carbonyl sulfide and/or hydrogen cyanide contained in mixed gas |
| 01/13/2000 | WO2000001619A1 Method for preparing a composite bimevox electrolyte, use of said composite for separating oxygen from a gas mixture |
| 01/13/2000 | WO2000001483A1 Method for regenarating catalysts |
| 01/13/2000 | WO2000001470A1 Method for the biological purification of waste waters and waste gases and biofilter therefor |
| 01/13/2000 | WO2000001469A1 Electrode and reaction chamber for use in generation of non-thermal plasma |
| 01/13/2000 | WO2000001468A1 A gas filter element |
| 01/13/2000 | WO2000001467A1 Method and apparatus for producing highly clean dry air |
| 01/13/2000 | WO2000001466A2 Air dryer for a vehicle |
| 01/13/2000 | WO2000001465A1 System and method for oxidizing toxic, flammable, and pyrophoric gases |
| 01/13/2000 | DE19829916A1 Verfahren zur Regeneration von Katalysatoren A process for regeneration of catalysts |
| 01/13/2000 | DE19829161A1 Einrichtung zur Realisierung eines Flüssigkeitskreislaufes für eine Waschflüssigkeit Means for implementing a liquid circuit for a washing liquid |
| 01/13/2000 | DE19826496A1 Ceramic membrane for recovering oxygen from gas mixtures |
| 01/12/2000 | EP0971102A2 NOx reduction system for combustion exhaust gas |
| 01/12/2000 | EP0971057A1 Process for producing laminated sheet comprising alumina fiber precursor |
| 01/12/2000 | EP0970916A2 Ozone storing method and ozone storage system |
| 01/12/2000 | EP0970746A1 Method of producing a catalytic converter |
| 01/12/2000 | EP0970737A2 Catalyst for purifying exhaust gas and process for producing the same |
| 01/12/2000 | EP0970092A1 Purified tetraethoxysilane and method of purifying |
| 01/12/2000 | EP0969962A1 Multi-layer membrane composites and their use in hydrocarbon partial oxidation |
| 01/12/2000 | EP0969930A1 Honeycomb body with flattened cross-sectional area |
| 01/12/2000 | EP0969929A1 Honeycomb body, in particular catalyst support body, with a reinforced wall structure |
| 01/12/2000 | EP0969924A1 Catalyst composition containing an intimately mixed oxide of cerium and praseodymium |
| 01/12/2000 | EP0969915A1 Method for reducing nitrogen oxides in exhaust gases containing oxygen, especially exhaust gases from internal combustion engines |
| 01/12/2000 | EP0969914A1 Emission control system for a lean-burn internal combustion engine |
| 01/12/2000 | EP0969913A1 Method for cleaning of combustion gas containing impurities |
| 01/12/2000 | EP0969912A1 Method and device for adsorbing a carried load |
| 01/12/2000 | EP0969909A1 Chromatographic separation process and chromatographic separator |
| 01/12/2000 | EP0944425A4 Process and composition for increasing the reactivity of sulfur scavenging iron oxides |
| 01/12/2000 | EP0917490A4 Hydrotalcite sulfur oxide sorption |
| 01/12/2000 | EP0898604A4 Lubricating oil dewaxing with membrane separation |
| 01/12/2000 | EP0885048A4 Desiccant cartridge |
| 01/12/2000 | EP0772569B1 Catalytic desulphurization process for a gas containing h2s and so2 |
| 01/12/2000 | EP0723646B1 Method and apparatus for interacting a gas and liquid on a convoluted array of tubes |
| 01/12/2000 | CN2357812Y High temp. dry method desulfurizing dust remover |
| 01/12/2000 | CN2357811Y Monoammonium phosphate tail gas treatment device |
| 01/12/2000 | CN2357810Y Equipment for drying aqueous organics, deodorizing produced waste gas and recovering nitrogen |
| 01/12/2000 | CN2357809Y High-efficiency energy-saving molecular sieve drying machine |
| 01/12/2000 | CN2357808Y Duplex liquid distributer |
| 01/12/2000 | CN1240767A Process for treating waste paper-making liquor |
| 01/12/2000 | CN1240672A Process for removing components from mixed gas with microporous membrane of hollow fibres |
| 01/12/2000 | CN1240671A Absorption stabilizing apparatus for catalytic cracking and its production process |
| 01/12/2000 | CN1048188C Flue gas desulfurization method and system |
| 01/11/2000 | US6013599 Self-regenerating diesel exhaust particulate filter and material |
| 01/11/2000 | US6013512 Removing ammonia from waste gas stream; providing an aqueous microorganism suspension in biomass container, circulating suspension through adsorption tower, converting ammonia to nitrates, degradtion of ammonia by microorganism |
| 01/11/2000 | US6013158 Apparatus for converting coal to hydrocarbons |
| 01/11/2000 | US6013119 Filtering system and method for incubators |
| 01/11/2000 | US6012284 Engine exhaust gas purifying system |
| 01/11/2000 | US6012283 Method and apparatus for reducing pollutants |
| 01/11/2000 | US6012282 Method for controlling engine exhaust gas system |
| 01/11/2000 | CA2177768C Sorbent compositions |
| 01/11/2000 | CA2176430C Retrofit unit for upgrading natural gas refrigeration plants |
| 01/11/2000 | CA2066673C Method and device for producing pure elemental iodine |
| 01/06/2000 | WO2000000729A1 METHOD FOR REGENERATING AN NOx STORAGE CATALYST FOR AN INTERNAL COMBUSTION ENGINE |
| 01/06/2000 | WO2000000430A2 Molecular sieve cit-6 |
| 01/06/2000 | WO2000000389A2 On board inert gas generating system using multiple air separation modules having different permeability and selectivity membranes |
| 01/06/2000 | WO2000000283A1 Catalyst for exhaust gas purification, process for producing the same, and method of purifying exhaust gas |
| 01/06/2000 | WO2000000272A1 Reduction of nitrogen oxides in the exhaust gases from internal combustion engines |
| 01/06/2000 | WO2000000271A1 Method for removing acid gas components from gases |
| 01/06/2000 | WO1999056875A3 Catalytic module |
| 01/06/2000 | WO1999056858A3 Method and device for catalytic reduction of nitrogen oxide |
| 01/06/2000 | CA2335181A1 Molecular sieve cit-6 |
| 01/06/2000 | CA2334689A1 On board inert gas generating system using multiple air separation modules having different permeability and selectivity membranes |
| 01/05/2000 | EP0969194A2 System and method for diagnosing deterioration of NOx-occluded catalyst |
| 01/05/2000 | EP0968860A1 Apparatus for cleaning an air stream |
| 01/05/2000 | EP0968763A1 Catalyst for exhaust gas purification |
| 01/05/2000 | EP0968758A2 Use of microphase separated polymer blends for making permeable membranes |
| 01/05/2000 | EP0968757A1 Process for minimisation of foodstuff oxidation |
| 01/05/2000 | EP0968754A1 Catalyst for reducing nitrogen oxides in oxidizing or reducing atmosphere |
| 01/05/2000 | EP0968753A1 Method and device for treating exhaust gas |
| 01/05/2000 | EP0968752A2 Apparatus for realizing a cycle for a washing liquid |
| 01/05/2000 | EP0968751A1 Liquid circulation system for a scrubbing liquid used for neutralisation and separation |
| 01/05/2000 | EP0968750A1 Gas-liquid contacting apparatus |
| 01/05/2000 | EP0968749A1 Gas-liquid contacting apparatus |
| 01/05/2000 | EP0968748A2 Process for recovering gases |
| 01/05/2000 | EP0968739A1 Method and apparatus for decomposing halogenated aliphatic and aromatic compounds |
| 01/05/2000 | EP0968362A1 RUNNING OF AN INTERNAL COMBUSTION ENGINE IN CONJUNCTION WITH AN NOx-ACCUMULATOR CATALYTIC CONVERTER |
| 01/05/2000 | EP0968056A1 Non self-igniting solid |
| 01/05/2000 | EP0968046A1 Process for the removal of contaminants from a gas, using a gas cleaning agent |
| 01/05/2000 | EP0968045A1 Method for recuperating vent gas coming from an ozonization reactor |
| 01/05/2000 | EP0968044A1 Method for preventing the formation of sulfuric acid aerosols in flue gas cleaning plants |
| 01/05/2000 | EP0968043A1 Pressure swing absorption system with multi-chamber canister |
| 01/05/2000 | EP0948389A4 Hollow, multi-dimensional array membrane |
| 01/05/2000 | EP0897461A4 Heat exchanger efficiency control by differential temperature |
| 01/05/2000 | EP0823861B1 Fluid separation device |
| 01/05/2000 | EP0814884A4 Improvements in membrane processes including electrodialysis |
| 01/05/2000 | DE19928844A1 Poröses feuchtigkeitsabsorbierendes und -desorbierendes Polymer und Herstellungsverfahren hierfür Porous and moisture-absorbent polymer -desorbierendes and manufacturing method thereof |
| 01/05/2000 | DE19829397A1 Verwendung mikrophasenseparierter Polymermischungen für die Herstellung von permeablen Membranen Use of micro-phase-separated polymer blends for the preparation of permeable membranes |
| 01/05/2000 | DE19829389C1 Verfahren zur Rückgewinnung von Gasen Process for the recovery of gases |
| 01/05/2000 | DE19829160A1 Flüssigkeitskreislauf für eine Waschflüssigkeit zur Neutralisation und Abscheidung Fluid circuit for a washing liquid for neutralization and precipitation |
| 01/05/2000 | CN2356740Y Multifunctional waste gas purifier |
| 01/05/2000 | CN1240198A Closed type water washing reuse system for nickel-ceramic compound plating technology of aluminium alloy cylinder inner wall |
| 01/05/2000 | CN1240154A Method for separating and removing high conentration nitrogen dioxide and equipment thereof |