| 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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| 08/25/1999 | EP0937870A2 Catalytic plasma exhaust converter |
| 08/25/1999 | EP0937766A2 Process and system for treating material containing noxious components |
| 08/25/1999 | EP0937648A2 Container for moisture-sensitive material |
| 08/25/1999 | EP0937501A1 A catalyst carrier |
| 08/25/1999 | EP0937500A1 Denitration catalyst, process for preparing the same, and exhaust gas purification method |
| 08/25/1999 | EP0937491A2 Flue gas treating process and apparatus |
| 08/25/1999 | EP0937219A1 Method for burning waste and fossil fuels by combining a large furnace with an incinerator and system for carrying out the method |
| 08/25/1999 | EP0936941A1 Procedure and filter device for removal and/or destruction of organic substances in contaminated air |
| 08/25/1999 | EP0871543B1 Method and apparatus in catalytic reactions |
| 08/25/1999 | EP0589897B1 Method of making membranes |
| 08/25/1999 | CN2334483Y Wet type desulfurizing dust remover |
| 08/25/1999 | CN2334482Y Environmental protection type road isolation device |
| 08/25/1999 | CN2334481Y Organic waste gas purifing equipment |
| 08/25/1999 | CN2334476Y Differential submerged dust-removing desulfurizing tower |
| 08/25/1999 | CN1226873A Method for eliminating H2S, SO2, COS and/or CS2 sulphur compounds, contained in sulphur factory waste gas with recuperation of said compounds in form of sulphur |
| 08/25/1999 | CN1226841A Method and apparatus for removing gaseous elementary mercury from gas |
| 08/25/1999 | CN1226672A Cryogenic hybrid system for producing low purity oxygen and high purity nitrogen |
| 08/25/1999 | CN1226655A Method and materials for treatment of purifying harmful gases and cinders at bottom of cremator |
| 08/25/1999 | CN1226547A Method for separating C5-C8 materials or intermediate materials |
| 08/25/1999 | CN1226522A Gas recycle for float glass system |
| 08/25/1999 | CN1226463A Catalyst for purifying exhaust gases of vehicles and process for combining with metal carrier |
| 08/25/1999 | CN1226459A Process for purifying and recovering waste SOx gas from coal boiler |
| 08/25/1999 | CN1226458A process and apparatus for treating waste SOx gas produced by process for whitening tremella |
| 08/25/1999 | CN1226457A Carbon dioxide recovering apparatus |
| 08/24/1999 | US5942654 Process for the removal of corrosive compounds from a fluid stream |
| 08/24/1999 | US5942323 Comprising fiber matrix, water and substrate, e.g., sodium bicarbonate, impregnated activated alumina-bound to matrix that is capable of oxidizing or neutralizing contaminants; air pollution control |
| 08/24/1999 | US5942203 Process for producing and utilizing an oxygen enriched gas |
| 08/24/1999 | US5942201 Producing a catalyst constituting sintered titanium dioxide particles as a by-product via a chloride proces activating the catalyst with an alkaline solution |
| 08/24/1999 | US5942195 Catalytic plasma exhaust converter |
| 08/24/1999 | US5942119 Conducting process in presence of hydrogen; reduction in flux decay |
| 08/24/1999 | US5942099 Method and device for removal of NOx from engine exhaust |
| 08/24/1999 | US5942060 Method of fabricating canister with porous plastic ends |
| 08/24/1999 | US5942025 Switching of valve is carried out according to progressive programmed slope |
| 08/24/1999 | US5941073 Method for adsorptive waste gas cleaning |
| 08/24/1999 | CA2142238C Direct centrate/filtrate return |
| 08/24/1999 | CA2131520C Single bed pressure swing adsorption system and process |
| 08/24/1999 | CA1340720C Method for treating a combustion exhaust gas using a catalyst filter |
| 08/19/1999 | WO1999041557A1 Air prepurification for a large scale cryogenic air separation plant |
| 08/19/1999 | WO1999041493A1 Method and device for operating a system to convert at least one exhaust-gas component of an exhaust-gas stream of an internal combustion engine |
| 08/19/1999 | WO1999041492A2 Dosing system |
| 08/19/1999 | WO1999041490A1 Hydrocarbon combustion power generation system with co2 sequestration |
| 08/19/1999 | WO1999041202A1 Ozone deodorizer |
| 08/19/1999 | WO1999041009A1 Method for treating a cerium oxide based composition to increase said composition oxygen-storing capacity |
| 08/19/1999 | WO1999041000A1 Catalyst and method for purifying exhaust gases |
| 08/19/1999 | WO1999040999A1 Method for eliminating halogenated compounds contained in a gas or liquid |
| 08/19/1999 | WO1999040998A1 Low pressure drop inlet design to promote good gas flow patterns in high velocity absorbers |
| 08/19/1999 | WO1999028078A3 Method for burning, welding and/or cutting metal materials using a shielding gas |
| 08/19/1999 | WO1999019049A3 Semiconductor manufacturing system with getter safety device |
| 08/19/1999 | DE19807612A1 Maintenance of infrequently used flue-gas sulfur removal washers |
| 08/19/1999 | DE19806062A1 Reduction catalyst for reducing pollutants from diesel engine exhaust gases |
| 08/19/1999 | DE19806033A1 Anordnung und Verfahren zur Umsetzung wenigstens einer Abgaskomponente eines Abgasstromes eines Verbrennungsmotors Apparatus and method for implementing at least one exhaust gas component of an exhaust gas stream of an internal combustion engine |
| 08/19/1999 | DE19805444A1 Mist precipitator for simultaneous removal of organic and inorganic compounds contained in liquids in droplet or aerosol form from waste gas streams |
| 08/19/1999 | DE19618369A1 Domestic biological air purifier installation |
| 08/19/1999 | CA2320216A1 Hydrocarbon combustion power generation system with co2 sequestration |
| 08/18/1999 | EP0936349A2 Method and system for diagnosing deterioration of NOx catalyst |
| 08/18/1999 | EP0936348A2 Method for determining the filling ratio or the quality of a gas storing catalyst |
| 08/18/1999 | EP0935991A1 System for purifying a polluted air by using algae |
| 08/18/1999 | EP0935990A1 Filter apparatus for canister |
| 08/18/1999 | EP0935498A1 Catalytic system for the reduction of nitrogen oxides |
| 08/18/1999 | EP0869840B1 Filter arrangement |
| 08/18/1999 | EP0861209B1 Ca(OH)2 PARTICLES |
| 08/18/1999 | EP0814894B1 Process for the treatment of gases |
| 08/18/1999 | EP0658153B1 Method of neutralizing and recovering of gases released from wet composting of domestic animal manure and/or sewage mud |
| 08/18/1999 | CN2333438Y Hypoxia instrument |
| 08/18/1999 | CN2333437Y Honeycomb device for exhause purification |
| 08/18/1999 | CN1226190A Completely metallic oxidation catalyst |
| 08/18/1999 | CN1226184A Oxiadition catalyst |
| 08/18/1999 | CN1225849A Gasification power generation process and gasification power generation equipment |
| 08/18/1999 | CN1044725C Procedure to obtain mercury metal from products containing mercuric chloride |
| 08/17/1999 | US5939520 Synthesized by reacting specific aromatic diimide dicarboxylic acids with select aromatic diamines |
| 08/17/1999 | US5939354 Perovskite-type metal oxide compounds and method for preparing the compounds |
| 08/17/1999 | US5939037 Nitrogen oxide trap comprising porous support and catalysts consisting of sodium and/or potassium, platinum, optionally rhodium; internal combustion engines |
| 08/17/1999 | US5939028 Combination of internal combustion engine and exhaust system comprising two oxidation catalysts such that heat generated by oxidation of carbon monoxide raises temperature of hydrocarbon oxidation catalyst to light-off point |
| 08/17/1999 | US5939026 Single vacuum vessel having two systems of electron beam focusing means |
| 08/17/1999 | US5938819 Preferential adsorption of carbon dioxide at low operating pressure followed by regeneration of adsorbent by purging with dry air; simplification |
| 08/17/1999 | US5938816 Process for purifying gases loaded in particular with chemical residues |
| 08/17/1999 | US5938526 Urban air pollution drainage device |
| 08/17/1999 | US5938523 Device for removing the noxious and aromatic substances from an air flow fed into the interior of a vehicle |
| 08/17/1999 | US5937672 Process for the purification of a cryogenic fluid by filtration and/or adsorption |
| 08/17/1999 | CA2262154A1 Filter apparatus for canister |
| 08/17/1999 | CA2148773C Gas separation with lithium-containing zsm-2 metallosilicates |
| 08/17/1999 | CA2148198C Method and system for so2 and so3 control by dry sorbent/reagent injection and wet scrubbing |
| 08/17/1999 | CA2096399C Process for deodorizing sulphydryl acid by extracting smelly compounds and the resulting deodorized product |
| 08/12/1999 | WO1999040300A1 Catalytic exhaust gas cleaning system and corresponding compensation layer, especially for motor vehicles |
| 08/12/1999 | WO1999040299A1 Regeneration of catalyst/absorber |
| 08/12/1999 | WO1999040236A1 A neural network packing |
| 08/12/1999 | WO1999040045A1 Method and device for drying organic waste |
| 08/12/1999 | WO1999039904A1 Rectangular-channel catalytic converters |
| 08/12/1999 | WO1999039819A1 Absorbents |
| 08/12/1999 | WO1999039815A1 Predominantly liquid filled vapor-liquid chemical reactor |
| 08/12/1999 | WO1999039814A2 Landfill gas treatment with propylene carbonate |
| 08/12/1999 | WO1999039809A1 SYSTEM FOR NOx REDUCTION IN EXHAUST GASES |
| 08/12/1999 | WO1999039808A1 Apparatus for generating high-activity radiant rays and ions |
| 08/12/1999 | WO1999030811A8 Method for reducing nitrogen oxides in exhaust gases containing oxygen, especially exhaust gases from internal combustion engines |
| 08/12/1999 | WO1999025961A3 NOx REMOVAL APPARATUS INCLUDING MANGANESE DIOXIDE AND COPPER OXIDE SUPPORT |
| 08/12/1999 | DE19805011A1 Filter for sorption and desorption of air supplied to passenger compartment |
| 08/12/1999 | DE19804949A1 Verfahren und Vorrichtung zur Trocknung von organischen Abfällen Method and apparatus for drying organic waste |
| 08/12/1999 | DE19804682A1 Drying equipment absorbing water vapor into fiber bundle membrane |
| 08/12/1999 | DE19804460A1 Exhaust percolates suitable for hybrid drive based on internal combustion engine and electric motor |
| 08/12/1999 | DE19803921A1 Face mask filter absorbing mercury |