Patents
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)
10/1997
10/15/1997EP0801140A1 Heat resisting alloys, exhaust valves and support for exhaust gas treating catalysts
10/15/1997EP0801033A2 Apparatus for degrading pollutant, process for purifying contaminated medium and process for degrading pollutant
10/15/1997EP0800863A1 Adsorbent article with dust collecting function
10/15/1997EP0800856A2 Catalyst for treating exhaust gases from diesel engines
10/15/1997EP0800855A1 Method for the catalytic oxidation of off-gases
10/15/1997EP0800854A2 Device for cleaning smoke
10/15/1997EP0800853A2 Process and electrolytic cell for purifying gases
10/15/1997EP0800852A2 Absorbent solutions for separating nitrogen from natural gas
10/15/1997EP0800851A1 Apparatus for purifying air containing noxious material
10/15/1997EP0800420A1 Catalytic oxidation catalyst and method for controlling voc, co and halogenated organic emissions
10/15/1997EP0800407A1 Method and apparatus for treatment of fluids
10/15/1997EP0787028A4 Prevention of air pollution by noxious gases and vapours
10/15/1997EP0696257B1 Process for the removal of gaseous impurities from a stream of hydrogen
10/15/1997CN2264617Y Multi-functional wet-type dust-removing, smoke-eliminating and desulphurization purifying tower
10/15/1997CN1161879A Method for controlling oxidation of sulfite in flue gas devulcanizing method
10/15/1997CN1161878A Process for separation of mixtures of oxygen and of nitorgen employing adsorbent with improved porosity
10/15/1997CN1161876A Device for recovering combustible gas
10/14/1997US5677258 Containing barium, lanthanum, other metals; automobile exhaust systems
10/14/1997US5676921 Method for the recovery of elemental sulfur from a gas mixture containing H2 S
10/14/1997US5676915 Continuous circulation process using magnesium compound
10/14/1997US5676914 Using a zeolite
10/14/1997US5676913 Mobile apparatus for the purification of polluted air, and process therefor
10/14/1997US5676912 Process for exhaust gas NOx, CO, and hydrocarbon removal
10/14/1997US5676907 Method for making near net shape ceramic-metal composites
10/14/1997US5676836 Cultivation bed; aquatic plants; microorganisms; decomposition malodorous gas
10/14/1997US5676739 Moisture-absorbing device
10/14/1997US5676738 VOC control/solvent recovery system
10/14/1997US5676737 Method for separating solutes in gaseous solvents
10/14/1997US5676736 Process for introducing a filling gas into an enclosure and installation for employing same
10/14/1997US5676735 Reclaiming system for gas recovery from decommissioned gas storage and dispensing vessels and recycle of recovered gas
10/14/1997US5676716 Apparatus for mixing a tank and improving air/liquid contact in an oxidized system
10/14/1997US5676071 Method and device for introducing a liquid or gaseous treatment medium into a flue gas flow
10/14/1997CA2130204C Dry scrubber with condensing heat exchanger for cycle efficiency improvement
10/09/1997WO1997037179A1 Automated air filtration and drying system for waterborne paint and industrial coatings
10/09/1997WO1997037056A1 Flow-stabilized wet scrubber system for treatment of process gases from semiconductor manufacturing operations
10/09/1997WO1997036676A1 Method and apparatus for reducing harmful emissions from a diesel engine by urea injection scr
10/09/1997WO1997036669A1 Methods of control of nitrogen oxide and hydrocarbon emissions from small engines
10/09/1997WO1997036627A1 Process and device for reducing risks in no-inhalation therapy
10/09/1997WO1997027926A3 Coilable separation elements and suitable housing with coiling drive
10/09/1997DE19707275A1 Exhaust gas purification catalyst
10/09/1997DE19629163C1 Diesel engine operation to suppress nitrogen oxides emission
10/09/1997DE19615562C1 Vorrichtung und Verfahren zur kombinierten Reinigung und Kompression von CO-haltigem Wasserstoff sowie Verwendung des mit dem Verfahren erhaltenen Wasserstoffs als Brenngas in Brennstoffzellen Apparatus and method for combined purification and compression of CO-containing hydrogen and using the obtained with the method of hydrogen as a fuel gas in fuel cells
10/09/1997DE19613484A1 Biodegradable gas separation membrane with high selectivity for carbon di:oxide permeation
10/09/1997DE19613463A1 Filter element for a gas filter
10/09/1997DE19613107A1 Thermo-catalytic decomposition of ammonia
10/08/1997EP0800046A1 Method and device for the production of a high-purity product through cryogenic air separation
10/08/1997EP0800044A2 Drier/accumulator for refrigerant system and method of making same
10/08/1997EP0799635A1 Method and device for drying a compressed gas
10/08/1997EP0799634A1 Membrane system and method for separating gaseous mixtures
10/08/1997EP0799633A1 Process and apparatus for eliminating carbon monoxide and/or hydrogen from an air stream
10/08/1997EP0799159A1 Dechlorination of tce with palladized iron
10/08/1997EP0799141A1 A filtration device using absorption for the removal of gas phase contaminants
10/08/1997EP0799085A1 H 2s absorption with subsequent oxalate removal
10/08/1997EP0799084A1 Method and device for separating gaseous pollutants
10/08/1997EP0699172B1 Bioreactor for biological treatment of contaminated water
10/08/1997EP0652805B1 Aluminium oxide catalyst containing silver, and method of decomposing nitrous oxide
10/08/1997CN1161727A Catalyst carrier element having internal insulation
10/08/1997CN1161658A Liquid distrubutor for columns
10/08/1997CN1161655A Carbonization of halocarbons
10/08/1997CN1161442A Gas mfr.
10/08/1997CN1161440A Refrigerating system and method for the connection thereof
10/08/1997CN1161249A Compact type magnetic air separation tech. with high efficiency and low energy consumption
10/08/1997CN1036051C Optical catalyst for air purification
10/08/1997CN1036050C Improved adsorption separation process for simulating moving bed
10/07/1997US5674464 Desulphurization of waste gases
10/07/1997US5674463 Sulfur-free gas produced by hydrolysis of carbonyl sulfide followed by oxidation of product, hydrogen sulfide to elemental sulfur and metal sulfides using ferric oxide followed by copper and/or zinc oxide catalyst
10/07/1997US5674462 Method for the removal of non-metal and metalloid hydrides
10/07/1997US5674459 Hydrogen peroxide for flue gas desulfurization
10/07/1997US5674311 Adsorption process and system using multilayer adsorbent beds
10/07/1997US5674301 Reforming a hydrocarbon and/or an oxygen-containing hydrocarbon using a porous substrate having a catalyst supported in the pores and a hydrogen-separating thin film on the surface; miniaturization; automobile fuel cells
10/07/1997US5673556 Disproportionation resistant metal hydride alloys for use at high temperatures in catalytic converters
10/07/1997US5673493 Telecoping desiccant cartridge for an air dryer disposed in an air system
10/02/1997WO1997035805A1 Method and apparatus for purifying hydrogen gas
10/02/1997DE4345364C2 Gas scrubbing esp. desulphurisation process
10/02/1997DE19713432A1 Catalytic base material used for exhaust gas purification catalyst
10/02/1997DE19713103A1 Palladium-carrying exhaust gas purification catalyst
10/02/1997DE19620720C1 Exhaust gas desulphurising
10/02/1997DE19614430C1 Production of calcium oxide from precipitated calcium carbonate
10/02/1997DE19612945A1 Removing sulphide(s) from waste caustic alkali liquors
10/02/1997DE19612289A1 Verfahren und Vorrichtung zur Minderung von Risiken bei der inhalativen NO-Therapie Method and apparatus for reducing risks associated with inhaled NO therapy
10/02/1997DE19612241A1 Disposal of used catalysts for removing exhaust gas
10/02/1997DE19612240A1 Removal of pollutants, especially nitrogen oxide(s), from exhaust gas
10/01/1997EP0798799A2 Removal of ammonia from acid fuel cell fuel gas stream
10/01/1997EP0798464A1 Process and plant for treating atmospheric air
10/01/1997EP0798282A2 Garbage disposal apparatus
10/01/1997EP0798143A1 Method and apparatus for purifying air including adsorbent reactivation
10/01/1997EP0798051A1 Automated air filtration and drying system for waterborne paint and industrial coatings
10/01/1997EP0798042A1 Ceramic honeycomb catalyst having excellent thermal shock resistance
10/01/1997EP0798034A1 Hollow fiber membrane separation apparatus
10/01/1997EP0798033A1 Process and installation for the cleaning of exhaust air
10/01/1997EP0798032A1 Gas separation
10/01/1997EP0798031A1 Process and device for treating flue gases
10/01/1997EP0798030A2 Process for cooling water absorbing granules
10/01/1997EP0798029A2 Apparatus and process for recovering basic amine compounds in a process for removing carbon dioxide
10/01/1997EP0798028A1 Pressure swing adsorption process for treating a gas mixture
10/01/1997EP0797689A1 Gas removal device
10/01/1997EP0797545A1 Carrier material for micro-organisms for biologically purifying fluids
10/01/1997EP0797477A1 Air pollution control and heat recovery system
10/01/1997EP0797476A1 Aircraft oxygen supplying apparatus and method
10/01/1997EP0673473B1 Catalytic converter with two or more honeycomb elements inside a tubular shealth, and a method of manufacturing it