Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › 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
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)
10/1990
10/31/1990EP0394350A1 Hydrophobic carbon molecular sieves.
10/31/1990EP0298976B1 Apparatus for recovering heat from flue gases and for cleaning the same
10/31/1990EP0269623B1 Process for separating solid and gaseous noxious materials from hot gases
10/31/1990DE4013484A1 Reducing sulphur in thermal power plant emission - by returning partial fume flow for admixture with combustion air
10/31/1990CN2064679U Device for preparation of oxygen-rich air
10/31/1990CN1046586A Converter for catalytically oxydizing and reducing exhaust gas of inner conbustion engines
10/30/1990US4967295 Humidity regulating apparatus for magnetic disk drive
10/30/1990US4966882 Calcining paste of titanic acid and compound of vanadium
10/30/1990US4966873 Catalysts for the removal of nitrogen oxides
10/30/1990US4966785 Coating inside surface with a crosslinked polymer stationary phase by exposure to low temperature plasma
10/30/1990US4966665 Method for photochemical decomposition of volatile organic chlorine compound in vent gas
10/30/1990US4966611 Removal and destruction of volatile organic compounds from gas streams
10/30/1990US4965989 In-line molecular sieve bed conversion kit
10/25/1990DE3913169A1 Floating particulate cover for liq. manure silos, etc. - comprising mixt. of perlite with mixt. of fly-ash, lime and cement and polymeric binder
10/25/1990DE3911767A1 Refuse-burning boiler plant - has dosing arrangements for dry basic additive to meet clean flue-gas requirements
10/25/1990DE3900618A1 Selective fresh air separation
10/25/1990CA2013025A1 Metal oxide catalysts
10/24/1990EP0394141A1 Process for the electrochemical treatment of an hydrogen sulfide containing gas
10/24/1990EP0393964A2 Acidic gas absorbent and process for production thereof
10/24/1990EP0393917A2 Method for reduction of nitrogen oxides with ammonia using promoted zeolite catalysts
10/24/1990EP0393905A2 Zeolite catalysts and their use in reduction of nitrogen oxides
10/24/1990EP0393723A2 Deodorants, deodorant sheets, filter sheets and functional papers as well as filtering mediums for exhaust gas
10/24/1990EP0393612A2 Rhodium-free, palladium and platinum containing catalyst supported on zirconia and/or lanthana stabilized ceria
10/24/1990EP0393610A2 Self-reactivating type denitrating method and equipment
10/24/1990EP0393517A2 Catalytic oxidation and reduction converter for internal combustion engine exhaust gases
10/24/1990EP0393515A1 Plant for purifying air polluted with organic industrial products, by catalytic combustion
10/24/1990EP0393408A1 Indoor air purifier
10/24/1990EP0393402A1 Process for the purification of heavy metal-containing waste gas with high chloride content
10/24/1990EP0393029A1 Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solvents.
10/24/1990EP0325596A4 Hazardous waste reactor system
10/24/1990EP0261111B1 Pressure swing adsorption process and apparatus
10/24/1990CN1010083B Method and system for exhaust gas stream scrubbing
10/24/1990CN1010082B Exhaust gas purification
10/23/1990US4965243 Depositing on support a platinum group compound, alumina, ceria, a barium compound, a zirconium compound, calcining
10/23/1990US4965062 Hydrogen sulfide removal and sulfide recovery
10/23/1990US4964900 Respirator filter means for removal of tritiated water
10/23/1990US4964889 Selective adsorption on magnesium-containing clinoptilolites
10/23/1990US4964888 Particulate adsorbents having different particle sizes
10/23/1990US4964887 Process for separating methane using permeable membrane
10/23/1990US4964886 Removal of carbon dioxide from hydrogen-carbon dioxide-carbon monoxide mixture
10/23/1990US4964885 Reducing dew point; washing, condensating exhaust gases; continuous cycles
10/23/1990US4964278 Method of separating condensible vapors from particles in highly compressed gases
10/23/1990CA1275544C Omega-perfluoroalkyl-alpha-olefin polymers
10/18/1990WO1990012249A1 A method of reprocessing sewage sludge
10/18/1990WO1990011815A1 Reactor module
10/18/1990DE3912563A1 High chloride content off-gas purificn. - involving conc. hydrochloric acid prodn. by scrubbing and rectification
10/18/1990DE3912057A1 Gas desulphurisation using scrubbing medium - regenerated to give sulphur di:oxide used as heat carrier medium
10/17/1990EP0393014A2 Apparatus for treating gases
10/17/1990EP0392727A1 Process for the destruction of organic waste material
10/17/1990EP0392116A1 Process for the removal of acid forming gases from exhaust gases
10/17/1990EP0392054A1 Process and apparatus for reducing the harmful emissions by an incineration plant
10/17/1990CN2064102U Portable waste gas treating apparatus for lead accumulator
10/17/1990CN1046135A Method for eliminating gas in airtight package
10/17/1990CA2014712A1 Catalytic oxidation and reduction converter for internal combustion engine exhaust gases
10/17/1990CA2014306A1 Process for the purification of waste gas having a high chloride content
10/16/1990USRE33393 Absorption promoted by tungsten, molybdenum and a group 8 metal
10/16/1990US4963521 Catalyst of alumina, cerium and zirconium oxides, an active noble metal component and boron oxide
10/16/1990US4963519 Molded mixture of powdery active carbon and hydrous alumina; adsorbing, desorbing gasoline, organic solvents
10/16/1990US4963339 Hydrogen and carbon dioxide coproduction
10/16/1990US4963332 Method for the catalytic removal of nitrogen oxides from exhaust gases by means of a reducing agent
10/16/1990US4963330 Method and apparatus for treating contaminated gases
10/16/1990US4963329 Spraying to producelarge interfacial surface
10/16/1990US4963168 Apparatus for recovering solvent from solvent laden process air streams
10/16/1990US4963166 Vapor purification apparatus
10/16/1990CA1275291C Process for selective absorption of sulfur compounds from gaseous mixtures containing mercaptans
10/16/1990CA1275284C Composition to absorb mercury
10/13/1990WO1990012636A1 Incinerator for complete oxidation of impurities in a gas stream
10/11/1990DE4011210A1 Removing gas in airtight packaging - by packing the goods together with absorbent for the gas, enclosed in a polymer film which is only permeable to the gas
10/11/1990CA2014183A1 Apparatus for treating gases
10/10/1990EP0391718A2 Heaterless adsorption system for combined purification and fractionation of air
10/10/1990EP0391607A2 Molecular sieve-type gas separation systems
10/10/1990EP0391463A2 Reduction of nitrogen oxide (NOx) emission from a kiln plant
10/10/1990EP0391350A2 The purification of bulk gases using chabazite adsorbents
10/10/1990EP0390992A1 Aromatic polyimide double layered hollow filamentary membrane and process for producing same
10/10/1990EP0390815A1 A process for gas conditioning.
10/10/1990EP0172246B1 Method and device for the catalytic purification of exhaust gas from heating plants
10/10/1990CN1045928A Process for purification of waste gases emitted from melting furnace
10/10/1990CN1045927A Process and equipment for cleaning flue gases
10/09/1990US4962204 Reacting amine with unsaturated acid derivative in presence of free radical initiator
10/09/1990US4962131 Containing solvent-nonsolvent mixture
10/09/1990US4962075 Zeolitic copper catalyst
10/09/1990US4961917 Method for reduction of nitrogen oxides with ammonia using promoted zeolite catalysts
10/09/1990US4961916 For collecting gaseous and aerosol isocyanates in polluted air; porous filter impregnated with secondary amine
10/09/1990US4961873 Absorbent composition containing a severely-hindered amine mixture with amine salts and/or aminoacid additives for the absorption of H2 S
10/09/1990US4961830 Feeding gas from reactor at specific velocity
10/09/1990US4961763 Indoor air purifier
10/09/1990US4961760 Bundle of thermosetting or thermmoplastic material
10/09/1990US4961759 Closed loop gas dehydration process and apparatus
10/08/1990WO1990011817A1 Method for cleaning flue gas formed on refuse incineration
10/08/1990CA2049957A1 Method for cleaning flue gas formed on refuse incineration
10/06/1990CA2013530A1 Process for the purification of bulk gases using chabazite adsorbents
10/04/1990WO1990011433A1 A system reducing air, water and soil pollution
10/04/1990WO1990011252A1 Process for the decomposition of waste absorption solutions
10/04/1990WO1990011251A1 Production of heavy metal carbides with high specific surface area
10/04/1990WO1990011117A1 Process for efficiently recovering adsorbable gas from gas which contains adsorbable gas at low concentration
10/04/1990DE4009691A1 Lufttrocknung mittels mikrowellen und einrichtung dafuer Air drying with microwave and means therefor
10/04/1990DE3920544C1 Flue gas purificn. system downstream of refuse incinerator - has acid treatment stage receiving sodium hydroxide to form pure sodium chloride which recycled to mixer stage
10/04/1990DE3910716A1 Reactor for removing gaseous pollutants and dusts
10/04/1990DE3910227A1 Reaktormodul Reactor module
10/04/1990DE3910130A1 Process for preparing a concentrated solution of sodium sulphite and sulphate originating, in particular, from flue gas desulphurisation
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