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)
03/1991
03/27/1991EP0418803A1 Sulfur recovery process
03/27/1991EP0418618A1 A coating material for eliminating ozone and an image processing apparatus incorporating same
03/27/1991EP0418563A1 Void-containing sorbent pad
03/27/1991EP0418305A1 A layered automotive catalytic composite.
03/27/1991CN2073877U Production device for cyclic absorption method
03/27/1991CN1012136B Dry method and apparatus for cleaning smoke containing combined harmful components
03/26/1991US5002923 Catalyst support for catalytic reactors
03/26/1991US5002921 Catalyzer for decomposing ammonia
03/26/1991US5002920 Catalyst for ozone decomposition
03/26/1991US5002743 Process for the removal of sulfur dioxide from hot flue gases
03/26/1991US5002741 Method for SOX /NOX pollution control
03/26/1991US5002654 Reducing NOx emissions with zinc catalyst
03/26/1991US5002593 Compressed-air dryer
03/26/1991US5002591 Pressure swing absorption gas concentration, valves, connected beds, multistage
03/26/1991US5002590 Gases, support fibers of high air permeability
03/26/1991US5001845 Control system for an industrial dryer
03/26/1991CA1281994C Auto-cooled extraction process of heavy hydrocarbon fractions
03/26/1991CA1281886C Elimination process of sulphur compounds in residual gas, namely such as derived from a claus sulphur, with recapture of said compounds in the form of sulphur
03/22/1991CA2025813A1 Separation of fluids using polyimidesiloxane membrane
03/21/1991WO1991003315A1 Reactive bed plasma air purification
03/21/1991WO1991003307A1 Process for cutting down combustion emissions from transports and fixed plants
03/21/1991WO1991003295A1 Method for fractional condensation of acid combustion gas components and apparatus for executing the method
03/21/1991WO1991003294A1 Process for the abatement of nitrogen oxides
03/20/1991EP0418075A1 Process for removing tin compounds from exhaust gases
03/20/1991EP0418058A1 Chemical recovery scrubbing system
03/20/1991EP0417922A1 Producing pure carbon dioxide
03/20/1991EP0417770A1 Polyimide membranes and their use for gas separation
03/20/1991EP0417667A1 Denitration device for exhaust gas with varying temperature
03/20/1991EP0417538A1 Catalyst for reducing nitrogen oxides in a flue gas and method for producing said catalyst
03/20/1991EP0417407A1 Shaped bodies of macroporous ion exchanger resins and their use
03/20/1991EP0417229A1 Reactor module
03/20/1991CN2073320U Rich oxygen and rich nitrogen equipment
03/20/1991CN1012039B Composite membranes for enhanced fluid separation
03/20/1991CN1012038B Integrated process for removal of sulfur compounds from fluid streams
03/20/1991CA2023009A1 Sulfur recovery process
03/19/1991US5001103 Rhodium-free three-way catalyst
03/19/1991US5001098 5A zeolite/kaolinite adsorbent for gas purification
03/19/1991US5000930 Method and installation for the purification of combustion gas from domestic heatings, combustion engines or similar heatings
03/19/1991US5000929 Exhaust gas purification catalyst
03/19/1991US5000925 Hydrogen and carbon dioxide coproduction apparatus
03/19/1991US5000770 Shaft having a moving bed of pourable material
03/19/1991US5000763 Process for separating hydrogen from gas mixtures using a semi-permeable membrane consisting predominantly of polycarbonates derived from tetrahalobisphenols
03/19/1991US5000762 Method for separating dioxins from gases
03/19/1991US5000006 Cooling and compression a gaseous mixture to separate chlorine, stripping to desorb carbon dioxide
03/19/1991US4999998 Method and apparatus for elimination of toxic oxides from exhaust gases
03/19/1991CA1281703C Poly-metal-containing catalyst
03/16/1991WO1991004091A1 Method and apparatus for chlorine dioxide manufacture
03/14/1991DE4026320A1 Verfahren zur reinigung und aufbereitung von verunreinigtem gut Process for cleaning and treatment of contaminated well
03/14/1991DE3930145A1 Supported catalyst for low-temp. oxidn. of organic cpds. etc. - comprises support loaded with transition metal phthalocyanine and amine, activated by heating in nitrogen etc.
03/14/1991DE3929521A1 Directly heated air cleaning catalyst - comprising oxidn. catalyst-coated metal wire or strip
03/13/1991WO1991004292A1 Absorbent material and uses thereof
03/13/1991EP0416969A1 New water-in-oil emulsions and their use for removing hydrogen sulfide
03/13/1991EP0416631A1 Method for removing harmful gas from refuse combustion exhaust gas
03/13/1991EP0416562A1 Process for reducing the emissions of polluants in combustion processes
03/13/1991EP0416143A1 Device for the removal of hydrogen and dissolution of barrier layers
03/13/1991EP0416140A1 Device for removing hydrogen and harmful substances from a gas mixture containing hydrogen and oxygen
03/13/1991EP0416127A1 Process for efficiently recovering adsorbable gas from gas which contains adsorbable gas at low concentration
03/13/1991CN2072866U Cleaning pot with compressed air
03/13/1991CN1049803A Procedure and apparatus for purification of air, flue gases or equivalent
03/13/1991CN1049798A Disposable oxide carrier for scavenging hydrogen sulfide
03/13/1991CN1011943B Pressure swing adsorption control method and apparatus
03/13/1991CA2024626A1 Polyimide membranes and their use for gas separation
03/12/1991US4999302 Biological contact gas scrubber for waste gas purification
03/12/1991US4999175 Selective Adsorption By An Amine-Containing Active Agent
03/12/1991US4999174 Use of cerium oxide for removal of chlorine from fuel gases
03/12/1991US4999173 Catalytic decomposition
03/12/1991US4999172 Absorber packing and method
03/12/1991US4999167 Low temperature Nox /Sox removal apparatus
03/12/1991US4999036 Filtering device for removing liquid particles from air streams of air compressors
03/12/1991US4999035 Indicator device for compressed air systems
03/12/1991US4999034 Desiccant cartridge
03/12/1991US4999033 Integrally valved, low friction indexing desiccant bed dehumidifier
03/12/1991US4999031 Gas Scrubbing With an Absorption Liquid
03/12/1991CA1281474C Polytrialkylgermylpropyne polymers and membranes
03/12/1991CA1281209C Drain manifold for air data sensor
03/07/1991WO1991002581A1 Apparatus and method for treatment of gas
03/07/1991WO1991002580A1 Process and device for disposing of organic vapours, in particular solvent vapours
03/07/1991WO1991002565A1 Process for purifying and processing contaminated materials
03/07/1991DE4021309A1 Process thermally breaking down chemical and treating toxic residues - has number of indirectly heated fluidised bed incinerators used in series to provide efficient disposal of harmful chemicals
03/07/1991CA2024087A1 Process for the reduction of the emission of noxious materials in combustion processes
03/06/1991EP0415835A1 Element for the filtration and/or the purification of hot gases and its method of manufacture
03/06/1991EP0415486A1 Process and apparatus for electrostatic cleaning of noxious and dusty exhaust gases in multiple field separators
03/06/1991EP0415410A1 Process for catalytically reducing nitrogen oxides from exhaust gas
03/06/1991EP0415306A1 Apparatus for the reduction of nitrogen oxides from combustion gases
03/06/1991EP0415145A1 Catalyst for removal of nitrogen oxides and method for removal of nitrogen oxides by use of the catalyst
03/06/1991EP0414817A1 Process for nitrogen oxides reduction with minimization of the production of other pollutants
03/06/1991CN1049616A Method and equipment for purification of industrial flue gases
03/06/1991CN1011860B Destroying hydrides by oxidation and the catalyst and application
03/06/1991CN1011859B Process for treating waste gas
03/06/1991CA2024028A1 Water-in-oil emulsions and their use in the elimination of hydrogen sulphide
03/06/1991CA2020511A1 Gas separation membrane and process
03/05/1991US4997632 Semiconductor chemisorption, hydrolysis
03/05/1991US4997631 Pollution control
03/05/1991US4997630 Absorption with methyldiethanolamine
03/05/1991US4997486 Method of producing a solid secondary raw material containing calcium sulfate
03/05/1991US4997465 Anti-fluidization system for molecular sieve beds
03/05/1991CA1280999C Process for the production of ozone
03/05/1991CA1280970C Scrubber for the desulfurization of flue gases
03/05/1991CA1280889C Process and apparatus for extracting liquids from aggregates and fromgas/vapor mixtures
03/01/1991WO1991003422A1 Disposable oxide carrier for scavenging hydrogen sulfide
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