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)
03/1999
03/10/1999CN1042442C Ceric oxide crystalline aggregate, process of production and its use
03/09/1999US5880293 Method for catalytic conversion of carbon dioxide
03/09/1999US5880059 Comprising manganese oxide and alumina
03/09/1999US5880057 Active material on surface of support material of a boron, phosphorous and elements of group 2a and 3b, manganese, cobalt, nickel, or gallium containing oxide; improved heat resistance, low temperature activity, resistant to poisoning
03/09/1999US5879945 Decomposing peroxides present in absorbing fluid before passing air through to measure oxidation-reduction potential
03/09/1999US5879764 In insulation glass
03/09/1999US5879646 Treatment of NH3 -containing gases
03/09/1999US5879645 Method for removing nitrogen oxides in exhaust gas by selective catalytic reduction and catalyst for reduction of nitrogen oxides
03/09/1999US5879640 Having chamber constructed of single layer wall of ceramic matrix composite comprising fiber-reinforced polymer-derived ceramic resin containing high temperature-resistant open-celled foam with catalyst disposed thereon
03/09/1999US5879639 Wet flue gas desulfurization system
03/09/1999US5879555 Electrochemical treatment of materials
03/09/1999US5879527 Filter for an electrochemical measuring cell
03/09/1999US5879490 Method of fabricating canister with porous plastic ends
03/09/1999US5879434 Multi-washer and method of total cleaning of gases
03/09/1999US5879433 Contacting with amine sorbent
03/09/1999US5879432 Process and device for scrubbing flows of gaseous effluents loaded with polluting substances
03/09/1999US5879431 Ethylene/nitrogen separation process
03/09/1999US5878677 Absorption of sulfur dioxide on a fluidized bed of solid absorbent at temperature above 600 degree c. and hydrochloric acid is absorbed at a temperature below 600 degree c.
03/09/1999US5878675 Flue gas desulfurizer, boiler equipment and thermal electric power generation equipment
03/09/1999US5878567 Closely coupled exhaust catalyst system and engine strategy associated therewith
03/09/1999CA2111090C Catalytic regenerative thermal oxidizer
03/04/1999WO1999010633A1 Diesel exhaust aftertreatment system and process
03/04/1999WO1999010632A1 Diesel exhaust aftertreatment system and process
03/04/1999WO1999010561A1 Corrosion inhibitor for alkanolamine units
03/04/1999WO1999010449A1 Method and installation for thermal removal of waste
03/04/1999WO1999010448A1 Corrosion inhibitor for alkanolamine units
03/04/1999WO1999010444A1 Corrosion inhibitor for alkanolamine units
03/04/1999WO1999010095A1 Contaminant removal in a translating slug flow
03/04/1999WO1999010091A1 Recirculating bubble absorber
03/04/1999WO1999010085A1 Purification device for separating gaseous or particulate constituents from gas streams
03/04/1999WO1999010084A1 Process for the preparation of fertilizers and sulfur compounds
03/04/1999WO1999010083A1 Absorption device and corresponding exchangeable packaging
03/04/1999WO1999010082A1 Device for absorption and a corresponding receiving component
03/04/1999WO1999010081A2 Base metal catalyst for small-size motors
03/04/1999WO1999010018A1 Adsorption, decomposition and deodorization element
03/04/1999DE19839382A1 Rare earth type oxide ion conductor
03/04/1999DE19747222C1 Lean burn internal combustion engine with periodic nitrogen oxide(s) storage catalyst regeneration control
03/04/1999DE19738056A1 Denitrifying of kiln exhaust gases
03/04/1999DE19738038A1 Removing halogenated hydrocarbon(s) from exhaust gases
03/04/1999DE19737700A1 Filter web for use in vehicle air filter
03/04/1999DE19737205A1 Dehumidification of cold compressed air
03/04/1999DE19736967A1 Method and arrangement for monitoring NOx reservoir in combustion engine esp diesel engine exhaust gas output line
03/04/1999DE19736913A1 Alternating high voltage special filter
03/04/1999DE19735192A1 Electrostatic air filter for removal of microorganisms
03/04/1999DE19732335A1 Electrostatic air filter for removal of microorganisms
03/04/1999DE19730040A1 Electrostatic air filter for removal of microorganisms
03/04/1999DE19723552C1 Fixed bed reactor for continuous incineration of pollutants in gases
03/04/1999CA2301115A1 Corrosion inhibitor for alkanolamine units
03/04/1999CA2301114A1 Corrosion inhibitor for alkanolamine units
03/04/1999CA2301011A1 Contaminant removal in a translating slug flow
03/03/1999EP0899431A2 Device for purifying exhaust gas of engine
03/03/1999EP0899430A2 Method and apparatus for desulphating a NOx trap
03/03/1999EP0899235A1 Calcium sulfide oxidation method and apparatus
03/03/1999EP0899002A2 Promoted three-way catalyst and process for lean NOx reduction
03/03/1999EP0899001A1 Arrangement of spray nozzles for a scrubber
03/03/1999EP0899000A1 Process for cleaning smoke and fabricating an aqueous solution of sodium chloride
03/03/1999EP0898999A2 Abatement of NF3 using small particle fluidized bed
03/03/1999EP0898998A1 Apparatus for separating gas by adsorption and its use for treating air
03/03/1999EP0898643A1 Silencer
03/03/1999EP0898604A1 Lubricating oil dewaxing with membrane separation
03/03/1999EP0898508A1 Oxygen scavenging compositions with low migration
03/03/1999EP0898490A1 Method for determining saturation of carbon filters in a gas treatment process
03/03/1999EP0898489A1 Device for distributing liquid in substance exchange columns
03/03/1999EP0898486A1 Apparatus for passive hypoxic training and therapy
03/03/1999EP0853719B1 Electrically heatable honeycombed body subdivided into partial areas with interconnecting webs
03/03/1999EP0722355B1 Single-phase fluid dispensing, mixing and removing apparatus for beds of granular solids
03/03/1999EP0487705B2 Process for the removal of hydrogensulphide (h2s) from biogas
03/03/1999CN1209757A Apparatus for desulfurizing exhaust gas
03/03/1999CN1209756A Method for removing sulfur-containing contaminants, aromatics and hydrocarbons from gas
03/03/1999CN1209588A Condenser of carrier-recovering device of liquid imaging system
03/03/1999CN1209520A Apparatus and method for reducing oxygen-content in waste gas of boiler
03/03/1999CN1209418A Carbon dioxide fixation system
03/03/1999CN1209353A Air purification device using light to exite catalyst and producing method therefor
03/03/1999CN1209352A Improved pressure-variable adsorption method for decarbonization
03/03/1999CN1209351A Pressure-variable adsorption method for extracting hydrogen from hydrogen-rich waste gas
03/03/1999CN1209350A Gas finely-producing method and apparatus
03/02/1999US5877392 Photodecomposition using ultraviolet light
03/02/1999US5877391 Method for treating gas containing organohalogen compounds, and catalyst for decomposing the organohalogen compounds
03/02/1999US5876681 Zinc aluminate
03/02/1999US5876680 Bimetallic tungsten/platinum catalysts for lean-burn emissions
03/02/1999US5876677 Removal sulfur from gas streams
03/02/1999US5876662 Odor control system
03/02/1999US5876604 Amorphous copolymer of perfluoro-2,2-dimethyl-1,3-dioxole
03/02/1999US5876488 Carbon dioxide, water
03/02/1999US5876486 Method and apparatus for removing carbon dioxide
03/02/1999US5876485 Process and apparatus for the treatment of a gas by adsorption with a variable production flow rate
03/02/1999US5875722 System and method for flue gas purification for thermal power units
03/02/1999US5875649 Absorption liquid spreading structure for interior of absorption chamber in air conditioner
03/02/1999CA2010401C Gas and odor absorbing unit
02/1999
02/28/1999CA2246477A1 Particle size and thickness of bed of a psa unit
02/28/1999CA2243001A1 Nozzle arrangement for a scrubbing column
02/26/1999CA2245751A1 Plant for the separation of gases by adsorption, and use for the treatment of air flows
02/25/1999WO1999009364A1 Two stage process for drying of raw wood material
02/25/1999WO1999009307A1 Improvements in emissions control
02/25/1999WO1999008961A1 Zeolite cit-5
02/25/1999WO1999008789A1 Metal thin film for metal catalyst carrier and metal catalyst converter employing the metal thin film
02/25/1999WO1999008777A1 Apparatus and method for removal of vapor phase contaminants from a gas stream by in-situ activation of carbon-based sorbents
02/25/1999DE19827673A1 Biological purifier for interior air
02/25/1999DE19736854A1 Membrane resistant to bio-fouling, useful in oxygen sensor or filter for nutrient test sample
02/25/1999DE19736761A1 Scrubber removing gases and particulates from e.g. flue gas flows
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