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)
07/1997
07/30/1997EP0560991B1 Device for purifying exhaust of internal combustion engine
07/30/1997CN2258423Y Desulfurization device for boiler fume
07/30/1997CN2258422Y Multi-pipe cyclone wet dust-removing desulfurization device
07/30/1997CN1155874A Catalytic desulphurization process for a gas containing H2S and SO2 compounds, and catalyst for impelementing said process
07/30/1997CN1155852A Flue-gas treatment system
07/30/1997CN1155848A Method and apparatus for purification of ventilating air
07/30/1997CN1155521A Method for treating exhaust gases and foul water
07/29/1997US5652020 Forming palladium layer on inside surface of porous ceramic tube, promotes decomposition of ammonia
07/29/1997US5651948 Low pressure drop, turbulent mixing zone dry scrubber
07/29/1997US5651917 Liquid scrubbing of gas-phase contaminants
07/29/1997US5651877 Lubricating oil dewaxing with membrane separation
07/29/1997US5651833 Treatment of waste water, soils, plastics, wood, etc., steam stripping, catalytic decomposition of contaminants
07/29/1997US5651803 Modular air-handling system with sealing devices
07/29/1997US5651266 Drier/accumulator for refrigerant system and method of making same
07/29/1997US5651247 Exhaust gas purification system
07/29/1997CA1339049C Process for the conversion of calcium sulfate dihydrate into .alpha.- semihydrate
07/24/1997WO1997026684A1 Single-crystal oxygen ion conductor
07/24/1997WO1997026267A1 Pyridine phosphonates and chelates thereof
07/24/1997WO1997026082A1 Storage of hydrogen in layered nanostructures
07/24/1997WO1997026081A1 Oxidation-reduction process
07/24/1997WO1997026079A1 Fluid reactor with catalyst on floating tubesheet
07/24/1997WO1997026070A1 Method for removing sulfur-containing contaminants, aromatics and hydrocarbons from gas
07/24/1997WO1997026069A1 Method for removing sulfur-containing contaminants, aromatics and hydrocarbons from gas
07/24/1997WO1997026068A1 Method and apparatus for continuous adsorption of adsorbable contaminates and adsorber
07/24/1997DE19701355A1 Catalytic converter for exhaust gases in vehicle IC engine
07/24/1997DE19603159A1 Volatile contaminant removal from gases
07/24/1997DE19602229A1 Hot exhaust gas treatment to reduce nitrogen oxide levels to required levels
07/24/1997DE19601713A1 Carbonisation process used with wide variety of carbonaceous feedstocks
07/24/1997CA2243482A1 Method for removing sulfur-containing contaminants, aromatics and hydrocarbons from gas
07/24/1997CA2241790A1 Method for removing sulfur-containing contaminants, aromatics and hydrocarbons from gas
07/24/1997CA2229445A1 Storage of hydrogen in layered nanostructures
07/23/1997EP0785587A2 Layered sintered body for electrochemical cell, electrochemical cell including it and process for its manufacture
07/23/1997EP0785341A1 Catalytic converter
07/23/1997EP0785246A1 Method for operating a coal-fired power plant
07/23/1997EP0785170A1 Process for the purification of a solution of lithium salts contaminated with metallic cations and use of that process in the production of lithium-exchanged zeolites
07/23/1997EP0785020A1 Process for separating mixtures of oxygen and nitrogen using an adsorbent with improved porosity
07/23/1997EP0785017A1 A catalyst system
07/23/1997EP0785016A1 Process for cleaning contaminated air by combination of a biological cleaning step with a low temperature plasma cleaning step
07/23/1997EP0784741A1 Method and apparatus for heating a catalytic converter to reduce emissions
07/23/1997EP0784500A1 Compound removal using membrane and activated charcoal filtration
07/23/1997CN1155252A Oxidation catalyst
07/22/1997US5650479 Interfacially polymerized polyester films
07/22/1997US5650221 High strength, low pressure drop sensible and latent heat exchange wheel
07/22/1997US5650128 Volatile compounds, catalytic oxidation and monitoring temperature
07/22/1997US5650127 Removal of nitrogen oxides from turbine exhaust gas by catalytic oxidation with platinum
07/22/1997US5650063 Neutralization with caustic andremoval of salts
07/22/1997US5650030 Solidification of silica sol/dessicant slurry to form silica gel-bound dessicant shape
07/22/1997US5649996 Method for the separation of gases at low temperatures
07/22/1997US5649985 Apparatus for removing harmful substances of exhaust gas discharged from semiconductor manufacturing process
07/22/1997US5649517 Variable oxygen/nitrogen enriched intake air system for internal combustion engine applications
07/22/1997US5649507 Vehicle spark plug system for operation from a vehicle battery
07/22/1997US5649421 Exhaust emission control device
07/17/1997WO1997025277A1 Cyanide removal from process water
07/17/1997WO1997025138A1 Chemical sorbent and methods of making and using same
07/17/1997WO1997025134A1 IMPROVED ADVANCED REBURNING METHODS FOR HIGH EFFICIENCY NOx CONTROL
07/17/1997WO1997025126A2 Regenerative method and composition for removing sulfides from gas streams
07/17/1997WO1997025125A1 Method and apparatus for removal of hazardous gases from enclosed structures
07/17/1997DE19601332A1 Waste heat recovery from flue gas
07/17/1997DE19601193A1 Wet flue gas desulphurisation
07/17/1997DE19600774A1 Cyanidentfernung aus Prozeßwasser Decyanidation of process water
07/17/1997DE19548235A1 Vorrichtung zur Entfernung von Wasserstoff aus einem Gasgemisch und Anwendung der Vorrichtung A device for removing hydrogen from a gas mixture and use of the device
07/17/1997DE19548180C1 Filteranordnung Filter assembly
07/17/1997DE19543884A1 Feeding oxygen@ to internal combustion, especially diesel, engines
07/17/1997CA2226682A1 Method and apparatus for removal of hazardous gases from enclosed structures
07/17/1997CA2194717A1 Mini-cascade catalyst system
07/16/1997EP0784187A1 Catalytic combustion system with staged fuel injection
07/16/1997EP0783919A1 Composite hydrogen separation element and module
07/16/1997EP0783918A1 Process for nitrogen oxides reduction in diesel engine exhaust gas
07/16/1997EP0783917A1 Catalyst for catalytic reduction of nitrogen oxide and process for producing the same
07/16/1997EP0783916A1 Process for the denitration of flue gases
07/16/1997EP0783915A1 Filter having integral frame
07/16/1997EP0783911A2 Liquid distributor for a counter-current column
07/16/1997EP0783658A1 Method and device for cooling gases
07/16/1997EP0783469A1 Device for abating carbon monoxide in airbags
07/16/1997EP0783367A1 Transverse flow self-heating electrically conductive sorption system
07/16/1997EP0783362A1 Zeolitic desulfurazation agents and their application to co 2?-containing gas treatment
07/16/1997EP0783360A1 Electrically conductive sorption system and method
07/16/1997EP0726875B1 Method and apparatus for reducing hydrocarbon emissions from a fuel storage tank
07/16/1997EP0724475B1 Flue gas purification
07/16/1997CN1154665A Nitrogen oxide-reducing catalyst and process for reducing nitrogen oxides in exhaust gas
07/16/1997CN1154264A Chlorination-amination for surface modification of substd. polyacetylene gas separation film
07/16/1997CN1154263A Method and equipment for desulfurizing flue gas by circulation and fluidization
07/16/1997CN1154262A Method and equipment for expansion cold condensation for removing water from natural gas
07/16/1997CN1154261A Isobaric moving bed continuous gas purifier
07/16/1997CN1035428C nitrogen deoxygen purifying method
07/15/1997US5648591 Mechanical activation, chemical reaction
07/15/1997US5648304 Oxygen permeable mixed conductor membranes
07/15/1997US5648054 Desulfurization
07/15/1997US5648053 Degassing and oxidation of gases using ozone
07/15/1997US5648050 Exhaust gas cleaner passageway for internal combustion engines with corrugated metal sheets
07/15/1997US5648049 Purging electrostatic gun for a charged dry sorbent injection and control system for the remediation of pollutants in a gas stream
07/15/1997US5648048 Wet-type flue gas desulfurization plant
07/15/1997US5648022 Wet flue gas scrubber having an evenly distributed flue gas inlet
07/15/1997US5647970 Method of producing ultrahigh pressure gas
07/15/1997US5647894 Gas separating composite membrane and process for producing the same
07/15/1997US5647892 Method for acid gas emission control
07/15/1997US5647891 Method and apparatus for heated, pressure-swing high pressure air dehydration
07/15/1997US5647227 Membrane-augmented cryogenic methane/nitrogen separation
07/15/1997US5647203 Exhaust gas purification system and exhaust gas purification method
07/11/1997CA2193776A1 Composite hydrogen separation element and module