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)
11/1999
11/02/1999US5975891 Method for reducing NOx emission from a kiln plant
11/02/1999US5975503 Structured packing assembly
11/02/1999US5974829 Method for carbon dioxide recovery from a feed stream
11/02/1999US5974810 Method and composition for preventing odors in ice
11/02/1999US5974794 Exhaust gas purification device for an internal combustion engine
11/02/1999US5974793 Exhaust gas purification device for an internal combustion engine
11/02/1999US5974791 Exhaust gas purification device for an internal combustion engine
11/02/1999US5974790 Catalytic converter decontamination method
11/02/1999US5974789 Method and device for decomposing nitrogen oxides in the exhaust gas of an internal combustion engine
11/02/1999US5974788 Method and apparatus for desulfating a nox trap
11/02/1999US5974784 Insulative shield, particularly for automotive exhaust components
11/02/1999CA2169802C Integrated air separation process
11/02/1999CA2088880C Gas-liquid contact system
11/02/1999CA2074290C Incineration of waste gas containing toxic or other fumes in the form of liquid droplets
10/1999
10/28/1999WO1999054948A1 Method and system for removing carbon monoxide from a reformate gas stream containing hydrogen
10/28/1999WO1999054795A1 Sulfur dioxide abatement system
10/28/1999WO1999054662A1 Method and apparatus for the prevention of global warming, through elimination of hazardous exhaust gases of waste and/or fuel burners
10/28/1999WO1999054615A2 Air cleaner
10/28/1999WO1999054601A1 METHOD AND DEVICE FOR PURIFYING EXHAUST GAS OF AN INTERNAL COMBUSTION ENGINE CONTAINING NITROGEN OXIDE (NOx)
10/28/1999WO1999054572A1 Mobile system for reducing the exhaust-gas pollution rate in the stagnant regions of the ground atmospheric layer
10/28/1999WO1999054270A1 METHOD OF REDUCING NO¿x?
10/28/1999WO1999054024A1 Regenerative method for de-acidifying a gas containing co2 and liquid hydrocarbons, using an absorbing liquid based on activated methyldiethanolamine
10/28/1999WO1999054023A1 Method for purifying gas by adsorption with controlled pressure and temperature levels
10/28/1999WO1999054022A1 Filtration unit for removing contaminants from fluids
10/28/1999WO1999053983A1 Nitrous oxide based oxygen supply system
10/28/1999DE19918875A1 Air fuel ratio control system for lean burn engine with oxygen and nitrogen oxides storage catalysts
10/28/1999DE19918499A1 Separation of hydrogen and its isotopes from gaseous mixtures using a corrugated tubular metallic diffusion membrane
10/28/1999DE19903022A1 Device for deodorizing air
10/28/1999DE19819882A1 Reactor for catalytically oxidizing ammonia to nitrogen oxides
10/28/1999DE19818448A1 Catalytic reduction of nitrogen oxides in exhaust gases using judiciously dosed urea reductant
10/28/1999DE19818277A1 Adsorption apparatus for purifying liquids
10/28/1999CA2329911A1 Nitrous oxide based oxygen supply system
10/27/1999EP0952111A1 CO2 purification system
10/27/1999EP0951530A1 Sulphur reducing bacterium and its use in biological desulphurisation processes
10/27/1999EP0951529A1 Steam reformer with internal hydrogen purification
10/27/1999EP0951439A1 Method for providing oxygen in gas process
10/27/1999EP0951355A1 Catalytically active permeable composite material, method for producing said composite material, and use of the same
10/27/1999EP0951352A1 Catalyst composition and method for its manufacturing
10/27/1999EP0951343A2 Membrane module for substance-specific fluid treatment
10/27/1999EP0951341A1 Method for the reduction of nitrogen oxides
10/27/1999EP0951340A1 Catalytic metal plate
10/27/1999EP0951339A1 Composition for treating fumes and uses
10/27/1999EP0951338A1 Selective removal and recovery of sulfur dioxide from effluent gases using organic phosphorous solvents
10/27/1999EP0951337A1 Process for recovering cf 4? and c 2?f 6? from a gas
10/27/1999EP0951336A1 A wet gas processing method and the apparatus using the same
10/27/1999EP0951333A1 A filter having hollow fibers impregnated with solid adsorbent particles
10/27/1999EP0900117A4 Control systems for operating gas cleaning devices
10/27/1999EP0877649A4 IMPROVED ADVANCED REBURNING METHODS FOR HIGH EFFICIENCY NO x? CONTROL
10/27/1999EP0440604B2 Devices and method for cleaning gases
10/27/1999CN2345234Y Oxygenerator with pneumatic control chang-pressure adsorptive process
10/27/1999CN1233195A Barrier discharge conversion of SO2 and NOx to acids
10/27/1999CN1232718A Fluid separation element assembly
10/27/1999CN1232717A Water spraying clean device for air exhaust pipe
10/27/1999CN1232716A Separation method of pressure-varying adsorbed gas in multiple towers
10/27/1999CN1045898C Distributor trough junctions
10/27/1999CA2263393A1 Carbon monoxide concentration reducing apparatus and method, and production method for carbon monoxide-selective oxidation catalyst
10/26/1999US5972834 Forming a molecular sieving carbon obtained by successively conducting a halogenation treatment, a dehalogenation treatment, and a pore adjustment on a carbonized charcoal; adsorbing carbon dioxide and methane
10/26/1999US5972831 Inorganic transparent photocatalytic composition
10/26/1999US5972830 High heat-resistant catalyst with a porous ceria support
10/26/1999US5972828 Method of manufacturing catalyst for cleaning exhaust gas released from internal combustion engine, and catalyst for the same
10/26/1999US5972826 High adsorption; for adsorption of gases
10/26/1999US5972821 First catalyst layer having as an active metal platinum, rhodium or palladium and a second catalyst layer having iridium as an active metal which is provided as an overlayer on the first catalyst layer.
10/26/1999US5972812 Garment comprising woven fabric containing ion exchange fiber having cationic fibers, anionic fibers, non-ionic exchange fibers such as polyester, nylon, cotton, rayon, polyvinyl alcohol
10/26/1999US5972506 A sodium potassium intermetallic carbides or a cyclic polymer, for use in lithium batteries; nontoxic, durability, readily industrialized, no violent reaction when it is immersed in water, moderate cost
10/26/1999US5972427 Adsorbent, supple, filter fabric and method for its manufacture
10/26/1999US5972401 To preserve the freshness, color, texture, and natural flavor of seafood and meat
10/26/1999US5972303 Olefin purification
10/26/1999US5972214 Column with distributor for allowing independent injection and/or removal of fluids
10/26/1999US5972196 Electrochemical production of ozone and hydrogen peroxide
10/26/1999US5972182 Electrode composition and application method for oxygen generators
10/26/1999US5972181 Comprising rigid core and flexible exterior of expanded metal fine mesh; for metal oxidation or reductions, oxidation of organic substituents, nitrate reduction, salt splitting
10/26/1999US5972081 Negligible pressure drop absorber
10/26/1999US5972080 Strength, durability, solvent resistance, heat resistance; gas separation
10/26/1999US5972077 Gas separation device based on electrical swing adsorption
10/26/1999US5971752 Sintering plant
10/26/1999US5971255 Process and apparatus for production of metallic honeycomb body for supporting catalyst
10/26/1999US5970707 Exhaust gas purification device for an internal combustion engine
10/26/1999US5970706 Pulsed oxidation of carbon monoxide, hydrocarbon and nitrogen oxide gases; computer control; air pollution control
10/26/1999US5970625 Automated air filtration and drying system for waterborne paint and industrial coatings
10/26/1999CA2173809C Process for operating equilibrium-controlled reactions
10/26/1999CA2114513C A method and system for removing sulphide(s) from sour gas
10/26/1999CA2106351C Adsorptive separation using diluted adsorptive phase
10/26/1999CA2024647C Method for removing harmful gas from refuse combustion exhaust gas
10/21/1999WO1999053131A1 Methods for removing a contaminant by a polyoxometalate-modified fabric or a polyoxometalate-modified cellulosic fiber and fabrics thereof
10/21/1999WO1999053118A1 Integrated ion implant scrubber system
10/21/1999DE19817546A1 Removal of undesirable components from a gas stream by adsorption
10/21/1999DE19817534A1 Production of electrical energy from hydrogen-rich crude gas
10/21/1999DE19817468A1 Verfahren zur Entfernung von Verunreinigungen aus einem Gasstrom A process for removing impurities from a gas stream
10/21/1999DE19816871A1 Disposable filter cartridge for medical and domestic use
10/21/1999DE19816482A1 Plate catalyst used for removing nitrogen oxides from waste gas produced from combustion plants
10/21/1999DE19816175A1 Verfahren zur Überprüfung der Funktionstüchtigkeit eines Stickoxid-Speicherkatalysators A method for checking the function of a nitrogen oxide storage catalytic converter
10/21/1999CA2328721A1 Methods for removing a contaminant by a polyoxometalate-modified fabric or a polyoxometalate-modified cellulosic fiber and fabrics thereof
10/20/1999EP0950803A2 Exhaust purification device for internal combustion engine
10/20/1999EP0950801A1 Process for detecting the deterioration of a nitrogen oxide adsorbing catalyst
10/20/1999EP0950800A2 Method and apparatus for treating an engine exhaust gas stream
10/20/1999EP0950431A2 Solid electrolyte ion conducting device
10/20/1999EP0950430A1 Separation of CF4 and C2F6 from a perfluorocompound mixture
10/20/1999EP0950028A1 Bioremediation of pollutants with butane-utilizing bacteria
10/20/1999EP0950019A1 Zeolite ssz-45
10/20/1999EP0949970A2 Apparatus for photocatalytic fluid purification