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)
07/1999
07/07/1999CN1222256A Thermally enhanced compact reformer
07/07/1999CN1222219A Hybrid mounting system for pollution control devices
07/07/1999CN1222183A Lubricating oil dewaxing with membrane separation
07/07/1999CN1222127A Cerium oxide and zirconium oxide based compsn., method of prepn.and utilisation in catalysis
07/07/1999CN1222097A Metal thin film for metal catalyst carrier and metal catalyst converter employing metal thin film
07/07/1999CN1221812A Element for use in electrochemical reactor or reactor cell
07/07/1999CN1221811A Electrochemical process for producing unsaturated hydrocarbon compounds from stauarated hydrocarbon compound
07/07/1999CN1221778A Coal gas purifier
07/07/1999CN1221647A Wet flue gas desulfurizer and oxygen-containing gas blowing device for use therein
07/07/1999CN1221646A Two-way treatment process for harmful gas in white and and smoke of soda factory
07/07/1999CN1221645A Liquid bleeding device and method for controlling concentration of slurry in wet flue gas desulfurization system
07/07/1999CN1221644A Cyclone dispersion absorbing/separating process and absorbing tower
07/07/1999CN1221643A PSA process and system
07/07/1999CN1221642A Method for pressure variable absorbing preparation of high density oxygen from air
07/07/1999CN1221641A Plant for separation of gases by adsorption, and use for treatment of air flows
07/06/1999US5919425 Catalyzed packing material for regenerative catalytic oxidation
07/06/1999US5919422 Titanium dioxide photo-catalyzer
07/06/1999US5919405 Fluid distribution system for an absorption tower
07/06/1999US5919287 Ion exchanging
07/06/1999US5919286 PSA process for removel of nitrogen oxides from gas
07/06/1999US5919285 Process and system for separation and recovery of perfluorocompound gases
07/06/1999US5919036 Method and apparatus for burning combustible gases
07/06/1999US5918555 Catalytic method for NOX reduction
07/06/1999CA2189232C Method of recovering oxygen-rich gas
07/06/1999CA2121105C Deodorizing apparatus
07/06/1999CA2100259C Process for treatment of a fluid
07/06/1999CA2097670C Sulfur dioxide scrubbing process producing purified magnesium hydroxide
07/06/1999CA2087926C Sulfur absorbents
07/06/1999CA1340632C Liquid absorbing acid gases containing a tertiary alkanolamine componentand a co2 absorption activator, and use thereof for the deacidification of gases containing co2 and eventually other acid gases
07/01/1999WO1999032843A1 Process for separating and purifying fluorine compounds, and installation thereof
07/01/1999WO1999032841A2 Liquid desiccant dehumidifier and air conditioner
07/01/1999WO1999032686A1 Gas trap for cvd apparatus
07/01/1999WO1999032404A1 Small-pored crystalline titanium molecular sieve zeolites and their use in gas separation processes
07/01/1999WO1999032311A1 Filtering device for equipping a ventilation and/or heating and/or air conditioning unit, more particularly for a motor vehicle
07/01/1999WO1999032223A1 Exhaust gas cleaning catalyst, process for producing the same, and exhaust gas cleaning method
07/01/1999WO1999032222A1 Barium exchanged ets-4 and its use in a process for the separation of nitrogen from mixtures thereof with methane
07/01/1999WO1999032215A1 Method of making a catalytic converter
07/01/1999WO1999032214A1 Plasma assisted gas processing with titania
07/01/1999WO1999032213A1 Plasma assisted gas processing with zirconia
07/01/1999WO1999032208A1 Method for sealing and/or joining an end of a ceramic filter
07/01/1999WO1999024165A8 Exhaust emission control catalyst element, catalyst structure, production method thereof, exhaust emission control apparatus and exhaust emission control method using the apparatus
07/01/1999DE19758018A1 Regeneration eines NOx-Speicherkatalysators eines Verbrennungsmotors Regenerating a NOx storage catalytic converter of an internal combustion engine
07/01/1999DE19757948A1 Dry gas cleaning process uses circulating air stream
07/01/1999DE19757793A1 New electromagnetically-controlled bioreactor useful for initiation and cyclic control of biological reaction paths
07/01/1999DE19757148A1 Cleaning off-gas from electrolytic aluminum production
07/01/1999DE19756392A1 Removal of nitrogen oxides from waste gas using an iron oxyhydroxide catalyst
07/01/1999DE19755600A1 Betrieb eines Verbrennungsmotors in Verbindungmit einem NOx-Speicherkatalysator Operating an internal combustion engine in Verbindungmit a NOx storage catalytic converter
07/01/1999DE19752542A1 Verfahren zur Reduzierung der Konzentration von Inhaltsstoffen in einem Gas und in einer Flüssigkeit und Vorrichtung zur Durchführung dieses Verfahrens A process for reducing the concentration of constituents in a gas and a liquid and a device for carrying out this method
07/01/1999DE19751005C1 A process and apparatus for removing gaseous organic substances from waste gases
07/01/1999CA2312116A1 Liquid desiccant dehumidifier and air conditioner
06/1999
06/30/1999EP0926428A2 Method and apparatus for removal of fuel gases from a gas distribution network
06/30/1999EP0925837A2 Power processor circuit and method for corona discharge pollutant destruction apparatus
06/30/1999EP0925823A1 Exhaust emission control device and method of manufacturing the same
06/30/1999EP0925822A1 Process and catalyst for the reduction of nitrogen oxides in an oxidising atmosphere
06/30/1999EP0925821A2 Method for operation of an air prepurifier which takes into account inlet air conditions
06/30/1999EP0925820A2 Pressure swing adsorption air prepurifier
06/30/1999EP0925431A1 Exhaust fume purification process for an internal combustion engine
06/30/1999EP0925105A1 Method and apparatus for treating gas by irradiation of electron beam
06/30/1999EP0840709B1 Claus sulphur production process and installation
06/30/1999EP0614400B1 Chromium-free impregnated activated universal respirator carbon for adsorption of toxic gases and/or vapors
06/30/1999CN2326855Y Smoke desulfurizing and dust-controlling device
06/30/1999CN2326853Y Fluid-state separation-absorption purifying dust-controlling and desulfurizing apparatus
06/30/1999CN2326323Y Spacing-cover type adsorption separating tower
06/30/1999CN1221357A Manufacturing method of molecular sieve compound
06/30/1999CN1221100A Refrigerator of absorbing type
06/30/1999CN1220915A Denitrogen oxides catalyst containing ZSM-5 zeolite and method for preparation thereof
06/30/1999CN1220909A Multicomponent hollow fiber membrane tubesheets
06/30/1999CN1043872C 容器惰化 Container inerting
06/29/1999US5917140 Sorbent-based fluid storage and dispensing vessel with enhanced heat transfer means
06/29/1999US5917139 Air dryer reservoir module
06/29/1999US5917136 Carbon dioxide pressure swing adsorption process using modified alumina adsorbents
06/29/1999US5917135 Gas concentration sensor and control for oxygen concentrator utilizing gas concentration sensor
06/29/1999US5916531 Spiral fixed-bed module for adsorber and catalytic reactor
06/29/1999US5916530 Honeycomb automobile exhaust system catalytic reactor; cold starting, hot starting
06/29/1999US5916505 Improved proton exchange membrane for use in electrochemical cells having internal passages parallel to the membrane surface
06/29/1999US5916440 Rigid membrane fluid treatment module
06/29/1999US5916438 Removal of hydrogen sulfide from anaerobic digester gas
06/29/1999US5916245 High capacity gas storage and dispensing system
06/29/1999US5916133 Automotive hydrocarbon adsorber system
06/29/1999US5916129 Control of exhaust emissions from an internal combustion engine
06/29/1999US5915951 Process for catalytic combustion of a fuel in the presence of a non-selective oxidation catalyst
06/29/1999US5915816 Method and apparatus for preparing an adsorbent
06/29/1999US5915398 Cleaning station for cleaning parts of an exhaust gas processing apparatus
06/29/1999CA2254485A1 Gas and liquid contact apparatus
06/29/1999CA2141254C Vsa adsorption process with continuous operation
06/29/1999CA2061430C Device for recombination of hydrogen and oxygen
06/29/1999CA2044161C Process for improved sulfure production from sulfure production unit using acid gas containing hydrogen sulfide
06/29/1999CA2035337C Normal paraffin adsorptive separation using non-normal hydrocarbon pre-pulse stream
06/26/1999CA2244645A1 Decomposition apparatus of organic compound, decomposition method thereof, excimer uv lamp and excimer emission apparatus
06/24/1999WO1999031367A1 RUNNING OF AN INTERNAL COMBUSTION ENGINE IN CONJUNCTION WITH AN NOx-ACCUMULATOR CATALYTIC CONVERTER
06/24/1999WO1999031361A1 Device for the purification of gaseous waste
06/24/1999WO1999031201A1 Process for recovering olefins
06/24/1999WO1999031198A2 Plant for removing carbon dioxide from gases and method for the exploitation of said plant
06/24/1999WO1999030947A1 Air dryer reservoir module
06/24/1999WO1999030816A1 Catalytic reduction of nitrogen oxide emissions with mcm-49 and mcm-56
06/24/1999WO1999030811A1 Method for reducing nitrogen oxides in exhaust gases containing oxygen, especially exhaust gases from internal combustion engines
06/24/1999WO1999030810A1 Method and device for reducing the nitrogen oxides present in the waste gas of a combustion unit
06/24/1999WO1999030808A1 IMPROVED PROCESS FOR TREATING H2S-LEAN STREAMS WITH RECYCLE OF SOx FROM BURNER
06/24/1999WO1999030807A1 Plasma reactor for processing of gases and ferroelectric particles for use therein
06/24/1999WO1999030806A1 Hydrogen gas-extraction module