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)
06/2002
06/12/2002CN1086148C New technology for absorbing and elimnianting sulfur dioxide in smoke chemically
06/12/2002CN1086147C Fume-clarifying agent for reducing smoke and dust and desulfurizing
06/12/2002CN1086146C Process for absorbing tail gas containing ammonia and methylamine
06/12/2002CN1086119C Apparatus and method for treating atmosphere contained in enclosed spaces
06/11/2002US6403366 Using biofilter reactor
06/11/2002US6403048 Using zeolite
06/11/2002US6403047 Treatment of gas mixtures
06/11/2002US6403046 Pollution control systems using urea and ammonia for the control of emissions from the flue gas of fossil fuel burning facilities
06/11/2002US6403045 Desalting, leaching
06/11/2002US6402959 Fluid distributing-collecting system process
06/11/2002US6402819 Cleaning air; porous three-dimensional support
06/11/2002US6402815 Methods and apparatus for purifying air using mixing liquid
06/11/2002US6402814 Adsorption, regereration, depressurization cycle
06/11/2002US6402813 Process for purifying a gas by adsorption of the impurities on several active carbons
06/11/2002US6402812 Purging pressure swing adsorber
06/11/2002US6402811 Non-dusting sorbent material filter
06/11/2002US6402809 Management of an air purification system with thermal regeneration
06/11/2002US6402806 Method for unreacted precursor conversion and effluent removal
06/11/2002US6401487 Hypoxic fire prevention and fire suppression systems with breathable fire extinguishing compositions for human occupied environments
06/11/2002US6401455 Exhaust emission control system for the exhaust gas of a diesel engine
06/11/2002US6401451 Degradation discrimination system of internal combustion engine exhaust gas purification system
06/11/2002US6401449 Expanded grid static mixer
06/11/2002CA2329475A1 Fast cycle psa with adsorbents sensitive to atmospheric humidity
06/11/2002CA2233397C Shuttle mechanism for twin tower air dryer system
06/11/2002CA2085026C Nitrogen sorption
06/11/2002CA2077758C Apparatus and method for regenerating deactivated zeolite reforming catalysts
06/06/2002WO2002044624A1 Device for continuously humidifying and dehumidifying additional air from manufacturing processes and ventilating and air conditioning systems
06/06/2002WO2002044297A1 Fluorocarbon decomposer and decomposition methods
06/06/2002WO2002043858A2 Process to prepare adsorbents from organic fertilizer and their applications for removal of acidic gases from wet air streams
06/06/2002WO2002043847A1 Method, module and device for contacting a gas and a liquid
06/06/2002WO2002043840A1 Device and method for subsequently treating exhaust gases
06/06/2002WO2002043839A1 Energy saving air cleaner
06/06/2002WO2002043838A2 Method for the treatment of waste gas from a cellulose plant
06/06/2002WO2002043837A1 Selective catalytic reduction of no, enabled by side stream urea decomposition
06/06/2002WO2002028510A3 Lagoon covers providing multi-stage waste treatment
06/06/2002US20020068679 High-temperature aging tolerance catalyzed adsorber system for treating internal combustion engine exhaust gas
06/06/2002US20020068205 Fuel cell system having two reformation reactors and method for operating same
06/06/2002US20020068032 Method for removing a halogen series gas
06/06/2002US20020068031 Treating overflow of teritary cyclone in catalytic reduction unit to form an outlet gas and treating the underflow and outlet gas in wet scrubber; no need for a gas solid separator like a ceramic filter therefore economical
06/06/2002US20020068030 Method for controlling elemental mercury emissions
06/06/2002US20020066535 Exhaust system for treating process gas effluent
06/06/2002US20020066370 Selective degassing valve for containers of aromatic or odorous products, such as coffee and the like
06/06/2002US20020066369 Hydrogen diffusion cell assembly with perforated output tube
06/06/2002US20020066368 Magneto adsorbent
06/06/2002US20020066367 Layered manifold pressure swing adsorption device and method
06/06/2002DE10127797A1 Methode zur Trennung von Gasbestandteilen unter Verwendung eines Hydrataktivators Method for the separation of gas components using a Hydrataktivators
06/06/2002DE10111560C1 Removal of carbon monoxide from a gas stream used in fuel cells, comprises feeding a gas stream impinged with carbon monoxide through a gas purification device, and removing the carbon monoxide by adsorption on the electrode
06/06/2002DE10110464A1 Verfahren zur Reinigung von Abgas aus einer Zellstofffabrik A method for purifying exhaust from a pulp mill
06/06/2002DE10062119C1 Filling body used for biologically cleaning waste air has a rough open pore cracked surface and is formed as a mixed body made from an extruded and partially foamed plastic and a granulated biomass which is similar to wood
06/06/2002DE10059427A1 Einrichtung und Verfahren zur Nachbehandlung von Abgasen Apparatus and method for post-treatment of exhaust gases
06/06/2002DE10058580A1 Vorrichtung und Verfahren zur Nachbehandlung von Verbrennungskraftmaschinenabgasen Apparatus and method for treatment of internal combustion engine exhaust gases
06/06/2002DE10058335A1 Production of oxygen from air comprises pressure swing adsorbing oxygen from pre-cleaned compressed process air enriched with oxygen using a molecular sieve arranged as an adsorber in a pressure vessel, and removing the desorbed oxygen
06/06/2002CA2430491A1 Process to prepare adsorbents from organic fertilizer and their applications for removal of acidic gases from wet air streams
06/06/2002CA2396825A1 Energy saving type air purifier
06/05/2002EP1211397A1 Apparatus for treating the exhaust gas of a direct-injection gasoline engine
06/05/2002EP1211396A2 Exhaust gas purifying device for internal combustion engine
06/05/2002EP1211395A1 Catalyst device for clarification of exhaust gas
06/05/2002EP1211394A2 Exhaust gas purification apparatus and method
06/05/2002EP1211393A1 Diesel particulate removing apparatus
06/05/2002EP1211392A1 Exhaust cleaning device for internal combustion engines
06/05/2002EP1211062A1 Multi-layered structure material and manufacturing methods of the same
06/05/2002EP1211003A2 Process and apparatus for producing atomized powder using recirculating atomizing gas
06/05/2002EP1210972A2 Zeolite crystals and membranes and their uses
06/05/2002EP1210971A1 Process for making microporous membranes having selected gas-selective sites and the membranes so made
06/05/2002EP1210968A1 Reducing agent for emission control system, reducing-agent supply device, and emission control system using the reducing agent
06/05/2002EP1210967A1 Compressed air dryer
06/05/2002EP1210168A1 Regenerating sulphur poisoned diesel catalysts
06/05/2002EP1066455B1 Exhaust gas filter temporarily arranged at a vehicle exhaust pipe
06/05/2002EP1021372B1 High efficiency process for recovering sulfur from h2s-bearing gas
06/05/2002EP0981403B1 Method and device for reducing nitrogen oxides using a scr catalyst
06/05/2002EP0877647B1 Regenerative method and composition for removing sulfides from gas streams
06/05/2002CN2494230Y Dust-removing desulfurating device for small vertical boiler
06/05/2002CN1352726A High temperature mat for a polltion control device
06/05/2002CN1352622A Apparatus for oxidatively destructing trace injurious substance
06/05/2002CN1352620A Corona discharge reactor
06/05/2002CN1351898A Process for treating waste gas containing SO2
06/05/2002CN1351897A Removing method for foul smell gas
06/04/2002US6400920 Device and method for recovering vapor of a developer medium
06/04/2002US6399036 Use of solid hydroxides as scavenging materials for cyanide gas
06/04/2002US6399035 Reduction purification method of nitrogen oxide-containing exhaust gas
06/04/2002US6399034 Introducing ammonia from thermohydrolysis of ammonium carbamate into exhaust gas flow of internal combustion engine before it reaches catalyst; by product inhibition
06/04/2002US6399030 Single vessel with two chambers separated by series of baffles and drains from furnace flue gas at power plants
06/04/2002US6398971 System and method for photocatalytic treatment of contaminated media
06/04/2002US6398853 Gas separation with split stream centrifugal turbomachinery
06/04/2002US6398851 Anti-air pollution & energy conservation system for automobiles using leaded or unleaded gasoline, diesel or alternate fuel
06/04/2002US6398849 Process and apparatus for treating gaseous products of sol-gel manufacturing
06/04/2002US6398846 Gas purifier equipped with dual temperature detector which signals onset of exothermic reaction when high concentrations of impurities are present, inhibits formation of eutectic and shuts down column before breach of vessel
06/04/2002US6398039 High efficient acid-gas-removing wicking fiber filters
06/04/2002US6397825 Oxygen enrichment for air-assist type fuel injectors
06/04/2002US6397586 Emission control apparatus and method of internal combustion engine
06/04/2002US6397584 System for assisting the regeneration of a particle filter integrated into an exhaust line of a motor vehicle diesel engine
06/04/2002US6397582 Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine
06/04/2002CA2364172A1 Process and apparatus for producing atomized powder using recirculating atomizing gas
05/2002
05/30/2002WO2002042617A1 Apparatus and method for applying double-coated pressure sensitive adhesive tape, and method for producing catalytic converter
05/30/2002WO2002042616A1 Metering valve
05/30/2002WO2002042615A1 Method for reducing particle emissions containing carbon of diesel motors and a corresponding system
05/30/2002WO2002041991A2 HYDROTHERMALLY STABLE METAL PROMOTED ZEOLITE BETA FOR NOx REDUCTION
05/30/2002WO2002041975A1 Multi-stage malodorous or noxious gas purification system
05/30/2002WO2002030546A3 Catalytic material and method for abatement of nitrogen oxides
05/30/2002WO2002018032A3 A method of treating an effluent gas stream, and apparatus for use in such method