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)
05/2003
05/06/2003US6558639 Series of pipes coated on inner and outer surfaces with photocatalytic thin film placed in fluid passage; ultraviolet irradiated oxidation and decomposition
05/06/2003US6558637 Exhaust emission purifier
05/06/2003US6558636 Uniform plasma density; efficient
05/06/2003US6558635 Plasma chamber with gas inflow and outflow ports spaced apart from each other, an insulating cover protruding into the plasma chamber and forming an internal cavity that is isolated from gases in, a microwave antenna for coupling
05/06/2003US6558571 In closed container without generating hydrogen gas; a dry acid, iron, and an inhibited carbon dioxide generating compound (an encapsulated carbonate or bicarbonate); activated by injection of water; delayed carbon dioxide generation
05/06/2003US6558549 Membrane module for gas transfer and membrane supported biofilm process
05/06/2003US6558548 Lagoon covers providing multi-stage waste treatment
05/06/2003US6558457 Drying agent box
05/06/2003US6558455 Porous gas permeable material for gas separation
05/06/2003US6558454 Method for removal of vapor phase contaminants from a gas stream by in-situ activation of carbon-based sorbents
05/06/2003US6558451 Multiple bed pressure swing adsorption method and apparatus
05/06/2003US6557459 Nitrogen generator for wine or champagne preservation and dispensing apparatus
05/06/2003US6557374 Uses a selective gas delivery method for supplying a breathable fire-extinguishing agent (hypoxic air) to a location closest to a fire site
05/06/2003US6557342 Exhaust gas purifying system
05/06/2003US6557340 System and method for purifying exhaust gases
05/06/2003CA2252539C Solid state oxygen anion and electron mediating membrane and catalytic membrane reactors containing them
05/06/2003CA2112117C Synthetic porous crystalline material its synthesis and use
05/02/2003EP1306605A2 Gas occluding material
05/02/2003EP1306534A2 Engine supercharging system
05/02/2003EP1306533A2 Catalyst for automobiles
05/02/2003EP1306532A1 Exhaust emission control device and exhaust emission control method for natural gas engine
05/02/2003EP1306530A2 Exhaust gas purifying system
05/02/2003EP1306351A1 Method for producing low-sulfur reform gas for usage in a fuel cell system
05/02/2003EP1306176A1 Article formed into honeycomb
05/02/2003EP1305558A1 Improved aqua-ammonia absorption system generator utilizing structured packing
05/02/2003EP1305105A1 Apparatus for removing sterilant from a sterilant containing atmosphere
05/02/2003EP1305104A1 Respirator cartridge with service life indicator
05/02/2003EP1305103A2 Regenerable air cleaning device
05/02/2003EP1305102A2 A method and system for purifying or cleansing a gas stream or gaseous body
05/02/2003EP1107933B1 Method for processing aqueous liquids containing cyanide
05/02/2003EP0807154B1 Tunable, self-powered integrated arc plasma-melter vitrification system for waste treatment and resource recovery
05/02/2003EP0769041B2 Removal of hydrogen sulfide from anaerobic digester gas
05/01/2003WO2003035547A1 Hydrogen purification module
05/01/2003WO2003035256A2 Layered catalyst composite and use thereof
05/01/2003WO2003035254A1 Catalyst comprising coated substrate
05/01/2003WO2003035247A1 Desiccant mass, method for obtaining same and use thereof
05/01/2003WO2003035230A1 Gas separator fixing structure and gas separating device using the same
05/01/2003WO2003035227A1 Photocatalytic reactor
05/01/2003WO2003035226A1 Biological filter for the purification of waste gases
05/01/2003WO2003035224A1 Gas/liquid separator including a liquid trap filter
05/01/2003WO2003035223A1 Combined oxygen separation and power generation method
05/01/2003WO2003035222A1 Water-soluble organic material condensation apparatus
05/01/2003WO2003035221A1 Process for producing liquid carbon dioxide from combustion gas at normal pressure
05/01/2003WO2003035220A1 Adsorber station and the use thereof
05/01/2003WO2003035219A2 Adsorption element and methods
05/01/2003WO2003014545A8 Exhaust gas purifying apparatus, particulate filter and manufacturing method thereof
05/01/2003US20030083534 Process for recovering hydrogen in a gaseous hydrocarbon effluent using a membrane reactor
05/01/2003US20030083197 Group 1A or 2A catalyst and a carrier, characterized in that alkali metal and/or alkaline earth metal is present in the carrier and/or between the carrier and the catalyst layer, which improves durability; exhaust system catalyst
05/01/2003US20030083196 Method for preparation of catalytic material for selective oxidation and catalyst members thereof
05/01/2003US20030083195 To dehalogenate halogenated hydrocarbons, where an electroconductive inorganic compound is present on the surface of the iron powder; increases reducing action of iron powder; avoids problem of secondary pollution
05/01/2003US20030083194 Catalyst composition for purifying exhaust gas
05/01/2003US20030083193 Exhaust gas purifying catalyst
05/01/2003US20030083192 Catalytic body disposed at the closest position to the internal combustion engine among a plurality of catalytic bodies is a direct support catalyst; quick activation; for pollution control during cold starting
05/01/2003US20030082918 Harm-removing agent and method for rendering halogen-containing gas harmless and uses thereof
05/01/2003US20030082794 Biological filter for the purification of waste gases
05/01/2003US20030082096 Method of recovering sulfurous components in a sulfur-recovery process
05/01/2003US20030082085 Hydrogen sulfide present in water washing step allows mercury to pass into absorber; for use during wet gas gasification/ purification (such as coal or heavy oil) and petroleum refining
05/01/2003US20030082082 Foul air eliminator
05/01/2003US20030082077 Shaped metallic foils are converted into free-standing, porous rutile foils having open pore structure by oxidation at elevated temperature; exposure to increasing concentrations of reducing gas (carbon monoxide) increases electrical resistance
05/01/2003US20030080071 Fluid treatment system
05/01/2003US20030079610 Desiccant cartridge with elongated center tube
05/01/2003US20030079606 Removal of elemental mercury by photoionization
05/01/2003US20030079520 Method and apparatus for testing catalytic converter durability
05/01/2003US20030079481 Dry air injection system
05/01/2003US20030079468 Exhaust gas purifying system
05/01/2003US20030079467 Exhaust aftertreatment device, including chemical mixing and acoustic effects
05/01/2003US20030079450 Gas collecting method and gas collecting apparatus
05/01/2003CA2461604A1 Combined oxygen separation and power generation method
04/2003
04/30/2003WO2002036496A1 Method for purifying effluent water containing ammonia
04/30/2003DE20303132U1 Exhaust gas purification device used in IC engines comprises housing connections and exhaust gas purification insert in form of particle filter and/or catalyst
04/30/2003CN2547392Y Complex phase streamer discharge oxidation liquid-phase solute reactor
04/30/2003CN2547386Y Conical bed adsorber
04/30/2003CN2547384Y Smoke flash cooling and purifying tower
04/30/2003CN1414883A Zeolite/alumina catalyst support compositions and method of making the same
04/30/2003CN1414881A High strength and hith surface area catalyst, catalyst support or adsorber compositions
04/30/2003CN1414879A Stripping process with fully distributed openings on baffles
04/30/2003CN1414878A Laminated pressed articles
04/30/2003CN1414876A Method and apparatus for binding pollutants in flue gas
04/30/2003CN1414847A Sustained-releasing antihelmintic compositions comprising praziquantel
04/30/2003CN1414328A Purifying device and method for air liquifacation separated
04/30/2003CN1413770A Catalyst for vehicle
04/30/2003CN1413769A Ternary catalyst for automobile tail gas and its preparation method
04/30/2003CN1413759A Oxidative acid dust-separation desulfurate denitration technology
04/30/2003CN1107355C Electrochemical process for oxidizing gas capable of reacting with oxygen
04/30/2003CN1106880C Process for preparing adsorbent of selection adsorption separation aromatic isomer
04/30/2003CN1106873C Scrubber for treatment of flue gases
04/30/2003CA2427493A1 Method for purifying ammonia-containing effluent
04/29/2003US6555498 Photooxidation catalyst and manufacturing method therefor
04/29/2003US6555364 Apparatus for use in the removal of foul odors associated with sewage treatment
04/29/2003US6555089 Prepared using a N-butyl-N-cyclooctylpyrrolidinium cation or N- propyl-N-cyclooctylpyrrolidinium cation templating agent
04/29/2003US6555082 Method for wet flue gas desulfurization and device for implementing said method
04/29/2003US6555081 Method of the purification of the exhaust gas from a lean-burn engine using a catalyst
04/29/2003US6555079 Method and device for cleaning the atmosphere
04/29/2003US6555072 Apparatus for manufacturing high concentration ozone gas
04/29/2003US6555011 Method for disinfecting and purifying liquids and gasses
04/29/2003US6555007 Sphagnum, sphagnum moss, or sphagnum peat moss to bind chlorine gas from the atmosphere in the organic matter.
04/29/2003US6554886 Urea compound and an inorganic acid and/or an organic acid supported on a porous support
04/29/2003US6554879 Trap apparatus
04/29/2003US6554015 Accurately measure or adjust the hydrogen level in a chamber containing the environment; the inventive cell may be used with a sealing member.
04/29/2003US6553755 Expanded grid static mixer
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