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)
02/2004
02/26/2004US20040035426 Manner of attaching component elements to filtration material such as may be utilized in respiratory masks
02/26/2004US20040035293 Melt point is < 100 degrees c; provides distinct selectivities and reactivities because they are made of ions rather than molecules
02/26/2004US20040035291 Membrane separator having a relatively higher selectivity for methane and other hydrocarbons
02/26/2004US20040035290 Porous gas permeable material for gas separation
02/26/2004US20040035147 Apparatus for absorbing and removing carbon dioxide from natural gas, liquefying apparatus having a steam turbine for liquefying natural gas from which carbon dioxide has been removed, boiler, carbon dioxide recovery unit
02/26/2004US20040035101 Regenerative control method for continuous regenerative diesel particulate filter device
02/26/2004DE4338995B4 Vorrichtung zur Reinigung von Gasen unter Einsatz von Plasma und Katalysator An apparatus for purification of gases using plasma and catalyst
02/26/2004DE20314455U1 Pollutant tester for monitoring air samples for gaseous residues, e.g. PCBs, contains a solid as absorbent or adsorbent arranged in a semi-permeable polyethylene film
02/26/2004DE19716749B4 Schwimmtauchgerät Scuba
02/26/2004DE10335158A1 Vorrichtung zur Reinigung von Abgasen für eine Brennkraftmaschine An apparatus for purification of exhaust gases for an internal combustion engine
02/26/2004DE10334091A1 Engine regulating system used in I.C. engines comprises a nitrogen oxides catalyst unit, a reducing agent feed line, nitrogen oxide sensors, a fuel injection system, and a regulating unit for activating the fuel injection system
02/26/2004DE10329647A1 Abgasreinigungsvorrichtung für einen Verbrennungsmotor An exhaust purification device for an internal combustion engine
02/26/2004DE10237777A1 Combustion engine with catalytic exhaust gas treatment unit has module for generation of reducing gas containing hydrogen and ammonia which is dosed into exhaust system up-stream of catalyst unit
02/26/2004DE10237165A1 Vorrichtung zur Abgasbehandlung einer Verbrennungseinrichtung An apparatus for gas treatment of a combustion device
02/26/2004CA2497257A1 Onboard hydrogen storage unit with heat transfer system for use in a hydrogen powered vehicle
02/25/2004EP1391669A2 Plant and method for producing liquefied natural gas and recovering carbon dioxide contained in natural gas and in a combustion exhaust gas
02/25/2004EP1391600A1 Process for the desulphurisation of a NOX storage catalyst
02/25/2004EP1391422A2 Method of recovering chlorine gas from calcium chloride
02/25/2004EP1390434A1 Fine particle size lime slurries and their production
02/25/2004EP1390297A1 Processes and apparatus for quantitatively converting urea to ammonia on demand
02/25/2004EP1390291A1 Syngas production utilizing an oxygen transport membrane
02/25/2004EP1390244A1 Regeneration of air dryer
02/25/2004EP1390124A1 Method for the selective catalytic reduction of nitrogen oxides using ammonia in the poor exhaust gas from a combustion process
02/25/2004EP1390123A2 Gas phase reactor and process for reducing nitrogen oxide in a gas stream
02/25/2004EP1390122A1 Method of treating atmospheric pollutants
02/25/2004EP1390121A1 Agents for reducing atmospheric oxidising pollutants
02/25/2004EP1390110A2 Liquid distributor in mass transfer column and method of installation and use
02/25/2004EP1237644B1 Method of cleaning industrial waste gases
02/25/2004EP1056938A4 Method for providing and maintaining catalytically active surface in internal combustion engine
02/25/2004EP0933131B1 Metal thin film for metal catalyst carrier and metal catalyst converter employing the metal thin film
02/25/2004CN2604225Y Whitestone water membrane rotary boiling desulfuration dust separator
02/25/2004CN2604224Y Combined distributor
02/25/2004CN2604223Y Active carbon fiber waste gas absorption recovery device
02/25/2004CN1477989A Exhaust gas treatment device
02/25/2004CN1477387A Indoor air detection and purifying equipment
02/25/2004CN1477303A 燃料蒸汽处理装置 Fuel vapor treatment device
02/25/2004CN1476929A Denitration catalyst using CeTi2Ob as carrier and its preparation method
02/25/2004CN1476922A Broad-spectrum harmful gas environment-protecting liquor purifying device
02/25/2004CN1476921A Air-separating oxygen-making method and its equipment
02/25/2004CN1139756C Desiccant assisted air conditioning system
02/25/2004CN1139720C Catalytic unit with catalyst carrier and its producing device and method
02/25/2004CN1139428C Purifying catalyst for diesel engine exhaust gas and its preparing method
02/25/2004CN1139422C Wet urea additive process for simultanously desulfurizing and denitrification
02/25/2004CN1139421C Method for reclaiming and using tail gas in oil refinery and petro-chemical plant
02/24/2004US6696693 Electron beam irradiation apparatus and method
02/24/2004US6696389 Catalystic exhaust systems for removing nitrogen oxides from exhaust gases of internal combustion engines comprising crystal structured catalysts in gas flow passageways; pollution control apparatus
02/24/2004US6696386 First component comprising an inorganic oxide having heat resistance and a transition metal oxide supported on the inorganic oxide and a second catalyst component comprising at least one alkali metal sulfate; diesel engines
02/24/2004US6696284 Biological filter for the purification of waste gases
02/24/2004US6696031 Oxidation of hydrocarbon gas to carbon monoxide, carbon dioxide and water; nitrogen monoxide to nitrogen dioxide; soot reacts with nitrogen oxide; internal combustion engines
02/24/2004US6695983 Syngas production method utilizing an oxygen transport membrane
02/24/2004US6695956 Comprising oxygen-concentrating means for separating oxygen from air and concentrating the oxygen, humidifying means for humidifying oxygen-concentrated air, oxygen-supplying means for supplying oxygen-concentrated air to user
02/24/2004US6695896 Evaporated fuel treatment apparatus
02/24/2004US6695895 Fuel vapor handling apparatus and diagnostic apparatus thereof
02/24/2004US6695894 Method and apparatus for removing vapor phase contaminants from a flue gas stream
02/24/2004US6695018 Collection scoop for flue gas desulfurization systems with bleed streams or ex situ forced oxidation
02/24/2004US6695008 Liquid distributor for columns
02/24/2004US6694999 Systems for well gas collection and processing
02/24/2004US6694775 Pressurization, vaporization, selective adsorption
02/24/2004US6694768 Non-frost deep-freezing gas dehydrator
02/24/2004US6694724 Exhaust emission control apparatus of internal combustion engine and control method of the same
02/24/2004CA2083631C Treatment of water
02/24/2004CA2078966C Process for elimination of low concentrations of hydrogen sulfide in gas mixtures by catalytic oxidation
02/23/2004CA2411488A1 Method of recovering chlorine gas from calcium chloride
02/19/2004WO2004015804A2 Metal coated polymer electrolyte membrane having a reinforcement structure
02/19/2004WO2004015346A1 Natural gas liquefaction with improved nitrogen removal
02/19/2004WO2004015252A1 Exhaust system for a lean-burn ic engine
02/19/2004WO2004015251A1 Exhaust gas filter and method for cleaning an exhaust gas
02/19/2004WO2004015250A1 Device and method for the purification of exhaust gas in an internal combustion engine
02/19/2004WO2004015035A1 Apparatus for treating cos for gas produced by gasification and method for treating cos
02/19/2004WO2004014793A1 FLUE GAS TREATMENTS TO REDUCE NOx AND CO EMISSIONS
02/19/2004WO2004014792A1 Method for isolating hydrogen sulphide from coke-oven gas with the subsequent recovery of elemental sulphur in a claus plant
02/19/2004WO2004014553A1 Ceramic honeycomb structural body
02/19/2004WO2004014546A1 Combination of a guard bed and a copper-containing catalyst bed
02/19/2004WO2004014530A1 Method for the production of a ceramic or metal hollow fiber membrane module
02/19/2004WO2004014529A2 Membrane module for the separation of hydrogen and method for the production thereof
02/19/2004WO2004014526A1 Method for separating gaseous mixtures
02/19/2004WO2004014525A1 Method and system for treating exhaust gas
02/19/2004WO2004014524A2 Device for the controlled adsorption of humidity
02/19/2004WO2004014523A1 Method of separating target gas
02/19/2004WO2004014522A2 Impermeable device for absorbing humidity
02/19/2004WO2004014439A2 Nonthermal plasma air treatment system
02/19/2004WO2003101612A3 Catalyst for co and voc oxidation comprising alumina and ceria support
02/19/2004WO2003096747A3 Plasma heating apparatus and methods
02/19/2004WO2003067156A3 Desiccant dehumidification system
02/19/2004WO2003023890A3 Hydrophilic polymers and their use in electrochemical cells
02/19/2004WO2002081045A3 Meniscus membranes for separations
02/19/2004US20040033893 Silicon carbide based porous article and method for preparation thereof
02/19/2004US20040033370 Exhibits, in the n-butane/isobutane separation, an n-butane permeance of at least 6.10-7 mol/m2.s.Pa and a selectivity of at least 250 at the temperature of 180 degrees C.
02/19/2004US20040033340 Electrode cleaner for use with electro-kinetic air transporter-conditioner device
02/19/2004US20040033192 Recovering elemental sulphur, characterized by using a catalyst that has a support of alumina, titania, or zirconia and doped with iron, cobalt, nickel, copper and/or vanadium; catalyst resists deactivation from the BTX in Claus process
02/19/2004US20040033185 Using zeolite SSZ-64 for reduction of oxides of nitrogen in a gas stream utility
02/19/2004US20040033178 For cooking fumes/volatile organic compounds and treating particles deposited on monolithic support
02/19/2004US20040033175 For purifying exhaust gases of an engine; for oxidative removal of carbon monooxide and hydrocarbon and reduction of nitrogen oxides
02/19/2004US20040033173 Comprises electroconductive carrier supporting catalyst, and heating mechanism for heating carrier by electromagnetic induction; for decomposing and detoxifying ozone layer destruction materials such as chlorofluorohydrocarbons
02/19/2004US20040033172 Including dust collection, sulfurous acid absorption and reductive insolubilization of selenic acid
02/19/2004US20040033153 Fluid transport system and method therefor
02/19/2004US20040031758 Composition and process for removing moisture from hydrogen halides
02/19/2004US20040031729 A fluidized bed containing a sulfur-absorbing solid particulates for removing sulfur from a hydrocarbon fuel stream
02/19/2004US20040031591 Onboard hydrogen storage unit with heat transfer system for use in a hydrogen powered vehicle
02/19/2004US20040031469 Method and system of evaporative emission control using activated carbon fibers