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)
12/2002
12/10/2002CA2249805C Exhaust heat recovery boiler
12/05/2002WO2002097937A1 Inductively coupled high-density plasma source
12/05/2002WO2002097158A1 Application of dense plasmas generated at atmospheric pressure for treating gas effluents
12/05/2002WO2002096827A1 Porous ceramic sintered body and method of producing the same, and diesel particulate filter
12/05/2002WO2002096732A1 Regeneration of air dryer
12/05/2002WO2002096591A1 Postcombustion removal of n2o in a pulsed corona reactor
12/05/2002WO2002096577A1 Method of collecting glass by reducing environmental load from lcd
12/05/2002WO2002096539A1 Pressure-swing adsorption method and installation
12/05/2002WO2002096531A1 Method and device for the production of polyethyleneterephthalate
12/05/2002WO2002076577A3 Compositions of insoluble magnesium containing minerals for use in fluid filtration
12/05/2002WO2002047798A3 Method and apparatus for selectively removing oxygen using a non-catalytic electrode in an electrochemical cell
12/05/2002WO2002033334A3 Method and installation for purifying and recycling helium and use in optical fibre manufacture
12/05/2002US20020183407 Macroporous foams comprising microporous zeolite or zeotype material and preparation thereof by using polymeric templates having sponge structure
12/05/2002US20020183197 Useful for the removal of mercury and other metals, as well as furans, dioxins and other organic compounds from gaseous streams
12/05/2002US20020183193 Process for preparing silicate porous product
12/05/2002US20020183191 Zeolite/alumina catalyst support compositions and method of making the same
12/05/2002US20020182135 Desulfurization of hydrocarbon fuels
12/05/2002US20020182134 Using mixed oxide catalyst
12/05/2002US20020182131 Heated catalytic treatment of an effluent gas from a substrate fabrication process
12/05/2002US20020182130 Method and apparatus for combustion toxicity-elimination of PFC gas
12/05/2002US20020182127 Device and method for removing nitrogen oxides from the exhaust gas from lean-burn internal combustion engines
12/05/2002US20020182126 Device for catalytic conversion having a support body which is attached to a casing in certain areas
12/05/2002US20020182125 Liquid scrubbing; removal impurities
12/05/2002US20020182122 Reduction catalyst; air pollution control; reducing nitrogen oxides
12/05/2002US20020180118 Ceramic honeycomb catalyst carrier and method for preparation thereof
12/05/2002US20020180117 Material comprising substrate with outermost hydrophilic layer comprising hydrophilic metal oxide particles and hydrophilic inorganic amorphous material; antifogging and antifouling properties
12/05/2002US20020180072 Wet scrubber
12/05/2002US20020180070 Unit for contacting liquid and fumes provided with a safety liquid reserve, and method for feeding said reserve
12/05/2002US20020179887 Supported perovskite-type oxides and methods for preparation thereof
12/05/2002US20020179520 Multi-well microfiltration apparatus
12/05/2002US20020179496 Withdrawal effluent; quenching; process control
12/05/2002US20020178925 Gas-liquid contact plate and gas-liquid contactor
12/05/2002US20020178923 Chemisorption; air pollution control
12/05/2002US20020178922 For internal combustion engines; honeycomb filter; sintered silicon carbide
12/05/2002US20020178918 Process for dehydrating and stripping a wet natural gas
12/05/2002US20020178917 Method for regenerating a loaded wash liquid from a gas desulfurization facility
12/05/2002US20020178916 Two stage flash for hydrocarbon removal
12/05/2002US20020178915 Absorber on monolithic carrier
12/05/2002US20020178914 Using type x zeolite
12/05/2002US20020178913 Helium recovery process
12/05/2002US20020178716 System and method for removing NOx from an emission control device
12/05/2002US20020178715 Exhaust emission control device and exhaust emission control method for natural gas engine
12/05/2002US20020178706 Air filtering device
12/05/2002DE10126842A1 Kitchen air filtration process involves removing grease and water, residual humidity and finally odors
12/05/2002DE10126665A1 Automotive fuel cell, for use in gas filter system, comprises cold start-up droplet separator, adsorbent unit and oxidation stage within single housing
12/05/2002DE10126101A1 Druckwechseladsorptionsverfahren und -anlage PSA process and system,
12/05/2002DE10124550A1 Sensor und Verfahren zur Überwachung und Steuerung von Katalysatoren, insbesondere von Kraftfahrzeugkatalysatoren Sensor and method for monitoring and controlling of catalysts, in particular motor vehicle catalysts
12/04/2002EP1262644A2 Catalytic converter
12/04/2002EP1262643A1 Vehicle exhaust system with catalysts in an exhaust pipe section
12/04/2002EP1262642A2 Exhaust gas purifying system
12/04/2002EP1262641A1 Carbon particle reducing apparatus
12/04/2002EP1262640A1 Exhaust line of an internal engine, especially diesel engine from utility vehicles such as trucks or buses, with an integrated device for treating an exhaust gas an attenuate noise
12/04/2002EP1262224A1 Process for the catalytic decomposition of nitrous oxide (N2O)
12/04/2002EP1261571A1 A method for removing polymer from an acid gas treating system
12/04/2002EP1261547A1 Removal of laughing gas in nitric acid production
12/04/2002EP1261412A1 Method for reclamation and/or separation of sulphur oxyfluorides from gas mixtures
12/04/2002EP1261411A1 Apparatus and method for separating fluids through a membrane
12/04/2002EP1261410A2 Process for recovering processing liquids
12/04/2002EP1140700B1 Process for the recovery of sulphur from lead-acid battery scrap
12/04/2002EP1067277B1 Exhaust emission control device for internal combustion engines
12/04/2002EP0863846B1 Composition based on zirconium oxide and cerium oxide, preparation method therefor and use thereof
12/04/2002EP0839070B1 Method for purifying exhaust from wood manufacturing processes
12/04/2002CN2523490Y Small Variable-pressure absorption oxygen plant
12/04/2002CN2523489Y Multifunctional cooker hood
12/04/2002CN2523487Y High efficiency desulfurizing purifier
12/04/2002CN1382982A Process for preparing filtering agent of potential controlled electroly sis-type NO gas sensor
12/04/2002CN1382981A Process for preparing filtering agent of potential controlled electrolysis-type CO gas sensor
12/04/2002CN1382529A Self-drying corona discharge process and equipment for cleaning fume
12/04/2002CN1382524A Dxidation catalyst and Oxidation method and appts. using same
12/04/2002CN1382518A Desulfurizing process and equipment with regeneratable sulfurizing agent
12/04/2002CN1382517A Method and appts. for reducing discharge of nitrogen oxide in selective catalytic reduction system
12/04/2002CN1382516A A circulating fluidized bed process for cleaning fume by adding iron ash and its equipment
12/04/2002CN1382515A Electrolyzing process and equipment for desulfurizing sodium chloride
12/04/2002CN1382514A Sequential liquid stream type desulfurizing equipment for fume
12/04/2002CN1382513A Desulfurizing process and equipment able to regenerates sulfurizing agent
12/04/2002CN1095402C Catalyst for eliminating nitrogen oxide by means of microwave catalysis
12/04/2002CN1095390C Method and appts. for eliminating acid mist and acid liquor created by ADC foaming agent condensation process
12/04/2002CN1095389C Process for treating nitrogen oxide/co mixed gas
12/04/2002CN1095388C Dechlorinating agent and its preparing method
12/04/2002CN1095387C High efficiency flexible variable-pressure adsorption tech
12/03/2002US6489515 Gas-phase dehydration reaction process
12/03/2002US6489259 For purifying exhaust gases from an internal combustion engine
12/03/2002US6488906 From the chemical vapor deposition step in producing semiconductors; adding ammonia and a noble metal catalyst; one step and no n2o is produced as a by-product
12/03/2002US6488905 Destruction of waste gas
12/03/2002US6488904 Catalytic converter comprising a refactory metal honeycomb substrate, platinum group metal catalyst and refractory diffusion barrier to unburnt hydrocarbons whereby hydrocarbon oxidation is reduced
12/03/2002US6488903 Method for cleaning diesel engine exhaust gas
12/03/2002US6488902 Absorbing entrained lubricating oil, alumina coated with a precious metal catalyst to reduce hydrogen peroxide to water and oxygen
12/03/2002US6488900 Method and apparatus for air purification
12/03/2002US6488899 Inlet at the transition between a lower, large diameter tank section which contains a liquid slurry level, and an upper small diameter absorber section; flue gas desulfurization absorber tower
12/03/2002US6488838 Chemical reactor and method for gas phase reactant catalytic reactions
12/03/2002US6488819 Process and apparatus for chemical conversion
12/03/2002US6488748 Canister structure for internal combustion engine
12/03/2002US6488747 Pressure swing adsorption with axial or centrifugal compression machinery
12/03/2002US6488745 Trap apparatus and method for condensable by-products of deposition reactions
12/03/2002US6488742 Settling, withdrawal of sludge
12/03/2002US6488741 Light hydrocarbon separation using 8-member ring zeolites
12/03/2002US6488739 Fluid flow over perovskite membrane coated with metal or metal oxide
12/03/2002US6488269 Wet scrubber
12/03/2002US6487877 Nitrogen generation process
12/03/2002US6487875 Aqua-ammonia absorption system generator utilizing structured packing