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)
08/2005
08/30/2005US6935104 Engine control system
08/30/2005US6935103 utilizes reduction of nitrogen oxides which are present in the exhaust gas from internal combustion engines by way of gaseous ammonia with an SCR catalytic converter
08/30/2005US6935102 gases pass through first and second catalysts, carbon monoxide concentration in first catalyst is sufficiently high to reduce nitrogen oxide to nitrogen, oxygen is introduced to oxidize carbon monoxide and hydrocarbons to carbon dioxide, water
08/30/2005US6935100 Method for warm-up catalyst of exhaust gas treatment device
08/30/2005CA2270214C Container of a drying system containing adsorption medium
08/26/2005CA2493653A1 Catalyst configuration and methods for syngas production
08/25/2005WO2005078254A1 Method for determining the instant at which a nitrogen oxide storage catalyst is switched from the storage phase to the regeneration phase and for diagnosing the storage properties of this catalyst
08/25/2005WO2005078252A1 Engine exhaust emission control system
08/25/2005WO2005078251A1 Scr muffler
08/25/2005WO2005078250A1 Engine exhaust emission control system
08/25/2005WO2005078249A1 Reservoir for an exhaust aftertreatment medium of an exhaust aftertreatment device for vehicles having diesel combustion engines
08/25/2005WO2005077830A1 Treatment of alkaline bayer process residues
08/25/2005WO2005077824A1 Oxygen concentrating apparatus
08/25/2005WO2005077818A1 Single stage membrane reactor for high purity hydrogen production
08/25/2005WO2005077532A1 Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder
08/25/2005WO2005077523A1 System for treating contaminated gas
08/25/2005WO2005077506A1 Mixing element and static fluid mixer using the same
08/25/2005WO2005077498A1 Sulfur oxide adsorbents and emissions control
08/25/2005WO2005077497A1 Exhaust gas cleaning catalyst with an axially varying precious metal concentration and processes for making the catalyst
08/25/2005WO2005077496A1 Method and apparatus for treating gas containing fluorine-containing compounds
08/25/2005WO2005077495A1 Methods for reducing particulate matter emissions from diesel engine exhaust using ethanol/diesel fuel blends in combination with diesel oxidation catalysts
08/25/2005WO2005077494A1 Oxygen-absorbing compositions and method
08/25/2005WO2005077493A1 Desiccant bottle cap
08/25/2005WO2005077488A1 Gas filtration system and filter cleaning method
08/25/2005WO2005076919A2 Hydrogen-selective silica-based membrane
08/25/2005WO2005076904A2 Process to sequester co2 in natural gas hydrate fields and simultaneously recover methane
08/25/2005WO2005058488A3 Process for the preparation of an oxidic catalyst composition comprising a divalent and a trivalent metal
08/25/2005WO2005058448A3 Process for the removal of heavy metals from gases, and compositions therefor and therewith
08/25/2005WO2005028708A3 Method for the electrolysis of an aqueous solution of hydrogen chloride or chloralkali
08/25/2005WO2005005023A3 Device for the separation of at least one constituent of a gaseous mixture by means pressure-varied adsorption
08/25/2005WO2004052487A8 Rectangular parallelepiped fluid storage and dispensing vessel
08/25/2005US20050187099 Palladium supported on an aluminum composite of oxides of a Lanthanide, aluminum and an element from groups 1 to 5 or groups 12 to 14, made from an aqueous nitrate solution or aqueous chloride solution and a carboxylic acid; improved activity of the precious metal
08/25/2005US20050186880 Drying wet gel of silicon dioxide to form porous particle of silicon dioxide and mixing a substance selected from calcium, calcium oxide, fluoropolymers, calcium carbonate, barium oxide, adhering silicon dioxide to an outer periphery of the substance; for organic electroluminescence display
08/25/2005US20050186871 Photocatalysts, electrets, and hydrophobic surfaces used to filter, clean, disinfect, and deodorize
08/25/2005US20050186389 Honeycomb structure
08/25/2005US20050186127 catalyst supports comprising honeycomb structures and thin films of crystal agglomerations, in the interiors of housings, used for cleaning exhaust gases of internal combustion engines such as gasoline or diesel engines; catalytic exhaust systems
08/25/2005US20050183853 Device for optimizing the production of gaseous nitrogen using hollow fiber separation membranes
08/25/2005US20050183577 Broad spectrum filter system including tungsten-based impregnant and being useful for filtering contaminants from air or other gases
08/25/2005US20050183573 Method for separating gas mixtures
08/25/2005US20050183572 Life support oxygen concentrator
08/25/2005US20050183490 Systems and methods for detecting contaminants
08/25/2005US20050183336 Fuel gas manufacturing apparatus and method of operating same
08/25/2005DE19816311B4 Anordnung zur Überwachung der Wasserabscheidung und Überwachung der Drucktaupunkttemperatur in Kälte-Drucklufttrocknern Arrangement for monitoring the water separation and monitoring the pressure dew in refrigeration compressed air dryers
08/25/2005DE10308618B4 Emissionssteuerungssystem für eine Brennkraftmaschine An emission control system for an internal combustion engine
08/25/2005DE102004006384A1 Foamed molded part for protecting electronic components, e.g. in a transmitter, comprises a foam material containing moisture-binding material and having recess(es) for electronic components
08/25/2005DE102004005819A1 Flüssigkeitsbehälter Liquid container
08/25/2005CA2555926A1 Hydrogen-selective silica-based membrane
08/25/2005CA2553891A1 Sulfur oxide adsorbents and emissions control
08/24/2005EP1566600A1 Desiccant unit
08/24/2005EP1566457A1 Multiple phase alloys and membranes thereof for hydrogen separation-purification and their method of preparation.
08/24/2005EP1566214A1 Catalytic article
08/24/2005EP1566210A1 Method for removing harmful substance in bent gas
08/24/2005EP1565539A1 Composite material and use thereof for controlling thermal effects in a physicochemical process
08/24/2005EP1565253A2 CATALYST UNIT FOR REDUCTION OF NO sb X /sb -COMPOUNDS
08/24/2005EP1565252A1 Process for the treatment of waste gas and unit suitable for use therein
08/24/2005EP1565250A1 Emission treatment system
08/24/2005EP1565249A1 Membrane separation process
08/24/2005EP1565248A1 Process for removing sulphur compounds including hydrogen sulphide and mercaptans from gas streams
08/24/2005EP1565247A1 High pressure gas processing configurations and methods
08/24/2005EP1565246A1 Gas supply and recovery for metal atomizer
08/24/2005EP1565245A2 Acoustical stimulation of vapor diffusion system and method
08/24/2005EP1492610B1 Method and system for desorption and recovery of desorbed compounds
08/24/2005EP1471975B1 Method and installation for producing breathable air
08/24/2005EP1387931B1 Method and apparatus for manufacturing a catalytic converter
08/24/2005EP1357992A4 Fluid and bioaerosol management
08/24/2005EP1086738B1 Purifying agent for flue gas and incinerated ash and purification method using the same
08/24/2005CN2719384Y Gas filtering apparatus
08/24/2005CN2719383Y Wet-process impact static composite desulfurizing dust collector
08/24/2005CN2719382Y Electronic air purifier demonstrating apparatus
08/24/2005CN1659367A Cleanable device for depollution of an engine exhaust gases
08/24/2005CN1659201A Process for the production of melamine from urea, and particularly to obtain melamine-free off-gas in the first separation step
08/24/2005CN1659114A Fabrication of low thermal expansion calcium aluminate articles
08/24/2005CN1659100A Ammonia storage and injection in NOx control
08/24/2005CN1658965A Desulfurization system with enhanced fluid/solids contacting
08/24/2005CN1658964A Desulfurization system with novel sorbent transfer mechanism
08/24/2005CN1658956A Process and apparatus for reducing the content of NOx and N2O in gases
08/24/2005CN1658955A Ozone filter material
08/24/2005CN1658954A Process for reducing NOx in waste gas streams using chlorine dioxide
08/24/2005CN1658953A Oxidation of NOx's with sodium chlorite in combination with a thermal NOx removal process
08/24/2005CN1658952A Process for reducing NOx in waste gas streams using chlorine dioxide
08/24/2005CN1658951A Oxidation of NOx's with chlorine dioxide in combination with a thermal NOx removal process
08/24/2005CN1658950A Method for clarifying exhaust gas
08/24/2005CN1658949A A system and method for controlling moisture levels in cavities within buildings
08/24/2005CN1658948A Encapsulated active particles and methods for making and using the same
08/24/2005CN1658947A Contact structures
08/24/2005CN1658909A Plasma sterilizer having dehumidifier
08/24/2005CN1657155A Film type drier for closed electronic device and its manufacturing method
08/24/2005CN1657142A Air purifying technology
08/24/2005CN1657141A Method for eliminating stink odor from air in sewage treating work
08/24/2005CN1657140A Turbulent ball tower, cyclone board tower combined antimony smelting smoke gas desulfur technology and device
08/24/2005CN1657139A Preparation of nitnogen oxide storing-reducing catalyst and method for eliminating nitrogen oxide by storing and reduction
08/24/2005CN1657138A Purification of hydride gases
08/24/2005CN1216289C Double chromatographic column natural gas composition separation method with precolumn counter-blowing function
08/24/2005CN1216092C Salt of polyacylimino-amic acid and polyacylimine film formed therefrom
08/24/2005CN1215979C Process for producing fine calcium carbonate by wet carbon solidification method using industrial flue
08/24/2005CN1215897C Method for desulfurization of waste gas and coking waste water treatment and its equipment
08/24/2005CN1215896C Double-vortex smoke washing device
08/23/2005US6933259 Composite oxide powder, a method for producing the same and a catalyst using the same
08/23/2005US6933151 Analyzing efficiency of catalytic exhaust systems using pollution control apparatus comprising gas detectors and nitrogen oxides adsorber materials; desulfation and adjusting air to fuel ratios, for regeneation of catalyst
08/23/2005US6932956 Production of sulphur and activated carbon