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)
07/2004
07/29/2004DE10302408A1 Removing phosgene from gas stream comprises hydrolysis with water vapor in presence of active carbon having high water absorption
07/29/2004DE10302095A1 Production of propene oxide, used as chemical intermediate, involves passing nitrogen-hydrogen-oxygen-propene mixture over catalyst in ceramic membrane reactor and removing product from permeation side with inert sweep gas
07/29/2004DE10301606A1 Process for operating a catalyst of an I.C. engine of a vehicle, comprises controlling the amount of re-agent depending on the observed parameter of an adapted observation system
07/29/2004DE10301605A1 Verfahren zum Betreiben eines Katalysators und Vorrichtung zum Dosieren wenigstens eines Reagens Method for operating a device for metering the catalyst and at least one reagent
07/29/2004DE10301603A1 Verfahren zum Dosieren wenigstens eines Reagens in ein Abgas und Vorrichtung zum Dosieren wenigstens eines Reagens in ein Abgas Method for dosing at least one reagent into an exhaust gas and apparatus for metering at least one reagent into an exhaust
07/29/2004DE10301602A1 Verfahren und Vorrichtung zum Betreiben einer Dosiereinheit eines Katalysators Method and apparatus for operating a metering unit of a catalyst
07/29/2004DE10301477A1 Verfahren und Vorrichtung zum Betreiben einer Dosiereinheit eines Katalysators Method and apparatus for operating a metering unit of a catalyst
07/29/2004DE10301436A1 Process for reducing the temperature of I.C. engine exhaust gas, comprises feeding a liquid which does not ignite in the exhaust gas stream downstream of the combustion chamber and upstream of the catalyst
07/29/2004DE10301434A1 Verfahren zur CO-Gas-Entschwefelung Process for the CO-gas desulfurization
07/29/2004DE10301315A1 Klimaanlage für ein Kraftfahrzeug Air conditioning system for a motor vehicle
07/29/2004DE10297150T5 Adsorbens zum Abtrennen von Stickstoff aus einem gemischten Gas aus Sauerstoff und Stickstoff und Stickstoff-Herstellungsverfahren mit dessen Verwendung Adsorbent for separating nitrogen from a mixed gas of oxygen and nitrogen and nitrogen-producing method with the use thereof
07/29/2004DE10261620A1 Partikelfilter mit NOx-Speicherkatalysatorfunktion Particle filter with NOx storage catalytic function
07/29/2004CA2512661A1 Hydrogen reclamation apparatus and method from a treatment furnace exhaust
07/29/2004CA2512520A1 Magnetic activated carbon and the removal of contaminants from fluid streams
07/29/2004CA2453835A1 Pre-converter device for cleaning exhaust gas for an internal combustion engine
07/28/2004EP1441209A2 Gas-selective permeable membrane and method for its production
07/28/2004EP1440953A2 Method and system for treating exhaust gas from cement manufacturing equipment
07/28/2004EP1440935A1 Oxygen enriching device
07/28/2004EP1440731A2 Ce/Cu/Mn-Catalysts and process for making them
07/28/2004EP1440725A1 Flue gas treatment apparatus and desulfurization method
07/28/2004EP1440724A1 METHOD FOR REMOVING HALOGEN−CONTAINING GAS
07/28/2004EP1440722A1 Honeycomb filter
07/28/2004EP1440038A1 Process for generation of finely divided calcium carbonate from calcium carbonate rich industrial by-product
07/28/2004EP1439909A1 Photocatalyst and a method of purifying gaseous effluents
07/28/2004EP1439906A1 Desiccant mass, method for obtaining same and use thereof
07/28/2004EP1439893A2 Selective separation and concentration of toxic nerve agents
07/28/2004EP1370338A4 Compositions of insoluble magnesium containing minerals for use in fluid filtration
07/28/2004EP1328332B1 Exhaust gas purification system
07/28/2004EP1325218B1 Method and device for diagnosing the storing properties of a nox storage catalyst
07/28/2004EP1284930A4 Formation of composite materials with expandable matter
07/28/2004EP1257505B1 Removal of sulfur compounds from wastewater
07/28/2004EP1181321B1 Method for isolating olefins from polyolefin plants
07/28/2004EP1042254B1 Odor-free composting method and installation
07/28/2004EP0983791B1 Method and apparatus for recovering a noble gas
07/28/2004EP0964737B1 Hollow membranes with capillary tubes, modules for treating fluid using same and methods for making same
07/28/2004EP0865796A4 Apparatus for producing a gas mixture for hypoxia training
07/28/2004CN2628132Y Waste gas treatment machine
07/28/2004CN2628130Y Centrifugal mechanical washing machine
07/28/2004CN1516781A Air-fuel ratio controller of internal combustion engine
07/28/2004CN1516717A Polyazole-based polymer films
07/28/2004CN1516614A Method and device for cleaning gas
07/28/2004CN1516239A Photoelectric material, device using the same, and method for mfg. photoelecric material
07/28/2004CN1515791A Waste gas purifier
07/28/2004CN1515352A Preparation method of load type photocatalytic purification net block
07/28/2004CN1515349A Dry flue gas desulfurizing process with independent feeding, back-returning and water-spraying devices
07/28/2004CN1515348A Circulation fluidized dry flue gas desulfurizing process by adopting mixed feeding mode
07/28/2004CN1515347A Calcium base water-proofing composite desulfurizing agent
07/28/2004CN1159557C Refrigerating system and its connecting method
07/28/2004CN1159220C Process for purifying and recovering ammonia gas
07/28/2004CN1159094C Method of regenerating conductive adsorbent carrying organic mater
07/28/2004CN1159093C Shaped body of zeolite, preocess for its production and its use
07/28/2004CN1159090C Pervaporation device for desalination of seawater
07/28/2004CN1159089C Three-effect conversion catalysts and methods for the preparation therefor
07/28/2004CN1159088C Exhaust gas denitration method
07/28/2004CN1159087C Wet-type two-stage absorption and capture equipment for desulfurizing and dusting flue gas
07/28/2004CN1159086C Desulphurizing method and device with regenerable desulfurising agent
07/28/2004CN1159085C Device and method for treating waste gas and pulse generator used in it
07/27/2004US6768109 Method and apparatus for magnetic separation of ions
07/27/2004US6767855 Catalyst for purifying exhaust gas
07/27/2004US6767746 Method and apparatus for analyzing acid gas loading within an amine solution
07/27/2004US6767663 Oxygen separation through hydroxide-conductive membrane
07/27/2004US6767527 Method for recovering CO2
07/27/2004US6767526 Method for treating by combustion carbon-containing particles in an internal combustion engine exhaust circuit
07/27/2004US6767516 Balancing gas flow through chambers
07/27/2004US6767513 Method of treating exhaust gases containing halogen based compound
07/27/2004US6767471 Introducing water-to-be-treated (desalination of saltwater) into a hydrate fractionation column, injecting a hydrate-forming gas or mixture into the water under suitable pressure and temperature conditions to form gas hydrate
07/27/2004US6767434 Method of treating substance and apparatus for carrying out the same
07/27/2004US6767391 Honeycomb structure, for cleaning devices in the fabrication of semiconductors, liquid crystals, and optoelectronics, for example
07/27/2004US6767390 Energy efficient desiccant dryer regeneration system
07/27/2004US6767389 Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of forming the same
07/27/2004US6767388 Process for dehydrating and fractionating a low-pressure natural gas
07/27/2004US6767386 Method and apparatus for producing nitrogen
07/27/2004US6767385 Production method using permeation of at least two gaseous fluxes from a gaseous mixture, and a production installation for implementing this method
07/27/2004US6766642 Exhaust-gas aftertreatment device with nitrogen oxide storage catalytic converter, and operating method therefor
07/27/2004US6766640 Engine exhaust purification device
07/27/2004CA2455943A1 Integrated air filtration unit
07/27/2004CA2103468C Glass furnaces
07/22/2004WO2004061279A1 Pollution control device and mat for mounting a pollution control element
07/22/2004WO2004061278A1 Exhaust gas aftertreatment installation and method
07/22/2004WO2004060810A2 Method and system for supplying high purity fluid
07/22/2004WO2004060794A2 Molecular sieve ssz-63
07/22/2004WO2004060657A2 Acoustic web
07/22/2004WO2004060561A1 Honeycomb catalyst, denitration catalyst of denitration device, and exhaust gas denitration device
07/22/2004WO2004060544A2 Use of a chemical solvent to sepatate co2 from a h2s-rich stream
07/22/2004WO2004060541A1 Method of catalytic reduction of nitrogen oxides and catalyst for use therein
07/22/2004WO2004060540A1 Catalytic gas treatment device which is intended, in particular, for a filter hood for cooking fumes
07/22/2004WO2004060539A1 Membrane module for separation of fluids
07/22/2004WO2004060538A1 Method and device for reducing the carbon dioxide concentration in air
07/22/2004WO2004027226A3 Method and apparatus for reducing a nitrogen oxide
07/22/2004WO2004011286A3 Oxygen-enriched air supplying apparatus
07/22/2004WO2003096383A3 Cavity shapes for plasma-assisted processing
07/22/2004US20040143149 Method for reducing nitrogen oxide emissions in industrial process
07/22/2004US20040142220 Fuel processing system having a membrane separator
07/22/2004US20040142145 Honeycomb structure body
07/22/2004US20040141910 Catalytic membrane reactor for breaking down hydrogen sulphide into hydrogen and sulfur and separating the products of this breakdown
07/22/2004US20040141906 Novel graphite nanocatalysts
07/22/2004US20040141901 Process for the desulfurization of CO gas
07/22/2004US20040141900 Method for processing perfluorocompounds exhaust
07/22/2004US20040141899 Device and method for processing toxic gasses in vortex reacting chamber
07/22/2004US20040141898 NOx reduction composition for use in FCC processes