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)
07/2002
07/18/2002US20020092795 NOx reduction compositions for use in FCC processes
07/18/2002US20020092421 Integrated ion implant scrubber system
07/18/2002US20020092420 Pressure swing adsorption gas separation method and apparatus
07/18/2002US20020092297 Method for operating an emission control system having nitrogen oxide storage
07/18/2002DE10142198A1 Method for controlling an internal combustion engine assesses an amount of NOx emission within short periods of time with great accuracy for emissions control
07/18/2002DE10101663A1 Waste gas purification involves reducing hot gases to mixture of hot gases via suction hood, and using heat stream to transfer large amount of energy to heat exchanger tubes through which rape seed oil is passed
07/18/2002DE10101364A1 Verfahren zur Umwandlung eines festen stickstoffhaltigen Reduktionsmittels in eine Gasphase für die Reduktion von Stickoxiden in sauerstoffhaltigen Abgasen nach dem Prinzip der selektiven katalytischen Reduktion A process for converting a solid nitrogen-containing reducing agent in a gas phase for the reduction of nitrogen oxides in oxygen-containing exhaust gases according to the principle of selective catalytic reduction
07/18/2002DE10101023A1 Purifying waste gas containing vaporous organic compounds, e.g. in the production of 4-fluoro-omega-chloroacetophenone, and inert gas or inert gas mixture involves absorbing vaporous organic compounds in jet nozzle absorbers
07/18/2002DE10065258A1 Modul zum Behandeln von Fluiden und Verfahren zur Herstellung solcher Module Module for treating fluids and methods of making such modules
07/18/2002DE10045586C2 Verfahren sowie Einrichtung zur Reinigung von Schwefeldioxid enthaltenden Rauchgasen Method and device for cleaning flue gases containing sulfur dioxide
07/17/2002EP1223344A1 System for compressing contaminated gas
07/17/2002EP1223322A1 Exhaust emission control system and method for internal combustion engines
07/17/2002EP1222952A1 NOx catalyst comprising alkaline earth-alumina and alkaline earth-zeolite
07/17/2002EP1222940A2 Anaesthetic filter arrangement
07/17/2002EP1222661A1 Rigid multi-functional filter assembly
07/17/2002EP1222371A1 Device for dosing a reducing agent
07/17/2002EP1222370A1 Device and method for metering a reducing agent
07/17/2002EP1222023A1 Sorbent composition, process for producing same and use in desulfurization
07/17/2002EP1222016A1 Conversion of nitrogen oxides in the presence of a catalyst supported of a mesh-like structure
07/17/2002EP1222015A1 Method for purifying waste gases containing organic compounds and dust particles
07/17/2002EP1222014A1 Reactor for plasma treatment of gases
07/17/2002EP1222002A1 Method and apparatus for air purification
07/17/2002EP1091907B1 Molecular sieve cit-6
07/17/2002EP1082526B1 METHOD AND DEVICE FOR PURIFYING EXHAUST GAS OF AN INTERNAL COMBUSTION ENGINE CONTAINING NITROGEN OXIDE (NOx)
07/17/2002EP1051564B1 Process for producing an encased honeycombed body
07/17/2002EP1019457A4 Desiccant deposit
07/17/2002EP0796134B1 Method for treating natural gas containing water and condensible hydrocarbons
07/17/2002CN2500376Y Air filtering purifier
07/17/2002CN2500375Y Compound desulfurizing dusting unit
07/17/2002CN1359367A Ethylene recovery system
07/17/2002CN1359357A Method for disinfecting and purifying liquids and gasses
07/17/2002CN1359311A Method for simul taneously abating nitric oxides and nitrous oxides in gases containing them
07/17/2002CN1359310A Effluent gas stream treatment system having utility for oxidation treatment of semiconductor manufacturing effluent gases
07/17/2002CN1358560A Purifying process for sulfur dioxide waste gas
07/17/2002CN1358559A Rotary wheel regeneration method for waste gas adsorption system using rotary wheel concentration and heat decomposition
07/17/2002CN1087768C Utilization of platinum group in diesel engines
07/17/2002CN1087715C Anaerobic removal of sulphur compounds from waste water
07/17/2002CN1087646C Catalytic vent gas treatment system for abatement of volatile chemical emissions
07/17/2002CN1087645C Method and equipment for desulfurizing flue gas by circulation and fluidization
07/17/2002CN1087644C Process for dry desulphurisation of combustion gas
07/17/2002CN1087643C Flue gas desulfurization process and device of dry desulfurizing agent bed material internal circulation
07/17/2002CN1087642C Magnetic gas-separating device
07/16/2002US6420306 Burned gas purifying catalyst
07/16/2002US6419890 Platinum on catalyst support; desulfurization, denitrification
07/16/2002US6419889 Catalyst, process of making catalyst and process for converting nitrogen oxide compounds
07/16/2002US6419843 Sewer apparatus
07/16/2002US6419827 Purification apparatus and method
07/16/2002US6419799 Gas flow through carbonaceous material concurrent with microwave radiation
07/16/2002US6419728 Hydrogen-permeable metal membrane and method for producing the same
07/16/2002US6419727 Process for the removal of contaminants from a gas, using a gas cleaning agent
07/16/2002US6419726 Multilayer plates; passageways; separation by diffusion
07/16/2002US6419725 Sulfonation a brominated poly(2,6-dimethyl-1.4-phenylene oxide); coating substrate
07/16/2002US6418957 Eductor system and method for vapor recovery
07/16/2002US6418752 Controlling concentration of oxygen, nitrogen
07/16/2002CA2352366A1 A hollow fiber membrane dehumidification device
07/16/2002CA2258632C Apparatus for treatment of exhaust gas containing hydrogen
07/11/2002WO2002053977A1 A biological filter system and a housing for a biological filter system
07/11/2002WO2002053969A1 A device for combustion of a carbon containing fuel in a nitrogen free atmosphere and a method for operating said device
07/11/2002WO2002053892A1 Method for control of a diagnosis of a catalyst in the exhaust of an internal combustion engine
07/11/2002WO2002053888A1 Method and device for controlling an exhaust treatment system
07/11/2002WO2002053887A1 Method and device for controlling an exhaust treatment system
07/11/2002WO2002053886A1 A waste gas purification device for internal combustion engines
07/11/2002WO2002053885A1 Desulfating a nox-trap in a diesel exhaust system
07/11/2002WO2002053674A1 Gas dehydration with cavitation regeneration of potassium formate dehydration solution
07/11/2002WO2002053493A1 Method for the concentration of spent acid
07/11/2002WO2002053491A2 Shell and tube reactor
07/11/2002WO2002053268A1 Elongated adsorbent unit with external fluid communication channels
07/11/2002WO2002053267A1 Fan filter unit and method of manufacturing the unit, exposure device, and method of manufacturing device
07/11/2002WO2002053266A2 Device and method for treating gas effluents
07/11/2002WO2002053265A1 Method for treating a gas by adsorption and corresponding installation
07/11/2002WO2002053257A1 Module for treating fluids and a method for producing a module of this type
07/11/2002WO2002053196A1 Deodorizing device
07/11/2002WO2002033024A3 Oxygen scavenging compositions suitable for heat triggering
07/11/2002WO2002014657B1 Exhaust system for enhanced reduction of nitrogen oxides and particulates from diesel engines
07/11/2002US20020091064 Exhaust gas purifying catalyst and method of producing same
07/11/2002US20020091061 Alkaline earth-alumina catalyst and an alkaline earth-zeolite catalyst, arranged on a substrate such that the gas stream first contacts the alkaline earth-alumina catalyst prior to contacting the alkaline earth-zeolite catalyst.
07/11/2002US20020090512 Composite oxide powder, a method for producing the same and a catalyst using the same
07/11/2002US20020090324 Dual section exhaust aftertreatment filter and method
07/11/2002US20020090323 For treating gas generated during the manufacturing of a semiconductor device
07/11/2002US20020089781 Filter construction for disk drives, and use
07/11/2002US20020089333 System for contactless testing of printed circuit boards
07/11/2002US20020088503 Ventilation of a closed space or closed containers with only one venthole
07/11/2002US20020088347 Shaping powder mixtures and firing to produce permeable, porous multicompartment structures having noncraking green strength, used in the high temperature filtration of diesel fuel exhaust gases
07/11/2002US20020088346 Filtering mass in sheet form for an air filter for an enclosed space, particularly for a motor vehicle cabin, and methods for a motor vehicle cabin, and methods for obtaining the mass
07/11/2002US20020088345 Construction of a cross stream membrane chamber module for the selective separation of hydrogen from reformate gas
07/11/2002US20020088344 Method for regenerating electrically conducting adsorbents laden with organic substances
07/11/2002US20020088261 Method and apparatus for producing a fertilizer from gas containing sulfur oxides
07/11/2002US20020088250 Tunnel fire suppression system and methods for selective delivery of breathable fire suppressant directly to fire site
07/11/2002US20020088245 Air-conditioning system for aircraft
07/11/2002US20020088243 Vapor-compression evaporative air conditioning systems and components
07/11/2002US20020088221 Method and device for generating hot combustion waste gases
07/11/2002US20020088220 Device and method for exhaust-gas aftertreatment in an internal-combustion engine
07/11/2002DE10100420A1 Verfahren und Vorrichtung zur Steuerung eines Abgasnachbehandlungssystems Method and apparatus for controlling an exhaust gas aftertreatment system
07/11/2002DE10100419A1 Verfahren und Vorrichtung zur Steuerung eines Abgasnachbehandlungssystems Method and apparatus for controlling an exhaust gas aftertreatment system
07/11/2002DE10065717A1 Composite catalyst, used for reducing nitrogen oxides in I.C. engine exhaust gases, comprises redox-active cerium oxide species on outer surface of carrier, and indium-oxo species in carrier pores
07/11/2002DE10059515A1 Vorrichtung und Verfahren zur Trennung von Wasserstoff aus einem Gasgemisch bestehend aus Wasserstoff mit mindestens einem weiteren Gas Device and method for the separation of hydrogen from a gas mixture consisting of hydrogen with at least one further gas
07/11/2002DE10043098A1 Verfahren zur NOx-Regeneration eines NOx-Speicherkatalysators A process for the NOx regeneration of an NOx storage catalytic converter
07/11/2002CA2445456A1 Module for treating fluids and a method for producing a module of this type
07/11/2002CA2433043A1 A biological filter system and a housing for a biological filter system
07/11/2002CA2432560A1 Shell and tube reactor