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)
06/2004
06/17/2004WO2004050255A2 Method for separating gas mixtures and a gas centrifuge for carrying out this method
06/17/2004WO2004050228A2 Ruthenium stabilization for improved oxidation/reduction catalyst systems
06/17/2004WO2004050223A2 Polyimide blends for gas separation membranes
06/17/2004WO2004050219A1 Particle trap with coated fibre layer
06/17/2004WO2004050218A1 Photocatalyst purifying system
06/17/2004WO2004050217A1 Method for removing harmful substance in bent gas
06/17/2004WO2004050154A1 Apparatus and process for carbon dioxide absorption
06/17/2004WO2004030794A3 Gas compressor with drier
06/17/2004WO2004030452A3 Device for providing microclimate control
06/17/2004WO2004026438A3 Coconut mesocarp-based biofilter material and its use in a wastewater treatment system.
06/17/2004WO2004022194A3 Treatment of spent caustic refinery effluents
06/17/2004WO2003105982A3 Chemical/biological decontamination filter
06/17/2004WO2003074160A3 Device for the preparation and separation of especially biologically organic flow media
06/17/2004US20040116288 Used in catalytic reactions and providing, by their structural characteristics, particular flow regimes for the hydrodynamics of the fluids flow which are beneficial to the catalytic activity of the conversion of the gaseous and/or liquid reactants
06/17/2004US20040116285 Catalyzed diesel particulate matter filter with improved thermal stability
06/17/2004US20040116276 Exhaust aftertreatment emission control regeneration
06/17/2004US20040115574 Delivering molybdenum from a lubricant source into a fuel combustion system
06/17/2004US20040115112 Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process waters
06/17/2004US20040115111 Partial odorless regeneration with ammonia
06/17/2004US20040115110 Including freezing point depressant; preventing urea crystallization to minus forty degrees celsius; nonclogging
06/17/2004US20040115109 Natural gas deacidizing and dehydration method
06/17/2004US20040115105 Purifier
06/17/2004US20040115104 Emission gas purification catalyst and internal combustion engine provided with the catalyst
06/17/2004US20040115103 Preventing equipment damage; glass bursts releasing fumes into environment when excess volume is too large to vent through safety valve
06/17/2004US20040115074 Device for generating a reducing agent/air mixture
06/17/2004US20040112972 Battery powered humidity indicator
06/17/2004US20040112741 Method and system for producing dry gas
06/17/2004US20040112733 Gas purifying system, gas purifying method and discharge reaction apparatus utilized for gas purifying system
06/17/2004US20040112349 Separation membrane cartridge with bypass
06/17/2004US20040112219 Intake tube assembly with evaporative emission control device
06/17/2004US20040112215 imposes a venturi effect on air flow effective to accelerate it so that turbulent mixing of the waste paint and the water takes place and results in improved capture of waste paint by the water ahead of the primary scrubber section
06/17/2004US20040112214 filter element is constructed and arranged to exhibit a structural failure when saturated with the odorous compound such as hydrogen sulfide
06/17/2004US20040112213 gas adsorbing filtration media, flow channel particulate filtration media, electrical charge combination filters exhibit an advantageously low pressure drop over its lifetime
06/17/2004US20040112211 to flow oxygen-enriched air into the enclosed space if the percent of oxygen in the enclosed space falls to or below a pre-selected value and shut off the supply of oxygen-enriched air when the oxygen content rises to a pre-selected value
06/17/2004US20040112085 can easily be retrofitted to existing pumped liquid oxygen cycle air separation units
06/17/2004US20040112084 Process and apparatus for the recovery of krypton and/or xenon
06/17/2004US20040112077 Dehumidifier/air-conditioning system
06/17/2004US20040112056 Integrated system and process for effluent abatement and energy generation
06/17/2004US20040112043 Exhaust gas cleaner for internal combustion engine
06/17/2004US20040112042 Method for desulfating a nitrogen oxide storage catalyst
06/17/2004DE29924631U1 Engine for burning gases charged with impurities, especially sewage gas and waste gas
06/17/2004DE202004004812U1 Device for desorbing adsorber surfaces for microwave thermal desorbers used in analytical purposes comprises a concentric tubular ring made from an electrically non-conducting material, and a centrally arranged antenna unit of a magnetron
06/17/2004DE10354276A1 Exhaust gas purification device for diesel engines comprises oxidation catalyst arranged before another oxidation catalyst in exhaust gas line, bypass, and unit for changing flow path of exhaust gas
06/17/2004DE10351520A1 Abgasreinigungsvorrichtung und Abgasreinigungsverfahren für einen Motor Exhaust gas purification device and exhaust purification method for an engine
06/17/2004DE10350264A1 Katalysatortemperatursteuerung durch Mikrowellen induzierte Partikeloxidation Catalyst temperature control by microwave induced particle oxidation
06/17/2004DE10349126A1 Abgasnachbehandlungssysteme Exhaust aftertreatment systems
06/17/2004DE10348799A1 Abgasnachbehandlungssysteme Exhaust aftertreatment systems
06/17/2004DE10347132A1 Abgasnachbehandlungssysteme Exhaust aftertreatment systems
06/17/2004DE10346715A1 Diesel-Abgasnachbehandlungssysteme Diesel exhaust aftertreatment systems
06/17/2004DE10346714A1 Diesel-Nachbehandlungssysteme Diesel aftertreatment systems
06/17/2004DE10346315A1 Diesel-Abgasnachbehandlungssysteme Diesel exhaust aftertreatment systems
06/17/2004DE10346268A1 Kornfliessbettvorrichtung Grain fluid bed apparatus
06/17/2004DE10256076A1 Smoke gas cleaning installation, comprises filter with heat storage material layer through which gases pass, housing and filter material outlet
06/17/2004DE10254763A1 Automotive start-up catalytic exhaust metal manifold pipe has elbow section containing metal honeycomb or metal gauze with catalytic washcoat
06/17/2004DE10249610A1 Verfahren und Vorrichtung zur Steuerung eines NOx-Speicherkatalysators Method and apparatus for control of a NOx storage catalytic converter
06/17/2004CA2508473A1 Method for separating gas mixtures and a gas centrifuge for carrying out this method
06/16/2004EP1429099A1 Process and apparatus for the recovery of krypton and/or xenon
06/16/2004EP1428993A1 Method for operating a multi-cylinder internal combustion engine
06/16/2004EP1428864A1 Process for deacidification and dewatering of a natural gas
06/16/2004EP1428577A1 Metal catalyst carrier
06/16/2004EP1428572A1 Zeolite laminated composite and zeolite membrane reactor using the same
06/16/2004EP1428568A1 Laminated zeolite composite and method for preparation thereof
06/16/2004EP1428567A1 Exhaust emission control apparatus for internal combustion engine
06/16/2004EP1428284A2 Hydrophilic polymers and their use in electrochemical cells
06/16/2004EP1427668A1 Device for the generation of hydrogen
06/16/2004EP1427667A2 Fuel reforming system
06/16/2004EP1427514A1 LEAN NOx TRAP/CONVERSION CATALYST
06/16/2004EP1427513A1 Desiccant based on clay-bound zeolite, process for its preparation and its use
06/16/2004EP1427512A1 Gas separation membrane with organosilicon-treated molecular sieves
06/16/2004EP1427511A1 Metal solution-diffusion membrane and method for producing the same
06/16/2004EP1427510A1 Method for desulphurising acid gases using catalysts that are insensitive to oxidation and contain aminocarboxylate
06/16/2004EP1427509A4 Nano coupling magnetoadsorbent
06/16/2004EP1427509A1 Nano coupling magnetoadsorbent
06/16/2004EP1427508A1 Helium recovery
06/16/2004EP1265687B1 Combined vapour and particulate filter
06/16/2004EP1229994B1 Reduction of n2o emissions
06/16/2004EP1206671B1 Drying and/or dry process preservation method using semi-permeable membrane
06/16/2004EP1027149B1 Catalytic membrane reactor with a three dimensional catalyst in the oxidation zone
06/16/2004EP0898486B1 Apparatus for passive hypoxic training
06/16/2004EP0823280B1 Photocatalyst filter device
06/16/2004EP0757774B2 Improvements to methods for heat treating flue gas cleaning residues and residues from the industrial process generating said flue gases
06/16/2004CN2620579Y Odor treatment device
06/16/2004CN1505592A Activated carbon for odor control and method for making same
06/16/2004CN1504680A System for managing smoke and dust from chimney
06/16/2004CN1504256A Wet desulfurization dust-removing assembling uint
06/16/2004CN1154150C Beam generation apparatus
06/16/2004CN1153932C Twin tower air dryer
06/16/2004CN1153786C Method of eliminating malodours from gas
06/16/2004CN1153623C Exhaust emission control catalyst element, catalyst structure, production method thereof, exhaust emission control apparatus and method using the apparatus
06/16/2004CN1153619C High strength and high surface area catalyst, catalyst carrier or adsorbent compositions
06/16/2004CN1153610C Bio-tower
06/16/2004CN1153609C Method and device for purifying air
06/15/2004US6750168 Zeolite underlayer disposed over substrate; and a catalyst overlayer disposed over underlayer having a non-catalyst loading of about 1.0 g/in3 or less; adsorbing hydrocarbons contained in engine exhaust gas during cold start
06/15/2004US6749826 Carbon nanotube coatings as chemical absorbers
06/15/2004US6749822 Distinction can be made between cold and hot zones with relatively low and higher gas temperatures and are exhausted and treated as separate partial flows
06/15/2004US6749820 Chloride/sulfate removal system
06/15/2004US6749805 Self-contained; battery powered; portable; pollution control
06/15/2004US6749671 Abatement of effluents from chemical vapor deposition processes using organometallic source reagents
06/15/2004US6749670 Process for trapping particulate matter in hot gas and trap therefor
06/15/2004US6749668 Process for the recovery of combustible components of a gas stream