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)
01/1999
01/14/1999DE19825207A1 Use of silver-containing solid
01/14/1999DE19746129C1 Combined heat exchanger and scrubber for combustion air and effluent gases associated with engines or heating equipment
01/14/1999DE19730015A1 Post-combustion flue gas catalyst
01/14/1999DE19729739A1 Process to remove carbon dioxide from respiratory gases in medical esp. anaesthetic application
01/14/1999DE19727743A1 Absorption assembly to separate e.g. atmospheric oxygen and nitrogen
01/14/1999DE19727741A1 Adsorptive separation of oxygen from air
01/14/1999DE19727268C1 Validation of reductant dosing unit for hot diesel exhaust gas selective catalytic reducer
01/14/1999CA2295850A1 Method for treating gases to reduce nitrogen oxide emissions using a catalytic composition based on silica and titanium oxide
01/14/1999CA2294718A1 High frequency rotary pressure swing adsorption apparatus
01/13/1999EP0890789A1 Combustion equipment for flue gas exhausting plants
01/13/1999EP0890630A1 Method for cooling polluted gas
01/13/1999EP0890548A2 Water vapor trap and liquid separator for singlet-delta oxygen generator
01/13/1999EP0890392A1 Method and apparatus for operating an assembly of nozzles
01/13/1999EP0890389A1 Solid material for adsorption and catalytic removal of nitrogen oxides
01/13/1999EP0890388A2 Carbon dioxide fixation system
01/13/1999EP0890387A1 Process for the separation of a gas mixture with pressure swing adsorption
01/13/1999EP0890386A1 Adsorber specially useful for separation of oxygen and nitrogen
01/13/1999EP0701470B1 Method for producing a gas by adsorption
01/13/1999EP0656810B1 Catalyst and catalytic method for reducing nitrogen oxides
01/13/1999CN2303675Y Gas-vapour seperator
01/13/1999CN1204972A Turblulence indducer in chemical reactor
01/13/1999CN1204548A Solid electrolyte systems for use with furnaces
01/13/1999CN1041604C Cone screen plate gas-liquid distributor
01/12/1999US5859273 Succinic acid derivative degradable chelants, uses and compositions thereof
01/12/1999US5858768 Passing effluent through bed of inert mineral granular material including biomass of autotrophic bacteria which aerobically degrade organic pollutants, sprinkling bed with aqueous liquid, recovering purified and deodorized gas
01/12/1999US5858314 Thermally enhanced compact reformer
01/12/1999US5858243 Use of crystalline intergrowth molecular sieves for removing contaminant metal ions from liquid streams
01/12/1999US5858206 Portion of the water stream from the high pressure receiver is admixed with a reduced amount of refinery condensate, introduced between the first and second compressor stages; removal of impurities at reduced wash water rates
01/12/1999US5858185 Electrolytic apparatus
01/12/1999US5858068 Purification of carbon dioxide
01/12/1999US5858067 Ex situ degassing and sorbate loading system for manufacture of sorbent-based fluid storage and dispensing apparatus
01/12/1999US5858066 Process for separating and recovering fluorocarbons and HCI from gaseous mixtures thereof
01/12/1999US5858065 Effluent gases, e.g. from the semiconductor manufacturing process, efficiently separated using membranes from the ?carrier gases? much faster; based on the mobility selectivity and solubility of each gas
01/12/1999US5858064 Oxygen enriched air generation system
01/12/1999US5858063 Oxygen concentrator with beds' duty cycle control and self-test
01/12/1999US5858062 Pressure swing adsorption system and pressure intendifier; mobility of patient
01/12/1999US5857356 Process for the purification of a cryogenic fluid by filtration and/or adsorption
01/12/1999US5857326 Exhaust poison trap
01/12/1999US5857324 Automobile exhaust system for removing gasses and particulate matter comprising a first chemical reactor with a substance to neutralize any acids in condensate, a second reactor with a substance absorbs carbon monooxide and carbon dioxide
01/12/1999CA2063191C Bonded zeolitic adsorbent agglomerates and method of preparation thereof
01/12/1999CA2034037C Redox-potential control
01/09/1999CA2242528A1 Process for separating a gas mixture by pressure swing adsorption
01/09/1999CA2240486A1 Water vapor trap and liquid separator for singlet-delta oxygen generator
01/07/1999WO1999000588A2 Method and apparatus for injecting hydrogen into a catalytic converter
01/07/1999WO1999000192A1 Fresh air filter
01/07/1999WO1999000184A2 Device for carrying out gas reactions, use of the device and process for operating the device
01/07/1999WO1999000177A1 Catalytic converter for a lean burn internal combustion engine
01/07/1999WO1999000176A1 Catalytic cleaning process of combustion gases
01/07/1999WO1999000175A1 Adsorbing device, method of deodorizing therewith, and method of supplying high-concentration oxygen
01/07/1999EP0889209A1 Exhaust conduit arrangement and method of cleaning exhaust gas from a combustion engine run on excess air
01/07/1999EP0888817A1 Process for producing a catalyst for cleaning exhaust gas
01/07/1999EP0888816A1 Exhaust gas purification catalyst and waste gas purification method
01/07/1999EP0888815A2 Adsorbent for ethylene, method for adsorbing and removing ethylene and method for purifying an exhaust gas
01/07/1999EP0888814A1 Reaction support and reactor for the treatment of solid and fluid reactants subjected to a wave-shaped movement
01/07/1999EP0888809A1 Hollow fiber contactor and process
01/07/1999EP0888808A2 Adsorbent for a hydrocarbon, and exhaust gas-purifying catalyst
01/07/1999EP0888807A1 Process and device for the treatment of gas streams
01/07/1999EP0888806A2 Preparation of inorganic flours from acid gases of combustion and alkaline industrial residuals
01/07/1999EP0888805A2 Process for oxygen-enriching using a solid electrolyte system
01/07/1999EP0888804A2 Controlling atmospheres in containers
01/07/1999EP0888802A2 Porous air filtering and refining material
01/07/1999EP0888782A1 Method and apparatus for the purification of air
01/07/1999EP0888492A1 Caltalytic converter for a tailpipe including apparatus for relieving back pressure
01/07/1999EP0888185A1 PREPARATION AND USE OF NON-CHROME CATALYSTS FOR Cu/Cr CATALYST APPLICATIONS
01/07/1999EP0888168A1 Method for cleaning process gases
01/07/1999EP0888167A1 Methods of removing gaseous elementary mercury from gases in two successive stages
01/07/1999EP0888166A1 Air drying and purification system
01/07/1999EP0888165A1 A method for removing nitrogen oxides, sulfur oxides, and other acid gases from a gas stream
01/07/1999EP0888164A1 Method and device for selectively separating at least one component from a gaseous mixture
01/07/1999EP0888163A1 Odor control system
01/07/1999EP0888135A1 Ozone sterilizer and generator
01/07/1999EP0777526B1 Filter material and process for removing ozone from gases and liquids
01/07/1999DE19827933A1 Flue gas desulphurisation
01/07/1999DE19827566A1 Air drier cartridge
01/07/1999DE19743337C1 Nitrous oxide reduction system for cleaning diesel engine exhaust gas
01/07/1999DE19728870A1 Deformable silencer for engine exhaust system
01/07/1999DE19728701A1 Verfahren zur Herstellung feinkörniger Katalysatoren aus natürlich vorkommendem Zeolith A process for producing fine-grained catalysts from naturally occurring zeolite
01/07/1999DE19728344A1 Removal of nitrous oxide from exhaust or flue gas
01/07/1999DE19728124A1 Pollutant removal from waste gas installations
01/07/1999DE19727376A1 Organic pollutant adsorption from air
01/07/1999DE19727295A1 Filter für Reinluft Filter for clean air
01/07/1999DE19727275A1 Eliminating toxic sulphide containing cellulose waste sludge in stagnant waters
01/07/1999CA2294947A1 Device for carrying out gas reactions, use of the device and process for operating the device
01/07/1999CA2294477A1 Adsorbing device, deodorizing method and method of supplying high-concentration oxygen using the same
01/07/1999CA2243052A1 Separation of a gas stream by a psa process
01/06/1999CN2302843Y Equipment for performing the technique for eliminating smoke removing dust, devulcanizing de-nitrogen for boilar with turning-grate
01/06/1999CN1204279A Oxygen scavenging composition with low migration
01/06/1999CN1204134A Moisture absorption device for electrical apparatus containing dielectric gas
01/06/1999CN1203830A Cleaning process for harmful gas
01/06/1999CN1203829A Process for desulfurization and denitrification by use of low-temperature plasma reactor equipped with condenser
01/06/1999CN1203828A Catalyst for vecovering elemental sulphur selective oxidation of hydrogen sulfide and its preparing method
01/06/1999CN1203764A Nicotine-filtering medium for cigarette
01/06/1999CN1041554C Water storage tank
01/06/1999CN1041496C Catalyst for treating sulfur compound-containing gas and its preparing method and use
01/05/1999US5857140 Catalytic converter
01/05/1999US5856263 Catalysts comprising substantially pure alpha-alumina carrier for treating exhaust gases
01/05/1999US5856250 Ionic substance removing material for use in super-clean room
01/05/1999US5856198 Detection of residues using electrical signals
01/05/1999US5855855 Pollutant remediation system
01/05/1999US5855854 Oxidation catalyst for diesel engine