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)
02/2001
02/28/2001EP1077737A1 Nitrous oxide based oxygen supply system
02/28/2001EP1015100A4 Recirculating bubble absorber
02/28/2001EP0831978B1 On-site ammonia purification for semiconductor manufacture
02/28/2001EP0790854B1 Unit and process for temperature swing adsorption
02/28/2001CN2421066Y Waste gas treater
02/28/2001CN2421065Y Machine for smoke prevention and dust control by spraying
02/28/2001CN1285765A Bio-tower
02/28/2001CN1285484A Cock-oven gas purifying system
02/28/2001CN1062487C Electrocatalytic process for gas clean-up
02/28/2001CA2282867A1 Internal combustion engine exhaust treating apparatus and method
02/27/2001US6194346 Photocatalyst and method of making
02/27/2001US6194335 Oxygen generator or fuel cell
02/27/2001US6194198 Device for purifying gases, such as air in particular, or liquids, such as water in particular, and method for use with the device
02/27/2001US6193942 Exposing diesel engine exhaust gas to catalyst comprising refractory three-dimentional structure coated with copper containing inorganic oxide powder which is comprising deposited copper, and catalytically active oxide of metal
02/27/2001US6193934 For emission treatment system to remove oxides of nitrogen nox from flue gases
02/27/2001US6193802 Parallel plate apparatus for in-situ vacuum line cleaning for substrate processing equipment
02/27/2001US6193784 Method for production of zeolite membrane
02/27/2001US6193504 Portable rotary catalytic oxidizer systems
02/27/2001US6193486 Package-type scroll compressor
02/27/2001US6192704 Absorber of absorption system refrigerator
02/27/2001US6192679 Exhaust purification device and method for internal combustion engine
02/27/2001US6192677 Apparatus and method for the after-treatment of exhaust gases from an internal combustion engine operating with excess air
02/27/2001US6192675 Exhaust gas purification device for an internal combustion engine
02/27/2001CA2317061A1 Fluid separation process and separation system therefor
02/27/2001CA2316672A1 Process for preparing monodisperse ion exchangers having chelating functional groups and the use thereof
02/27/2001CA2219367C Catalyst for purifying exhaust gas from internal combustion engine and purifying method thereof
02/25/2001CA2316678A1 Novel adsorbents for preferential nitrogen adsorption from other gases
02/25/2001CA2316664A1 Novel adsorbents for preferential nitrogen adsorption from other gases
02/22/2001WO2001013453A1 Oxygen separation through hydroxide-conductive membrane
02/22/2001WO2001012961A1 Compact catalyst/adsorber for exhaust gas treatment
02/22/2001WO2001012960A1 Mixer element for a fluid that is guided in a pipe
02/22/2001WO2001012570A1 Attrition resistant, shaped, crystalline anionic clay-containing bodies
02/22/2001WO2001012541A1 Production of anhydrous hydrogen chloride from byproduct or waste chlorinated materials
02/22/2001WO2001012324A1 Photocatalyst filter and method for preparation thereof
02/22/2001WO2001012320A1 Catalytic wall-flow filter
02/22/2001WO2001012316A1 Method and apparatus for treating flare stack gases to reduce toxic emissions
02/22/2001WO2001012312A2 Chemical reactor and method for catalytic gas phase reactions
02/22/2001WO2001012305A1 Protection system to prevent damage to a gas diffusion membrane
02/22/2001WO2001012301A1 Device for reducing the nitrogen content of the waste gases of an internal combustion engine
02/22/2001WO2001012300A1 Method for reducing the amount of perfluorocompound gas contained in exhaust emissions from plasma processing
02/22/2001WO2001012299A1 Method and apparatus for treating exhaust gas
02/22/2001WO2001012295A1 Channel flow filter
02/22/2001WO2001012268A1 Ammonia removal from fly ash
02/22/2001WO2000015330A8 Gas storage carbon with enhanced thermal conductivity
02/22/2001DE19939639A1 Removal of high odor contaminants from exhaust air, by passing through moving bed of moist scrap paper which supports microorganisms and which is preferably pre-treated with PTFE separating agent
02/22/2001DE19939148A1 Regeneratable activated charcoal filter device comprises filter containers each containing activated charcoal filter bed with feed stream chamber below each filter bed and outflow chamber above filter beds
02/22/2001DE19938903A1 Apparatus for removing solids from gaseous medium comprises funnel, gap between lower edge of funnel and sintered base, and base region which is more air permeable than remainder of sintered base region
02/22/2001DE19937902A1 Removing benzene, naphthalene and water from coke oven gas comprises scrubbing in counter-current stream using absorbent consisting of triethylene glycol at head of absorber column
02/22/2001CA2381572A1 Method and apparatus for treating flare stack gases to reduce toxic emissions
02/21/2001EP1077315A2 Catalyst for cleaning exhaust gases of an internal combustion engine
02/21/2001EP1077078A2 System for converting particulate matter in gasoline engine exhaust gas
02/21/2001EP1077077A2 Method for the thermal treatment of solids
02/21/2001EP1076634A1 Method for the catalytic decomposition of n 2?o
02/21/2001EP1076633A1 Reactive matrix for removing moisture from a fluorine containing gas and process
02/21/2001EP1076595A1 A method of producing so 2? sorbent and thereafter utilizing such so 2? sorbent to desulfurize combustion gases
02/21/2001EP1076594A1 A method of producing so 2? sorbent that is suitable for use to desulfurize combustion gases
02/21/2001EP0874679A4 Method and apparatus for removal of hazardous gases from enclosed structures
02/21/2001CN2420057Y Biological deodorizer for gap water showering packed tower
02/21/2001CN1285032A Liquid desiccant dehumidifier and air conditioner
02/21/2001CN1284920A Air Dryer reservoir module
02/21/2001CN1284910A Rectangular-channel catalytic converters
02/21/2001CN1284629A Air-purifying device
02/21/2001CN1284613A Collecting device
02/21/2001CN1284473A Pressure rotating adsorption method for production of hydrogen
02/21/2001CN1062194C Photocatalyst composition and method for producing the same
02/20/2001US6191174 Contacting vaporous mixture comprising feedstock and steam in steam reforming zone with reforming catalyst; recovering synthesis gas mixture; supplying to methanol synthesis zone; recovering product gas mixture; supplying to recovery zone
02/20/2001US6191061 Mixture of noble metal catalyst and solid acid gradiently loaded on hydrocarbon adsorbing zeolite support; nitrogen oxide reduction in oxygen-rich atmosphere
02/20/2001US6190635 Injecting water ranging into flow of hydrogen chloride (hcl) gas; lowering temperature of flow of hcl gas to form purified hcl gas and condensates containing methanesulfonyl chloride; separating purified hcl gas from condensatecondensates.
02/20/2001US6190630 Flue gas treating process and apparatus
02/20/2001US6190629 Removing hazardous gas from exhaust stream; air pollution control; nontoxic, corrosion resistance
02/20/2001US6190628 Activating conduit to insert spray nozzle ; air pollution control
02/20/2001US6190627 Radiator catalytically converts or adsorbs pollutants; protective coating and overcoating for durability; air pollution control
02/20/2001US6190621 Sulfide-ion producing grid intersecting to define honeycomb; sulfur separation; alternating sulfur bearing and discharge manifolds
02/20/2001US6190620 Absorption of sulfur dioxide into slurry; oxidation, agitation
02/20/2001US6190510 Applying electricity to gas flow through hollow dielectric tube; distillation
02/20/2001US6190441 Pressure swing absorption system with multi-chamber canister
02/20/2001US6190440 Odor absorbing container with an absorbent material between inner and outer concentric walls
02/20/2001US6190437 Iodinated air filter
02/20/2001US6190436 Ozone purification process
02/20/2001US6190431 Individually pin-supported filter units for a clean room system
02/20/2001US6189566 Liquid distributor for column packings
02/20/2001US6189460 Combustion system for sooty smoke generating facilities
02/20/2001CA2220634C Direct oxidation method for converting sulphur compounds into sulphur with a copper catalyst
02/20/2001CA2069267C Process for the separation of sulphur oxides from offgases
02/17/2001CA2316136A1 Nitrogen system for regenerating chemical solvent
02/15/2001WO2001011152A1 Method for obtaining water from air
02/15/2001WO2001010978A1 Method for treating combustible waste
02/15/2001WO2001010555A1 Individually pin-supported filter units for a clean room system
02/15/2001WO2001010548A1 Rejuvenable ambient temperature purifier
02/15/2001WO2001010543A1 Stack of flat membranes and method for the production thereof
02/15/2001WO2001010539A1 Method for controlling the catalytic treatment of flue gas
02/15/2001WO2001010538A1 Method and apparatus for causing molecular excitation of water molecules suspended or contained in the lower atmosphere
02/15/2001DE19949010A1 Automotive heater and air conditioning air filter comprises periodic cleaning of adsorption filter with an electrically-heated desorption action
02/15/2001DE19938686A1 Katalysator zur Reinigung eines Abgases einer Verbrennungskraftmaschine A catalyst for purifying an exhaust gas of an internal combustion engine
02/15/2001DE19938674A1 Flachmembranstapel und Verfahren zu seiner Herstellung Flat membrane stack and process for its preparation
02/15/2001DE19938269A1 Verfahren zur thermischen Behandlung von Feststoffen Method for the thermal treatment of solids
02/15/2001DE19937408A1 Process for recovering the gasifying agent during or at the end of a gasification process from a treating atmosphere comprises deviating the treatment gas atmosphere from the treatment chamber and through a cooled heat exchanger
02/15/2001DE19937152A1 Kombiniertes Bauteil zur Nachverbrennung von Anodenabgasen eines Brennstoffzellensystems und zum Verdampfen von dem Brennstoffzellensystem zuzuführenden Edukten Combined component for post combustion of anode exhaust gases of a fuel cell system and for vaporizing the fuel cell system supplied reactants
02/15/2001DE10040011A1 Fuel cell arrangement has a three-way valve directly arranged before the sulfur filter which is arranged before sulfur-sensitive reformer parts in the flow direction of a process gas
02/14/2001EP1076035A2 Pressure swing adsorption process for the production of hydrogen