Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › 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
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)
10/1998
10/21/1998EP0872633A2 Process for the reduction of nitrogen oxides in the exhaust gas of an internal combustion engine
10/21/1998EP0872287A2 Vehicle exhaust-gas purifier
10/21/1998EP0872270A1 Aftercooler with integral bypass line
10/21/1998EP0872250A2 Cryogenic sterile nitrogen system
10/21/1998EP0871695A2 Polyamino monosuccinic acid derivative degradable chelants, uses and compositions thereof
10/21/1998EP0871543A1 Method and apparatus in catalytic reactions
10/21/1998EP0871542A1 Process for manufacturing a honeycombed body from two different types of sheet metal
10/21/1998EP0871541A1 Adsorbents for separating nitrogen from a feed gas
10/21/1998EP0871538A1 Biological environmental air filter
10/21/1998EP0871537A1 Methods and systems for heat transfer by unmixed combustion
10/21/1998EP0871535A1 Method for absorbing gaseous oxidisable or reducible constituents through a membrane
10/21/1998EP0871534A1 Voc control/solvent recovery system
10/21/1998EP0871533A1 Filter device
10/21/1998EP0871532A1 Process for removing heavier aromatic compounds from a light hydrocarbon gas stream
10/21/1998EP0643991B1 Nitrogen oxide decomposing catalyst and denitration method using the same
10/21/1998EP0602206B1 Novel sulphur oxide absorbant composition and use thereof
10/21/1998CN2294770Y Fluid-bed half-wet type fume sweetening device
10/21/1998CN2294769Y Complete assembly for purifying waste gas
10/21/1998CN2294768Y Strike-wave type purifier for fume of boiler
10/21/1998CN2294767Y Whirl-wind showering dust-removing sweetening purifier for fume of boiler
10/21/1998CN1196828A Photoelectronic material, device using same and method for manufacturing same
10/21/1998CN1196789A Helium recycling for optical fiber manufacturing
10/21/1998CN1196448A Aftercooler with integral bypass line
10/21/1998CN1196274A Method for separation of gas mixtures by pressure-swing adsorption in two-bed adsorber system
10/21/1998CN1196273A Method for production of nitrogen using oxygen selective adsorbents
10/21/1998CN1196272A Radial flow adsorption vessel
10/21/1998CN1196265A Cryogenic sterile nitrogen system
10/21/1998CN1040298C Purification method for drinking water or waste water and/or exhaust gas
10/21/1998CN1040292C Gas separation method by pressure swing absorption for simultaneously preparing two gas products with high-purity and high-yield
10/21/1998CN1040291C Apparatus for removing particulate matter and gases from polluted gas stream
10/21/1998CN1040290C Method for removing particulate matter and gases from polluted gas stream
10/20/1998US5824621 Exhaust gas cleaner
10/20/1998US5824617 Porous and nonporous substrates and a polycrystalline layerof zeolit; immersing substrate into synthesis mixture,autoclaving, washing; separation of dyes from alcohol and oligomers from hexane
10/20/1998US5824277 Plasma oxidation of an exhaust gas stream from chlorinating titanium-containing material
10/20/1998US5824273 Gas refining system
10/20/1998US5824141 Apparatus for mixing a tank and improving air/liquid contact in an oxidized system
10/20/1998US5824140 Canister with porous plastic ends
10/20/1998US5824139 Adsorber for purifying combustion gases
10/20/1998US5822981 Automatic control system and method for corona discharge pollutant destruction apparatus
10/20/1998US5822980 Device for reducing molecular pollutants in the gases from a combustion engine
10/20/1998US5822977 Method of and apparatus for purifying exhaust gas utilizing a heated filter which is heated at a rate of no more than 10° C./minute
10/20/1998CA2070853C Method and apparatus for minimizing environmental release of toxic compounds in the incineration of wastes
10/15/1998WO1998046046A1 Artificial dielectric device for heating gases with electromagnetic energy
10/15/1998WO1998045648A1 Method and device for the environmentally friendly disposal of toxicants preferably in large drums
10/15/1998WO1998045586A1 PROCESS AND DEVICE FOR MONITORING A NOx ACCUMULATOR
10/15/1998WO1998045582A1 Apparatus, method, and system for concentrating adsorbable pollutants and abatement thereof
10/15/1998WO1998045581A1 REDUCING NOx EMISSIONS FROM AN ENGINE WHILE MAXIMIZING FUEL ECONOMY
10/15/1998WO1998045212A1 CERIUM OXIDES, ZIRCONIUM OXIDES, Ce/Zr MIXED OXIDES AND Ce/Zr SOLID SOLUTIONS HAVING IMPROVED THERMAL STABILITY AND OXYGEN STORAGE CAPACITY
10/15/1998WO1998045037A1 Three-way catalyst composition comprising different types of supporting materials
10/15/1998WO1998045027A1 Catalyst composition containing oxides of cerium, zirconium and neodymium
10/15/1998WO1998045026A1 Layered catalyst composite
10/15/1998WO1998045025A1 Dryer for compressed air
10/15/1998WO1998045017A1 Recirculating bed adsorption/desorption method and system
10/15/1998WO1998017390A3 Apparatus for photocatalytic fluid purification
10/15/1998DE3690570C2 Removing sulphur cpds. from residual gas
10/15/1998DE19814112A1 Environmental cleansing device operating by decomposing pollutants
10/15/1998DE19722731A1 Compressed air drying membrane filter unit
10/15/1998DE19716749A1 Verfahren und Vorrichtung zur autonome Atemgasherstellung, Atemgasaufbereitung und Atemgasversorgung des Tauchers in extremen Tiefen Method and apparatus for autonomous breathing gas production, gas processing and breath respiratory gas supply to the diver at extreme depths
10/15/1998DE19714715A1 Nitrous-oxide-accumulator monitoring system in exhaust-pipe
10/15/1998DE19714339A1 Waste gas scrubber with heat recovery used for domestic heating system
10/15/1998CA2285228A1 Cerium oxides, zirconium oxides, ce/zr mixed oxides and ce/zr solid solutions having improved thermal stability and oxygen storage capacity
10/14/1998EP0870729A1 Process and device for producing chemical products of high purity for the microelectronic industry
10/14/1998EP0870543A2 Oxygen storage material having high temperature stability based on cerium oxide and process for preparing such a material
10/14/1998EP0870538A1 Radial flow adsorption vessel
10/14/1998EP0870531A1 Vehicle exhaust gas catalysts
10/14/1998EP0870530A1 Photocatalyst and process for the preparation thereof
10/14/1998EP0870529A1 Method and device for removing condensible components from warm industrial waste gas
10/14/1998EP0870528A1 Method of removing volatile organopolysiloxanes from a fluid stream
10/14/1998EP0869844A1 Turbulence inducer in chemical reactor
10/14/1998EP0869840A1 Filter arrangement
10/14/1998EP0741609B1 Zeolith-coatable metallic foil
10/14/1998CN2294100Y Disc like teethed hole type tube liquid distributor
10/14/1998CN2294099Y Equipment for oxygen-removing and purification of gas
10/14/1998CN2294098Y Cross-flow, gas washing and water film type dust removing and desulfurizing equipment
10/14/1998CN1196030A Process and device for separating hydrogen from gas mixture
10/14/1998CN1196001A Process and device for scrubbing acidic gas by wet method
10/14/1998CN1195640A Purifying method with organosulfur conversion
10/14/1998CN1195574A Flue gas treating process and system
10/14/1998CN1195573A Flue gas desulfurization process and device of dry desulfurizing agent bed material internal circutation
10/14/1998CN1195572A Pressure swing adsorption gas separation method capable of simultaneously purifying adsorbable phase and non-adsorbable phase from mixed gas
10/14/1998CN1195571A PSA prepurifier
10/14/1998CN1195570A Thermally insulated reactor
10/14/1998CN1040242C Catalytic exhausting purifier and its production method
10/14/1998CN1040184C Hooper system and electrostatic gun for injection of electrostatically charged sorbent into polluted gas stream
10/13/1998US5821435 Exhaust gas measuring apparatus
10/13/1998US5821190 Purifying exhaust gases
10/13/1998US5821114 Purifying gases emanating from storage tanks using a bacteria-inoculated filter supported by gas-permeable supports promoting gas flow
10/13/1998US5820839 Process for the decomposition of hydrogen cyanide, ammonia, or mixtures thereof in the gas phase
10/13/1998US5820838 Method and an apparatus for injection of NOx reducing agent
10/13/1998US5820837 Regenerating solvent; flashing; recovering high quality carbon dioxide
10/13/1998US5820836 Rotating catalytic cleaning device for polluted effluents
10/13/1998US5820834 Rings placed between flexible catalyst elements or stacks are designed such that linear compression of ring forces it to axially expand, thereby providing a radial seal to prevent gases from bypassing the catalyst element
10/13/1998US5820833 Diesel engine exhaust gas purifier which collects particulates and reduces nitrogen oxide
10/13/1998US5820831 Apparatus for grinding into finely divided particles
10/13/1998US5820830 Waste heat and sulfur recovery apparatus for extracting sulfur and heat from flue gas produced by power boiler for use in pulp mill
10/13/1998US5820766 Reduction of sulfide in fluids
10/13/1998US5820659 Multicomponent or asymmetric gas separation membranes
10/13/1998US5820658 Apparatus and method for processing exhaust gas
10/13/1998US5820656 Process and apparatus for gas separation
10/13/1998US5820655 An ion transport reactor and process for using same having one ion transport membrane with a retentate side and a permeate side, for extracting oxygen from a feed gas stream as it flows along the retentate side
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