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)
09/1998
09/29/1998US5814136 Desiccant container
09/29/1998US5814132 Method for VOC abatement and paint spray booth incorporating such method
09/29/1998US5814131 Process and apparatus for gas separation
09/29/1998US5814130 Rotory valve with flow conduits for passageways, adsorption of liquids or gases
09/29/1998US5814129 Radial flow adsorption vessel
09/29/1998US5814127 Vent gas from an aluminum electrolysis cell; removing inorganic fluorides with a caustic scrubber; contacting purified vent gas with a membrane selectively permeable to tetrafluoromethane and perfluoroethane
09/29/1998US5813435 Single handle mixing valve with an improved ball valve
09/29/1998US5813224 Method and apparatus for reducing NOx in the exhaust streams of internal combustion engines
09/29/1998US5813222 Internal combustion engines
09/29/1998US5813212 Nitrogen oxide removal control apparatus
09/29/1998CA2110198C Method and apparatus for cleaning flue gases
09/29/1998CA2086085C Fluorescent lamp crusher
09/29/1998CA2054462C Heater and catalytic converter
09/29/1998CA2053760C Contaminant control system for natural gas dehydration
09/29/1998CA2007123C Method for purifying high-temperature reducing gas
09/24/1998WO1998041472A1 Ammonium sulfate produced from flue-gas scrubber liquor
09/24/1998WO1998041394A1 Multi-layer membrane composites and their use in hydrocarbon partial oxidation
09/24/1998WO1998041329A1 Mass-mass cell gas centrifuge
09/24/1998WO1998041313A1 Membranes comprising aminoacid salts in polyamine polymers and blends
09/24/1998WO1998041311A1 Internal combustion engine exhaust treating apparatus and method
09/24/1998WO1998041310A1 Process for the removal of contaminants from a gas, using a gas cleaning agent
09/24/1998WO1998041309A1 Method for removing harmful acid substances from waste gases
09/24/1998WO1998041308A1 Membranes comprising aminoalcohols in hydrophilic polymers
09/24/1998DE19735397A1 Reactor for the adsorptive separation of a gas mixture
09/24/1998DE19712134A1 Apparatus for removing constituents from air stream
09/24/1998DE19711529A1 Verfahren zur Entfernung von sauren Schadstoffen aus Abgasen Process for removing acid pollutants from waste gases
09/24/1998CA2283407A1 Membranes comprising aminoalcohols in hydrophilic polymers
09/24/1998CA2282436A1 Multi-layer membrane composites and their use in hydrocarbon partial oxidation
09/23/1998EP0866395A1 Method and device for controlling the input quantity of a treating medium for reducing the nitrogen concentration in the exhaust gases of a burning process
09/23/1998EP0866218A1 Adsorber-catalytic converter combination for internal combustion engines
09/23/1998EP0866030A1 Method for operation of membrane reactor, and membrane reactor used therein
09/23/1998EP0865815A2 Dust collecting apparatus and operation method thereof
09/23/1998EP0865814A2 Cleaning agent and cleaning process for harmful gas
09/23/1998EP0865796A1 Apparatus for producing a gas mixture for hypoxia training
09/23/1998EP0865567A1 A single mode resonant cavity
09/23/1998EP0865412A1 Cerium oxide with pores having a lamellar structure, preparation method therefor and use thereof in catalysis
09/23/1998EP0865315A2 Enhanced adsorbent and room temperature catalyst particle and method of making and using therefor
09/23/1998EP0773828B1 Non-welded support plate member
09/23/1998EP0767701B1 Composite articles for separating mercury from fluids
09/23/1998EP0729377B1 Simultaneous sorption of water and organic compounds
09/23/1998EP0708680B1 Oxidation process
09/23/1998EP0658127B1 t-BUTYL SUBSTITUTED POLYIMIDE, POLYAMIDE AND POLYAMIDE-IMIDE GAS SEPARATION MEMBRANES
09/23/1998CN2291967Y Unit for treating exhaust gas
09/23/1998CN1193948A Composition based on zirconium oxide and cerium oxide, preparation method therefor, and use thereof
09/23/1998CN1193926A Process for manufacturing a honeycombed body from at least partially stratified sheet metal layers
09/23/1998CN1193925A Process for manufacturing a honeycombed body from two different types of sheet metal
09/23/1998CN1193924A Layered sheet metal with rolled-on solder and process for manufacturing a honeycombed body therefrom
09/23/1998CN1193619A Improved process and system for separation and recovery of perfluorocompound gases
09/23/1998CN1193550A Air purifying method by contacting with liquid
09/23/1998CN1039900C Method for operation of flat glass furnaces and the flat glass furnaces
09/23/1998CN1039899C Glass furnaces and method for operation of the glass furnaces
09/23/1998CN1039883C Multistage cascade-sweep process for membrane L'Exploitation des procedes georges claude gas separation
09/22/1998US5811752 Enhanced tunable plasma-melter vitrification systems
09/22/1998US5811628 Multistep reaction comprising catalytic dechlorination using excess hydrogen in tube reactor, then catalytic dechlorination in fixed bed reactor
09/22/1998US5811364 Catalyst system for the purification of exhaust gas
09/22/1998US5811287 Biologically pure Bacillus badius ferm BP-4493 having deodorizing activity
09/22/1998US5811067 Catalytic method for selectively reducing nitrogen oxides
09/22/1998US5811066 Wet scrubbing with suspension of activated carbon in lime water
09/22/1998US5811064 Poisoning resistant catalyst for exhaust gas converters
09/22/1998US5811063 Mounting mat for fragile structures such as catalytic converters
09/22/1998US5810912 Composite hollow filamentary film of porous ceramics and process for producing the same
09/22/1998US5810910 Crystalline aluminosilicate in acid form which contains adsorbed components nonreactive with ozone
09/22/1998US5810909 Pressure swing absorption separation based on differences in polar characteristics of components of mixture
09/22/1998US5810901 Method for reducing NOx emissions from a regenerative glass furnace
09/22/1998US5810897 Spray tower
09/22/1998US5810581 Method for processing one or more gas streams
09/22/1998US5809910 Reduction and admixture method in incineration unit for reduction of contaminants
09/22/1998US5809776 Catalytic converter with radial outflow and by-pass valve
09/22/1998US5809775 Reducing NOx emissions from an engine by selective catalytic reduction utilizing solid reagents
09/22/1998US5809774 Selective catalytic reduction of nitogen oxides using urea or derivatives as reducing agent
09/22/1998CA2137941C Enhanced gas separations and zeolite compositions therefor
09/22/1998CA2137039C Fuel supply control system for internal combustion engines
09/22/1998CA2104409C Equipment for sampling and work-up for analysis of pah and other organic compounds, and hydrogen fluoride and sulphur oxides
09/22/1998CA2064977C Catalyst for purifying exhaust gas
09/22/1998CA2042852C Process for removing oxygen from crude argon
09/21/1998CA2232721A1 Method and apparatus for controlling the amount of a treatment medium introduced in order to reduce the nitrogen oxide content of the exhaust gases from combustion processes
09/17/1998WO1998040450A1 Olefin purification by adsorption of acetylenics and regeneration of adsorbent
09/17/1998WO1998040153A1 Emission control system for a lean-burn internal combustion engine
09/17/1998WO1998040152A1 System for cleaning exhaust gases
09/17/1998WO1998040151A1 Process for cleaning exhaust gases
09/17/1998WO1998040150A1 Compact water collector
09/17/1998DE19726635C1 Bio-filter with a housing in the form of a rectangular d
09/17/1998DE19710842A1 Reduction of polluting vehicular exhaust emissions, especially carbon mon:oxide and hydrocarbon(s)
09/17/1998DE19710841A1 Reduction of rich pollutant emissions from vehicular engines by supply of oxidant to exhaust gases
09/17/1998DE19710839A1 Reduction of carbon mon:oxide and hydrocarbon pollutants in exhaust gases
09/17/1998DE19710575A1 Air drier for compressed air systems for motor vehicles
09/17/1998DE19709095A1 Verfahren zur Abscheidung von Schadstoffen aus Verbrennungsabgasen A process for the deposition of pollutants from combustion exhaust gases
09/17/1998DE19708858A1 Evaporation apparatus for liquids especially from flue gas purification installations
09/17/1998DE19708692A1 Air filter for handling gaseous pollutants
09/17/1998CA2284515A1 Olefin purification by adsorption of acetylenics and regeneration of adsorbent
09/17/1998CA2283496A1 Compact water collector
09/17/1998CA2227893A1 Internal combustion engine exhaust treating apparatus and method
09/17/1998CA2200101A1 Ese system two (ecology safe exhaust system two)
09/16/1998EP0864818A1 Process and device for air production of medical quality
09/16/1998EP0864742A2 Vapor storage canister
09/16/1998EP0864732A1 Process for selective reduction of NOx in exhaust gas
09/16/1998EP0864356A2 Apparatus for the post-treatment of exhaust gases of a spark ignition engine
09/16/1998EP0864355A1 Diesel emission treatment using precious metal supported on titania aerogel
09/16/1998EP0864354A1 Sulphur resistant lean-NOx catalyst for treating diesel emissions
09/16/1998EP0864353A1 Sulfur-resistant nox traps containing tungstophosphoric acid and precious metal