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