| 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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| 03/17/1994 | DE4229895A1 Hot gas cooling and opt. cleaning - by passage as fine bubbles through liq. bath |
| 03/17/1994 | DE4224172A1 Gasreinigungsvorrichtung Gas cleaning device |
| 03/17/1994 | CA2143956A1 Method of decomposing gaseous halocarbons |
| 03/17/1994 | CA2143290A1 Process and apparatus for producing liquid carbon dioxide |
| 03/17/1994 | CA2123229A1 Convection towers |
| 03/16/1994 | EP0587426A1 A reactor and method for reducing sulfur oxides emissions in a combustion process |
| 03/16/1994 | EP0587074A1 Device for mixing and swirling gases and liquids, especially for catalysts of motor vehicles |
| 03/16/1994 | EP0587071A1 Polyelectrolyte composite membrane |
| 03/16/1994 | EP0586925A1 Process and installation for desulfurizing flue gases |
| 03/16/1994 | EP0586913A2 Spray apparatus |
| 03/16/1994 | EP0586830A1 Apparatus and method for removing hydrocarbons from gaseous mixtures |
| 03/16/1994 | EP0586820A1 Phosphate-alumina composition of controlled pore size for use in catalysts |
| 03/16/1994 | EP0586814A2 Process for making catalysts for eliminating nitrogen oxides from exhaust gases |
| 03/16/1994 | EP0586736A1 Gas cleaning device |
| 03/16/1994 | EP0472565B1 Moving bed reactor installation |
| 03/16/1994 | CN1083742A Double-function multi-metal-oxide catalyst |
| 03/16/1994 | CN1083740A Using flue gas energy to vaporize aqueous reducing agent for reduction of NOx in flue gas |
| 03/15/1994 | US5294585 Adsorbers |
| 03/15/1994 | US5294584 Immersion of a cloth in a silica, titania or zirconia sol and an inorganic oxide powder and an organic binder, decanting, drying, coating and roasting |
| 03/15/1994 | US5294428 Double combustion oxygen enhanced sulfur recovery process |
| 03/15/1994 | US5294422 Process for purification of rare gas |
| 03/15/1994 | US5294421 Reduction |
| 03/15/1994 | US5294420 Transverse gas flow over moving beds of carbon absorbers; withdrawal, regeneration, removal of ammonium halides |
| 03/15/1994 | US5294419 Oxidation, reduction |
| 03/15/1994 | US5294418 Process for reversibly binding oxygen |
| 03/15/1994 | US5294410 Gas purification and conditioning system |
| 03/15/1994 | US5294409 Regenerative system for the simultaneous removal of particulates and the oxides of sulfur and nitrogen from a gas stream |
| 03/15/1994 | US5294407 Expansion, crushable casing |
| 03/15/1994 | US5294345 Membrane module assembly |
| 03/15/1994 | US5294247 Adsorption process to recover hydrogen from low pressure feeds |
| 03/15/1994 | US5294246 Emission suppression system for stored volatile organic compounds |
| 03/15/1994 | US5294235 Device for the supply, distribution and moistening of gas in a gas-cleaning or decomposition installation |
| 03/15/1994 | US5293751 Method and system for throwing carbon dioxide into the deep sea |
| 03/15/1994 | CA2106044A1 Process and apparatus for separating gas through permeation |
| 03/12/1994 | CA2104254A1 Reactor and method for reducing sulfur oxides emissions in a combustion process |
| 03/10/1994 | DE4310961C1 Selective catalytic nitrogen oxide(s) redn. in exhaust gas - by stepwise reductant supply to catalyst sections on attaining minimum temp. after engine starting |
| 03/10/1994 | DE4229721A1 Spacer with collar holding monolithic catalyst honeycomb sections - and inside spacing flange, for removing nitrogen oxide, hydrocarbon, carbon mon:oxide, organic chlorine or inorganic fluorine cpds. from waste gas |
| 03/10/1994 | DE4229445A1 A combined flue or exhaust gas cleaner, heat exchanger and silencer |
| 03/09/1994 | EP0586018A1 Method for recovering nitrogen from air |
| 03/09/1994 | EP0586012A2 Equipment for sampling and work-up for analysis of PAH and other organic compounds, and hydrogen fluoride and sulphur oxides |
| 03/09/1994 | EP0585892A1 Exhaust gas purification apparatus having heat exchanger and muffler |
| 03/09/1994 | EP0585879A1 Catalyst carriers |
| 03/09/1994 | EP0585860A2 Process for restoring permeance of an oxygen-permeable ion transport membrane utilized to recover oxygen from an oxygen-containing gaseous mixture |
| 03/09/1994 | EP0585820A2 Process for recovering oxygen from gaseous mixtures containing water or carbon dioxide which process employs ion transport membranes |
| 03/09/1994 | EP0585795A2 Process for purifying exhaust gases of diesel engines |
| 03/09/1994 | EP0585781A2 Process for recovering oxygen from gaseous mixtures containing water or carbon dioxide which process employs barium-containing ion transport membranes |
| 03/09/1994 | EP0585681A2 Use of IL-4 receptors for the therapy, prophylaxis and diagnosis of allergic, viral, paracitic and bacterial diseases, as well as of fungal infections |
| 03/09/1994 | EP0585572A1 Apparatus and method for modifying gaseous mixtures |
| 03/09/1994 | CN1083447A Method for recovering nitrogen from air |
| 03/09/1994 | CN1083444A A protective vessel for a getter material |
| 03/09/1994 | CN1083414A Multistage cascade-sweep process for membrane L'Exploitation des procedes georges claude gas separation |
| 03/09/1994 | CN1083413A A process for the sorption of residual gas and especially nitrogen gas by means of a non-evaporated barium getter alloy |
| 03/08/1994 | US5292991 Process for removal of hydrocarbons carbon manoxide, and oxides of nitrogen from oxygen-containing waste gas using molecular sieve-palladium-platinum catalyst on a substrate |
| 03/08/1994 | US5292704 Titania, vanadium oxide, tungsten oxide, and noble metal |
| 03/08/1994 | US5292696 HZSM-5 zeolite ion-exchanged with palladium |
| 03/08/1994 | US5292493 Reduced corrosion of carbon steel |
| 03/08/1994 | US5292492 Recovering sulfur from ammonia acid gas stream |
| 03/08/1994 | US5292479 Laminar air flow |
| 03/08/1994 | US5292440 Removal of hydrogen sulfide from sour water without loss of heavy metal |
| 03/08/1994 | US5292429 Thermal distillation |
| 03/08/1994 | US5292407 Electrodialysis |
| 03/08/1994 | US5292360 5A zeolite/kaolinite adsorbent for gas purification |
| 03/08/1994 | US5291742 Deodorizing device for refrigerator |
| 03/03/1994 | WO1994004828A1 Hydraulic drive unit of hydraulic working machine |
| 03/03/1994 | WO1994004804A1 A method of controlling a large two-stroke turbocharged internal combustion engine and an engine for use in this method |
| 03/03/1994 | WO1994004507A1 Basket porphyrin oxygen carriers |
| 03/03/1994 | WO1994004258A1 A process for removing nox from combustion zone gases by adsorption |
| 03/03/1994 | WO1994004251A1 Catalytic incineration of organic compounds |
| 03/03/1994 | WO1994004250A1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
| 03/03/1994 | WO1994004249A1 Method and device for separating gas components by adsorption |
| 03/03/1994 | WO1994004033A1 Anti-microbial composition |
| 03/03/1994 | DE4329324A1 Dryer for e.g. air using absorptive material having coaxial cylinders - with projecting annular or spiral ridges in space between cylinders on surfaces of one or both cylinders |
| 03/03/1994 | DE4244315A1 Catalytic cleaning appts. for exhaust gas - using catalyst in tube with conical transition piece with prevention of damage to catalyst by fixing inner cone, at end nearest catalyst, to tube and transition piece |
| 03/03/1994 | DE4237230C1 Verfahren zum Reinigen eines Rauchgasstromes A method for cleaning a flue gas stream |
| 03/03/1994 | DE4228863A1 Catalytic converter circular heat screen with corrugated profile - facilitating construction of thin-walled ring allowing core expansion |
| 03/03/1994 | DE4228471A1 Rauchgasentschwefelung Flue gas desulfurization |
| 03/03/1994 | DE4228419A1 Purificn. of smoke, industrial waste gas, i.c. engine exhaust gas etc. - to remove dust and opt. radioactive gaseous impurities with water mist in stages under dynamic equilibrium, effective even with high exotherm |
| 03/03/1994 | CA2224048A1 Test kit for testing microbiologically-contaminated material |
| 03/03/1994 | CA2142456A1 Anti-microbial composition |
| 03/03/1994 | CA2140366A1 Process for removing nox from combustion zone gases by adsorption |
| 03/03/1994 | CA2139845A1 Catalytic incineration of organic compounds |
| 03/02/1994 | EP0585174A1 Apparatus for a rapid drying of compressed air |
| 03/02/1994 | EP0585161A1 Fast response membrane generator using heat accumulation |
| 03/02/1994 | EP0585160A1 Fast response high purity membrane nitrogen generator |
| 03/02/1994 | EP0585159A1 Membrane nitrogen gas generator with improved flexibility |
| 03/02/1994 | EP0585158A1 Membrane gas generator in association with bulk storage for increased flexibility and productivity |
| 03/02/1994 | EP0585049A1 Ion conducting device - module and tiered arrangement |
| 03/02/1994 | EP0585047A2 The purification of internal combustion engine exhaust emissions |
| 03/02/1994 | EP0585025A2 Exhaust gas purifying catalyst |
| 03/02/1994 | EP0584887A2 Catalysts for treating exhaust gases from internal combustion and stationary source engines |
| 03/02/1994 | EP0584747A1 Gas purification process and system |
| 03/02/1994 | EP0584737A1 Exhaust gas purifying catalyst |
| 03/02/1994 | EP0584240A1 Single patient use disposable carbon dioxide absorber |
| 03/02/1994 | EP0584160A1 Filter. |
| 03/02/1994 | EP0537219B1 Process and device for cleaning exhaust gases |
| 03/02/1994 | EP0533759B1 A method of removing hydrocarbons from the air |
| 03/02/1994 | CN2157820Y Nitrogen spent gas treating apparatus |
| 03/02/1994 | CA2104821A1 Process for restoring permeance of an oxygen-permeable ion transport membrane utilized to recover oxygen from an oxygen-containing gaseous mixture |
| 03/01/1994 | US5290530 Method of cleaning exhaust gas |
| 03/01/1994 | US5290524 Method and apparatus for chlorine dioxide manufacture |