| 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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| 06/07/1989 | EP0318934A2 Bag for removal of solid material from gases and for treatment of said gases |
| 06/07/1989 | EP0318864A1 A production process of ferrite stainless steel covered with oxyde whisker |
| 06/07/1989 | EP0318808A2 Process for reducing emissions of sulfur oxides |
| 06/07/1989 | EP0318740A1 Denitration reactor |
| 06/07/1989 | EP0318674A2 Process for eliminating acid components and nitrogen oxides from the flue gases of industrial furnaces |
| 06/07/1989 | EP0218660B1 Method and apparatus for the production of ozone |
| 06/06/1989 | US4837361 A process for the preparation of cysteine from cystine |
| 06/06/1989 | US4837055 Supported membrane and process for its preparation |
| 06/06/1989 | US4837020 D-glucosaccharoascorbic acid, ferrous and/or cupric compound |
| 06/06/1989 | US4837001 Absorption on sodium sulfite; reacting with sodium bicarbonate; slurrying; reduction to hydrogen sulfur and sulfur |
| 06/06/1989 | US4836993 Using oxide absorber containing rare earth metal |
| 06/06/1989 | US4836992 Electrolysis |
| 06/06/1989 | US4836991 Absorption, oxidation |
| 06/06/1989 | US4836988 Multilayer of catalyst bed spacing between two heat exchangers |
| 06/06/1989 | US4836833 Production and recovery of hydrogen and carbon monoxide |
| 06/06/1989 | US4835974 Process for the removal of impurities from exhaust gases |
| 06/06/1989 | CA1255292A1 Media mixing nozzle assembly |
| 06/01/1989 | WO1989004715A1 Process for treating fluids by adsorption media |
| 06/01/1989 | WO1989004713A1 A process for gas conditioning |
| 06/01/1989 | WO1989004712A1 Process for removing hazardous substances from water or air |
| 06/01/1989 | WO1989002781A3 Process for nitrogen oxides reduction and minimization of the production of other pollutants |
| 06/01/1989 | DE3808589C1 Holder rack for plates, in particular catalyst plates |
| 05/31/1989 | EP0318086A1 Process for regenerating a carbonaceous adsorbent loaden with sulfuric acid and water |
| 05/31/1989 | EP0317875A2 Catalyst for the selective reduction of nitrogen oxides with ammonia |
| 05/31/1989 | EP0317706A1 Flue gas channel for treating a flue gas |
| 05/31/1989 | EP0317593A1 Process, filter and device for supplying high-quality breathing air. |
| 05/31/1989 | EP0243358B1 Method and device for purifying solvent-laden exhaust air |
| 05/31/1989 | EP0203976B1 Device for the catalytic combustion, particularly for the post combustion of gases, exhaust gases, flue gases or similar combustible substances |
| 05/31/1989 | CN1033161A Method and apparatus for aeration purifying of air |
| 05/30/1989 | US4835044 Ceramic honeycomb structural bodies |
| 05/30/1989 | US4834962 Process and apparatus for the catalytic reaction of gases |
| 05/30/1989 | US4834959 Process for selectively removing sulfur dioxide |
| 05/30/1989 | US4834956 Adsorption, catalytic hydrogenation, regeneration |
| 05/30/1989 | US4834955 Chemical formulation and combined process for inhibiting deposition and corrosion in cooling water and gypsum scaling in flue gas desulfurization scrubber systems |
| 05/30/1989 | US4834954 Process for cleaning flue gases |
| 05/30/1989 | US4834953 Alkali metal polysulfide, cobalt chloride |
| 05/30/1989 | US4834781 Process for treating CO2 -containing absorbent solution |
| 05/30/1989 | US4834780 Six adsorber pressure swing adsorption process |
| 05/30/1989 | US4834779 Process for membrane seperation of gas mixtures |
| 05/30/1989 | US4833877 Process for the reduction of pollutant emissions from power stations with combined gas/steam turbine processes with preceding coal gasification |
| 05/30/1989 | CA1254844A1 Gas separation module |
| 05/30/1989 | CA1254749A1 Hydrogen streams |
| 05/24/1989 | EP0317293A2 A process for removing nitrogen oxides and a catalyst used for the process |
| 05/24/1989 | EP0317235A2 Separation of gas mixtures including hydrogen |
| 05/24/1989 | EP0317111A2 Low nox incineration process for hazardous waste |
| 05/24/1989 | EP0317110A2 Low NOx cogeneration process |
| 05/24/1989 | EP0317054A2 Low temperature gas chromatography apparatus and method |
| 05/24/1989 | EP0316924A1 Solvent composition and process employing same |
| 05/24/1989 | EP0316665A1 Selective adsorption of CO2 on zeolites |
| 05/24/1989 | EP0316596A2 Process and apparatus for producing a carrier body for a catalytic reactor |
| 05/24/1989 | EP0316377A1 Multiple-stage installation for scrubbing exhaust gases. |
| 05/24/1989 | EP0218062B1 Support matrix, particularly for a catalytic reactor for purifying exhaust gases of internal-combustion engines |
| 05/24/1989 | EP0174976B1 A device for the purification of gas. |
| 05/24/1989 | DE3838295A1 Verfahren zur herstellung und verstaerkung eines zur abgasreinigung dienenden katalysatorwabenkoerpers Methods for making and reinforcing a serving for the exhaust gas purification katalysatorwabenkoerpers |
| 05/24/1989 | DE3743681C1 Process for regenerating an adsorber laden with a solvent |
| 05/24/1989 | DE3738913A1 Process and appliance for scrubbing sour/acid gases from gas mixtures |
| 05/24/1989 | DE3738880A1 Verfahren zur entfernung von schadstoffen aus wasser oder luft A process for removing pollutants from water or air |
| 05/24/1989 | DE3738285A1 Mixtures containing phosphorus pentoxide and esters of acids of phosphorus, and use of these mixtures as desiccants |
| 05/23/1989 | US4833114 Reduction of dinitrodiammine, palladium, catalyst supports |
| 05/23/1989 | US4833113 Denitration catalyst for reducing nitrogen oxides in exhaust gas |
| 05/23/1989 | US4832998 Honeycomb body, especially a catalyst carrier body having sheet metal layers twisted in opposite directions and a method for producing the same |
| 05/23/1989 | US4832937 Regeneration of chelated polyvalent metal solutions by controlled potential electrolysis |
| 05/23/1989 | US4832936 Process for making calcium sulfate dihydrate or gypsum |
| 05/23/1989 | US4832930 Formation of carbon dioxide, sulfur and sulfur dioxide |
| 05/23/1989 | US4832718 Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solvents |
| 05/23/1989 | US4832714 Device for the decomposition of a multicomponent gas and to a method of operating the system for the decomposition of gases |
| 05/23/1989 | US4832712 Gas separating membrane |
| 05/23/1989 | US4832711 Adsorbent fractionator with automatic temperature-sensing cycle control and process |
| 05/23/1989 | US4832115 Method and apparatus for simultaneous heat and mass transfer |
| 05/23/1989 | US4831942 Mixing iron compound with pulverized coal before denitrating |
| 05/23/1989 | CA1254367A1 Process of removing pollutants from flue gas |
| 05/18/1989 | WO1989004210A1 Catalyst for decomposing ammonia |
| 05/18/1989 | WO1989004207A1 Connector construction for fluid drying tube |
| 05/18/1989 | WO1989004205A1 Exhaust air disposal installation for adhesive installations |
| 05/18/1989 | WO1989004201A1 Composite membranes of poly(methyl methacrylate) blends |
| 05/18/1989 | WO1989004200A1 Treatment of permeable membranes |
| 05/18/1989 | WO1989004199A1 Improved composite membranes, their manufacture and their use |
| 05/18/1989 | WO1989003242A3 Process for the reduction of nitrogen oxides in an effluent |
| 05/18/1989 | DE3738022A1 Process for regenerating alkaline etchants and apparatus for carrying out the process |
| 05/18/1989 | DE3737538A1 Device for treating industrial waste gases |
| 05/17/1989 | EP0315896A1 Diesel engine exhaust gas purification catalyst |
| 05/17/1989 | EP0190366B1 Boiler capable of recovering waste heat and having denitration devices |
| 05/16/1989 | US4831208 Chemical processing with an operational step sensitive to a feedstream component |
| 05/16/1989 | US4830844 Tin oxide, palladium, platinum chromium |
| 05/16/1989 | US4830840 Clay-spinel |
| 05/16/1989 | US4830839 Non-nitrogenous scrubbing agent |
| 05/16/1989 | US4830838 Chelate compounds |
| 05/16/1989 | US4830833 Oxidation of hydrocarbons and carbon monoxide with air, reduction of nitrogen oxides, redox catalyst |
| 05/16/1989 | US4830734 Integrated process for the removal of sulfur compounds from fluid streams |
| 05/16/1989 | US4830733 Integrated process for the removal of sulfur compounds from fluid streams |
| 05/16/1989 | US4830718 Removal of sulfur dioxide (SO2) from waste gases and recovery as sulfuric acid |
| 05/16/1989 | US4830643 Protective covering for adsorbers; dustless, porosity desiccants; air purifiers |
| 05/16/1989 | US4830641 Sorbing apparatus |
| 05/16/1989 | US4830640 Gas separation |
| 05/16/1989 | US4830639 Process for treating scrubbing solutions |
| 05/16/1989 | US4829781 Appliance for purifying and/or humidifying and dehumidifying gases, especially air |
| 05/16/1989 | US4829655 Catalyst support and method for making same |
| 05/16/1989 | CA1254231A1 Diaminoalcohols, their preparation and their use as acid gas removal agents |
| 05/16/1989 | CA1254186A1 Catalyst for removing nitric oxides from combustion waste gases |
| 05/16/1989 | CA1254126A1 Integrated gas separation process |