| 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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| 05/13/1992 | EP0485179A2 Heater and catalytic converter |
| 05/13/1992 | EP0485041A2 Method of disposing dusts containing toxic organic substances and similar compounds |
| 05/13/1992 | EP0485011A1 Method for the removal of constituents from a waste gas |
| 05/13/1992 | EP0484954A1 Process for separating ammonia from gases, in particular exhaust gases from combustion processes |
| 05/13/1992 | EP0484840A1 Process for removing nitrogen oxides from flue gases |
| 05/13/1992 | EP0484637A1 Sulfur dioxide removal from gases using a modified lime |
| 05/13/1992 | EP0484517A1 Venting system. |
| 05/13/1992 | EP0456809A4 Membrane process for removing water vapor from gas |
| 05/13/1992 | CN1016600B Method of producting active sodium caurbonate |
| 05/13/1992 | CN1016586B Insitu hazardous waste treating apparatus and method of using same |
| 05/12/1992 | US5112796 Manganese dioxide impregnated filter |
| 05/12/1992 | US5112794 Vanadium and molybdenum oxides for reducing nitrogen oxides in flue gas in the presence of ammonia and carbon monoxide |
| 05/12/1992 | US5112790 Silicoaluminophosphate catalysts for reducing nitrogen oxide concentrations in exhaust gases |
| 05/12/1992 | US5112787 Supported catalyst for oxidizing carbon monoxide |
| 05/12/1992 | US5112590 Separation of gas mixtures including hydrogen |
| 05/12/1992 | US5112589 Method for synthesizing mesoporous crystalline material using acid |
| 05/12/1992 | US5112588 Chemisorption on activated fly ash absorbent, purification |
| 05/12/1992 | US5112587 Catalytic oxidation of combustion gases with hydrogen peroxide |
| 05/12/1992 | US5112586 Scrubbing, removal of hydrogen cyanide, washing, cooling and stripping to remove ammonia and carbon dioxide |
| 05/12/1992 | US5112585 Process of removing flue gas cleaning residues during the wet cleaning of flue gases by drying and construction |
| 05/12/1992 | US5112536 Random packing element and method |
| 05/12/1992 | US5112367 Fluid fractionator |
| 05/12/1992 | CA1300522C Process for separating carbon monoxide having substantially constant purity |
| 05/12/1992 | CA1300490C Feed gas drier precooling in mixed refrigerant natural gas liquefaction processes |
| 05/12/1992 | CA1300484C Multi-mode combuster |
| 05/12/1992 | CA1300350C Active metal bed |
| 05/12/1992 | CA1300349C Process for separating organic constituents from waste gases of the production of aromatic intermediates |
| 05/12/1992 | CA1300348C Method for cleaning of a hot flue gas stream from waste incineration |
| 05/12/1992 | CA1300347C Process for removal of mercury vapor and/or vapor of noxious organic compounds and/or nitrogen oxides from flue gas from an incinerator plant |
| 05/12/1992 | CA1300346C Superpurifier for nitrogen and process for purifying same |
| 05/12/1992 | CA1300345C Sulfur recovery process using metal oxide absorbent with improved purge |
| 05/12/1992 | CA1300344C Superpurifier for argon gas and process for purifying argon gas |
| 05/12/1992 | CA1300316C Fibrous absorbent articles having enhanced deodorizing properties |
| 05/09/1992 | CA2055114A1 Process for separating ammonia from gases in particular the exhaust gases generated by combustion processes |
| 05/07/1992 | DE4035205A1 Waste gas purificn. - by oxidative scrubbing using hydrogen per:oxide to remove nitrogen oxide(s), heavy metals and organic cpds. |
| 05/07/1992 | DE4035042A1 Working-up flue-ash obtd. from exhaust gas cleaning - by forming suspension with sulphuric acid and recovering calcium sulphate as filter cake |
| 05/07/1992 | DE4034905A1 Two-stage sulphur di:oxide gas washing process - in which sulphur gases are re-heated before second washing stage using indirect heat recovered from condensing satd. steam |
| 05/07/1992 | DE4034752A1 Single stage scrubber for chemical treatment of multiple toxic species in a gas stream - for oxidative treatment of incinerator and smelter flue gases |
| 05/07/1992 | DE4033789A1 Level regulating equipment for sediment liq. - esp. in flue gas scrubber unit |
| 05/07/1992 | DE4033787A1 Liq. spray nozzle module for a gas scrubber column capable of wide directional adjustment - accessible from outside of the column and adjustable during operation |
| 05/07/1992 | DE4033786A1 Liquid spray nozzle mounting for combustion gas scrubber - comprising open-ended shafts through scrubber wall for insertion of nozzles or carrier allowing removal for servicing from outside |
| 05/07/1992 | DE4030677A1 Countercurrent granular adsorber for gaseous fluids - with an integral preliminary aerosol disentrainment section allowing continuous feed and discharge of granules |
| 05/06/1992 | WO1992007792A1 Use of chlorous acid for removing sulfur dioxide from combustion gases |
| 05/06/1992 | EP0484301A1 Process for the purification of ammonia |
| 05/06/1992 | EP0484234A2 Process for theremoval of mercury and of arsenic eventually present from a fluid in presence of a recovery mass for mercury and/or arsenic |
| 05/06/1992 | EP0484233A1 Process for preparing a solid mercury sorbent mass |
| 05/06/1992 | EP0484222A1 Process for the treatment of gases containing sulphur dioxide |
| 05/06/1992 | EP0484121A1 Process for removal of water from a CO2 containing raw material mixed gas and apparatus therefor |
| 05/06/1992 | EP0483889A1 Process for the purification of gypsum |
| 05/06/1992 | EP0483815A1 Sintered body, absorbent, and process for preparing said body |
| 05/06/1992 | EP0483715A1 Use of a catalyst for the elimination of nitrogen oxides from an exhaust gas |
| 05/06/1992 | EP0483708A1 Composite catalytic converter |
| 05/06/1992 | EP0483670A1 Duplex adsorption process |
| 05/06/1992 | EP0483587A1 Method of treating waste gases containing halogen compounds |
| 05/06/1992 | EP0483303A1 Process for controlling the proportion of air in a hot exhaust-gas stream, and oxygen probe for use in the process. |
| 05/06/1992 | EP0483275A1 Method for reducing nox in a combustion process. |
| 05/06/1992 | EP0483272A1 Method for catalyzing fuel for powering internal combustion engines |
| 05/06/1992 | EP0483256A1 Honeycomb body with internal flow-conducting surfaces, in particular catalyst body for motor vehicles. |
| 05/06/1992 | EP0422066A4 Removal of sulfur dioxide (so 2?) from waste gases and recovery as sulfuric acid |
| 05/06/1992 | CN2103366U Device for treating waste gas |
| 05/06/1992 | CN1060865A Process for purifying high-temp. reducing gases |
| 05/06/1992 | CN1060793A Multieffective non-noble metal catalyst |
| 05/06/1992 | CN1060792A Pressure swing adsorption method for separating gaseous mixtures |
| 05/06/1992 | CN1016491B Fibrous absorbent articles having enhanced deodoriging properties |
| 05/06/1992 | CA2095116A1 Use of chlorous acid for removing sulfur dioxide from combustion gases |
| 05/05/1992 | US5110782 Process for producing perovskite-type oxide catalyst |
| 05/05/1992 | US5110780 Carbon monoxide oxidation catalyst |
| 05/05/1992 | US5110777 Catalytic decomposition of nitrogen oxides in exhaust gases |
| 05/05/1992 | US5110744 Amine system energy savings; waste treatment system control improvements |
| 05/05/1992 | US5110690 Heat and corrosion resistant mutually diffused layer of iron, aluminum and nickel |
| 05/05/1992 | US5110580 Method and apparatus for chlorine dioxide manufacture |
| 05/05/1992 | US5110572 Ultra-large pore catalysts or adsorbents |
| 05/05/1992 | US5110569 Low temperature purification of gases |
| 05/05/1992 | US5110561 Catalytic exhaust system for internal combustion engines |
| 05/05/1992 | US5110480 On-line rejuvenation of spent absorbents |
| 05/05/1992 | US5110476 Hollow fiber membrane system for removal of viruses and bacteria |
| 05/05/1992 | US5110462 Condenser/membrane permeater |
| 05/05/1992 | US5110330 Compressed air in pneumatic power systems, bronze, cottonseed oil, desiccant |
| 05/05/1992 | US5110328 Solvent adsorber and solvent recovery system |
| 05/05/1992 | US5110327 Compressed air dryer |
| 05/05/1992 | US5110325 High gas velocities, low pressure drop |
| 05/05/1992 | US5110324 Removal of hydrocarbons from exhaust gases; air pollution control |
| 05/05/1992 | US5109713 Method and apparatus for treating and storing sulfur containing gas so as to prohibit the degradation of same |
| 05/05/1992 | CA1300117C Catalyst for the selective oxidation of sulfur containing compounds |
| 05/05/1992 | CA1300041C Adsorbent cartridge |
| 05/05/1992 | CA1300040C Method and apparatus for gaz mixture adsorption separation |
| 05/05/1992 | CA1300039C Pressure swing adsorption process and apparatus |
| 05/05/1992 | CA1300038C Moisture-removal apparatus |
| 05/05/1992 | CA1299997C Apparatus for gas wet treatment |
| 05/05/1992 | CA1299842C Reducing regeneration effluent rate by supplemental cooling and oxidantintroduction during regeneration of metal oxide absorbent |
| 05/05/1992 | CA1299841C Purification of a hydrocarbon mixture |
| 05/02/1992 | CA2029101A1 Process for reduction of carbon dioxide emissions and recycling of waste products |
| 05/01/1992 | CA2095027A1 Method and apparatus for monochannel simultaneous heat and mass transfer |
| 05/01/1992 | CA2054321A1 Exhaust gas purifying catalyst and an exhaust gas purifying method using the catalyst |
| 05/01/1992 | CA2050753A1 Composite catalytic converter |
| 04/30/1992 | WO1992007252A1 SENSING ELEMENT FOR BOUNDARY-FLOW SENSORS FOR DETERMINING THE μ-VALUE OF GAS MIXTURES |
| 04/30/1992 | WO1992006772A1 Method and apparatus for purifying the flue gases of oil burners |
| 04/30/1992 | WO1992006770A1 Adsorption agent reactor, especially fluidised bed reactor |
| 04/30/1992 | WO1992006768A1 Process and device for purifying exhaust gases |
| 04/30/1992 | DE4033797A1 Apparatus for removing dust from honeycomb structured catalysts by application of pulsed compress air - useful for cleaning encrusted fly ash from no reduction catalysts in flue gas emission control systems |