| 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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| 08/18/1992 | US5139844 Honeycomb body, in particular catalyst carrier body, formed of a plurality of entwined bundles of sheet metal |
| 08/18/1992 | US5139757 Process for the removal of nitrogen oxides from flue gases |
| 08/18/1992 | US5139756 Using fluidized catalyst of copper and vanadium oxides on aluminia/titania support |
| 08/18/1992 | US5139755 Advanced reburning for reduction of NOx emissions in combustion systems |
| 08/18/1992 | US5139754 Catalytic/non-catalytic combination process for nitrogen oxides reduction |
| 08/18/1992 | US5139753 Continuous process for mass transfer of a liquid reagent with two different gases |
| 08/18/1992 | US5139747 One piece, compact, for semiconductor assembly environment |
| 08/18/1992 | US5139682 Absorption of impurities onto zeolites, then incubation of zeolites in bacterial cultures for biodegradation of impurities |
| 08/18/1992 | US5139668 Hollow fiber bundle element |
| 08/18/1992 | US5139655 Integrated system marine sanitation device |
| 08/18/1992 | US5139544 Trough type liquid distributors sit directly onto a top surface of structured packing layer reduces formation of mist spray and sulfuric acid; corrosion resistance |
| 08/18/1992 | US5139543 Method for filtering benz-a-anthracene from a gas stream |
| 08/18/1992 | US5139542 Method for filtering benzo-a-pyrene from a gas stream |
| 08/18/1992 | US5139541 Hydrogen-permeable composite metal membrane |
| 08/18/1992 | US5139540 Membrane separation of gases |
| 08/18/1992 | CA1306423C Air filtration unit |
| 08/18/1992 | CA1306422C Modular, shell-less, air permeator |
| 08/18/1992 | CA1306341C Process for the reduction of nitrogen oxides in an effluent |
| 08/16/1992 | CA2061066A1 Conversion of carbon monoxide using mixed transition metal oxide catalysts |
| 08/15/1992 | CA2061110A1 Process used to create a controlled atmosphere within an enclosed space, and controlled atmosphere enclosure |
| 08/15/1992 | CA2058132A1 Process and apparatus for effecting regenerative sulfur binding |
| 08/13/1992 | DE4204190A1 Procedure and device for biological cleaning of gases |
| 08/13/1992 | DE4104382A1 Gas turbine operating process - involves using concentration and volume-variable diluted ammonia solution |
| 08/13/1992 | DE4104380A1 Gas scrubbing by microbiological degradation process - to deodorise and remove toxic and malodorous pollutants by passing through a carrier bed |
| 08/13/1992 | DE4103734A1 Safety device with ventilated absorber for ammonia refrigerator - incorporates three-level absorption tank with atmos. vent from below level of water in lowest stage |
| 08/13/1992 | DE4103668A1 Catalytic converter arrangement in engine exhaust system - includes rapid heating of converter without needing hot air from electric heater |
| 08/13/1992 | CA2060948A1 Catalysts for removing sulfur compounds from industrial gases, a process for their production and their use |
| 08/12/1992 | EP0498557A1 Solid phase extraction medium |
| 08/12/1992 | EP0498519A2 Process for the purification of gases |
| 08/12/1992 | EP0498325A1 Exhaust gas purifying method using an exhaust gas purifying catalyst |
| 08/12/1992 | EP0498020A1 Method and system for handling exhaust gas in a boiler |
| 08/12/1992 | EP0497787A1 Method for fractional condensation of acid combustion gas components and apparatus for executing the method. |
| 08/12/1992 | EP0497762A1 System for the efficient reduction of nitrogen oxides in an effluent |
| 08/12/1992 | EP0302895B1 Heater for carbon particles |
| 08/12/1992 | CN1063424A Process for extensive removal of acid gases from gaseous mixtures |
| 08/12/1992 | CN1063423A Process for substance exchange between liquid and gaseous media |
| 08/12/1992 | CN1063422A Process for removing acid gases from gaseous mixtures |
| 08/12/1992 | CN1017776B Method of producing adsorbent for separation and recovery of co |
| 08/12/1992 | CN1017775B Exhaust gas treatment process using irradiation and apparatus for same |
| 08/11/1992 | US5138175 Lamp sheath assembly for optically-assisted gas decontamination process |
| 08/11/1992 | US5138105 Gas separation membrane |
| 08/11/1992 | US5137855 Catalysts for selective catalytic reduction denox technology |
| 08/11/1992 | US5137704 Process of decreasing nox content of exhaust gases |
| 08/11/1992 | US5137703 Solid catalyst of noble metal, transition metal oxide, rare earth oxide |
| 08/11/1992 | US5137702 Catalytic heat treatment |
| 08/11/1992 | US5137701 Apparatus and method for eliminating unwanted materials from a gas flow line |
| 08/11/1992 | US5137696 Exhaust gas cleaning device |
| 08/11/1992 | US5137687 Process for odor control |
| 08/11/1992 | US5137550 Cascade acid gas removal process |
| 08/11/1992 | US5137549 Two stage super-enriched oxygen concentrator |
| 08/11/1992 | US5137548 Process and apparatus for purifying air to be distilled by adsorption |
| 08/11/1992 | US5137547 Process and apparatus for preparing a gas component from a gas mixture |
| 08/11/1992 | US5137546 Process and apparatus for electrostatic purification of dust- and pollutant-containing exhaust gases in multiple-field precipitators |
| 08/11/1992 | US5136854 Centrifugal gas compressor - expander for refrigeration |
| 08/11/1992 | CA1306233C Process of treating a pressurized laden absorbent solution |
| 08/11/1992 | CA1306232C Process of treating two laden absorbent solution streams |
| 08/06/1992 | WO1992013620A1 An active liquid distributor containing packed column |
| 08/06/1992 | WO1992013180A1 Particle and light and heavy fluid separator |
| 08/06/1992 | WO1992012935A1 Iron-nickel catalyst for hypochlorite removal from waste stream effluents |
| 08/06/1992 | DE4103350A1 Purifying waste gas esp. filtration of carbon@ particles |
| 08/06/1992 | DE4102890A1 Wabenkoerper mit inhomogener elektrischer beheizung Wabenkoerper with inhomogeneous electric heating |
| 08/06/1992 | CA2101276A1 Active liquid distributor containing packed column |
| 08/06/1992 | CA2060229A1 Exhaust gas purifying catalyst and an exhaust gas purifying method using the catalyst |
| 08/05/1992 | EP0497749A1 A method of successively decreasing the mercury concentration in controlled waste depositions |
| 08/05/1992 | EP0497716A1 Device for counter-current swimming and for filtering especially for swimmingpools |
| 08/05/1992 | EP0497594A1 A filtering material and method of producing same |
| 08/05/1992 | EP0497570A1 Gas drying apparatus |
| 08/05/1992 | EP0497328A1 A sorption column for waste-gas cleaning |
| 08/05/1992 | EP0497310A1 Wet exhaust gas desulfurization apparatus and wet exhaust gas desulfurization method using this apparatus |
| 08/05/1992 | EP0497214A1 Bio-filter and the manufacture thereof |
| 08/05/1992 | EP0497154A1 High capacity coconut shell char for carbon molecular sieves |
| 08/05/1992 | EP0497025A1 Improved normal paraffin adsorptive separation using non-normal hydrocarbon pre-pulse stream |
| 08/05/1992 | EP0497003A2 Use of helium and argon diluent gases in modification of carbon molecular sieves |
| 08/05/1992 | EP0496913A1 Process for purifying flue gas from combustion units, especially from waste incinerators |
| 08/05/1992 | EP0496899A1 Method for cleaning |
| 08/05/1992 | EP0496856A1 Process and device for complete, dry desulphuration of combustion waste gases containing so 2? and dust. |
| 08/05/1992 | CN2111788U Fume purifier used in kitchen |
| 08/05/1992 | CN1063265A Method of preparing, storing and transporting high-purity hydrogen and its installation |
| 08/05/1992 | CN1063239A Process for preparation of solid capture agent of mercury |
| 08/04/1992 | US5136551 System for evaluation of velocities of acoustical energy of sedimentary rocks |
| 08/04/1992 | US5135734 Process for removing a residue containing sodium sulphate |
| 08/04/1992 | US5135729 Desulfurization of fossil fuels |
| 08/04/1992 | US5135723 Underwater exhaust gas distribution network in percolation pond coupled to pyrolytic converter; pollution control |
| 08/04/1992 | US5135548 Adsorptive separation of nitrogen from oxygen using carbon molecular sieve and water soprtion agent |
| 08/04/1992 | US5135547 Facilitated liquid membranes for olefin/paraffin gas separations and related process |
| 08/04/1992 | US5134847 Double air-fuel ratio sensor system in internal combustion engine |
| 08/04/1992 | CA1306037C Charge/purge control system for air dryer |
| 08/04/1992 | CA1305926C Process for regenerating a moisture laden drying cartridge and apparatus for carrying out such a process |
| 08/04/1992 | CA1305857C Method of and means for controlling the condition of air in an enclosure |
| 08/04/1992 | CA1305849C Method for deodorizing and cleaning offensive odor gas |
| 08/04/1992 | CA1305847C Method of catalytically oxidizing alcohol vapor accompanied by varying amounts of excess oxygen |
| 08/01/1992 | CA2060359A1 Cross-current swimming and filtering device namely for swimming pools |
| 07/31/1992 | WO1992013628A2 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
| 07/31/1992 | CA2078448A1 Gas separations utilizing glassy polymer membranes at sub-ambient temperatures |
| 07/30/1992 | DE4102557A1 Catalytic absorbent prodn. from mixed inorganic and organic waste - contg. catalytic heavy metal and carbon by pyrolysis and activation, used in waste gas purificn. |
| 07/30/1992 | DE4102167A1 Biological waste gas treatment - involving initial filtering to remove fine dust and carbon@ particles |
| 07/29/1992 | EP0496711A2 A device for the removal of hydrogen from a vacuum enclosure at cryogenic temperatures and especially high energy particle accelerators |
| 07/29/1992 | EP0496563A2 Simultaneous removal of residual impurities and moisture from a gas |
| 07/29/1992 | EP0496526A1 Exhaust gas purification system for an internal combustion engine |
| 07/29/1992 | EP0496432A1 Process for cleaning gases and exhaust gases |