| 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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| 02/18/1988 | DE3627914A1 Vorrichtung und verfahren zur optimalen energieausbeute bei heizungsanlagen, verringerung der schadstofferzeugung und zur abgasreinigung Apparatus and method for optimal energy yield in heating systems, thinning of the pollutant generation and emission control |
| 02/18/1988 | DE3627875A1 Process and apparatus for separating off and returning volatile solvents |
| 02/18/1988 | DE3627834A1 Heat exchanger arrangement of a flue gas discharge line arranged between steam generator and stack |
| 02/18/1988 | DE3627777A1 Process for regenerating a detergent |
| 02/18/1988 | DE3625029A1 Process for the continuous treatment of reaction products from flue gas scrubbers with simultaneous removal of sulphur dioxide and nitrogen oxides |
| 02/18/1988 | DE3615051A1 Process for the manufacture of a bactericidal chemisorption ceiling preferably for health clinics, hospitals, old peoples' homes and similar places of residence |
| 02/17/1988 | EP0255893A2 Process and apparatus for the recovery of 1,2-dichloroethane from waste gases |
| 02/17/1988 | CN87104539A Removing h2s and co2 from gas mixture containing h2s and co2 |
| 02/17/1988 | CN87100584A Insitu hazardous waste treating apparatus and method of using same |
| 02/16/1988 | US4725572 Sintering orthotitanic acid with silic acid, tungsten and molybdenum compounds |
| 02/16/1988 | US4725417 Magnesium oxide with noble metals or their compounds; oxidation |
| 02/16/1988 | US4725416 Removal of nitrogen oxides from flue gas |
| 02/16/1988 | US4725415 Absorption promoted by tungsten and/or molybdenum with one group eight metal |
| 02/16/1988 | US4725411 Device for physical and/or chemical treatment of fluids |
| 02/16/1988 | US4725381 Using pressure swing adsorption on raw gas stream to separate carbon oxides and nitrogen |
| 02/16/1988 | US4725380 Producing ammonia synthesis gas |
| 02/16/1988 | US4725359 Potable water from internal combustion engines |
| 02/16/1988 | US4725293 Automatic control for Pressure Swing Adsorption system |
| 02/16/1988 | US4725290 Method for the purification of air or gas streams by a multi-path adsorption principle and moving-bed filtering apparatus for performing the method |
| 02/11/1988 | WO1988000859A1 Vehicle exhaust gas systems |
| 02/11/1988 | WO1988000858A1 Wet-process stack gas purification method and apparatus |
| 02/11/1988 | DE3721572A1 Process for open-loop and closed-loop control of a catalyst |
| 02/11/1988 | DE3627086A1 Process and arrangement for removing nitrogen oxides from flue gases |
| 02/11/1988 | DE3626887A1 Laundry machine and dishwasher, oven or the like, with a dehumidifier |
| 02/11/1988 | DE3626562A1 Process for recovering argon from a gas mixture |
| 02/11/1988 | DE3626039A1 NOx reduction by ammonia in a fluidised-bed furnace |
| 02/11/1988 | DE3625727A1 Module filter for separating off hydrocarbons and catalytic conversion of CO to CO2 |
| 02/11/1988 | DE3625720A1 Purifying SO2- and NOx-containing flue gases |
| 02/10/1988 | EP0255625A2 A method for preparing rare earth metal catalysts with honeycomb-like alloy as supports. |
| 02/10/1988 | CN86208761U Lampblack purifier for kitchen |
| 02/09/1988 | US4724242 Open cell foamed gypsum absorbents |
| 02/09/1988 | US4724130 Slurrying with water, then dewatered and separation of solids |
| 02/09/1988 | US4723972 Gas separation system |
| 02/09/1988 | US4723970 Centrifugal force; downward inclined vanes |
| 02/09/1988 | US4723968 Method and apparatus for the purification of waste air containing biologically decomposable impurities |
| 02/09/1988 | US4723967 Valve block and container for semiconductor source reagent dispensing and/or purification |
| 02/09/1988 | US4723966 Gas separation by pressure swing adsorption |
| 02/09/1988 | US4723417 Dehumidification apparatus |
| 02/09/1988 | CA1232430A1 Air separation with temperature and pressure swing |
| 02/09/1988 | CA1232429A1 Process for the oxidation of hydrogen sulphide to elemental sulphur and/or sulphur dioxide |
| 02/04/1988 | DE3724446A1 Verfahren und einrichtung zum waschen eines abgasstromes Method and device for washing an exhaust gas stream |
| 02/04/1988 | DE3723942A1 Process and apparatus for protecting moisture-sensitive materials from moisture-releasing media |
| 02/04/1988 | DE3635458A1 Process for separating off SO2 and NOx and return of residues to the coal waiting for combustion |
| 02/03/1988 | EP0255121A2 Process for removing nitrogen oxides from exhaust gases and catalyst |
| 02/03/1988 | EP0255022A1 Process for removal of halogen cyanides and phosgene from waste gases |
| 02/03/1988 | CN87105154A Pressure swing adsorption product purity control method and apparatus |
| 02/02/1988 | USRE32590 Two-stage pressure swing adsorption |
| 02/02/1988 | US4722920 High purity, impregnated with lanthanum; catalytic converters |
| 02/02/1988 | US4722918 Acid-activated three-layer silicate combined with metal oxide |
| 02/02/1988 | US4722771 Process for manufacturing a partially permeable membrane |
| 02/02/1988 | US4722747 Add-on vehicle air filtration system |
| 02/02/1988 | US4722744 Condensate trap |
| 02/02/1988 | US4722742 Gas withdrawal during expansion |
| 01/28/1988 | WO1988000672A1 Treatment of flue gas containing noxious gases |
| 01/28/1988 | WO1988000483A1 Process for decomposing polyhalogenated compounds |
| 01/28/1988 | DE3624803A1 Apparatus and method for improving the efficiency of bactericidal and fungicidal chemisorption filters and corresponding room air filters and motor vehicle cabin air filters with the aid of electrical charges or discharges |
| 01/28/1988 | DE3624626A1 Process for separating off substances from a mixture of substances using magnetic liquids |
| 01/28/1988 | DE3624300A1 Process for the preparation of calcium-hydrate-containing sorbents for SO2 absorption from exhaust gases |
| 01/27/1988 | EP0254697A1 Process and apparatus for separating mercury from flue gases and process waste gases |
| 01/27/1988 | EP0254567A2 Pressure swing adsorption product purity control method and apparatus |
| 01/27/1988 | EP0254556A2 Semipermeable thin-film membranes comprising siloxane, alkoxysilyl and aryloxysilyl oligomers and copolymers |
| 01/27/1988 | EP0254538A1 Method for dry clean-up of waste material |
| 01/27/1988 | EP0254402A1 Improved gas/solid contact method for removing sulfur oxides from gases |
| 01/27/1988 | EP0254362A1 Process for the purification of flue gases |
| 01/27/1988 | EP0254165A2 High-temperature resistant catalyst body and process for its manufacture |
| 01/27/1988 | EP0254137A1 Process for preventing the corrosion of apparatus |
| 01/27/1988 | EP0254036A2 Process and installation for reducing the NOx content in flue gas of steam generators heated with coal dust with dry ash removal |
| 01/27/1988 | EP0253980A1 Method and apparatus for purifying waste gas of a manually operated spray booth |
| 01/27/1988 | EP0253951A2 Sodium-limestone double alkali flue gas desulfurization process with improved limestone utilization |
| 01/26/1988 | US4721699 Catalyst for the separation of nitrogen oxides from combustion exhaust gases |
| 01/26/1988 | US4721611 Hydrogen production |
| 01/26/1988 | US4721515 Control system of a dual-cylinder type dehumidifier |
| 01/26/1988 | US4721395 Method and apparatus for increasing the turbulence in a gas exposed to low frequency sound |
| 01/26/1988 | US4721084 Method for controlling an oxygen concentration sensor for sensing an oxygen concentration in an exhaust gas of an internal combustion engine |
| 01/26/1988 | CA1231931A1 Crystalline zeolite and the agglomerate thereof |
| 01/26/1988 | CA1231914A1 System for diaphragm distillation |
| 01/21/1988 | DE3721789A1 Verfahren zum entfernen von h(pfeil abwaerts)2(pfeil abwaerts)s und co(pfeil abwaerts)2(pfeil abwaerts) aus einer h(pfeil abwaerts)2(pfeil abwaerts)s und co(pfeil abwaerts)2(pfeil abwaerts) enthaltenden gasmischung Method for the removal of h (down arrow) 2 (down arrow) s and co (down arrow) 2 (down arrow) from a h (down arrow) 2 (down arrow) s and co (down arrow) 2 (down arrow) gas mixture containing |
| 01/21/1988 | DE3706533A1 Process for converting barium from heavy spar (barytes, barite) into an aqueous solution |
| 01/21/1988 | DE3624257A1 Bactericidal, fungicidal chemisorption filter with electrical charge on and in the chemisorption package |
| 01/21/1988 | DE3623628A1 Process and apparatus for simultaneously separating off sulphur dioxide and nitrogen oxides |
| 01/21/1988 | DE3623600A1 Catalyst for lowering the ignition temperature of diesel soot and diesel soot filter coated therewith |
| 01/21/1988 | DE3623170A1 Process for removing acidic components and nitrogen oxides from exhaust gases |
| 01/21/1988 | DE3621569A1 Chromium-aluminium-iron alloy thin strip mfr. - used as catalyst support material by rapidly cooling on moving surface |
| 01/20/1988 | EP0253563A1 A process for removal of mercury vapor and/or vapor of noxious organic compounds and/or nitrogen oxides from flue gas from an incinerator plant |
| 01/20/1988 | EP0253480A2 Process for removal of particulates and SO2 from combustion gases |
| 01/20/1988 | EP0253324A2 Method and apparatus for reducing sulphur dioxide content in flue gases |
| 01/20/1988 | EP0253047A1 Membrane-separation element |
| 01/20/1988 | CN87102943A Method for controlling wet-process flue gas desulfurization |
| 01/20/1988 | CN86104137A Moving bed activated carbon absorption-desorption device |
| 01/19/1988 | US4720476 Catalyst for decreasing the content of nitrogen oxides in flue gases |
| 01/19/1988 | US4720400 Microporous metal-plated polytetrafluoroethylene articles and method of manufacture |
| 01/19/1988 | US4720376 Process for the removal of nitrogen oxides and soot from exhaust gases of machines and combustion installations burning heavy fuel oil |
| 01/19/1988 | US4719680 Method for manufacturing a wound metallic exhaust gas catalyst carrier body having a geometrically complex cross-sectional shape |
| 01/19/1988 | CA1231598A1 Permeation modified membrane |
| 01/14/1988 | WO1988000086A1 Chemical spray apparatus for removing noxious gas in exhaust gas |
| 01/14/1988 | WO1988000085A1 Method and device for deacidifying a gas containing h2s and/or co2 as well as mercaptans |
| 01/14/1988 | WO1988000084A1 Method and installation for increasing the content of a desired constituent in a gas mixture |
| 01/14/1988 | DE3721607A1 Process for separating off nitrogen oxides from an exhaust gas |
| 01/14/1988 | DE3623015A1 Process for the prevention of the formation of organic pollutants in combustion processes |
| 01/14/1988 | DE3622621A1 Process for purifying a flue gas stream from SO2 and NOx |