| 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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| 12/09/1992 | EP0517514A1 Method for nitrogen oxide reduction and flue gas reheating |
| 12/09/1992 | EP0517427A1 Method and apparatus for concentrating chlorine gas |
| 12/09/1992 | EP0517021A1 Air filter |
| 12/09/1992 | EP0516949A1 Molded bodies containing dealuminized zeolite Y and process for manufacturing them |
| 12/09/1992 | EP0516850A1 Method of removing organic halides |
| 12/09/1992 | EP0516630A1 Process for recovery and treatment of a diverse waste stream |
| 12/09/1992 | EP0416028B1 Improved process for recovering acidic gases |
| 12/09/1992 | EP0326563B1 A method for cleansing gas and apparatus herefor |
| 12/09/1992 | CN2124059U Multistage high-efficiency purifier |
| 12/09/1992 | CN2124058U Multi-stage high-efficiency purifier |
| 12/09/1992 | CN2124057U Coal burning flue gas purifier |
| 12/09/1992 | CN1066803A Dry-type exhaust gas desulfurizing apparatus and method |
| 12/08/1992 | US5169825 Introduing alkali metal ions capable of ion exchange into a silica-alumina composite oxide of specific composition; purification of aquariums |
| 12/08/1992 | US5169814 Catalysts for denitrization |
| 12/08/1992 | US5169612 Desulfurization by absorpting with solid refractories containing tin oxides and stabilizing component |
| 12/08/1992 | US5169611 Desulfurization, devolatilization, demetallization, reduction of nitrogen oxides, adsorption, filtration |
| 12/08/1992 | US5169607 Fluidized bed in tapering funnel gives uniform countercurrent flow of adsorber particles, for power plants |
| 12/08/1992 | US5169529 Case with a bundle of hollwo fiber membranes; positioning of feed- and strip-fibers; fluid separations |
| 12/08/1992 | US5169512 Planar polarographic probe for determining the λ value of gas mixtures |
| 12/08/1992 | US5169506 Oxygen concentration system utilizing pressurized air |
| 12/08/1992 | US5169419 Gas adsorber for exhaust gas |
| 12/08/1992 | US5169415 Method of generating oxygen from an air stream |
| 12/08/1992 | US5169414 Rotary adsorption assembly |
| 12/08/1992 | US5169413 Low temperature pressure swing adsorption with refrigeration |
| 12/08/1992 | US5169412 Membrane air drying and separation operations |
| 12/08/1992 | CA1311188C Gas scrubbing apparatus |
| 12/08/1992 | CA1311187C Liquid distributor for packed tower |
| 12/08/1992 | CA1311107C Process for nitrogen oxides reduction with minimization of the production of other pollutants |
| 12/04/1992 | CA2070150A1 Membrane generators having high flexibility |
| 12/03/1992 | DE4217463A1 Feuchtigkeitsabsorbierende materialien Moisture-absorbing materials |
| 12/03/1992 | DE4215942A1 Exhaust gas concn. monitor used in IC engine catalytic purifier - using modified zeolite catalyst to reduce nitrogen oxide cpds. for max. efficiency |
| 12/03/1992 | DE4117944A1 Process and assembly to recover heat from moist gases - involves increasing level of moisture in gas by passing through a humidifier and heat released is returned to humidifier useful in chemical plants and factories |
| 12/03/1992 | DE4117848A1 Removal of harmful pollutants from exhaust gases - by leading gases through loose bed of granular material which is directly cooled or heated |
| 12/03/1992 | DE4117829A1 Oxygen@ enrichment process for combustion air - is used for engines and fire-boxes, using reversible oxygen sorbent esp. per:fluorocarbon |
| 12/03/1992 | DE4117828A1 Material recovery process from small-arms ammunition - involves bonding mercury in fuse exhaust gas by forming amalgam in a reactor |
| 12/03/1992 | DE4117477A1 Oxidative post-treatment of incinerator waste gas - includes injecting oxidant into waste gas region at elevated temp., to avoid dioxin and furan formation |
| 12/03/1992 | DE4117364A1 Accelerating start-up IC engine exhaust gas purificn. catalyst - by catalytic oxidn. of carbon mon:oxide just before main catalyst and transferring heat to gas stream |
| 12/03/1992 | DE4110939A1 Reheating gaseous media in flue gas desulphurisation reactors - esp. for coal-fired power stations, using turbine pass-out stream for indirect contact heating of fluidised bed |
| 12/02/1992 | EP0516401A1 Purification of gas streams |
| 12/02/1992 | EP0516267A1 High-aluminium-containing ferritic stainless steel |
| 12/02/1992 | EP0516262A1 Catalysts for selective catalytic reduction DeNOx technology |
| 12/02/1992 | EP0516205A1 Control method for the pH-value of an acid scrubbing solution |
| 12/02/1992 | EP0516097A1 Iron-chromium-aluminium alloy, catalytic substrate comprising the same and method of preparation |
| 12/02/1992 | EP0515900A2 Catalyst for the finishing of textiles |
| 12/02/1992 | EP0515857A1 Process for selective catalytic reduction of exhaust gases from Diesel engines |
| 12/02/1992 | EP0515759A1 Filter for purification of air |
| 12/02/1992 | EP0515696A1 Process for producing formed active coke for desulfurization and denitrification with high denitrification performance |
| 12/02/1992 | EP0515551A1 Method and means for removing mercury from the fumes from an incinerator. |
| 12/02/1992 | EP0515474A1 method and apparatus for the purification of waste gases. |
| 12/02/1992 | CN2123362U Dampproof mould-proof composite liner |
| 12/02/1992 | CN1066607A Water-resisting and high temperature desulfurizer and its preparation method |
| 12/02/1992 | CN1019271B Column for absorption of gas |
| 12/01/1992 | US5168085 Multi-stage twc system |
| 12/01/1992 | US5168065 Forced oxidation monitoring and control system |
| 12/01/1992 | US5167941 Quaternary polyamines as sulfite oxidation inhibitors in amine scrubbing of SO2 |
| 12/01/1992 | US5167940 Process and apparatus for removal of H2 S from a process gas including polyvalent metal removal and decomposition of salts and complexes |
| 12/01/1992 | US5167936 Container having absorbent alkaline liquid through which acid gas is vented |
| 12/01/1992 | US5167935 Plant for producing nitric acid |
| 12/01/1992 | US5167931 SO2 control using moving granular beds |
| 12/01/1992 | US5167908 Device for recombination of hydrogen and oxygen |
| 12/01/1992 | US5167679 Rotary gas treating apparatus |
| 12/01/1992 | US5167675 Continuous processing |
| 12/01/1992 | US5167479 Cargo restraint system |
| 12/01/1992 | CA2102815A1 Bubbleless gas transfer device and process |
| 12/01/1992 | CA2065646A1 Nox reduction and control using hydrogen peroxide in the absorber column |
| 12/01/1992 | CA1310951C Catalyst for simultaneous no decomposition and co oxidation under cycled operating conditions |
| 12/01/1992 | CA1310920C Moist air drying apparatus |
| 12/01/1992 | CA1310807C Method for reduction of sulfur products from flue gases by injection of powdered alkali sorbent at intermediate temperatures |
| 11/29/1992 | CA2043361A1 Process and system for removing dissolved and undissolved contaminants from water |
| 11/26/1992 | WO1992020621A1 Catalyst and process for removal of sulphur compounds and nitrogen oxides from fluid streams |
| 11/26/1992 | WO1992020476A1 Method and apparatus for eliminating volatile amines used in preparing foundry cores |
| 11/26/1992 | WO1992020445A1 Re-catalyst and carrier |
| 11/26/1992 | WO1992020433A1 A PROCESS FOR REMOVAL OF SO2 AND NOx FROM COMBUSTION FLUE GASES AND AN APPARATUS USED THEREFOR |
| 11/26/1992 | WO1992020432A2 Process and device for the removal of ethylene oxide gas |
| 11/26/1992 | WO1992020431A1 Treatment of acid gas using hybrid membrane separation systems |
| 11/25/1992 | EP0515034A1 Liquid membrane modules with minimal effective membrane thickness and methods of making the same |
| 11/25/1992 | EP0515033A1 Liquid membrane modules with minimal effective membrane thickness and methods of making the same |
| 11/25/1992 | EP0514941A1 Process for the separation of sulphur oxides from offgases |
| 11/25/1992 | EP0514902A1 Process for scrubbing by means of a liquid the ammonia contained in a vent |
| 11/25/1992 | EP0514739A1 Process and device for reducing NOx emissions |
| 11/25/1992 | EP0514729A2 Process for removal of ammonia contained in gases |
| 11/25/1992 | EP0514682A1 Catalyst containing metallic oxides for the oxidation breakdown of organic compounds in the residual gases from incinerator plants |
| 11/25/1992 | EP0514673A1 Process for the separation of hydrogen cyanide from gases and waste gases |
| 11/25/1992 | EP0514591A1 Multi-stage three way catalyst system |
| 11/25/1992 | EP0514572A1 Honeycomb type catalyst carrier |
| 11/25/1992 | EP0514543A1 Sewage purification apparatus |
| 11/25/1992 | EP0486676A4 Process using sorbents for the removal of so x? from flue gas and other gas streams |
| 11/25/1992 | EP0378578B1 Apparatus and process for the detoxification of hazardous waste |
| 11/25/1992 | CN1066404A Air ingredient separating device |
| 11/24/1992 | US5166122 Reducing nitrogen oxides with titanium, molybdenum, vanadium oxides |
| 11/24/1992 | US5165903 Integrated process and apparatus for control of pollutants in coal-fired boilers |
| 11/24/1992 | US5165902 Method and apparatus for reducing nitrogen dioxide emissions in a dry sodium scrubbing process using humidification |
| 11/24/1992 | US5165899 Element for filtering and/or purifying hot gases, and a process for manufacturing same |
| 11/24/1992 | US5165399 CO2 absorption means |
| 11/24/1992 | US5165394 Emergency life support unit |
| 11/24/1992 | CA1310589C Filter for gases |
| 11/24/1992 | CA1310538C Aromatics recovery and transfer |
| 11/24/1992 | CA1310473C Method of removing acid gas pollutants from flue gases and the like |
| 11/22/1992 | CA2108892A1 Treatment of acid gas using hybrid membrane separation systems |
| 11/21/1992 | CA2068911A1 Separation of pollutants in the incineration of municipal solid waste |