| 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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| 08/09/1988 | US4761968 For removing moisture from air and like gases used in pnuematic systems |
| 08/09/1988 | CA1240122A1 Method and apparatus for exhaust gas stream scrubbing |
| 08/04/1988 | DE3703803A1 Vorrichtung zur nassreinigung von rauchgas A device for wet cleaning of flue gas |
| 08/04/1988 | DE3702306A1 Process for separating off heavy metals from the exhaust gases of furnaces |
| 08/04/1988 | DE3702190A1 Adsorption process |
| 08/04/1988 | DE3702107A1 Utilisation of waste water downstream of simultaneous SO2 and NOx scrubbers |
| 08/04/1988 | DE3701660A1 Process for desulphurising exhaust gases and apparatus for carrying out this process |
| 08/03/1988 | EP0277012A1 Ceramic honeycomb filter for purifying exhaust gases |
| 08/03/1988 | EP0276883A1 Process for the simultaneous denitration and desulfurization of an oxygen-containing exhaust gas |
| 08/03/1988 | EP0276363A1 Process for desulfurisation of flue gases |
| 08/03/1988 | EP0276309A1 Process for separation of high purity gas from mixed gas |
| 08/03/1988 | CN87212349U Regenerating installation of active carbon absorption with waste gas of high efficiency solvent |
| 08/03/1988 | CN87211085U Purification device of glass fiber reinforced plastic for acidic fog |
| 08/03/1988 | CN87107532A Improved gas separation by pressure swing adsorption |
| 08/03/1988 | CN87106594A Device and method for separating individual fluids from a mixture of fluids |
| 08/02/1988 | US4761395 Process and composition for purifying arsine, phosphine, ammonia, and inert gases to remove Lewis acid and oxidant impurities therefrom |
| 08/02/1988 | US4761270 Method of reducing the oxides of nitrogen in fossil fuels combustion and combustion effluents using hydrazine and/or hydrazine compounds |
| 08/02/1988 | US4761167 Hydrocarbon recovery from fuel gas |
| 08/02/1988 | US4761165 Pressure swing adsorption control method and apparatus |
| 08/02/1988 | US4761164 Permeability of membranes |
| 08/02/1988 | CA1239941A1 Solvent composition for the removal of acid gas from gas mixtures at subfreezing temperatures |
| 08/02/1988 | CA1239922A1 Platinum/silver vanadate catalyzed diesel exhaust particulate filter |
| 08/02/1988 | CA1239879A1 Continuous sorption process |
| 08/02/1988 | CA1239878A1 Gas separation process |
| 08/02/1988 | CA1239771A1 Promoted scavenger for purifying hcl-contaminated gases |
| 08/02/1988 | CA1239770A1 Process of removing hydrogen sulfide from gas mixtures |
| 07/28/1988 | DE3744599A1 Installation for the decentralised supply to inhabitable buildings and waste disposal from these |
| 07/28/1988 | DE3736259A1 Device for determining the degree of conversion of a catalyst/catalytic converter |
| 07/28/1988 | DE3701339A1 Process for removing NOx peak loads in flue gas purification downstream of fossil-fuelled combustion boilers |
| 07/27/1988 | EP0276176A1 Process for the simultaneous exchange of heat and material through a porous barrier |
| 07/27/1988 | EP0275846A1 Means for treating combustion gases |
| 07/27/1988 | EP0275844A2 Non evaporable getter device incorporating a ceramic support and method for the manufacture thereof |
| 07/27/1988 | EP0275671A1 Process for calcining a denitrating catalyst |
| 07/27/1988 | EP0275620A2 Method and catalyst for purification of gas |
| 07/27/1988 | EP0275472A2 Method for removing impurities from waste gas |
| 07/27/1988 | EP0162085B1 Process for separating acid polluting gas and combustion plant |
| 07/27/1988 | CN87107195A Integrated injection and bag filter house system for sox-nox-particulate control with reagent/catalyst regeneration |
| 07/26/1988 | US4760423 Apparatus and method for reducing hydrocarbon emissions from a liquid-based electrophotographic copying machine |
| 07/26/1988 | US4760047 Used for effecting catalytic conversion in exhaust gas flowing therethrough |
| 07/26/1988 | US4760044 Noble metal catalyst supported on oxide support |
| 07/26/1988 | US4760027 Microbiological desulfurization of gases |
| 07/26/1988 | US4759918 Contacting exhaust with catalytical composite containing particluate filter having deposited refractory oxide and a metal selected from platinum, palladium, or rhodium |
| 07/26/1988 | US4759884 Apparatus for gas wet treatment |
| 07/26/1988 | US4759866 Mixture of alkali metal salts and 1-amino-cyclopentane-carboxylic acid and derivatives or its precursor as gas scrubber |
| 07/26/1988 | US4759780 Apparatus for concentrating a gas, especially oxygen, from a gaseous mixture using an ultrathin solid membrane |
| 07/26/1988 | US4759777 Passing flue gas into with an aqueous liquid, separating liquid product to obtain wood particle, and gasiform product is contacted with alkaline solution |
| 07/26/1988 | US4759776 Used for separating feed gas mixture containing atleast two component having different permeability by contacting with unsaturated organogermyl polymer membrane |
| 07/26/1988 | CA1239597A1 Process and apparatus for direct heat transfer temperature swing regeneration |
| 07/26/1988 | CA1239596A1 Adsorption separation cycle |
| 07/26/1988 | CA1239595A1 Enhanced pressure swing adsorption processing |
| 07/26/1988 | CA1239594A1 Single bed pressure swing adsorption gas separation system |
| 07/26/1988 | CA1239593A1 Pressure swing adsorption process for supplying oxygen under variable demand conditions |
| 07/26/1988 | CA1239590A1 Catalytic converter for automotive exhaust system |
| 07/21/1988 | DE3700553A1 Process and reaction apparatus for dry flue gas desulphurisation |
| 07/21/1988 | DE3700348A1 Desulphurising and desooting unit |
| 07/21/1988 | DE3604592A1 Apparatus for purifying vehicle exhaust gas and flue gas with or without filtering media, also for retaining, e.g., additives and catalyts |
| 07/20/1988 | EP0275201A1 Gas drying apparatus |
| 07/20/1988 | EP0274986A1 Waste gas purification process |
| 07/20/1988 | EP0274781A2 A switch-over valve, preferably for an air drier |
| 07/20/1988 | EP0274475A1 Treatment of flue gas containing noxious gases |
| 07/20/1988 | CN88100077A Removal of water-immiscible solvents from offgases containing same |
| 07/20/1988 | CN87213855U Bathing acid mist-sucking purifier without pump |
| 07/19/1988 | US4758417 Gas treatment process |
| 07/19/1988 | US4758416 Removal of H2 S from gas streams |
| 07/19/1988 | US4758410 Cartridge for catalyst plates |
| 07/19/1988 | US4758341 Membrane separation device |
| 07/19/1988 | US4758255 Canister for adsorbing fuel vapors |
| 07/19/1988 | US4758254 Pneumatic system to remove moisture from compressed gas; drying cylinder |
| 07/19/1988 | US4758253 Separating gas mixture into streams according to ability to be adsorbed |
| 07/19/1988 | US4758252 Pressure swing adsorption; venting adsorbent bed; regeneration |
| 07/19/1988 | US4758250 Ammonia separation using ion exchange polymeric membranes and sorbents |
| 07/19/1988 | CA1239342A1 Air scrubbing system |
| 07/14/1988 | DE3708850C1 Process for removing acidic constituents from gases |
| 07/14/1988 | DE3700015A1 Electron beam double window |
| 07/14/1988 | DE3644807A1 Method of treating the waste air from a continuous purification system, and system for carrying out the method |
| 07/14/1988 | DE3644678A1 Process for producing packing material from products of the SO2/NOx simultaneous flue gas scrubber |
| 07/13/1988 | EP0274148A2 Process for the catalytic reduction of nitrogen monoxide in a gas |
| 07/13/1988 | EP0274132A2 SO3 flue gas conditioning system |
| 07/13/1988 | EP0274111A2 Method for removing benzene and toluene from exhaust gases containing the same |
| 07/13/1988 | EP0274037A1 Process and device for the separation of particles |
| 07/13/1988 | CN87212901U Divided hopper drying chamber desalphurization installation for the purification of coal gas |
| 07/13/1988 | CN87108052A Process for removing carbon dioxide from gas |
| 07/13/1988 | CN87107407A Process for treating by-product of radiation treatment of ammonia-added effluent gas |
| 07/13/1988 | CN87105795A Method and system for exhaust gas stream scrubbing |
| 07/13/1988 | CN87105536A Iron-series deoxidant |
| 07/12/1988 | US4757045 Catalysts with support coatings having increased macroporosity and method for producing the catalysts |
| 07/12/1988 | US4756932 Process for making highly permeable coated composite hollow fiber membranes |
| 07/12/1988 | US4756893 Continuous catalytic desulfurization of gases containing sulfur oxide to produce steam |
| 07/12/1988 | US4756892 Reacting flue gas in atomized state with sodium and calcium hydroxides or carbonates |
| 07/12/1988 | US4756891 Passing combustion air through heat exchanger, passing ammonia and nitrogen oxide containing flue gas through heat exchanger |
| 07/12/1988 | US4756890 Reduction of NOx in flue gas |
| 07/12/1988 | US4756835 Permeable membranes having high flux-density and low fouling-propensity |
| 07/12/1988 | US4756726 Container of elongated compartment of woven fiber glass fabric, desiccant granules containing moisture indicator |
| 07/12/1988 | US4756723 Preparation of high purity oxygen |
| 07/12/1988 | CA1239016A1 Spray dryer apparatus |
| 07/07/1988 | DE3707355C1 Process for treating scrubbing solutions used in the separation of SO2 and NOx from exhaust gases |
| 07/07/1988 | DE3644617A1 Electrical spark-catalyser system (spark-catalyst system) |
| 07/07/1988 | DE3644381A1 Process and plant for minimising pollutant emissions from combustion plants |
| 07/07/1988 | DE3644377A1 Exhaust gas catalyst, its preparation and use for the purification of exhaust gases of internal combustion engines |
| 07/07/1988 | DE3644126A1 Process for exhaust air purification and recovery of solvents from solvent vapours contained in the exhaust air and an adsorbent-containing vessel through which the exhaust air flows |