| 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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| 05/01/1996 | EP0709475A1 Procedure to obtain mercury metal from products containing mercuric chloride |
| 05/01/1996 | EP0709129A1 Method of reducing NOx emissions from lean-burn combustion engines |
| 05/01/1996 | EP0709128A2 Process for the removal of mercury from a mercury containing gas |
| 05/01/1996 | EP0709127A1 Denitration apparatus for a coal-fired boiler |
| 05/01/1996 | EP0709126A1 Continuous procedure for the simultaneous collection and precipitacion of mercury in gases containing it |
| 05/01/1996 | EP0709125A1 Process and device for acid gas neutralisation |
| 05/01/1996 | EP0709124A1 Process for drying a gas with distillation of a liquid drying agent |
| 05/01/1996 | EP0709123A1 Hollow fiber membrane dryer with internal sweep |
| 05/01/1996 | EP0709122A1 Adsorbate removal |
| 05/01/1996 | EP0708809A1 METHOD FOR REDUCING EMISSIONS OF NOx AND PARTICULATES FROM A DIESEL ENGINE |
| 05/01/1996 | EP0708680A1 Oxidation process |
| 05/01/1996 | EP0708679A1 Gas stream odorant filtering apparatus and method |
| 05/01/1996 | EP0708678A1 Container for carbon molecular-sieve material |
| 05/01/1996 | EP0695210A4 Thick film equilibrium process and device |
| 05/01/1996 | EP0617650B1 Method of soldering catalyst supports in catalytic converters |
| 05/01/1996 | EP0314733B1 The use of reactive calcium hydroxide for purifying gases and exhaust gases |
| 05/01/1996 | CN2225891Y Purifier for eliminating smoke, reducing dust and desulfating |
| 05/01/1996 | CN1121439A Method for processing acid waste gas |
| 04/30/1996 | US5512262 Using an alkali metal hydroxide, oxide or carbonate supported on cupric oxide and manganese dioxide as cleaning agent |
| 04/30/1996 | US5512260 Hydrogenation and hydrolysis to convert sulfur compounds to hydrogen sulfide, oxidation with acid catalyst to convert hydrogen sulfide to elemental sulfur |
| 04/30/1996 | US5512259 Controlled catalytic oxidation |
| 04/30/1996 | US5512258 Vanadium catalysts and desulfurization of sulfur compound-containing gases therewith |
| 04/30/1996 | US5512252 For percolating mixture of gases and powdered lime through water to remove sulfur dioxide |
| 04/30/1996 | US5512180 Extracting organic compounds from aqueous solutions |
| 04/30/1996 | US5512179 Membrane process for separation of fluid mixtures |
| 04/30/1996 | US5512144 Pulse method for sulfur dioxide electrolysis |
| 04/30/1996 | US5512108 Thermophotovoltaic systems |
| 04/30/1996 | US5512088 Filtering device for filtering moisture from a natural gas stream |
| 04/30/1996 | US5512087 Petroleum vapor control apparatus |
| 04/30/1996 | US5512084 Method of removing organic contaminants |
| 04/30/1996 | US5512083 Using a continuous rotating wheel support coated with zeolite adsorbent to adsorb water and volatile odors from the air stream of a passanger compartment of transportation vehicle |
| 04/30/1996 | US5512082 Vacuum swing adsorption using at least two beds, for separation and recovery of waste gases mixed with air |
| 04/30/1996 | US5512075 Folded filter element for filtering fluid |
| 04/30/1996 | US5512072 Flue gas scrubbing apparatus |
| 04/30/1996 | US5511972 Stability; low temperature |
| 04/30/1996 | US5511409 Measurement of emission levels in a gas stream |
| 04/30/1996 | CA2074386C Catalytic composite for deodorizing odorous gases and a method for preparing the same |
| 04/30/1996 | CA1338286C Catalyst filter, method for manufacturing a catalyst filter and comprehensive method for treating a combustion exhaust gas using a catalyst filter |
| 04/27/1996 | CA2158672A1 Procedure to obtain mercury metal from products containing mercurous chloride |
| 04/25/1996 | WO1996012213A1 Filter for a photothermographic developer |
| 04/25/1996 | WO1996012053A1 Method for minimizing solvent degradation and corrosion in amine solvent treating systems |
| 04/25/1996 | WO1996011740A1 Nitrogen oxide reducing catalyst compositions based on tantalum, vanadium, niobium, copper or antimony |
| 04/25/1996 | WO1996011739A1 Storage and delivery system for gaseous compounds |
| 04/25/1996 | DE4437892A1 Sepn. of organic vapour from air streams by permeation through a membrane |
| 04/25/1996 | DE4437842A1 Two=stage biological gas washing |
| 04/25/1996 | DE4437718A1 Katalysator-Trägerkörper mit einer Innenisolierung The catalyst support body with an innerliner |
| 04/25/1996 | DE19538997A1 Verfahren zur Gewinnung von Stickstoff A method for producing nitrogen |
| 04/25/1996 | DE19530896A1 Verfahren, Vorrichtung und Katalysator zum Reinigen von Abluft A method, apparatus and catalyst for purifying exhaust air |
| 04/25/1996 | DE19507336C1 Adsorption filter for removing bad odours having inexpensive mfg. costs |
| 04/25/1996 | CA2202185A1 Nitrogen oxide reducing catalyst compositions based on tantalum, vanadium, niobium, copper or antimony |
| 04/24/1996 | EP0708230A1 Device for after-treatment of exhaust gases of self ignition internal combustion engines |
| 04/24/1996 | EP0708061A1 Porous glass film with superfine pores, method of producing the same, and high-selectivity gas separation film |
| 04/24/1996 | EP0707989A1 Apparatus for cleaning ambient air |
| 04/24/1996 | EP0707889A1 Catalyst body and method of manufacturing the catalyst body |
| 04/24/1996 | EP0707883A2 Catalyst and method for purifying exhaust gases |
| 04/24/1996 | EP0707882A1 Catalyst for purifying exhaust gases |
| 04/24/1996 | EP0707881A1 Ammonia adsorption apparatus |
| 04/24/1996 | EP0707880A1 Process for cleaning a gas with a washing liquid |
| 04/24/1996 | EP0707510A1 Method for cleaning a gas flow |
| 04/24/1996 | EP0672020B1 Drying and separating process and plant |
| 04/24/1996 | EP0670811B1 Process for desulphurating a h2s-containing crude gas |
| 04/24/1996 | EP0653956B1 Catalytic ozone converter |
| 04/24/1996 | EP0616733B1 Method and apparatus for the selective oxidation of carbon monoxide in a hydrogen-containing gas mixture |
| 04/24/1996 | EP0612268B1 Convection towers |
| 04/24/1996 | EP0592477B1 Device for cleaning flue gas |
| 04/24/1996 | EP0546056B1 Membranes having selective permeability |
| 04/24/1996 | CN2225293Y Energy saving micro thermal regenerating air drier |
| 04/24/1996 | CN1121175A Air compressing dehumidifier |
| 04/24/1996 | CN1031623C Oxygen-separating porous membranes |
| 04/24/1996 | CN1031621C Membrane drying process and system |
| 04/23/1996 | US5510567 Method of separating a mixture of gases by absorption |
| 04/23/1996 | US5510094 Desulfurization of flue gas to form gypsum and ammonium sulfate |
| 04/23/1996 | US5510093 Air pollution control |
| 04/23/1996 | US5510092 Integrated catalytic/non-catalytic process for selective reduction of nitrogen oxides |
| 04/23/1996 | US5510087 Vertically housed spray washer, heat exchanger tubes for cooling flue gas, alkali reagent sprayer, second heat exchanger tubes, and pollution collector; efficiency |
| 04/23/1996 | US5510086 Adcat exhaust treatment device |
| 04/23/1996 | US5510061 Non-welded support plate member |
| 04/23/1996 | US5509956 Purifying the waste air pollution by emitting microwave energy, heating adsorber material to desorption |
| 04/23/1996 | US5509853 Method and manufacture for purifying the atmosphere |
| 04/23/1996 | US5509362 Method and apparatus for unmixed combustion as an alternative to fire |
| 04/23/1996 | US5509189 Method for making an electrochemical cell |
| 04/22/1996 | CA2160848A1 Helium recovery |
| 04/22/1996 | CA2160846A1 Natural gas enrichment process |
| 04/18/1996 | WO1996011330A1 Method and apparatus for heating a catalytic converter to reduce emissions |
| 04/18/1996 | WO1996011168A1 Biological waste fluid cleaner |
| 04/18/1996 | WO1996011164A1 Method and apparatus for desulfurizing a gas |
| 04/18/1996 | WO1996011056A1 Polyazacycloalkanes, tri, tetra or pentaazamacrocyclic complexes grafted to a support |
| 04/18/1996 | WO1996011049A1 A method and an apparatus for optimizing the yield from a regenerable dehumidier for wet air provided with a rotor, and a flow meter, particularly for such an apparatus |
| 04/18/1996 | WO1996011048A1 Multiple stage semi-permeable membrane gas separation process |
| 04/18/1996 | DE4447583A1 Removing harmful pollutants from combustion waste gases and recovering |
| 04/18/1996 | CA2197688A1 Method and apparatus for heating a catalytic converter to reduce emissions |
| 04/18/1996 | CA2160201A1 Hollow fiber membrane dryer with internal sweep |
| 04/17/1996 | EP0707360A1 Impurity getters in laser enclosures |
| 04/17/1996 | EP0706824A1 Low expansion molecular sieves and method of making same |
| 04/17/1996 | EP0706819A2 Method of preparing membranes from blends of polymers |
| 04/17/1996 | EP0706817A2 Process for the simultaneous reduction of hydrocarbons, carbon monoxide and nitrogen oxides occurring in the exhaust gas of an internal combustion engine |
| 04/17/1996 | EP0706816A1 Process for decomposing ammonia in an off-gas |
| 04/17/1996 | EP0706815A2 Process for mercury removal from fine gases resulting from the combustion of sewage sludge |
| 04/17/1996 | EP0706814A1 Wet flue-gas desulphurization system |
| 04/17/1996 | EP0706813A2 Process for acid gas absorption in the presence of carboxylated polymers |