| 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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| 01/02/1997 | DE19525119A1 Process to improve flue gas desulphurisation plant water management |
| 01/02/1997 | DE19523866A1 Verfahren zum Abscheiden von Flugstäuben A method for separating fly ash |
| 01/02/1997 | DE19523219A1 Vorrichtung zum zeitabhängigen Steuern der Regenerationsdauer eines Lufttrockners Apparatus for controlling the time-dependent regeneration duration of an air dryer |
| 01/02/1997 | DE19522630A1 Exhaust air purificn. equipment for spaces contg. chemical gases and vapour |
| 01/02/1997 | DE19522084A1 Flue gas combustion plant |
| 01/02/1997 | DE19514153A1 Device for filtering exhaust air from bitumen tanks |
| 01/01/1997 | CN2243936Y Sieve energy saving desulfurization dust removing device |
| 01/01/1997 | CN2243935Y Integrated device for water curtain dust removing and desulfurization |
| 01/01/1997 | CN1139393A Zeolith-coatable metallic foll |
| 01/01/1997 | CN1139021A Fluid separation membranes prepared from blends of polymide polymers |
| 01/01/1997 | CN1139020A Method for purifying combustion exhaust gas |
| 01/01/1997 | CN1139019A Pressure swing adsorptions eparating method |
| 01/01/1997 | CN1139018A Method for recovering carbon monoxide from exhaust containing at least carbon monoxide, nitrogen and hydrogen of acetic acid synthesizer |
| 01/01/1997 | CN1033689C Process of purifying loaded waste gases from oil burning device |
| 12/31/1996 | US5589432 Exhaust gas cleaner and method for cleaning same |
| 12/31/1996 | US5589396 Coating providing size and chemical selectivity among different chemical species using controlled porosity and composition |
| 12/31/1996 | US5589149 Process for absorption of mercaptans |
| 12/31/1996 | US5589148 Group 2a hydroxide, iron oxide |
| 12/31/1996 | US5589147 Catalytic system for the reducton of nitrogen oxides |
| 12/31/1996 | US5589146 Using ammonia as a reducing agent by adsorbing ammonia then desorption |
| 12/31/1996 | US5589143 Exhaust gas purification apparatus for internal combustion engine |
| 12/31/1996 | US5589142 Integrated regenerative catalytic oxidation/selective catalytic reduction abatement system |
| 12/31/1996 | US5588984 Apparatus and method to intermittently manufacture and dispense nitrogen |
| 12/31/1996 | CA2180235A1 Process and device for the preparation of a flow which is substantially purified with respect to at least one of the impurities oxygen and carbon monoxide |
| 12/31/1996 | CA2009165C Catalyst for purification of exhaust gas from diesel engine |
| 12/31/1996 | CA1338816C Sulfuric acid process and apparatus |
| 12/31/1996 | CA1338815C Condensing sulfuric acid vapours to produce sulfuric acid |
| 12/27/1996 | WO1996041677A1 Gas passage with selectively acting penetration surface and process for producing the penetration surface |
| 12/27/1996 | WO1996041673A1 Biological environmental air filter |
| 12/27/1996 | EP0750361A1 Method of removing CO from CO + H2 gases and fuel cell system using method |
| 12/27/1996 | EP0750340A1 Nitrogen gas supply system |
| 12/27/1996 | EP0750030A2 Gas refining system |
| 12/27/1996 | EP0749774A2 System for exhaust gas purification and method for exhaust gas purification using said system |
| 12/27/1996 | EP0749773A1 System for processing carbon dioxide containing gases |
| 12/27/1996 | EP0749349A1 Device for cooling and cleaning flue gases |
| 12/27/1996 | EP0655014B1 Catalytic incineration of organic compounds |
| 12/27/1996 | EP0649336B1 Pollution control apparatus for industrial processes and the like |
| 12/27/1996 | EP0606268B1 Method for purifying nitric oxide and sulphur dioxide containing gas |
| 12/25/1996 | CN2243331Y Regenerating apparatus for air adsorbing drying agent by indirectly heating using waste heat |
| 12/25/1996 | CN2243330Y Dry desulfurizing apparatus of N-shape speed varying circulation fluid bed |
| 12/25/1996 | CN1138833A Device and process for reducing the quantity of pollutants in combustion exhaust gases |
| 12/25/1996 | CN1138497A Slurry thickening tank and absorption tower for use in wet flue gas desulfurization systems |
| 12/24/1996 | US5587138 Increasing sulfur trioxide content, converting metal dusts to sulfates |
| 12/24/1996 | US5587137 Adsorption, conversion catalysts connected to each other |
| 12/24/1996 | US5587136 Dry process desulfurization and denitrifcation process |
| 12/24/1996 | US5587135 Contacting gas stream with noble metal-free catalyst containing copper aluminate spinel in alumina matrix in which part or all of copper has been replaced by tin, lead, zinc, magnesium, calcium, strontium and/or barium |
| 12/24/1996 | US5587134 Low temperature oxidation |
| 12/24/1996 | US5587003 Removal of carbon dioxide from gas streams |
| 12/24/1996 | US5586995 Filter for separating pollutants from flue gases |
| 12/24/1996 | US5586433 Hydrocarbons and air supplied to exhaust gas purifier, producing short chained unsaturated hydrocarbons |
| 12/24/1996 | CA2174374A1 Carbon monoxide removal method based on adsorption/steam desorption cycle |
| 12/24/1996 | CA2152566A1 System and method of decreasing nox emissions from a fluidized bed reactor |
| 12/21/1996 | CA2152198A1 Method and an apparatus for the purification of residual products from flue gas purification plants |
| 12/19/1996 | WO1996041353A1 Electrically insulating gastight feedthrough |
| 12/19/1996 | WO1996041038A1 Electrochemical recovery of hydrogen halides using membrane |
| 12/19/1996 | WO1996040419A1 Diesel engine exhaust gas purification catalyst |
| 12/19/1996 | WO1996040418A1 Copper-silver zeolite catalysts |
| 12/19/1996 | WO1996040417A1 Palladium catalyst washcoat supports for improved methane oxidation in natural gas automotive emission catalysts |
| 12/19/1996 | WO1996040416A1 Catalyst and method for oxidizing oxygen-containing organic compounds in waste gas |
| 12/19/1996 | WO1996040415A1 Method for purifying an inert gas while preparing lower alkyl esters |
| 12/19/1996 | WO1996040414A1 Enzyme systems for gas processing |
| 12/19/1996 | WO1996040413A1 Composite metal membrane |
| 12/19/1996 | WO1996040412A2 Oxygen-scavenging composition |
| 12/19/1996 | WO1996040373A1 Vaporizable material injection into molten bath |
| 12/19/1996 | WO1996039885A1 Membranes of polyurethane based materials including polyester polyols |
| 12/19/1996 | DE19527896C1 Condensing water vapour from exhaust air from food factories, e.g. meat factories |
| 12/19/1996 | DE19522586A1 Desulphurising flue gas from coal fired power stations |
| 12/19/1996 | DE19521678A1 Cylindrical filter cartridge with high air permeability |
| 12/19/1996 | DE19521621A1 Unit cleaning emissions from internal combustion engines during cold starting |
| 12/19/1996 | DE19521522A1 Reducing nitrogen oxide(s) in combustion engine exhaust gas |
| 12/19/1996 | DE19520657A1 Bio-filter for deodorising and removing germs and spores from gases |
| 12/19/1996 | CA2223713A1 Catalyst and method for oxidizing oxygen-containing organic compounds in waste gas |
| 12/19/1996 | CA2223627A1 Electrochemical recovery of hydrogen halides using membrane |
| 12/18/1996 | EP0748766A1 Alkaline-earth metal carbonate based granulate with ab- or adsorptive compounds |
| 12/18/1996 | EP0748765A1 Installation for the production of carbon monoxide including a cryogenic separation plant |
| 12/18/1996 | EP0748650A2 Fluorine-containing polyimide gas separation membrane and method of manufacturing the same |
| 12/18/1996 | EP0748649A1 A method of treating organohalogen compound, and an apparatus thereof |
| 12/18/1996 | EP0748648A1 Method for producing oxygen and generating power using a solid electrolyte membrane integrated with a gas turbine |
| 12/18/1996 | EP0637359B1 Catalyst unit with heating means |
| 12/18/1996 | EP0607290B1 Clamshell retainer used in hollow fiber membrane devices |
| 12/18/1996 | EP0601067B1 Semi-permeable gas separation membranes having non-ionic surfactants disposed on a membrane surface or within membrane structure and processes for making and using the same |
| 12/18/1996 | EP0552174B1 Sensing element for boundary-flow sensors for determining the lambda-value of gas mixtures |
| 12/18/1996 | EP0542838B1 Process for recovering sulphur from a h2s-containing gas stream under high pressure |
| 12/18/1996 | CN2242724Y Ternary purifying device for tail gas of automobile |
| 12/18/1996 | CN2242723Y General moisture-removing device for damp-proof box |
| 12/18/1996 | CN2242721Y Ceramic-blade impulse comprehensive dust-removing machine set |
| 12/18/1996 | CN1138301A Catalyst structure and gas purification apparatus |
| 12/18/1996 | CN1137945A Catalyst for purifying exhaust gases |
| 12/18/1996 | CN1137939A Process for separating nitrogen from less polar compounds |
| 12/17/1996 | US5585532 Method for treating a gas formed from a waste in a molten metal bath |
| 12/17/1996 | US5585082 SOx/NOx sorbent and process of use |
| 12/17/1996 | US5585081 SOx, NOx and particulate removal system |
| 12/17/1996 | US5585072 Apparatus for injecting chemical reactant into large scale combustion devices such as boilers for reaction with flue gases |
| 12/17/1996 | US5585005 Bubbling gas stream having sulfur-containing impurities into aqueous catalytic solution for oxidation to solid sulfur particles, then frothing and adsorption of more impurities before skimming |
| 12/17/1996 | US5584997 Separation module and bundle unit of hollow thread-type porous membrane elements and methods of producing same |
| 12/17/1996 | US5584983 Method for the production of a metal foam |
| 12/17/1996 | US5584959 Waste treatment system in a polishing apparatus |
| 12/17/1996 | US5584916 Organic-solvent vapor adsorbing apparatus |
| 12/17/1996 | US5584912 High micropore volume low silica EMT-containing metallosilicates |
| 12/17/1996 | US5584911 Vapor recovery system with cyclonic separator |