| 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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| 03/26/1997 | EP0764460A2 Nitrogen oxide traps |
| 03/26/1997 | EP0764459A2 Nitrogen oxide traps |
| 03/26/1997 | EP0764458A1 Cleaning agent and cleaning process for harmful gas |
| 03/26/1997 | EP0764457A2 A dioxin formation preventative in incinerators and method for preventing the formation of dioxins |
| 03/26/1997 | EP0764455A2 A filter for a treatment of carbon-based particles in exhaust gas and a device for said treatment using said filter |
| 03/26/1997 | EP0764050A1 Chromium catalyst and catalytic oxidation process |
| 03/26/1997 | EP0764044A1 Apparatus for the purification of polluted air and related purification process |
| 03/26/1997 | EP0653948B1 A process for the destruction of halocarbons |
| 03/26/1997 | CN2250187Y Composite smoke prevention and desulphurization equipment |
| 03/26/1997 | CN1146254A Method and plant for cleaning lightly radioactive waste incineration gases |
| 03/26/1997 | CN1145822A Method for producing oxygen and generating power using solid electrollyte membrank integrated with gas turbine |
| 03/26/1997 | CN1034314C Apparatus for desulfurization of waste gases by wet process |
| 03/26/1997 | CN1034313C Process for purification of acidic gas |
| 03/26/1997 | CA2186409A1 Pressure swing adsorption air prepurifier |
| 03/25/1997 | US5614159 Process for the purification of an oxidation off gas with energy recovery |
| 03/25/1997 | US5614158 Process for removing sulfur dioxide from gases and producing gypsum and purified magnesium hydroxide |
| 03/25/1997 | US5614102 Method for purifying sewage |
| 03/25/1997 | US5614080 Treatments to reduce aldol condensation and subsequent polymerization in monoethanolamine scrubbers |
| 03/25/1997 | US5614065 Distillation with membrane apparatus |
| 03/25/1997 | US5614043 Method for fabricating electronic components incorporating ceramic-metal composites |
| 03/25/1997 | US5614001 Hydrogen separator, hydrogen separating apparatus and method for manufacturing hydrogen separator |
| 03/25/1997 | US5614000 Purification of gases using solid adsorbents |
| 03/20/1997 | WO1997010315A2 Fireproof cladding in the transfer line of a gasifier to the heat recovery boiler |
| 03/20/1997 | WO1997010172A1 Process and device for separating hydrogen from a gas mixture |
| 03/20/1997 | WO1997010051A1 Adsorbent and method for treatment of exhaust gas |
| 03/20/1997 | WO1997010044A1 Method and devices for the chemical purification of thermal engine exhaust gases |
| 03/20/1997 | WO1997010043A1 Methods and apparatus for treating waste gas streams from wood burning processes |
| 03/20/1997 | WO1997010041A1 Method of cleaning gases, in particular gases contaminated with chemical residues |
| 03/20/1997 | WO1997005943A3 Process for removing carbon dioxide from gas mixtures |
| 03/20/1997 | DE19534549A1 Exhaust gas cleaning |
| 03/20/1997 | DE19534337A1 Removing sulphur and nitrogen from flue gases |
| 03/20/1997 | DE19534008A1 Verfahren zur Reinigung von mit insbesondere chemischen Rückständen befrachteten Gasen Process for purifying gases laden with particular chemical residues |
| 03/19/1997 | EP0763589A1 Refractory lining in the transition between a gasifier and a waste heat boiler |
| 03/19/1997 | EP0763500A2 Process for the preparation of nitrogen-dioxide-free nitric oxide |
| 03/19/1997 | EP0763380A1 Layered catalysts |
| 03/19/1997 | EP0763377A1 Flue gas treating system |
| 03/19/1997 | EP0762931A1 Purification of air in enclosed spaces |
| 03/19/1997 | EP0762926A1 ALLOYED METAL CATALYSTS FOR THE REDUCTION OF NO x IN THE EXHAUST GASES FROM INTERNAL COMBUSTION ENGINES CONTAINING EXCESS OXYGEN |
| 03/19/1997 | EP0762925A1 DeNOx CATALYST FOR REDUCING THE NOx CONCENTRATION IN A STREAM OF FLUID, AND METHOD OF MANUFACTURING THE CATALYST |
| 03/19/1997 | EP0762924A1 Process and device for disposing of ethylene oxide gas used for sterilisation purposes |
| 03/19/1997 | EP0680372B1 A method and an apparatus for the purification of residual products from flue gas purification plants |
| 03/19/1997 | EP0662937B1 Process for converting 1,2-dichloropropane to propylene |
| 03/19/1997 | EP0636052B1 Device for cleaning exhaust fumes |
| 03/19/1997 | EP0619857B1 Intercooler apparatus |
| 03/19/1997 | CN1145592A Deodorant material, process for producing the same, and method of deodorization |
| 03/19/1997 | CN1145395A Method and appts. for prodn. gasoline, diesel oil and carbon black by utilizing wasted rubber |
| 03/19/1997 | CN1145272A NOx adsorbent |
| 03/19/1997 | CN1145270A Exhaust desulfation method |
| 03/19/1997 | CN1145269A Method and appts. for reclaiming CO and hydrogen from smelting discharge gas |
| 03/18/1997 | US5612276 Carrier of titania with alumina, silica and ceramics for ruthenium halide |
| 03/18/1997 | US5612012 Method for removing carbon monoxide from reformed gas |
| 03/18/1997 | US5612011 Process for the purification of inert gases |
| 03/18/1997 | US5612010 Selective catalytic reduction of nitrogen oxides |
| 03/18/1997 | US5612009 Catalytic decomposition of dinitrogen monoxide |
| 03/18/1997 | US5612004 Exhaust gas processing system |
| 03/18/1997 | US5611936 Trichloroethylene |
| 03/18/1997 | US5611931 Bundles of ceramic tubes in housing, separation of low and high molecular weight hydrocarbons |
| 03/18/1997 | US5611910 Adding oxides, hydroxides, carbonates, and/or bicarbonates of sodium, potassium, magnesium, calcium, aluminum, copper, or zinc; weatherproofing |
| 03/18/1997 | US5611898 Reaction chamber having in situ oxygen generation |
| 03/18/1997 | US5611853 Deodorant, absorbent, adsorbent |
| 03/18/1997 | US5611845 Oxygen enriched air generation system |
| 03/18/1997 | US5611843 Carbon dioxide separation |
| 03/18/1997 | US5611842 Removal of at least one non-water vapor component of a vaporous mixture feed |
| 03/18/1997 | US5611841 Vapor recovery process using baffled membrane module |
| 03/18/1997 | US5611839 Method for rendering refractory sulfide ores more susceptible to biooxidation |
| 03/18/1997 | US5611209 Dehumidifier |
| 03/18/1997 | US5611198 Exhaust systems for engines to purify exhaust gases for denitration |
| 03/18/1997 | CA2118703C Particle-loaded blown microfiber article for separation and purification |
| 03/15/1997 | CA2185611A1 Gas-scrubbing apparatus |
| 03/13/1997 | WO1997009271A1 Process for separating selected components from multi-component natural gas streams |
| 03/13/1997 | WO1997009114A1 Use of catalysts |
| 03/13/1997 | WO1997009112A1 Flue-gas cleaning installation |
| 03/13/1997 | WO1997009111A1 Process and device for scrubbing acidic gases |
| 03/13/1997 | WO1997009110A1 Method and device for treating exhaust gas |
| 03/13/1997 | WO1997009109A1 Method and device for purifying gaseous effluent streams containing pollutants |
| 03/13/1997 | WO1997009073A1 Photocatalytic air disinfection |
| 03/13/1997 | DE19636648A1 Carbon di:oxide-absorbing particles for scrubbing systems |
| 03/13/1997 | DE19533715A1 Verfahren zum Entfernen von Stickstoffoxiden aus einem diese enthaltenden Gasstrom A process for removing nitrogen oxides from a gas stream comprising |
| 03/13/1997 | DE19533464A1 Filter material with high affinity and capacity for adsorbing radon from air stream |
| 03/13/1997 | DE19533238A1 Continuous/discontinuous determination of functionality and activity of waste air cleaning plants |
| 03/13/1997 | DE19532862A1 Plant cleaning waste gases by solids contacting in recirculated fluidised bed |
| 03/13/1997 | DE19532814A1 Indigo used to remove harmful gases, esp. ozone, from air |
| 03/13/1997 | DE19532516A1 Removing acid components from the waste gases emitted by incinerators etc. |
| 03/13/1997 | CA2231432A1 Process and device for scrubbing acidic gases |
| 03/13/1997 | CA2229186A1 Process for separating selected components from multi-component natural gas streams |
| 03/12/1997 | EP0762062A2 Process and device for the separation of carbon dioxide |
| 03/12/1997 | EP0761938A2 Method and catalyst unit for treating diesel engine exhaust |
| 03/12/1997 | EP0761875A2 Titanium oxide-containing paper, corrugated board, and deodorizing element made therefrom |
| 03/12/1997 | EP0761293A1 Polyetherimide membrane |
| 03/12/1997 | EP0761291A1 Polymeric dope solution for use in the preparation of an integrally skinned asymmetric membrane |
| 03/12/1997 | EP0761289A2 Exhaust gas cleaner and method for cleaning exhaust gas |
| 03/12/1997 | EP0761288A1 Apparatus and process for cleaning gases containing halogenated compounds |
| 03/12/1997 | EP0761287A2 Process for recovering waste gases of a glass melting furnace |
| 03/12/1997 | EP0761286A2 A method for purificying exhaust gas of an internal combustion engine |
| 03/12/1997 | EP0761285A2 Process for purifying gases |
| 03/12/1997 | EP0761284A1 Modular ceramic oxygen generator |
| 03/12/1997 | EP0761282A2 Pressure swing adsorption apparatus |
| 03/12/1997 | EP0761281A1 Process for flue gas reduction from combustion processes |
| 03/12/1997 | EP0761239A1 Deodorizing method, deodorant, process for the preparation of deodorant, and deodorizing equipment |
| 03/12/1997 | EP0760919A1 Sanitizable slider diaphragm valve |