| 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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| 01/27/1999 | EP0892675A1 Regenerable solid amine sorbent |
| 01/27/1999 | EP0892668A1 Arrangement for decomposition of nitrogen oxides in a gas stream and the use thereof |
| 01/27/1999 | EP0892667A1 Process and device in so-called biofilters, and device for moistening same |
| 01/27/1999 | EP0821621A4 Storage of hydrogen in layered nanostructures |
| 01/27/1999 | EP0731726B1 Method for cleaning gases containing hardly soluble organic pollutants |
| 01/27/1999 | EP0642472B1 Process for removing sulphur compounds from water |
| 01/27/1999 | CN2305242Y Wet composite smoke purifier for boiler |
| 01/27/1999 | CN1206450A Method and apparatus for cleaning exhaust gas and reducing noise by using high voltage electric field |
| 01/27/1999 | CN1206070A Exhaust gas cleaning apparatus and method for internal combustion engine |
| 01/27/1999 | CN1206038A Method of purifying gas |
| 01/27/1999 | CN1206020A Guanulated gelatinized silica-alumina product and its production process |
| 01/27/1999 | CN1205913A Flue gas treating system and process |
| 01/27/1999 | CN1205912A Automatic water level controller for vortical boiler fume purifier |
| 01/27/1999 | CN1205911A Integrated solid electrolyte ionic conductor separator-cooler |
| 01/27/1999 | CN1205910A PSA process and apparatus for separation of gaseous mixture |
| 01/27/1999 | CN1205909A Process and plant for separation of air by adsorption |
| 01/27/1999 | CN1041805C Coating dispersion for exhaust gas catalysts |
| 01/27/1999 | CN1041803C Device for drying gas |
| 01/26/1999 | US5863855 Two layered structure, upper layer containing atleast one component selected from silica, alumina, zirconia, titania, zsm-5, silicates and metallosilicates, second layer contains titania as main component; uses catalytical hydrogenation |
| 01/26/1999 | US5863513 Reacting oxygen separated from air with hydrogen sulfide in a furnace to form sulfur dioxde and water vapors, reacting formed sulfur dioxide with hydrogen sulfide to form hot gas stream containing sulfur, condensing sulfur with nitrogen |
| 01/26/1999 | US5863508 Catalytic reactor system |
| 01/26/1999 | US5863413 Supplying remotely generated hydroxy radicals to pre- or postcombustion gas flows for oxidation of exhaust gases within catalytic converter |
| 01/26/1999 | US5863318 Absorption dryer |
| 01/26/1999 | US5863316 Recirculation of part of the scrubbed gas back through the scrubber, thereby re-scrubbing the gas now mixed with fresh fumes from the process vessel to result in high mixture concentration for cleaning efficiency |
| 01/26/1999 | US5863315 N-paraffins are adsorbed at high pressure and desorbed at a lower pressure by means of pressure reduction combined with stripping with gas stream rich in isoparaffins |
| 01/26/1999 | US5862819 For promoting gas/liquid mass transfer |
| 01/26/1999 | CA2130861C Process for the production of alkene polymers |
| 01/26/1999 | CA2117146C Fgd performance enhancement by hydroclone |
| 01/26/1999 | CA2034657C Filter dryer |
| 01/25/1999 | CA2243862A1 Regulation of a psa process |
| 01/23/1999 | CA2243389A1 Process for the preparation of a granular type a zeolite containing binder and exchanged with lithium ions and divalent ions and its use for the adsorptive separation of air |
| 01/21/1999 | WO1999002986A1 Airborne contaminant indicator |
| 01/21/1999 | WO1999002825A1 Tank for a vehicle with a reduction-agent-operated exhaust fume purification system |
| 01/21/1999 | WO1999002263A1 Monolith |
| 01/21/1999 | WO1999002262A1 Denitration catalyst, process for preparing the same, and exhaust gas purification method |
| 01/21/1999 | WO1999002258A1 Selective catalytic reduction for the removal of nitrogen oxides and catalyst body thereof |
| 01/21/1999 | WO1999002244A1 Composition and process for the selective purification of gaz streams based on aqueous solutions of alkanolamines |
| 01/21/1999 | WO1999002243A1 SIMULTANEOUS MERCURY, SO2, AND NOx CONTROL BY ADSORPTION ON ACTIVATED CARBON |
| 01/21/1999 | WO1999002242A1 Adsorption apparatus and methods |
| 01/21/1999 | WO1999002240A1 Gas-liquid separator |
| 01/21/1999 | DE19731926C1 Abgasreinigungsanlage für einen Dieselmotor Emission control system for a diesel engine |
| 01/21/1999 | DE19730936A1 Coating medium used as wood varnish |
| 01/21/1999 | DE19730909A1 Decontamination of flue gas, particularly from refuse incinerators |
| 01/21/1999 | DE19730636A1 Valve controlling regeneration interval of air dryer |
| 01/21/1999 | DE19730510A1 Sulfur@ recovery in high yield from hydrogen sulfide- and sulfur di:oxide-containing gas |
| 01/21/1999 | DE19730462A1 Removing halogenated aromatic hydrocarbons from waste gas |
| 01/21/1999 | DE19730282A1 Catalytic purification for deodorisation of waste gas containing trace impurities |
| 01/21/1999 | DE19730228A1 Removing pollutant gas from combustion plant exhaust gas |
| 01/21/1999 | DE19730082A1 Exhaust gas catalyst |
| 01/21/1999 | CA2294253A1 Airborne contaminant indicator |
| 01/20/1999 | EP0892208A1 Means for improving the diffusion in a sorbent bed of a gas storage and dispensing system |
| 01/20/1999 | EP0892163A2 Throttling individual cylinders while recirculating exhaust gas |
| 01/20/1999 | EP0892159A2 Exhaust gas cleaning apparatus and method for internal combustion engine |
| 01/20/1999 | EP0892158A2 Method and device to monitor the desulphurization of NOx storage catalytic converters |
| 01/20/1999 | EP0891948A1 Aluminium oxide containing solid of high specific surface |
| 01/20/1999 | EP0891809A1 Adsorbent |
| 01/20/1999 | EP0891806A2 Process and apparatus for regenerating a sulphur-trap |
| 01/20/1999 | EP0891805A2 Process for removing SO2 from exhaust gases |
| 01/20/1999 | EP0891804A2 Device for removing SO2 from exhaust gases and preparation of an ammonium sulfate solution |
| 01/20/1999 | EP0891803A2 A gas dryer |
| 01/20/1999 | EP0891802A2 Assembly and method for loading particles into a vessel |
| 01/20/1999 | EP0891473A1 AMMONIA INJECTION IN NOx CONTROL |
| 01/20/1999 | EP0891220A1 Methods of control of nitrogen oxide and hydrocarbon emissions from small engines |
| 01/20/1999 | EP0891219A1 Device for discharging and distributing an absorbent material in a flue gas duct |
| 01/20/1999 | EP0712377B1 PROCESS AND APPARATUS FOR ENHANCING DISTRIBUTION OF NOx-REDUCING CHEMICALS IN A HIGH-SOLIDS ENVIRONMENT |
| 01/20/1999 | CN2304461Y Two stage separate absorption tower for separating air to obtain richened nitrogen |
| 01/20/1999 | CN1205652A Engine exhaust treatment appts. and method of use |
| 01/20/1999 | CN1205651A Zeolites for adsorption and oxidation of hydrocarbons in diesel engine exhaust gases |
| 01/20/1999 | CN1205650A Filter or catalytic-converter device |
| 01/20/1999 | CN1205305A Appts. and method of secondary absorption of air for preparing rich N |
| 01/20/1999 | CN1205240A Solid electrolyte ionic conductor reactor disign |
| 01/19/1999 | US5861303 Biofiltration apparatus and method with chemical pre-treatment of contaminated air |
| 01/19/1999 | US5861205 NOx -cleaning paving block |
| 01/19/1999 | US5861123 Decontamination of liquids and gases in channels |
| 01/19/1999 | US5861099 Separating sulfur from a suspension by filtration to form a filter cake; removal of sulfur from exhaust gases |
| 01/19/1999 | US5861096 Odor Control In Industrial Lagoons |
| 01/19/1999 | US5861053 Solid material collector with detector |
| 01/19/1999 | US5861051 Process for removing carbon dioxide from gas mixture |
| 01/19/1999 | US5861050 Recovery of fuel by adsorption and collection |
| 01/19/1999 | US5861049 Chlorine separation process combining condensation, membrane separation and flash evaporation |
| 01/19/1999 | US5860476 Method and apparatus for separating a well stream |
| 01/19/1999 | US5860359 Gas-permselective gas pump and warmer for using same |
| 01/19/1999 | CA2205493C Method for production of sodium bicarbonate, sodium carbonate and ammonium sulfate from sodium sulfate |
| 01/19/1999 | CA2152360C Desiccant-coated substrate and method of manufacture |
| 01/19/1999 | CA2106349C O2 vsa process with low o2 capacity adsorbents |
| 01/19/1999 | CA2105992C Random packing element and method |
| 01/19/1999 | CA2102775C Extended vacuum swing adsorption process |
| 01/19/1999 | CA2035701C Active liquid distributor containing, packed column |
| 01/19/1999 | CA1340318C Catalytic composition for the selective reduction of nitrogen oxides in oxygenated gas effluents, process for the cleanup of said effluents |
| 01/18/1999 | CA2211564A1 Process and device for treating air polluted by volatile organic solvents |
| 01/18/1999 | CA2210849A1 03 aspirator |
| 01/14/1999 | WO1999001646A1 Exhaust gas conduction system and method for purifying exhaust gases from an excess air-operated internal combustion engine |
| 01/14/1999 | WO1999001217A1 Catalyst for selective oxidation of carbon monoxide and method using the same |
| 01/14/1999 | WO1999001216A1 Method for treating gases to reduce nitrogen oxide emissions using a catalytic composition based on silica and titanium oxide |
| 01/14/1999 | WO1999001205A1 METHOD AND DEVICE FOR SELECTIVE CATALYTIC NOx REDUCTION |
| 01/14/1999 | WO1999001204A1 Method for catalytic reduction of nitric oxides |
| 01/14/1999 | WO1999001203A1 Method for producing fine-grained catalysts from natural zeolite |
| 01/14/1999 | WO1999001202A1 High frequency rotary pressure swing adsorption apparatus |
| 01/14/1999 | WO1999001201A1 Air-cleaning filtre, method of producing the same, and high-level cleaning device |
| 01/14/1999 | WO1999001194A1 Removing a gaseous component from a fluid |