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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07/27/2000 | CA2359661A1 A method for separating methane from natural gas using bisglycoluril derivatives |
07/27/2000 | CA2359044A1 System for neutralising polluting gases by pyrolysis |
07/26/2000 | EP1022254A1 Method and installation for the recycling of a residue of flue gas cleaning |
07/26/2000 | EP1022130A1 Laminate and its use as container |
07/26/2000 | EP1022056A1 Installation for treatment of fluids comprising multiple beds of particles supported by a separation grid |
07/26/2000 | EP1022048A1 Process and device for metering a reducing agent |
07/26/2000 | EP1022047A1 Process for the thermal decomposition of N2O |
07/26/2000 | EP1022046A1 Process for removing carbon dioxide, sulphur compounds, water and aromatic and higher aliphatic hydrocarbons from technical gases |
07/26/2000 | EP1022045A2 Multiple equalization pressure swing adsorption process. |
07/26/2000 | EP1022044A2 High pressure purge pressure swing adsorption process |
07/26/2000 | EP1022043A1 Chemical filter unit and gas purification system |
07/26/2000 | EP1021643A1 Method and apparatus for using free radicals to reduce pollutants in the exhaust gases from the combustion of a fuel |
07/26/2000 | EP1021375A1 System and method for photocatalytic treatment of contaminated media |
07/26/2000 | EP1021372A1 High efficiency process for recovering sulfur from h 2?s-bearing gas |
07/26/2000 | EP1021243A1 Corona discharge reactor |
07/26/2000 | EP1021239A1 Filter for gases |
07/26/2000 | EP1021238A1 Fluid separation system |
07/26/2000 | EP1021237A1 Fluid separation system |
07/26/2000 | EP1021236A1 Method for carrying out chemical reactions |
07/26/2000 | EP1021235A1 Separation of acid gas from natural gas |
07/26/2000 | EP1021234A1 Fluid separation system |
07/26/2000 | EP1021212A4 Photocatalytic air disinfection |
07/26/2000 | EP1021212A1 Photocatalytic air disinfection |
07/26/2000 | CN2388999Y Wet method double water curtain desulfurating apparatus |
07/26/2000 | CN2388998Y Lead smog purifier |
07/26/2000 | CN2388997Y Mixed gas absorption dehydrogenating apparatus |
07/26/2000 | CN2388995Y Composite wet type dedusting devulcanizer |
07/26/2000 | CN1261056A Fluidizing photocatalytic process for degradation of organic substances |
07/26/2000 | CN1261008A Water absorbing agent and preparing method thereof |
07/25/2000 | US6093850 Process for the synthesis of urea and equipment therefor |
07/25/2000 | US6093380 Providing a safe and economical supply of ammonia, from a urea feedstock, when ammonia is desired or necessary to initiate, cause and/or supplement the removal of air pollutants from an exhaust gas stream; pollution control |
07/25/2000 | US6093379 Purification of gases |
07/25/2000 | US6093378 Four-way diesel exhaust catalyst and method of use |
07/25/2000 | US6093377 Removal of nitrogen oxides from exhaust gas using catalyst |
07/25/2000 | US6093288 Desulfurizing method and apparatus by irradiation of electron beam |
07/25/2000 | US6093238 System for supplying air to aircraft pressurized cabins |
07/25/2000 | US6093237 Stack filter assembly and methods |
07/25/2000 | US6093236 Porous pellet adsorbents fabricated from nanocrystals |
07/25/2000 | US6093223 Aggregates of ceric oxide crystallites and reduction of vehicular emissions therewith |
07/25/2000 | US6093095 Method and apparatus for exhausting gases from processing tank |
07/25/2000 | US6092391 Helium recycling for optical fiber manufacturing |
07/25/2000 | US6092367 Method and apparatus for metering the introduction of a reducing agent into the exhaust-gas or exhaust-air stream of a combustion installation |
07/25/2000 | CA2007406C Improved self-contained air drying unit |
07/20/2000 | WO2000042620A1 Electron beam projection reaction device |
07/20/2000 | WO2000042302A1 Method and arrangement for purifying an exhaust gas stream of a spark ignition engine flowing in an exhaust gas line |
07/20/2000 | WO2000042096A1 Metal complexes immobilized in porous organic hosts |
07/20/2000 | WO2000041968A1 Process for the recovery of sulphur from lead-acid battery scrap |
07/20/2000 | WO2000041966A1 Reclaiming of purge gas from hydrotreaters and hydrocrackers |
07/20/2000 | WO2000041799A1 Thermally limited selective oxidation methods and apparatus |
07/20/2000 | WO2000041798A1 Process for the benign direct fixation and conversion of nitrogen oxides |
07/20/2000 | WO2000041797A1 Method and apparatus for desulfurization of exhaust gas |
07/20/2000 | WO2000041796A1 Gas purifying agent, its method of production and its use |
07/20/2000 | WO2000041795A1 Sorbent filter for hard disk drives |
07/20/2000 | WO2000020106A3 Modified porous metal surfaces |
07/20/2000 | WO2000017493A3 Exhaust gas cleaning system and method for catalytically reducing the content of pollutants in the exhaust gas of an internal combustion system |
07/20/2000 | WO2000016878A3 Solid alkali and alkaline-earth metal hydroxides as scavenging materials for cyanide gas |
07/20/2000 | WO1998049054A9 Method and device for producing autonomous breathing gas and processing and provision of breathing gas for a diver at extreme depths |
07/20/2000 | DE19902824A1 Mixed catalyst use e.g. in exhaust gas treatment consists of an element or oxide of group IV b, group V band group VII b |
07/20/2000 | DE19901309A1 Verfahren zur Reinigung reduzierend wirkender Gase Methods for cleaning up reducing effect gases |
07/20/2000 | DE19901049A1 Mittel zur Reinigung von Gasen und Abgasen, Verfahren zur Herstellung dieser Mittel und ihre Verwendung Means for purifying gases and waste gases, to processes for preparing these compositions and their use |
07/20/2000 | CA2346051A1 Reclaiming of purge gas from hydrotreaters and hydrocrackers |
07/19/2000 | EP1020621A2 Gas duct comprising ceramic honeycomb structure |
07/19/2000 | EP1020564A1 Road provided with air cleaning function and method of cleaning polluted air on road |
07/19/2000 | EP1020419A1 Process for purifying reduction gases |
07/19/2000 | EP1020405A2 Alumina-based oxide material useful as NOx absorbent |
07/19/2000 | EP1020223A2 Porous material and production process thereof, catalyst comprising the porous material and process for purifying exhaust gas |
07/19/2000 | EP1020217A2 Exhaust gas cleaning method, exhaust gas cleaning catalyst and exhaust gas cleaning device for internal combustion engine |
07/19/2000 | EP1020216A1 Catalyst for purifying exhaust gas |
07/19/2000 | EP1020215A2 Method and apparatus for cleaning exhaust gas by alpha-decay |
07/19/2000 | EP1019617A1 Honeycomb body structure with supporting sections |
07/19/2000 | EP1019457A1 Desiccant deposit |
07/19/2000 | EP1019321A1 Methods for the production of ammonia from urea and uses thereof |
07/19/2000 | EP1019178A1 Dehumidifying pouch |
07/19/2000 | EP1019177A2 Base metal catalyst for small-size motors |
07/19/2000 | EP1019169A1 Device and process for dehydration of water absorbent |
07/19/2000 | EP0812339B1 Strongly basic anion-exchanging moulded bodies and a method of manufacturing the same |
07/19/2000 | EP0643622B1 Catalyst for purifying diesel exhaust gases and method for its manufacture |
07/19/2000 | EP0419507B1 Dry exhaust gas conditioning |
07/19/2000 | CN2387955Y Drive mechanism for impeller of driving pipeline type dust-removing device |
07/19/2000 | CN2387954Y Wet dust-removing devulcanizer |
07/19/2000 | CN2387953Y Circulation water dust-removing devulcanizer |
07/19/2000 | CN2387822Y Drinking fountain with combined air purifier |
07/19/2000 | CN1260860A Honeycomb body with cross-sectional area framed in interior, particularly for small power motors |
07/19/2000 | CN1260735A Four-way diesel exhaust catalyst and method of use |
07/19/2000 | CN1260731A Air drying arrangement |
07/19/2000 | CN1260348A Hydrolysis subsequent procedure in synthesis of glyphosphonic acid |
07/19/2000 | CN1260232A Method for producing functional film, functional base plate and titanium oxide film |
07/19/2000 | CN1260231A Purification for gas |
07/18/2000 | US6090744 Comprising cerium oxide supporting palladium and a compound oxide of cerium and praseodymium as promoter; low temperature activity and high temperature nitrogen oxide(nox) removal |
07/18/2000 | US6090743 Finely divided particulates of at least one rare earth compound and, optionally, group iva, viia, viii, ib, iib, iiib or ivb compound(s); dispersible in water; low nitrate levels; use as exhaust system catalysts |
07/18/2000 | US6090736 Finely divided titanium dioxide particles having a porous calcium phosphate coating, with an anionic surfactant on the interface between the coating and particle; use for removing malodors, decomposition of pollutants |
07/18/2000 | US6090477 Carbon fiber carbon matrix hybrid adsorbent monolith with enhanced thermal conductivity for storing and releasing gas through adsorption and desorption |
07/18/2000 | US6090357 Flue gas scrubbing method |
07/18/2000 | US6090355 Method and device for cleaning flue gases from furnaces |
07/18/2000 | US6090265 Separation of oxygen from oxygen-containing gas |
07/18/2000 | US6090188 Air intake apparatus of chemical vapor deposition equipment and method for removing ozone using the same |
07/18/2000 | US6090186 By contacting with carbon dioxide (co2) nucleated water under conditions of clathrate formation; co2 is absorbed and fixed as co2 clathrate slurry; separating and decomposing slurry to produce co2 gas and co2 nucleated water; low energy |
07/18/2000 | US6090185 Process for gas separation by adsorption with variable production rate |
07/18/2000 | US6090184 Filter system |
07/18/2000 | US6090183 Method and apparatus for processing exhaust gas produced during manufacturing of semi-conductor devices |