| 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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| 08/12/1999 | DE19746337A1 Incinerator gas effluent pipe |
| 08/11/1999 | EP0935110A1 Combined process and facility for producing compressed air and at least one gas from air |
| 08/11/1999 | EP0935055A2 Device for purifying oxygen rich exhaust gas |
| 08/11/1999 | EP0934774A2 Method of manufacturing catalyst |
| 08/11/1999 | EP0934770A1 Catalyst and process for the production thereof |
| 08/11/1999 | EP0934518A1 Acoustic gas concentration sensor and control for oxygen concentrator |
| 08/11/1999 | EP0934112A1 Reduction of no x emissions from rotary cement kilns by selective noncatalytic reduction |
| 08/11/1999 | EP0840708B1 Method for purifying hydrogen based gas mixtures using a lithium exchanged x zeolite |
| 08/11/1999 | EP0762925B1 DeNOx CATALYST FOR REDUCING THE NOx CONCENTRATION IN A STREAM OF FLUID, AND METHOD OF MANUFACTURING THE CATALYST |
| 08/11/1999 | CN2332470Y Air oil and water separating/drying tower |
| 08/11/1999 | CN2332469Y High performance liquid distributor of packed tower |
| 08/11/1999 | CN2332468Y Fume and smoke purifying appts. |
| 08/11/1999 | CN2332465Y Integral spraying dusting and desulphrizing appts. |
| 08/11/1999 | CN1225439A Twin tower air dryer |
| 08/11/1999 | CN1225383A Prepn. and application art for aluminium-magnesium series sulfur-fixation agent |
| 08/11/1999 | CN1225290A Flue gas treating process |
| 08/11/1999 | CN1225289A High sulfur capacity maceration active carbon used as dry method desulfurizer |
| 08/11/1999 | CN1044599C Method for removing trace impurity of carbon monoxide from gas mixture |
| 08/10/1999 | US5936004 Strongly basic anion-exchanging molded bodies and a method of manufacturing the same |
| 08/10/1999 | US5935897 Hydrogenation, oxidation, dehydrogenation catalysts |
| 08/10/1999 | US5935679 High temperature electromagnetic radiation absorbent material and method for manufacturing the same |
| 08/10/1999 | US5935646 Depositing an inorganic-organic polymer hybird having at least one organic constituent and inorganic constituent, on a porous substrate and removing at least a portion of the organic constituent forming a porous film; small pore size |
| 08/10/1999 | US5935552 Crystalline intergrowth molecular sieves |
| 08/10/1999 | US5935547 Process for treating gas containing hydrogen sulfide and sulphur dioxide, comprising a step for depleting the recycled solvent in sulphur |
| 08/10/1999 | US5935540 Cleaning process for harmful gas |
| 08/10/1999 | US5935539 Feeding to combusting exhaust gas a mixture comprising a solid peroxide compound and at least one compound selected from the group consisting of alkali metal carbonates, alkali metal bicarbonates, heating to interact with the gas |
| 08/10/1999 | US5935538 Sulfur dioxide contained in flue gas along with fly-ash particles is photocatalytically converted into sulfur trioxide; using sulfur trioxide produced to condition fly-ash; in-situ process without injecting sulfur trioxide |
| 08/10/1999 | US5935533 Hermetic sealed composite |
| 08/10/1999 | US5935530 Exhaust gas catalytic converter for a diesel engine |
| 08/10/1999 | US5935529 Catalytic exhaust system comprising two-stage catalysts to reduce nitrogen oxides, sulfur oxides, carbon monoxide from combustion apparatuses, gasoline engines and diesel engines |
| 08/10/1999 | US5935525 Air treatment method and apparatus for reduction of V.O.C.s, NOx, and CO in an air stream |
| 08/10/1999 | US5935305 Storage and delivery system for gaseous compounds |
| 08/10/1999 | US5935304 Calcium chloride and modified starch. |
| 08/10/1999 | US5935299 For removing flue gas from incinerator which is structuredto recirculate purified gas as the shield air for insulating slurry spraying nozzle from hot gas without using additional blower to introduce external air |
| 08/10/1999 | US5935298 Solid electrolyte ionic conductor oxygen production with steam purge |
| 08/10/1999 | US5935297 Pressure vacuum swing adsorption of oxygen from air;adsorption, desorption |
| 08/10/1999 | US5935283 Clog-resistant entry structure for introducing a particulate solids-containing and/or solids-forming gas stream to a gas processing system |
| 08/10/1999 | US5934072 Exhaust gas purifying device for engine |
| 08/10/1999 | US5934071 For an automotive vehicle |
| 08/10/1999 | CA2147059C Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation |
| 08/10/1999 | CA2115305C Process for synthesizing zirconium and cerium mixed oxides compositions; compositions thus obtained and use thereof |
| 08/10/1999 | CA2115304C Process for preparing zirconium and cerium mixed oxides compositions |
| 08/10/1999 | CA2092029C Extracting organic compounds from aqueous solutions |
| 08/05/1999 | WO1999039101A1 Apparatus and method for continuously disposing of condensate in a fluid compressor system |
| 08/05/1999 | WO1999038800A1 Method for purifying a gas consisting of acid compounds |
| 08/05/1999 | WO1999038624A1 Raw refuse disposal facility |
| 08/05/1999 | WO1999038603A1 Plasma assisted processing of gas |
| 08/05/1999 | WO1999038602A1 Atmospheric oxygen enriching device |
| 08/05/1999 | WO1999022186A8 Method of refrigeration purification and power generation of industrial waste gas and apparatus therefor |
| 08/05/1999 | DE19828807A1 Catalytic after-burning of low-combustible exhaust gases with rapid warm up and self-supporting combustion |
| 08/05/1999 | DE19808098C1 Reduction of nitrogen oxides content in exhaust gases to meet future low temperature conversion regulations |
| 08/05/1999 | DE19807216C1 Method of filling a vehicle tank with reduction medium operated exhaust-gas cleaning systems |
| 08/05/1999 | DE19804213A1 Katalytische Abgasreinigungseinrichtung und zugehörige Ausgleichsschicht, insbesondere für Kraftfahrzeuge Catalytic exhaust gas purification device and associated compensating layer, in particular for motor vehicles |
| 08/05/1999 | DE19803373A1 Transition metal oxide catalyst for gas phase oxidation of halohydrocarbons |
| 08/04/1999 | EP0933516A2 Gasification power generation process and equipment |
| 08/04/1999 | EP0933331A2 Evaporative concentration apparatus for waste water |
| 08/04/1999 | EP0933131A1 Metal thin film for metal catalyst carrier and metal catalyst converter employing the metal thin film |
| 08/04/1999 | EP0933127A1 Solid chloride absorbent |
| 08/04/1999 | EP0933121A1 Process for biological treatment of volatile organic compounds in gas emissions |
| 08/04/1999 | EP0933120A1 Exhaust gas treatment installation |
| 08/04/1999 | EP0933119A1 Agent, process and apparatus for gas treatment |
| 08/04/1999 | EP0933118A1 Twin tower air dryer |
| 08/04/1999 | EP0933117A1 Shuttle valve for twin tower air dryer |
| 08/04/1999 | EP0933116A1 Means for removing odor produced by livestock |
| 08/04/1999 | EP0932443A1 Fluid reactor with catalyst on floating tubesheet |
| 08/04/1999 | EP0932440A1 METHOD AND DEVICE FOR SELECTIVE CATALYTIC NOx REDUCTION |
| 08/04/1999 | EP0932439A1 Closed-loop feedback control for oxygen concentrator |
| 08/04/1999 | EP0847303B1 Sorptive articles |
| 08/04/1999 | EP0799141B1 A filtration device using absorption for the removal of gas phase contaminants |
| 08/04/1999 | EP0697914B1 A catalytic system and its use |
| 08/04/1999 | CN1225037A Heat exchange device and method of catalytically treating the atmosphere |
| 08/04/1999 | CN1225036A Method for the adsorptive separation of air |
| 08/04/1999 | CN1225035A Method and apparatus for treating gas by irradiation of electron beam |
| 08/04/1999 | CN1224821A Method and apparatus for dehumidifying air |
| 08/04/1999 | CN1224796A Automobile tail gas purifying silencer |
| 08/04/1999 | CN1224697A Evaporative concentration apparatus for waste water |
| 08/04/1999 | CN1224638A Metal support for exhaust gas purifying catalyst |
| 08/04/1999 | CN1224637A PSA process using adsorbent with heterogeneous properties of capacity and/or selectivity |
| 08/04/1999 | CN1224633A Exhaust gas desulfurization process for fluidized incinerator |
| 08/04/1999 | CN1044447C Adsorption process and unit for the production of a gas by separation of a gaseous mixture |
| 08/03/1999 | US5933702 Photocatalytic air disinfection |
| 08/03/1999 | US5932181 Desulfurization unit, reformer and pressure swing absorptor |
| 08/03/1999 | US5932179 Desulfurizing, denitrating; reduction in dust concentrationat discharge aperture |
| 08/03/1999 | US5932168 Methods for making ecologically compatible water-based mullite sols and mullite compositions |
| 08/03/1999 | US5931987 Apparatus and methods for gas extraction |
| 08/03/1999 | US5931980 Installation for the treatment of at least one fluid, by passage through two adjacent masses of material |
| 08/03/1999 | US5931022 Air purification process with thermal regeneration |
| 08/03/1999 | US5931016 Air conditioning system having multiple energy regeneration capabilities |
| 08/03/1999 | US5930910 Purge tube with flapper valve for desiccant containing air drier |
| 08/03/1999 | CA2051120C Incinerator for complete oxidation of impurities in a gas stream |
| 08/03/1999 | CA2021692C Reactive bed plasma air purification |
| 08/03/1999 | CA1340693C Method for catalyzing fuel for powering internal combustion engines |
| 07/29/1999 | WO1999037897A1 Catalytic gas treatment device |
| 07/29/1999 | WO1999037896A1 Process for producing an encased honeycombed body |
| 07/29/1999 | WO1999037741A1 Production of low sulfur syngas from natural gas with c4+/c5+ hydrocarbon recovery |
| 07/29/1999 | WO1999037740A1 Very low sulfur gas feeds for sulfur sensitive syngas and hydrocarbon synthesis processes |
| 07/29/1999 | WO1999037656A1 Silica gel incorporating polyazacycloalkane structural units |
| 07/29/1999 | WO1999037433A1 Method for introducing solder into a system |
| 07/29/1999 | WO1999037432A1 Method for introducing solder into a system |
| 07/29/1999 | WO1999037389A1 Catalysts for the selective oxidation of hydrogen sulfide to sulfur |