| 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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| 05/25/2000 | WO2000029729A1 METHOD FOR MONITORING NOx STORAGE CATALYTIC CONVERTERS AND EXHAUST-GAS PURIFICATION DEVICE FOR CARRYING OUT SAID METHOD |
| 05/25/2000 | WO2000029728A1 STAGED REDUCTANT INJECTION FOR IMPROVED NOx REDUCTION |
| 05/25/2000 | WO2000029727A1 PLASMA FUEL PROCESSING FOR NOx CONTROL OF LEAN BURN ENGINES |
| 05/25/2000 | WO2000029726A1 Catalyst and method for reducing exhaust gas emissions |
| 05/25/2000 | WO2000029605A1 Process for the production of hydrogen sulphide from elemental sulphur and use thereof in heavy metal recovery |
| 05/25/2000 | WO2000029232A1 Filter |
| 05/25/2000 | WO2000029095A1 Method for purifying fume contaminated by hydrogen chloride and heavy metals, rendering inert said heavy metals and upgrading said hydrogen chloride |
| 05/25/2000 | WO2000029093A1 Highly selective gas permeation |
| 05/25/2000 | WO2000028807A1 Pervaporation device and irrigation mat |
| 05/25/2000 | WO2000018810A3 Activated carbon filter |
| 05/25/2000 | WO2000001465A9 System and method for oxidizing toxic, flammable, and pyrophoric gases |
| 05/25/2000 | DE19853638A1 Carbon di:oxide supply apparatus for washing semiconductor devices, liquid crystals |
| 05/25/2000 | DE19852962A1 Nitrogen oxide(s) storage catalyst with latent heat thermal storage unit, is operated at high temperature promoting greatest efficiency but protected from excess by absorption of latent heat of fusion using mixed salts |
| 05/25/2000 | CA2319184A1 Filter |
| 05/24/2000 | EP1002767A2 Method for treating organic wastes |
| 05/24/2000 | EP1002763A1 Process and installation for treating a gas containing hydrogen sulfide and sulfur dioxide, including a by-products removing step |
| 05/24/2000 | EP1002565A1 Gas separation installation and use of such installation for gas production |
| 05/24/2000 | EP1001922A4 Method for recovering gas from hydrates |
| 05/24/2000 | EP1001922A1 Method for recovering gas from hydrates |
| 05/24/2000 | EP1001838A1 Absorbent composition for purifying gases which contain acidic components |
| 05/24/2000 | EP0874680B1 Plasma oxidation of an exhaust gas stream from chlorinating titanium-containing material |
| 05/24/2000 | EP0835160B1 Catalytic purification process and device for exhaust gas from a combustion system |
| 05/24/2000 | CN2379199Y Supporting tray type apparatus for collecting liquid and redistributing |
| 05/24/2000 | CN2379198Y Equipment for purifying high temp. flue gas |
| 05/24/2000 | CN1254329A CO2 removal from fluorocarbons by semipermeable membrane |
| 05/24/2000 | CN1253849A Ceramic material for making compact oxygen-permeable separation membrane and and its oxygen permeable membrane separator |
| 05/24/2000 | CN1253848A Method for treating industrial waste gas containing sulphur oxide |
| 05/24/2000 | CN1253847A Desulfurizer for refining gas and its preparation method |
| 05/24/2000 | CN1253846A Gas separation equipment and application of gas produced by said equipment |
| 05/23/2000 | US6066825 Methods and apparatus for low NOx emissions during the production of electricity from waste treatment systems |
| 05/23/2000 | US6066592 Gas separator |
| 05/23/2000 | US6066591 Reactive medium for purifying fluids |
| 05/23/2000 | US6066587 Catalyst for purifying exhaust gas |
| 05/23/2000 | US6066508 Treating a semiconductor integrated circuit wafer, as housed in a reaction furnace, in a hydrogen gas, discharging hydrogen gas form outside of the furnace, converting hydrogen into water by treating the gas with oxidation catalyst |
| 05/23/2000 | US6066308 Alumina agglomerates and process for the preparation thereof |
| 05/23/2000 | US6066307 Producing synthesis gas and hydrogen by passing a compressed and heated oxygen-containing gas mixture into a reactor having at least one solid electrolyte oxygen ion transport membrane to separate transported oxygen |
| 05/23/2000 | US6066304 Process for removing sulfur dioxide out of a gas |
| 05/23/2000 | US6066303 Apparatus and method for reducing NOx from exhaust gases produced by industrial processes |
| 05/23/2000 | US6066192 Method of treating or recovering gaseous hydrocarbon contained in waste gas |
| 05/23/2000 | US6065473 Non-contact gas dispenser and apparatus for use therewith |
| 05/19/2000 | CA2289913A1 Rotary valve system for two bed vacuum pressure swing absorption system |
| 05/18/2000 | WO2000028200A1 METHOD FOR DETERMINING THE NOx CRUDE EMISSION OF AN INTERNAL COMBUSTION ENGINE OPERATED WITH AN EXCESS OF AIR |
| 05/18/2000 | WO2000028196A1 Integrated apparatus for removing pollutants from a fluid stream in a lean-burn environment with heat recovery |
| 05/18/2000 | WO2000028195A1 Device and method for purifying spark ignition engine exhaust gases |
| 05/18/2000 | WO2000027951A1 Power generation system based on gasification of combustible material |
| 05/18/2000 | WO2000027727A1 Method and device for storing articles under controlled atmosphere |
| 05/18/2000 | WO2000027527A1 Preparation of nanocrystalline and dispersible supported metal catalysts |
| 05/18/2000 | WO2000027524A1 Catalyst body and method for reducing halogenated hydrocarbons |
| 05/18/2000 | WO2000027508A1 Method and system for purifying exhaust gases and exhaust gas purification catalyst for use therein and method for preparation thereof |
| 05/18/2000 | WO2000027507A1 Hydrogen separation membrane |
| 05/18/2000 | WO2000027506A1 Method for recovering water from air |
| 05/18/2000 | WO2000027505A1 Recovery of co2 and h2 from psa offgas in an h2 plant |
| 05/18/2000 | WO2000027504A1 Container for granular adsorbent for gas purification |
| 05/18/2000 | WO2000009445A3 Boehmitic aluminas, and high-temperature stabile and highly porous aluminum oxides in a pure phase which are obtained therefrom |
| 05/18/2000 | WO2000009259A3 Au/Fe2O3 CATALYST MATERIALS, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE |
| 05/18/2000 | WO2000007699A3 Method and device for removing nitrogen oxides from exhaust gases |
| 05/18/2000 | WO1999039814A3 Landfill gas treatment with propylene carbonate |
| 05/18/2000 | DE19949614A1 Filter module for filtering liquids and gases |
| 05/18/2000 | DE19852844A1 Unit for detecting and removing harmful oxidizable substance, e.g. carbon monoxide, in gaseous or liquid fuel uses oxidant showing change in marking property |
| 05/18/2000 | DE19852373A1 Removing carbon dioxide from i.c. engine exhaust gas comprises reacting carbon dioxide with water vapor to form hydrocarbon and oxygen, removing the hydrocarbon and feeding it to the engine |
| 05/18/2000 | DE19852240A1 Überwachungsverfahren für NOx-Speicherkatalysatoren und Abgasreinigungsvorrichtung zur Durchführung dieses Verfahrens Monitoring method for NOx storage catalysts, and exhaust gas purifying apparatus for performing this method |
| 05/18/2000 | DE19838327C1 Verfahren und Vorrichtung zum Entsorgen von im Abgas von Sterilisationskammern anfallendem Ethylenoxid-Gas Method and apparatus for disposing of waste gas accumulating in the sterilization chambers of ethylene oxide gas |
| 05/18/2000 | CA2350027A1 Integrated apparatus for removing pollutants from a fluid stream in a lean-burn environment with heat recovery |
| 05/18/2000 | CA2349608A1 Electric generating system by gasification of combustibles |
| 05/17/2000 | EP1001154A2 Internal combustion engine |
| 05/17/2000 | EP1000900A1 Catalytic conversion of ammonia |
| 05/17/2000 | EP1000653A2 Exhaust gas purifying apparatus |
| 05/17/2000 | EP1000652A1 PSA or VSA unit with simultaneous regulation of production flow and pressure |
| 05/17/2000 | EP1000351A1 Airborne contaminant indicator |
| 05/17/2000 | EP0999888A1 Filtering device |
| 05/17/2000 | EP0999878A1 Method for eliminating halogenated and non halogenated waste |
| 05/17/2000 | EP0922121B1 Process for reducing co and cos emissions from a fluidized bed reactor for chlorinating titanium containing material |
| 05/17/2000 | CN2378108Y Purifying device for cooking exhaust gas |
| 05/17/2000 | CN2378104Y Wet-type smoke prevention desulfuration dust collector |
| 05/17/2000 | CN1253595A Process and device for recovering raw materials from waste and residues |
| 05/17/2000 | CN1253540A Separation of CO2 from unsaturated fluorinated compounds by semipermeable membrane |
| 05/17/2000 | CN1253538A Reducing pollutant gases in gas mixtures from pyrotechnic reactions |
| 05/17/2000 | CN1253511A Autothermic reactor comprising oxygen ion conducting dense ceramic membrane and process using autothermic reactor for producing synthesis gas |
| 05/17/2000 | CN1253044A Disposal apparatus for organic matter |
| 05/17/2000 | CN1253030A PSA equipment for adopting valve with long but nonuniform working time |
| 05/17/2000 | CN1052430C Polyamine process for removing carbon dioxide and sulphide from gas |
| 05/16/2000 | US6063979 Bringing dioxins into contact with at least one treating chemical selected from the group consisting of amine compounds and ammonium compounds at a temperature lower than 300 degrees c. |
| 05/16/2000 | US6063439 Casing, rotary table, supply mechanism |
| 05/16/2000 | US6063357 Reacting sulphur dioxide and hydrogen sulphide gases in presence of at least one basic catalyst such as sodium salicylate soluble in the polyether solvent, passing the mixture and solvent in a packed bed column in cocurrent mode |
| 05/16/2000 | US6063353 Contacting krypton stream and xenone stream with a solid adsorbent containing phyllosilicates to remove fluoro and chloro hydrocarbons as impurities from krypton and xenone stream |
| 05/16/2000 | US6063352 Branching scrubbing liquid discharge from scrubber to an oxidation unit for oxidizing ammonium sulfite to ammonium sulfate, before returning to scrubbing liquid from oxidation unit, adding ammonium hydroxide to scrubbing unit |
| 05/16/2000 | US6063351 Catalyst for reducing nitrogn oxides using methane comprising a zeolite of mordenite structure having smaller pore size, being exchanged with palladium 2+ and cobalt 2+ ions |
| 05/16/2000 | US6063350 Monitoring the quality, tempearture and level of urea solution, generating sensor signals, comparing with reference values, generating control signals, thus controlling flow of urea, passing exhasut gas throgh selective catalytic reactor |
| 05/16/2000 | US6063349 Removal of hydrogen cyanide from synthesis gas |
| 05/16/2000 | US6063348 Flue gas scrubbing and waste heat recovery system |
| 05/16/2000 | US6063346 Process for scavenging hydrogen sulfide and mercaptan contaminants from a fluid |
| 05/16/2000 | US6063343 Apparatus for photocatalytic fluid purification |
| 05/16/2000 | US6063342 Exerts a low draft resistance, disturbs the gas flow to improve catalytic ability and has compact construction, applicable for denitrating the exhaust gas by reducing nitrogen oxides with ammonia as reducing agent |
| 05/16/2000 | US6063169 Control means for molecular sieve on-board oxygen generator |
| 05/16/2000 | US6063163 Removing water from a stream of wet natural gas which minimizes formation or iron sulfide scale within the contactor apparatus to maintain sufficient water removal capacity and to reduce operator cleanup and construction expenses. |
| 05/16/2000 | US6063162 Method of separating chlorine from a mixture of gases |
| 05/16/2000 | US6063161 Rotary multiport distributor valves to control the timing sequence of the psa cycle steps between the beds, with flow controls cooperating with the rotary distributor valves to control the volume rates of gas flows |
| 05/16/2000 | CA2261218C Catalyst for removal of nitrogen oxides and method for removal of nitrogen oxides by use of the catalyst |
| 05/16/2000 | CA2172323C Staged electrolyte membrane |
| 05/16/2000 | CA2167661C Nox adsorbent comprising mn-ti system surface-reformed titania carrier |