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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08/31/2000 | WO2000050743A1 Method and apparatus for using free radicals to reduce pollutants in the exhaust gases from the combustion of a fuel |
08/31/2000 | WO2000050169A1 Catalyst for removing nitrogen oxides and method for removing nitrogen oxides |
08/31/2000 | WO2000050156A1 Cross-flow filtration device with filtrate conduit network and method of making same |
08/31/2000 | WO2000050155A1 Method and apparatus for combining reactive gases while delaying reaction between same |
08/31/2000 | WO2000050154A1 Humidity swing adsorption process and apparatus |
08/31/2000 | WO2000050144A1 Chromatography devices and flow distributor arrangements used in chromatography devices |
08/31/2000 | WO2000013767A9 Fluid treatment elements, methods for cleaning fluid treatment elements and methods for treating fluids |
08/31/2000 | DE19908394A1 Katalysatormaterial und Verfahren zu seiner Herstellung Catalyst material and method for its preparation |
08/31/2000 | DE19908023A1 Verfahren und Element zur Speicherung von in einem Gas enthaltenen Stickoxiden The method and element for the storage of nitrogen oxides contained in a gas |
08/31/2000 | CA2366913A1 Chromatography devices and flow distributor arrangements used in chromatography devices |
08/30/2000 | EP1031708A1 Module for an exhaust gas system |
08/30/2000 | EP1031377A2 Catalytic material and method for its preparation |
08/30/2000 | EP1031370A1 Agent and process for treating an exhaust gas containing gaseous hydrides or organosilanes |
08/30/2000 | EP1031001A1 Dehumidifier system |
08/30/2000 | EP1030735A1 Gas storage carbon with enhanced thermal conductivity |
08/30/2000 | EP1030732A1 Support composition based on a cerium oxide, a zirconium oxide and a scandium or rare earth oxide and use for treating exhaust gas |
08/30/2000 | EP0785817B1 Storage and delivery system for gaseous compounds |
08/30/2000 | CN2393633Y Photocatalystically oxidating air purifier |
08/30/2000 | CN2393631Y Air sucking vortex desulfurizing dust collector |
08/30/2000 | CN2393611Y Declined-plate style liquid collecting and redisbuting device |
08/30/2000 | CN1265174A Gas purification device |
08/30/2000 | CN1265043A Method for eliminating halogenated and non halogenated waste |
08/30/2000 | CN1264611A Tail gas purifier with chemical solution for exhaustion tube of car and motorcycle |
08/30/2000 | CN1264610A Radial flow absorbing vessel |
08/30/2000 | CN1055873C Honeycombed body with only partial attachment to protective tube |
08/30/2000 | CN1055872C Removing carbon dioxide from mixed gas by compound activator |
08/29/2000 | US6112040 Exit-structure of ozone-exhaust duct incorporated in electrophotographic image-forming apparatus |
08/29/2000 | US6110862 A platinum group metal component dispersed on a refractory inorganic oxide support, comprising a high porosity support material having pore size distribution in which about 98% of pore volume of the pores having radius from 30-24 angstroms |
08/29/2000 | US6110860 Mixing the complexed metal oxide of copper and vanadium with an aqueous solution of the alkali metal sulfate, evaporating the mixture to dryness, and heat-treating the resultant mixed powder |
08/29/2000 | US6110533 Polymeric desiccant articles and process for their manufacture |
08/29/2000 | US6110436 Defluorination of a fluorinated compound |
08/29/2000 | US6110435 Method and device for nitric oxide reduction in exhaust fumes |
08/29/2000 | US6110372 Degrading petroleum pollutant comprising compound contained in crude or refined petroleum by treating petroleum pollutant with butane-utilizing bacteria in presence of butane substrate and oxygen |
08/29/2000 | US6110261 Chamber with drier |
08/29/2000 | US6110258 Methods for removal of water from gases using superheated zeolites |
08/29/2000 | US6110257 Low concentration gas delivery system utilizing sorbent-based gas storage and delivery system |
08/29/2000 | US6109289 Drain valve |
08/29/2000 | US6109024 Exhaust gas purification device for an internal combustion engine |
08/29/2000 | CA2160058C Process for decomposing ammonia in an off-gas |
08/29/2000 | CA2049022C Method and apparatus for acheiving high reaction rates in solid-gas reactor systems |
08/29/2000 | CA2047759C Process and apparatus for waste gas treatment by multi-stage electron beam irradiation |
08/24/2000 | WO2000049278A1 Reactor for plasma assisted gas processing |
08/24/2000 | WO2000048734A1 Deodorization catalyst for air-conditioner |
08/24/2000 | WO2000048733A1 Desulfurizing agent and method for desulfurization of hydrocarbon |
08/24/2000 | WO2000048717A1 Method for manufacturing a membrane |
08/24/2000 | WO2000048715A1 Method for simultaneously abating nitric oxides and nitrous oxides in gases containing them |
08/24/2000 | WO2000048714A1 Purificating agent for flue gas and incinerated ash and purificating method using the same |
08/24/2000 | WO2000048713A1 Method for treating dilute gaseous hydrogen carbide contained in waste gas and device for performing the method |
08/24/2000 | WO2000048712A1 Process for removing hydrogen sulfide from gases |
08/24/2000 | WO2000048711A1 Gas cooling device, gas treatment device, and boiler equipment |
08/24/2000 | WO2000048710A1 Gas treating agent, method for preparing same, and gas treating method using said agent |
08/24/2000 | WO2000048709A1 A method for removing and recovering co2 from exhaust gas |
08/24/2000 | WO2000048685A1 Method for destroying highly toxic gaseous substances and mainly military toxic substances |
08/24/2000 | DE19907671A1 Apparatus for providing a nitrogen rich atmosphere containing oxygen and/or hydrogen for use in tinted glass production comprises a selective gas permeable membrane |
08/24/2000 | DE19907117A1 Combined fan and filter unit for reducing concentrations of mercury amalgam and vapor atmospheres of dental treatment rooms, comprises local air extraction ventilation and filtration system |
08/24/2000 | DE19906344A1 Process for adding a reductant to an internal combustion engine exhaust gas containing nitrogen oxides uses a correction factor of the change of catalyst charge either from a performance graph or from sensors |
08/24/2000 | DE19851564C2 Verfahren zum Betreiben und Überprüfen eines NOx-Speicherreduktionskatalysators einer Mager-Brennkraftmaschine Method for operating and checking a NOx storage reduction catalyst, a lean burn engine |
08/23/2000 | EP1030395A2 Power generation system using a solid oxide fuel cell on the exhaust side of an engine |
08/23/2000 | EP1030350A1 System and method for producing and supplying highly clean dry air |
08/23/2000 | EP1030126A1 Dehumidification/humidification air supply apparatus |
08/23/2000 | EP1029910A1 Process for the removal of nitrogen contained in natural gas |
08/23/2000 | EP1029589A1 Nitrogen adsorbent and use thereof |
08/23/2000 | EP1029582A1 Mesoporous molecular sieves for absorbing nitrogen oxides in oxygen-rich engine exhaust gas |
08/23/2000 | EP1029581A1 Method for preventing scaling in wet-process waste gas treatment equipment |
08/23/2000 | EP1029580A1 Method for removing nitrogen oxides in exhaust gas |
08/23/2000 | EP1029579A1 Wet type flue gas desulfurization equipment |
08/23/2000 | EP1029578A1 Process and installation for recovery and/or purification of dinitrogen oxide contained in an exhaust gas |
08/23/2000 | EP1029577A2 Apparatus for producing oxygen enhanced gas from air |
08/23/2000 | EP1029201A1 Dehumidifier system |
08/23/2000 | EP1029200A1 Rotary oxidizer systems for control of restaurant emissions |
08/23/2000 | EP1029028A1 Hydrogen sulfide removal process |
08/23/2000 | EP1029015A1 Corrosion inhibitor for alkanolamine units |
08/23/2000 | EP1028800A1 Process and apparatus for removing metal carbonyls and moisture from a gas |
08/23/2000 | EP1028799A1 Process for abating nitrogen oxide emissions from a manufacturing stream |
08/23/2000 | EP1028798A1 Gas purification system with safety device and method for purifying gases |
08/23/2000 | EP1028797A1 Semiconductor manufacturing system with getter safety device |
08/23/2000 | EP1028796A2 Method and device for recovering gases |
08/23/2000 | EP1028795A1 Apparatus for removing contaminants from gaseous stream |
08/23/2000 | EP1028791A1 Batch-continuous countercurrent mass exchange process |
08/23/2000 | EP0824653B1 Effluent gas treatment |
08/23/2000 | EP0766752B1 Oxygen supply and removal apparatus |
08/23/2000 | CN2393004Y Cabinet-type kitchen cooking-fume purifying cover |
08/23/2000 | CN2392918Y Ozone purifying device for engine |
08/23/2000 | CN2392602Y Back-revolving gas-water separation integrated desulfurising-dusting apparatus of impact rotary spray type |
08/23/2000 | CN2392601Y Desulfurising-dusting apparatus |
08/23/2000 | CN2392600Y Comprehensive purifying machine for fume, dust and waste tail gas |
08/23/2000 | CN2392599Y Dry desulfurising denitridation dusting device |
08/23/2000 | CN2392598Y Double spiral-flow water-film desulfurising-dusting tower |
08/23/2000 | CN2392597Y Lifting-diaphragm desulfurising-dusting electric demisting tower |
08/23/2000 | CN2392595Y Compound electrostatic oil-fume purifying device |
08/23/2000 | CN2392594Y Pulse desulfurising dusting tower |
08/23/2000 | CN2392593Y Sprinkling type desulfurizing dust-removing apparatus |
08/23/2000 | CN1264345A Method and device for producing autonomous breathing gas and processing and provision of breathing gas for diver at extreme depths |
08/23/2000 | CN1264318A Removal of contaminants from gas streams in rayon production |
08/23/2000 | CN1264317A Method for ammonia production |
08/23/2000 | CN1263791A Mixing conducting cubic perofskite for ceramic ion transmission membrane |
08/23/2000 | CN1263789A Nitrogen oxide storage material and nitrogen oxide storage catalytic agent produced with it |
08/22/2000 | US6107353 Cyanide and ammonia removal from synthesis gas |
08/22/2000 | US6107240 As oxygen storage component; catalyst for the treatment of automotive engine exhaust exhibiting enhanced oxygen storage capacity |
08/22/2000 | US6107239 Heat resistant metallic oxide catalyst for reducing pollution emission |