| 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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| 11/04/2009 | EP1663455B1 Method for removing ammonia and dust from a waste gas that results during the production of urea |
| 11/04/2009 | CN101569834A Enhancement of conventional scr and sncr processes with ammonia destruction catalyst |
| 11/03/2009 | US7613561 Measurement of NO and NO2 for control of selective catalytic reduction |
| 11/03/2009 | US7611793 Fuel cell system, hydrogen gas supply unit, and method of controlling fuel cell system |
| 11/03/2009 | US7611686 Materials purification by treatment with hydrogen-based plasma |
| 11/03/2009 | US7611685 Method for hydrogen sulphide and/or mercaptans decomposition |
| 11/03/2009 | US7611684 Oxidative scrubbing of water insoluble, waste gases from semiconductor processing; oxidation-reduction potential probe measures the oxidation-reduction potential of the scrubbing fluid and adds the oxidizer as needed; a pH probe measures the acidic pH of the scrubbing fluid and adds a base as needed |
| 11/03/2009 | US7611681 consumption of regenerating gas is reduced, without having to take account of the danger of a poisoning of the SCONOx catalyst by SO2; gas inlet is located between the SCOSOx catalyst and the SCONOx catalyst; regenerating gas is recycled |
| 11/03/2009 | US7611680 A diesel engine exhaust treatment system composed of an alumina-supported catalyst with platinum particles in its pores and promoted with bismuth, and a particulate filter; bismuth promotion improves CO oxidation performance; controlling NO conversion rate by varying the amount of bismuth added |
| 11/03/2009 | US7611623 Use in separation processes of hydrocarbon currents containing light olefins such as from methanol to olefins process; use of Zeolite ITQ-29, which is highly hydrophobic, the efficiency of which in separation processes is not reduced by adsorption of water; separating linear from branched olefins |
| 11/03/2009 | US7611568 Liquid-gas separator for direct liquid feed fuel cell |
| 11/03/2009 | US7611566 Direct gas recirculation heater for optimal desorption of gases in cryogenic gas storage containers |
| 11/03/2009 | US7611565 Hydrogen separation/purification palladium membrane on a diffusion barrier layer of alumina made by sintering microparticles of an alloy of chromium/aluminum/iron to form a porous support substrate coated with alumina (incapable of hydrogenreduction); minimal thickness of membrane; cost efficiency |
| 11/03/2009 | US7611564 Recovery of n-propyl bromide emissions |
| 11/03/2009 | US7611561 Construction designed to channel flow into front, rear and two sides of the filter block and out two side exit holes into a core centerline flow; sliding supports for the filter block; support to accommodate dissimilar thermal expansion; efficient flow through and reduced back pressure; durability |
| 11/03/2009 | US7611557 Reversed pressure relief valve |
| 11/03/2009 | US7610904 Hydrocarbon adsorber for air induction systems |
| 11/03/2009 | US7610753 Exhaust gas purification apparatus for internal combustion engine and method thereof |
| 11/03/2009 | CA2543983C Design and operation methods for pressure swing adsorption systems |
| 11/03/2009 | CA2464269C Method and apparatus for scrubbing gases, using mixing vanes |
| 11/03/2009 | CA2345528C Improved cold gas-dynamic spraying process |
| 10/29/2009 | WO2009132031A2 Hydrogen sulfide conversion to hydrogen |
| 10/29/2009 | WO2009131782A1 A process for removing water from a gas mixture containing a reactive monomer using pressure swing adsorption |
| 10/29/2009 | WO2009131118A1 Composite oxide for catalyst for exhaust gas purification, process for producing the same, coating composition for catalyst for exhaust gas purification, and filter for diesel exhaust gas purification |
| 10/29/2009 | WO2009131080A1 Exhaust purifying device for internal combustion engine |
| 10/29/2009 | WO2009131071A1 Apparatus for checking reducing agent feeder |
| 10/29/2009 | WO2009130934A1 Slurry for produciton of denitration catalyst, process for production of the slurry, process for production of denitration catalyst by using the slurry, and denitration catalyst produced thereby |
| 10/29/2009 | WO2009130885A1 Humidity controlling system |
| 10/29/2009 | WO2009130869A1 Oxidation catalyst and oxidation catalyst device for exhaust gas purification |
| 10/29/2009 | WO2009130815A1 System for treating discharge gas and method of removing mercury from discharge gas |
| 10/29/2009 | WO2009130436A1 Method and apparatus for cooling a flow of gas |
| 10/29/2009 | WO2009130251A2 Gas adsorbent |
| 10/29/2009 | WO2009130202A2 Composition containing zirconium, cerium and yttrium oxides having a high reducibility, method for preparing same and use thereof in catalysis |
| 10/29/2009 | WO2009129739A1 Oxygen enrichment device and system |
| 10/29/2009 | WO2009109737A3 Improved method for the capture and disposal of carbon dioxide in an energy conversion process |
| 10/29/2009 | WO2009102816A3 Removing carbon dioxide from gaseous emissions |
| 10/29/2009 | WO2009094612A3 In-line milling system |
| 10/29/2009 | US20090269266 Oxidic Metal Composition, Its Preparation And Use As Catalyst Composition |
| 10/29/2009 | US20090269265 Exhaust gas purification method using selective reduction catalyst |
| 10/29/2009 | US20090269264 Carbon Dioxide Reforming Catalyst and Method for Manufacturing the Same |
| 10/29/2009 | US20090269263 Gas Processing for Catalytically Oxidizing Carbon Monoxide and Hydrocarbons In the Presence of a Metal/Silica-Containing Zirconia Catalyst |
| 10/29/2009 | US20090269262 Air pollutant control system and method for removing mercury in flue gas |
| 10/29/2009 | US20090269255 Holding sealing material, method for manufacturing holding sealing material, and exhaust gas purifying apparatus |
| 10/29/2009 | US20090269254 Holding sealing material, method for manufacturing holding sealing material, and exhaust gas purifying apparatus |
| 10/29/2009 | US20090269253 Hydrogen sulfide production-suppressing member and exhaust gas-purifying catalyst |
| 10/29/2009 | US20090269241 Method for removing mercury in exhaust gas and system therefor |
| 10/29/2009 | US20090266237 Membrane for Gas Phase Separation and Suitable Method for Production Thereof |
| 10/29/2009 | US20090266236 Canisters |
| 10/29/2009 | US20090266232 MOLDED CuZSM-5 ZEOLITE ADSORBENT, METHOD OF ACTIVATING THE SAME, TEMPERATURE SWING TYPE ADSORPTION APPARATUS, AND METHOD OF PURIFYING GAS |
| 10/29/2009 | US20090266230 Poly(ionic liquid)s as new materials for co2 separation and other applications |
| 10/29/2009 | DE102009002406A1 Abgasreinigungsfilter Exhaust gas purifying filter |
| 10/29/2009 | DE102008062669A1 Abgasanlage mit verbesserter NOx-Emissionsteuerung Exhaust system with improved NOx emission control |
| 10/29/2009 | DE102008020414A1 Method for separating carbon dioxide from exhaust gas or synthetic gas from e.g. machine, involves renewing regenerated and separated adsorbent/absorbent, in which adsorber and/or absorber are returned back and used freshly |
| 10/29/2009 | DE102008001427A1 Reduction agent container for the installation in a vehicle equipped with an internal combustion engine, comprises a container wall impermeable for reducing agent, and a heat insulating- and/or rockfall protection cladding |
| 10/29/2009 | CA2725431A1 Catalytic compositions containing zirconium, cerium and yttrium oxides and use thereof in the treatment of exhaust gases |
| 10/29/2009 | CA2722190A1 Hydrogen sulfide conversion to hydrogen |
| 10/29/2009 | CA2664028A1 Production and conditioning of synthesis gas obtained from biomass |
| 10/28/2009 | EP2111931A1 Method for disposal of organic waste material and apparatus for the method |
| 10/28/2009 | EP2111917A1 Static mixer, method for manufacturing the same, and mixer assembly |
| 10/28/2009 | EP2111907A1 A process for the treatment of gas phase alkaline chlorides in a combustion plant, combustion plant for carrying out the process, and the use of a phosphorous substance for the treatment of gas phase alkaline chlorides in a combustion plant |
| 10/28/2009 | EP2111906A1 Method and apparatus for removing mercury from flue gas of solid fuel combustion |
| 10/28/2009 | EP2111905A1 Improvements in cyclical swing adsorption processes |
| 10/28/2009 | EP2111356A1 Sorbent packaging |
| 10/28/2009 | EP2111287A1 Use of aqueous guanidinium formiate solutions for the selective catalytic reduction of nitrogen oxides in exhaust gases of vehicles |
| 10/28/2009 | EP2111286A1 Gas catalysts comprising porous wall honeycombs |
| 10/28/2009 | EP2111285A1 A method for the preparation of a reducing agent composition |
| 10/28/2009 | EP2111283A1 Method of treating a gas stream |
| 10/28/2009 | EP2111282A2 Mercury adsorbents compatible as cement additives |
| 10/28/2009 | EP1594595B1 Device for supplying ammonia to a reduction catalyst arranged in an exhaust gas evacuation system got an internal combustion engine |
| 10/28/2009 | CN201333425Y Modular electronic-type dedusting purification device designed for underground use |
| 10/28/2009 | CN201333379Y Desulphurizing, denitrating, dedusting and deodorizing integrated machine |
| 10/28/2009 | CN201333378Y Gas purification and desulphurization device |
| 10/28/2009 | CN201333377Y Venturi crushed granite impact type water-bath desulfurating dust separator |
| 10/28/2009 | CN201333376Y Flue gas desulfurization and denitration purifying device |
| 10/28/2009 | CN201333375Y Integrated device for flue gas purification and discharging |
| 10/28/2009 | CN201333374Y Device capable of collecting carbon dioxide contained in flue gases of power plant through ammonia by utilizing void tower |
| 10/28/2009 | CN201333373Y Hydrogen dehumidification device |
| 10/28/2009 | CN201333372Y Tail gas recovery device of methanol tower |
| 10/28/2009 | CN201333371Y High pressure gas purifier and high pressure gas purification device |
| 10/28/2009 | CN201333353Y Steam-water separator for steam preheating mixing material |
| 10/28/2009 | CN101568826A Sulfur component detection apparatus |
| 10/28/2009 | CN101568707A Metering device for liquid reducing agent |
| 10/28/2009 | CN101568702A Exhaust gas purification system of diesel engine |
| 10/28/2009 | CN101568381A Catalyst system for use in exhaust gas purification apparatus for automobiles, exhaust gas purification apparatus using the catalyst system, and exhaust gas purification method |
| 10/28/2009 | CN101568372A Use of aqueous guanidinium formiate solutions for the selective catalytic reduction of nitrogen oxides in exhaust gases of vehicles |
| 10/28/2009 | CN101568371A Method for the selective catalytic reduction of nitrogen oxides in exhaust gases of vehicles |
| 10/28/2009 | CN101568370A Gas separation membranes |
| 10/28/2009 | CN101568369A Hydrogen adsorption purification method with co-generation of a pressurised CO2 flow |
| 10/28/2009 | CN101568368A Treatment of cold start engine exhaust |
| 10/28/2009 | CN101566250A Valve linkage device |
| 10/28/2009 | CN101566086A Holding sealing material, method for manufacturing holding sealing material, and exhaust gas purifying apparatus |
| 10/28/2009 | CN101566085A Holding sealing material, method for manufacturing holding sealing material, and exhaust gas purifying apparatus |
| 10/28/2009 | CN101565693A Method for preparing deodorizing enzyme preparation through fermentation |
| 10/28/2009 | CN101565628A Coke oven coal-charging smoke dust pre-spraying adsorption and purification technology |
| 10/28/2009 | CN101565376A Method for extracting natural octopamine |
| 10/28/2009 | CN101564646A Method for purification of an exhaust gas from a diesel engine |
| 10/28/2009 | CN101564645A 涂布金属基质 Coated metal substrate |
| 10/28/2009 | CN101564644A 选择性催化还原体系和催化剂体系 Selective catalytic reduction system and catalyst system |
| 10/28/2009 | CN101564643A Method for treating exhaust gas containing nitrogen oxide by utilizing microbial fermentation |
| 10/28/2009 | CN101564642A Fume desulfurization absorber |