| 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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| 01/14/2009 | CN101342457A Flue gas denitrating whirling current mixer and whirling current mixing method |
| 01/14/2009 | CN101342456A Wastewater and exhaust gas purification and treatment device |
| 01/14/2009 | CN101342455A Rotational flow and spray combined desulfurizing device |
| 01/14/2009 | CN101342454A Rotational flow and spray combined desulfurizing device |
| 01/14/2009 | CN101342453A Dust separation and neutralization filter material apparatus with wet-process |
| 01/14/2009 | CN101342452A Vertical waste gas washing facility and waste gas treatment method |
| 01/14/2009 | CN101342451A Gas cleaning device |
| 01/14/2009 | CN101342450A Treatment method for waste gas of boiler |
| 01/14/2009 | CN101342449A Comprehensive recovery method for chlorine containing waste gas |
| 01/14/2009 | CN101342448A Method for reducing hydrargyrum and chromium in flue gas discharged from coal-fired boiler |
| 01/14/2009 | CN101342447A Method for reducing hydrargyrum and chromium in flue gas discharged from coal-fired boiler |
| 01/14/2009 | CN101342446A Method for reducing hydrargyrum and chromium in flue gas discharged from coal-fired boiler |
| 01/14/2009 | CN101342445A Method for reducing hydrargyrum and chromium in flue gas discharged from coal-fired boiler |
| 01/14/2009 | CN101342444A Method for reducing hydrargyrum and chromium in flue gas discharged from coal-fired boiler |
| 01/14/2009 | CN101342443A Method for reducing hydrargyrum and chromium in flue gas discharged from coal-fired boiler |
| 01/14/2009 | CN101342442A Non-discharge desulfurization and comprehensive utilization method for sea water |
| 01/14/2009 | CN101342441A Method for treating tail gas of acyl chlorination |
| 01/14/2009 | CN101342440A Recovery method for organic waste gas of same-medium heat conduction plastic flexible package printing industry |
| 01/14/2009 | CN101342439A Hydrocarbons recovery method |
| 01/14/2009 | CN101342438A Accurate gas filter and manufacture thereof |
| 01/14/2009 | CN101342436A Boiler flue gas processor |
| 01/14/2009 | CN101342427A Oil gas recovery method |
| 01/14/2009 | CN100451307C Method for controlling injection of reducing agent in exhaust gas from a combustion engine |
| 01/14/2009 | CN100450610C Magnenese-cerium composite oxide supported catalyst for purifying formaldehyde in the indoor air |
| 01/14/2009 | CN100450593C Ion transport membrane module and vessel system with directed internal gas flow |
| 01/14/2009 | CN100450590C Apparatus for preparing clean air and lure-trapping-mosquito by using photocalytic technology |
| 01/14/2009 | CN100450589C Intensified absorbing combined gas biological purifying method |
| 01/14/2009 | CN100450588C Square absorption tower for wet method desulfurization of flue gas |
| 01/14/2009 | CN100450587C Circulating slurry sprinkling device for desulfurization of flue gas |
| 01/14/2009 | CN100450586C Process for removing hydrogen sulphide from carbon bisulfide waste gas and apparatus therefor |
| 01/14/2009 | CN100450585C Method of removing sulfides including hydrogen sulfide and mercaptan |
| 01/14/2009 | CN100450584C Preparation method of desulfurizer powder by quick hydration reaction and device thereof |
| 01/14/2009 | CN100450583C Smoke purifier apparatus with divided washing fluid sump |
| 01/14/2009 | CN100450582C Sorbent capsule. |
| 01/14/2009 | CN100450581C Improved configuration and process for carbonyl removal |
| 01/14/2009 | CN100450580C Magnetic space-division oxygen-enriching device |
| 01/13/2009 | US7476640 Purification catalyst for exhaust gas, production method therefor, and purification catalyst device for automobile exhaust gas |
| 01/13/2009 | US7476639 Method for the production of catalytically active layer silicates |
| 01/13/2009 | US7476636 Method of making mixed matrix membranes using electrostatically stabilized suspensions |
| 01/13/2009 | US7476635 Process for making supported thin zeolite membrane |
| 01/13/2009 | US7476374 Using rare earth oxide catalyst and steam for dechlorination |
| 01/13/2009 | US7476373 Treating agent for exhaust gas containing metal hydride compound and method for treating exhaust gas containing metal hydride compound |
| 01/13/2009 | US7476372 Burning biosolids (optionally with a fossil fuel) containing a scrubbing agent in the presence of an acid flue gas (sulfur oxides, nitrogen oxides and/or carbon oxides) using a hydroxide of a Group IA element, a Group IIA element, and/or a transition metal as a scrubbing agent |
| 01/13/2009 | US7476364 Thermal regenerative granular-moving bed apparatus |
| 01/13/2009 | US7476269 Evaporative emissions canister suitable for marine use |
| 01/13/2009 | US7476268 Air filter |
| 01/13/2009 | US7476194 One-pot stabilization of waste material by in-situ mineralization in a treatment container suitable for transit, storage and disposal; mixing the material and a mineralizing additive and heat-activating the mixture to form a stable, mineralized, monolithic solid; nuclear fuel sludges; asbestos |
| 01/13/2009 | US7475536 Exhaust gas purifying apparatus for internal combustion engine |
| 01/13/2009 | US7475535 Diesel aftertreatment systems |
| 01/13/2009 | CA2444125C Desiccant composition |
| 01/13/2009 | CA2343723C Air purification device |
| 01/13/2009 | CA2331632C Air purifier |
| 01/08/2009 | WO2009006307A1 Benzene recovery process |
| 01/08/2009 | WO2009005910A1 Prevention of face-plugging on aftertreatment devices in exhaust |
| 01/08/2009 | WO2009005525A1 Use of compounds containing halogen and nitrogen for reducing mercury emissions during coal combustion |
| 01/08/2009 | WO2009005371A1 Method for producing catalysts and catalysts thereof |
| 01/08/2009 | WO2009005153A1 Exhaust purification catalyst |
| 01/08/2009 | WO2009005092A1 Engine powered machine |
| 01/08/2009 | WO2009005091A1 Engine powered machine |
| 01/08/2009 | WO2009004912A1 Honeycomb structure |
| 01/08/2009 | WO2009004803A1 Hydrogen producing apparatus, method of operating hydrogen producing apparatus and fuel cell power generating system |
| 01/08/2009 | WO2009004799A1 Hollow fiber membrane dehumidifier |
| 01/08/2009 | WO2009004756A1 Process for producing porous photocatalyst body, porous photocatalyst body and purification apparatus |
| 01/08/2009 | WO2009004307A1 Process for the separation of pressurised carbon dioxide from steam |
| 01/08/2009 | WO2009004208A1 Equipment and system for processing a gaseous mixture by permeation |
| 01/08/2009 | WO2009004132A2 Process for deacidification of a natural gas using layered double hydroxides |
| 01/08/2009 | WO2009004036A1 Method of removing liquid contaminant droplets from a gas stream, and wash tray |
| 01/08/2009 | WO2009003929A1 Method for separating carbon dioxide from flue gases and associated device |
| 01/08/2009 | WO2009003891A1 Removal of carbon dioxide from flue gas with ammonia comprising medium |
| 01/08/2009 | WO2009003697A2 Offgas catalyst for hydrochloric acid-containing offgases |
| 01/08/2009 | WO2009003644A1 Removal of aromatic hydrocarbons from coking gas by absorption |
| 01/08/2009 | WO2009003238A1 Improvements in the recovery of carbon dioxide |
| 01/08/2009 | WO2008131034A3 Hydrogen sulfide scrubber |
| 01/08/2009 | WO2008127602A3 Novel sorbents and purification and bulk separation of gas streams |
| 01/08/2009 | WO2008122030A3 Carbon dioxide scrubbing using ionic materials |
| 01/08/2009 | WO2008118371A3 Antimicrobial filtration article |
| 01/08/2009 | WO2007118237A8 Nano-scale gas separation device utilizing thin film structures for hydrogen production |
| 01/08/2009 | US20090011927 Selective catalytic reduction on n2o |
| 01/08/2009 | US20090010829 Reducing Agent Composition |
| 01/08/2009 | US20090010828 Mercury control using moderate-temperature dissociation of halogen compounds |
| 01/08/2009 | US20090010817 Honeycomb filter |
| 01/08/2009 | US20090010816 Apparatus and method for controlled combustion of gaseous pollutants |
| 01/08/2009 | US20090010815 Hexagonal-cell honeycomb catalyzer for purifying exhaust gas |
| 01/08/2009 | US20090010814 Effluent gas stream treatment system having utility for oxidation treatment of semiconductor manufacturing effluent gases |
| 01/08/2009 | US20090010801 Air cleaner |
| 01/08/2009 | US20090007827 System and Method for Minimizing Nitrogen Oxide (NOx) Emissions in Cyclone Combustors |
| 01/08/2009 | US20090007790 Absorbent Material for Low-Molecular-Weight Organic Gas and Fuel Vapor Treatment Apparatus Using Same |
| 01/08/2009 | US20090007789 Thermal insulator |
| 01/08/2009 | US20090007787 Air Dryer for a Brake System |
| 01/08/2009 | US20090007785 Method for removing mercury vapor in gas |
| 01/08/2009 | US20090007784 Method and Device for Drying a Gas |
| 01/08/2009 | US20090007783 Method for Drying a Gas and Device Applied Thereby |
| 01/08/2009 | US20090007782 Hydrogen Management in Petrochemical Process Units |
| 01/08/2009 | US20090007780 water is selectively separated from water-containing mixture with separation membrane that is a DDR (Deca-Dodecasil 3R) type zeolite membrane, the dehydration method using pervaporation or vapor permeation; cost efficiency, energy efficiency, acid resistance |
| 01/08/2009 | US20090007779 Method and system of providing carbon dioxide-enriched gas for greenhouses |
| 01/08/2009 | US20090007777 In-Line Gas Purity Monitoring and Control System |
| 01/08/2009 | DE102008002326A1 Zugabemengensteuerungseinrichtung für ein Abgasreinigungsmittel und Abgasemissionssteuerungssystem Addition amount controller for an exhaust gas purifying agent and exhaust emission control system |
| 01/08/2009 | DE102007042327A1 Ultraschalltransducer und -horn zur oxidativen Entschwefelung fossiler Brennstoffe Ultrasonic transducer and the oxidative desulfurization of fossil fuels -Horn |
| 01/08/2009 | DE102007030895A1 Abgaskatalysator für Salzsäure-haltige Abgase Catalytic converter for hydrochloric acid-containing gases |
| 01/08/2009 | DE102007030541A1 Method for dosing liquid reducing agent in exhaust system of internal combustion engine, involves conveying reducing agent from dosing pump to dosing valve in rapid, sequential doses in chronologically separated, individual conveyance steps |