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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12/03/2002 | US6487872 Dehumidifier system |
12/03/2002 | US6487852 Method and apparatus for controlling reactant injection into an active lean NOx catalyst |
12/03/2002 | CA2285162C Mercury removal in utility wet scrubber using a chelating agent |
12/03/2002 | CA2224513C Method and device for removal of nox from engine exhaust |
12/03/2002 | CA2207689C Improved solid filtration media incorporating elevated levels of permanganate and water |
11/28/2002 | WO2002096160A1 Moisture-absorption sheet |
11/28/2002 | WO2002095199A1 Sensor and method for monitoring and controlling catalysts, especially motor vehicle catalysts |
11/28/2002 | WO2002095198A1 Method and apparatus for manufacturing a catalytic converter |
11/28/2002 | WO2002095079A1 Method for aluminum recovery from al-vapor and aluminum suboxide containing off-gases produced by carbothermic reduction of alumina |
11/28/2002 | WO2002094420A1 Method for carrying out the selective catalytic reduction of nitrogen oxides with ammonia in the lean exhaust gas of a combustion process |
11/28/2002 | WO2002094419A1 Method for the selective catalytic reduction of nitrogen oxides using ammonia in the poor exhaust gas from a combustion process |
11/28/2002 | WO2002094418A1 Method and apparatus for electrochemical reduction of nitrogen oxides in a mixture of nitrogen oxides and oxygen |
11/28/2002 | WO2002094417A1 Method and device for gas separation by adsorption, in particular for industrial oxygen production |
11/28/2002 | WO2002070402A3 Apparatus and process for the production of hydrogen |
11/28/2002 | WO2002066144A3 Composite structures of membranes that are selectively permeable to hydrogen and combustible gas processors using same |
11/28/2002 | WO2002040835A9 Pollution control device |
11/28/2002 | WO2002011869A3 Zeolite membranes for selective oxidation of carbon monoxide in mixed hydrogen gas source |
11/28/2002 | US20020177524 Adsorbent having capability of decomposing organic halogen compounds and method for producing the same |
11/28/2002 | US20020177520 Chemical filter |
11/28/2002 | US20020176808 Process and apparatus for treating contaminated gas |
11/28/2002 | US20020175451 Method of making wall-flow monolith filter |
11/28/2002 | US20020175212 System and method for controlling a temperature of an emission control device |
11/28/2002 | US20020175068 Decontamination of fluids or objects contaminated with chemical or biological agents using a distributed plasma reactor |
11/28/2002 | US20020174900 Liquid distributor for columns |
11/28/2002 | US20020174771 Air cleaning filter |
11/28/2002 | US20020174646 Zero NOx gaseous passivation process |
11/28/2002 | DE10147661A1 Keramikträger und Keramikkatalysatorkörper Ceramic substrate and ceramic catalyst body |
11/28/2002 | DE10125678A1 Continuous preparation of polyethylene terephthalate, by esterification of terephthalic acid with ethylene glycol, condensation, rectification, and liquid phase recyling, and catalytic oxidation of acetaldehyde |
11/28/2002 | DE10124895A1 Extractive cleaning process used e.g. for cleaning textiles and plastic parts comprises conveying, circulating and recovering liquefied gas by adsorption and desorption on adsorbent with condensation |
11/28/2002 | DE10124549A1 Reduction of nitrogen oxides in vehicle exhaust gases involves selective catalytic reduction with ammonia produced by contacting rich fuel/air mixture containing nitric oxide with three-way catalyst |
11/28/2002 | DE10124548A1 Reduction of nitrogen oxides in vehicle exhaust gases involves selective catalytic reduction with ammonia produced by reducing nitric oxide in rich fuel/air mixture |
11/28/2002 | DE10123402A1 Removal of ammoniacal components from flue gas treated by selective non-catalytic reduction process, e.g. in waste incineration plants, involves contacting flue gas with ferro-oxide catalyst |
11/28/2002 | CA2448002A1 Method and apparatus for electrochemical reduction of nitrogen oxides in a mixture of nitrogen oxides and oxygen |
11/27/2002 | EP1260765A1 Combustion additive to reduce dioxin emissions |
11/27/2002 | EP1260682A1 Exhaust line of an internal engine, especially diesel engine from utility vehicules such as trucks or buses, with an integrated device for treating an exhaust gas an attenuate noise |
11/27/2002 | EP1259994A1 Fuel cell power generation method and system |
11/27/2002 | EP1259458A1 Method for producing hydrogen by partial oxidation of hydrocarbons |
11/27/2002 | EP1259308A1 Method and emission control system for catalytically reducing nitrogen oxides in the exhaust gas of a combustion system |
11/27/2002 | EP1259307A1 Method for removal of nox and n2o |
11/27/2002 | EP1171222A4 Process for removing hydrogen sulfide from gases |
11/27/2002 | EP1133344B1 Container for granular adsorbent for gas purification |
11/27/2002 | EP1100611B1 Method for purifying a gas stream |
11/27/2002 | EP0988109B1 Metallic catalyst support for purifying an exhaust gas current, especially of a small engine |
11/27/2002 | CN2522156Y Wet-type sweetening efficient nozzle |
11/27/2002 | CN2522155Y Heat-exchanging type sweetening cleaner |
11/27/2002 | CN2522154Y Smoke dusting-sweetening integrated apparatus |
11/27/2002 | CN2522153Y Fan-free cleaner |
11/27/2002 | CN1382169A Material having separating function |
11/27/2002 | CN1382107A Desalination using positively buoyant or negatively buoyant/assisted buoyancy hydrate and concomitant carbon dioxide capture yielding liquid carbon dioxide |
11/27/2002 | CN1382105A Process for production of sulfur |
11/27/2002 | CN1382072A Catalyst for decomposing organic hazardous material and method for decomposing organic halides using the same |
11/27/2002 | CN1381306A Moving desorptive equipment for activated coke |
11/27/2002 | CN1381302A Protection agent composition and method for fuel-lean discharge system |
11/27/2002 | CN1381301A Antioxidizing agent for suppressing recovered low-fractional-pressure CO2 solvent |
11/27/2002 | CN1381300A Producing high-purity oxygen by pressure oscillation adsorption |
11/27/2002 | CN1381299A Reversal valve for adsorptive separation procedure |
11/27/2002 | CN1381298A Cleaning process and equipment for burning and exhausting low-concentration organic waste gas |
11/27/2002 | CN1095028C Method and device for monitoring NOx accumulator |
11/27/2002 | CN1094792C Process for preparing oxidate zeolite and application as catalyst thereof |
11/27/2002 | CN1094778C Regenration desiccant air dryer |
11/26/2002 | US6486092 Catalyst structure with catalyst support particles forged into substrate surface and method of manufacture |
11/26/2002 | US6486086 Simplified methods of manufacturing titanium silicate membranes |
11/26/2002 | US6485697 Contacting the gaseous mixture with an aqueous alkaline solution comprising k2co3, v2o5 and h3bo3 to absorb co2 and hydrogen sulfide and oxidize to elemental sulfur |
11/26/2002 | US6485694 At least one structured metal sheet which is provided with a catalytically active material and which is wound or twisted, and is formed with passages through which exhaust gas can flow |
11/26/2002 | US6485646 Process for the treatment of waste water containing ammonia |
11/26/2002 | US6485613 Batch-continuous countercurrent mass transfer process |
11/26/2002 | US6485548 Method and apparatus for cleaning a gas |
11/26/2002 | US6485547 Exhaust gas cooling system |
11/26/2002 | US6485546 Filtering device and cartridges for fluids and gases |
11/26/2002 | US6485545 Arrangement for removing water vapor from pressurized gases or gas mixtures |
11/26/2002 | US6484733 Process for regenerating used deNOx or dedioxin catalytic converters |
11/26/2002 | US6484528 Air-conditioner |
11/26/2002 | US6484507 Method and apparatus for controlling liquid droplet size and quantity in a stream of gas |
11/26/2002 | US6484496 System for assisting the regeneration of a particle filter integrated into an exhaust line of a motor vehicle diesel engine |
11/26/2002 | US6484495 Device for purifying exhaust gas of diesel engines |
11/26/2002 | US6484413 Cartridge for an air drier |
11/26/2002 | CA2080663C Process and apparatus for purifying a gas by adsorption |
11/21/2002 | WO2002093676A2 Ion-exchange materials with improved ion conductivity |
11/21/2002 | WO2002093622A2 Substrate transport container |
11/21/2002 | WO2002092701A1 Fine particle size lime slurries and their production |
11/21/2002 | WO2002092638A1 Organic composite material including inorganic nano-material and preparation method and use |
11/21/2002 | WO2002092512A1 Processes and apparatus for quantitatively converting urea to ammonia on demand |
11/21/2002 | WO2002092224A1 Catalyst for purification of diesel engine exhaust gas |
11/21/2002 | WO2002092215A1 Rapid startup of fuel processor using water adsorption |
11/21/2002 | WO2002092203A1 Inorganic composite membrane for isolating hydrogen from mixtures containing hydrogen |
11/21/2002 | WO2002092199A1 Detection of cells using molecular electrophoretic change |
11/21/2002 | WO2002092198A1 Agents for reducing atmospheric oxidising pollutants |
11/21/2002 | WO2002092197A1 Method of treating atmospheric pollutants |
11/21/2002 | WO2002092196A1 Method and device for processing nitrogen-based gases |
11/21/2002 | WO2002092195A1 Method for treating flue gases containing ammonia |
11/21/2002 | WO2002092194A2 Compositions for reducing atmospheric oxidising pollutants |
11/21/2002 | WO2002076583A3 Device and method for purifying exhaust gas |
11/21/2002 | WO2002074422A8 Gas drying apparatus and method |
11/21/2002 | WO2001026709A9 Apparatus and method for blood oxygenation |
11/21/2002 | US20020172839 Moisture-absorption sheet |
11/21/2002 | US20020172633 For purifying the atmosphere normally drawn into a vehicle; cleaning of volatile organic compounds (VOC's) |
11/21/2002 | US20020172628 Using oxidizing power of the hydroxy radicals, to chemically remove hazardous substances |
11/21/2002 | US20020172627 To decompose harmful substances in exhaust gas or in waste water at high decomposition ratio and to turn them into harmless substances |
11/21/2002 | US20020172626 Disposing mat support material about a substrate to form a subassembly; passing at least a portion of subassembly into a main body portion of a housing comprising a first portion having a decreasing internal diameter from first end |
11/21/2002 | US20020172625 Catalyst device for clarification of exhaust gas |