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