| 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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| 07/04/2007 | CN1993178A Exhaust gas purifying catalyst and production process thereof |
| 07/04/2007 | CN1993175A Carbon-dioxide-gas absorber, method for separating carbon-dioxide-gas using carbon-dioxide-gas absorber, and apparatus for separating carbon-dioxide-gas |
| 07/04/2007 | CN1993170A Gas abatement |
| 07/04/2007 | CN1993169A Process for removing mercaptans from a gas stream comprising natural gas or an inert gas |
| 07/04/2007 | CN1993168A Method for drying a gas and device applied thereby |
| 07/04/2007 | CN1993167A Membranes for highly selective separations |
| 07/04/2007 | CN1993166A Double separation method and double separation system for oxygen gas and nitrogen gas |
| 07/04/2007 | CN1990108A Hexagonal cell honeycomb structure body |
| 07/04/2007 | CN1990103A Catalytic combustion catalyst |
| 07/04/2007 | CN1990102A Au/TiO2 catalyst for eliminating ozone by photocatalysis |
| 07/04/2007 | CN1990094A Permeable film for separating hydrogen |
| 07/04/2007 | CN1990092A Exhaust apparatus for dry desulfurizing digester |
| 07/04/2007 | CN1990091A Feed apparatus for dry desulfurizing digester |
| 07/04/2007 | CN1990090A Method and apparatus for removing ozone |
| 07/04/2007 | CN1990089A Wet process complex denitration technique enhancing Fe*EDTA by using sulfite reducing agent |
| 07/04/2007 | CN1990088A Wet process complex denitration technique enhancing FeIIEDTA by using compounds of vitamin C species |
| 07/04/2007 | CN1990087A Dryer for humid compressed gases |
| 07/04/2007 | CN1990086A Electric physical oxygen-making device |
| 07/04/2007 | CN1324931C Plasma generation and processing with multiple radiation sources |
| 07/04/2007 | CN1324114C Plasma-assisted joining |
| 07/04/2007 | CN1323992C Chlorinated tail gas absorbing unit and method for chlorobenzene production |
| 07/04/2007 | CN1323981C Aluminum titanate-based ceramic article |
| 07/04/2007 | CN1323750C Apparatus for activating substance using active structure and method for activating substance |
| 07/04/2007 | CN1323749C Desulfurization system with novel sorbent transfer mechanism |
| 07/03/2007 | US7238641 operates at relatively low temperatures, relatively insensitive to water vapor and is highly resistant to hydrothermal degradation, is prepared from ferrierite exchanged with iron; use to reduce nitrous oxide from plants that use nitric acid to make acids such as adipic acid; pollution control |
| 07/03/2007 | US7238640 Minimization of purge NOx release from NOx traps by optimizing the oxygen storage capacity |
| 07/03/2007 | US7238639 Mixed oxides; catalytic exhaust system |
| 07/03/2007 | US7238333 High activity water gas shift catalysts with no methane formation |
| 07/03/2007 | US7238332 Material and process for the filtration of nitric acid and NO2 from streams of air |
| 07/03/2007 | US7238327 Method of attaching internal heat shield in automotive catalytic converters |
| 07/03/2007 | US7238223 Acoustical stimulation of vapor diffusion system and method |
| 07/03/2007 | US7237428 Fuel gauge for hydrogen storage media |
| 07/03/2007 | CA2364788C Exhaust gas purifying catalyst |
| 07/03/2007 | CA2318734C Catalysts for the selective oxidation of hydrogen sulfide to sulfur |
| 07/03/2007 | CA2317749C Process for treating hydrogen sulfide lean streams with partial combustion of feed stream |
| 06/28/2007 | WO2007073201A1 An energy efficient process for removing and sequestering co2 from energy process plants exhaust gas |
| 06/28/2007 | WO2007072690A1 Catalyst for exhaust gas clean-up |
| 06/28/2007 | WO2007071926A1 Process for the removal of oxygenates from a gaseous stream |
| 06/28/2007 | WO2007071923A1 Caustic wash process |
| 06/28/2007 | WO2007071921A1 Process for the removal of oxygenates from a gaseous stream |
| 06/28/2007 | WO2007071666A1 Milling process |
| 06/28/2007 | WO2007071633A1 Process for sequestration of carbon dioxide |
| 06/28/2007 | WO2007071303A1 Process for removing carbon oxides from offgas streams |
| 06/28/2007 | WO2007024253A3 Composite palladium membrane having long-term stability for hydrogen separation |
| 06/28/2007 | WO2007023299A3 Doped lithium zirconate |
| 06/28/2007 | WO2007009461A8 A method for recovery of high purity carbon dioxide from a gaseous source comprising nitrogen compounds |
| 06/28/2007 | US20070149394 Catalyst, a method of using a catalyst, and an arrangement including a catalyst, for controlling NO and/or CO emissions from a combustion system without using external reagent |
| 06/28/2007 | US20070149392 Reactor for carbon dioxide capture and conversion |
| 06/28/2007 | US20070148071 Reduction of oxides of nitrogen in a gas stream using molecular sieve ssz-74 |
| 06/28/2007 | US20070148070 Production of moderate purity carbon dioxide streams |
| 06/28/2007 | US20070148069 Carbon dioxide recovery from flue gas and the like |
| 06/28/2007 | US20070148068 Reclaiming amines in carbon dioxide recovery |
| 06/28/2007 | US20070148067 treating cold-start engine exhaust gas stream containing hydrocarbons and other pollutants by flowing exhaust gas over crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication as a structure-directing agent |
| 06/28/2007 | US20070148060 Stack gas decontamination system |
| 06/28/2007 | US20070148057 Fluid bearing assisted assembly of an exhaust treatment device |
| 06/28/2007 | US20070144961 titanium oxide coatings on a sponge-like porous structure which contains silicon carbide and at least one material selected from silicon, a silicon alloy, and carbon; pollution control device for purifying polluted air containing NOx, toxic substances and cleaning water from polluted water |
| 06/28/2007 | US20070144351 Heat exchanging unit |
| 06/28/2007 | US20070144350 Air dryer cartridge |
| 06/28/2007 | US20070144349 Hydrogen storage and release device |
| 06/28/2007 | US20070144347 Method and Apparatus for Generating an Inert Gas on a Vehicle |
| 06/28/2007 | US20070144346 Thermal processor with contaminant removal cartridge |
| 06/28/2007 | US20070144345 Apparatus and method for reducing and removing airborne oxidized particulates |
| 06/28/2007 | US20070144344 Gas separation using molecular sieve ssz-74 |
| 06/28/2007 | US20070144245 PM generating apparatus |
| 06/28/2007 | US20070144156 Catalyst System for the Reduction of NOx and NH3 Emissions |
| 06/28/2007 | US20070144153 Catalyst System for the Reduction of NOx and NH3 Emissions |
| 06/28/2007 | US20070144152 Procedure and control unit to operate an integrated SCR/DPF system |
| 06/28/2007 | US20070144144 Exhaust gas purifying system for internal combustion engine |
| 06/28/2007 | DE10343438B4 Verfahren zur Herstellung von keramischen Partikelfiltern und keramischer Partikelfilter A process for the production of ceramic particulate and ceramic particulate |
| 06/28/2007 | DE102006043152A1 Verfahren und Vorrichtung zur Steuerung eines Reduktionsmittel-Generationssystems Method and apparatus for controlling a reducing agent generation system |
| 06/28/2007 | DE102006043100A1 Verfahren zur Reduktionsmittelsteuerung in einer Abgasnachbehandlungsanlage A method for reducing fluid control in an exhaust aftertreatment system |
| 06/28/2007 | DE102006043097A1 Determining cut-out time for a heater, e.g. in the exhaust gas treatment unit of a diesel engine, involves determining a model cut-out time from a temperature value of a temperature sensor on the output side of the heater |
| 06/28/2007 | DE102006043084A1 Katalysatoranordnung in einer Abgasnachbehandlungsanlage Catalyst arrangement in an exhaust aftertreatment system |
| 06/28/2007 | DE102006043082A1 Verfahren zur Reduktionsmittelsteuerung in einer Abgasnachbehandlungsanlage A method for reducing fluid control in an exhaust aftertreatment system |
| 06/28/2007 | DE102006035311A1 Abgasreinigungssystem für eine Brennkraftmaschine An exhaust gas purification system for an internal combustion engine |
| 06/28/2007 | DE102006023035A1 Verfahren zur Entfernung von Kohlenstoffdioxiden aus Abgasströmen A process for removing from flue gas streams Kohlenstoffdioxiden |
| 06/28/2007 | DE102005062245A1 Gas cleaning system for dehumidifying gases comprises a unit for pre-dehumidifying the gas arranged upstream of a filtering unit |
| 06/28/2007 | DE102005062119A1 Y-shaped automotive exhaust system tests functioning of first-stage inlet components during regeneration of downstream common catalytic converter |
| 06/28/2007 | DE102005059952A1 Filling material for air dryer, used in vehicle compressed air-braking system, comprises hygroscopic silica gel or zeolite particles on fleece backing wound to spiral form |
| 06/28/2007 | DE102004019957B4 Vorrichtung zur Bestimmung von Anomalien in einem Sekundärluftsystem Apparatus for determining anomalies in a secondary air system |
| 06/28/2007 | CA2634711A1 Nitrogenous sorbent for coal combustion |
| 06/28/2007 | CA2632944A1 Process for milling sodium carbonate, sodium bicarbonate or sodium sesquicarbonate in the presence of a cleaning agent |
| 06/27/2007 | EP1801379A1 Exhaust gas purification system for internal combustion engine |
| 06/27/2007 | EP1801376A1 METHOD OF MEASURING NOx REDUCTION RATE OF EXHAUST EMISSION CONTROL DEVICE |
| 06/27/2007 | EP1801375A1 Method for detecting abnormality occurred in exhaust gas clarification device |
| 06/27/2007 | EP1801374A1 Method of controlling exhaust purification apparatus |
| 06/27/2007 | EP1801371A1 Internal combustion engine exhaust cleaner |
| 06/27/2007 | EP1801370A1 Exhaust emission control device of internal combustion engine |
| 06/27/2007 | EP1801346A1 Process for carbon dioxide sequestration by injection in coal seams |
| 06/27/2007 | EP1801197A1 Process for the valorization of gaseous sources of carbon and a photobioreactor |
| 06/27/2007 | EP1801074A1 Cerium-zirconium-base composite oxide, process for producing the same, oxygen storage/release material using said cerium-zirconium-base composite oxide, exhaust gas purification catalyst, and exhaust gas purification method |
| 06/27/2007 | EP1801070A1 Process for the production of oxygen from air, in particular by means of an electrochemical cell with a ceramic membrane and with controlling means allowing a continuous oxygen production |
| 06/27/2007 | EP1800734A1 Mercury removal system and mercury removal process |
| 06/27/2007 | EP1800733A1 Process for removing carbon oxides from exhaust gas streams |
| 06/27/2007 | EP1800732A1 Bubbling bed reactor and a method of separating a gaseous pollutant from a gas |
| 06/27/2007 | EP1800731A2 Portable medical oxygen concentrator |
| 06/27/2007 | EP1800059A1 Emission control systems |
| 06/27/2007 | EP1800052A2 Storage of natural gas in liquid solvents and methods to absorb and segregate natural gas into and out of liquid solvents |
| 06/27/2007 | EP1799980A1 Construction for an engine exhaust system component |
| 06/27/2007 | EP1799977A1 Exhaust gas system for an internal combustion engine and method for the operation of such an exhaust gas system |