| 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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| 05/25/2005 | CN1620335A Dehumidifying element and manufacturing method for the same |
| 05/25/2005 | CN1620334A Pretreatment and regeneration of oxides of manganese |
| 05/25/2005 | CN1620332A Method and apparatus for gas purification |
| 05/25/2005 | CN1620331A Filtering material for purifying air and its mfg. method |
| 05/25/2005 | CN1620201A 有机电致发光显示器 Organic electroluminescent display |
| 05/25/2005 | CN1619223A Mercury reduction system and method in combustion flue gas using staging |
| 05/25/2005 | CN1619121A Exhaust gas purifying method and exhaust gas purifying system |
| 05/25/2005 | CN1619120A Method of reducing and eliminating nitrogen oxide in automobile tail gas using acetylene or acetylene mixed gas |
| 05/25/2005 | CN1618729A Technology of combined extreacting carbon dioxide and hydrogen using medium varying gas decarbonization-varying pressure adsorption |
| 05/25/2005 | CN1618516A Composite nano-photo-catalyst used for purifying air |
| 05/25/2005 | CN1203035C Method for substracting hydrocarbon impurities of above C3+ from mixed acetylene gas and recovering acetylene |
| 05/25/2005 | CN1203011C Process for treatment of waste water containing ammonia |
| 05/25/2005 | CN1202985C Preparation of hydrogen and CO |
| 05/25/2005 | CN1202911C Prepn process of base coating material for waste gas purifying catalyst containing noble metal |
| 05/25/2005 | CN1202905C Method for testing separating property of oxygen enrichment film |
| 05/25/2005 | CN1202904C Biological filteration treatment method of wast gas containing hydrophilic and hydrophobic mixed volatile organic matter |
| 05/25/2005 | CN1202903C Process for desulfurizing fume |
| 05/25/2005 | CN1202902C Gas separating membrane and its utilizing method |
| 05/25/2005 | CN1202901C Single-stage process flow for side scavenging with partial raw gas at low-pressure end |
| 05/25/2005 | CN1202900C Single-stage process flow for side scavenging with partial tail gas at low-pressure end |
| 05/25/2005 | CN1202899C Multistage scavenging process |
| 05/25/2005 | CN1202898C Two-stage process with intermediate gas scavenging |
| 05/25/2005 | CN1202897C Process for recovery of acidic gases by methanol absorption |
| 05/25/2005 | CN1202896C Air-purifying method during separating air |
| 05/24/2005 | WO2007058015A1 Regeneration control method for exhaust gas purification system, and exhaust gas purification system |
| 05/24/2005 | US6897551 Support for microelectronic, microoptoelectronic or micromechanical devices |
| 05/24/2005 | US6897182 Catalyst for purifying exhaust gases |
| 05/24/2005 | US6897165 Environmental control equipment/method of developing apparatus for developing light-exposed resist film with developer in wafer treating chamber |
| 05/24/2005 | US6896980 Water-scavenging agent for an organic electroluminescent device and organic electroluminescent device comprising same |
| 05/24/2005 | US6896858 Gas refining system |
| 05/24/2005 | US6896857 Exhaust gas purifying catalyst and method for manufacturing the same |
| 05/24/2005 | US6896853 Self-contained ion generator that provides electro-kinetically moved air with ions and safe amounts of ozone, and includes a water retaining element to increase humidity of the output air flow. The ion generator includes a high voltage |
| 05/24/2005 | US6896852 Passageways for the flow of fluid are coated with an adsorptive material |
| 05/24/2005 | US6896851 Scrubbing combustion exhaust with an absorption liquid which contains an alkali to remove sulfur oxides |
| 05/24/2005 | US6896790 Apparatus for oxidatively destructing trace injurious substance |
| 05/24/2005 | US6896777 Porous hydrophilic membranes |
| 05/24/2005 | US6896721 Motor start-up unloading in an oxygen concentrator |
| 05/24/2005 | US6896718 Gas dehydration with cavitation regeneration of potassium formate dehydrating solution |
| 05/24/2005 | US6896717 Gas separation using coated membranes |
| 05/24/2005 | US6895961 Method and device for the autonomous production, preparation, and supply of breathing gas to divers at extreme depths |
| 05/24/2005 | US6895945 System and method for conditioning of intake air for an internal combustion engine |
| 05/24/2005 | US6895875 A method to reduce mercury in gas emissions from the combustion of coal in a combustion unit |
| 05/24/2005 | US6895774 Refrigerated air drier with dehumidification of both the low pressure and the high pressure air |
| 05/24/2005 | US6895746 Reducing oxides of nitrogen using hydrogen generated from engine fuel and exhaust |
| 05/24/2005 | CA2374752C A device for purifying the exhaust gas of an internal combustion engine |
| 05/24/2005 | CA2179171C Method for the destructive scrubbing of methyl chloride gas |
| 05/19/2005 | WO2005045316A2 Purification works for thermal power plant |
| 05/19/2005 | WO2005044955A1 Method for obtaining a high pressure acid gas stream by removal of the acid gases from a liquid stream |
| 05/19/2005 | WO2005044441A1 Method of mixing and distributing a liquid phase and a gaseous phase |
| 05/19/2005 | WO2005044426A1 Method for catalytically reducing nitrogen oxide and catalyst therefor |
| 05/19/2005 | WO2005044424A1 A membrane/distillation method and system for extracting co2 from hydrocarbon gas |
| 05/19/2005 | WO2005044415A2 Membrane devices for pervaporation, gas separations, and perstraction with permeate and sweep fluid conduit and method of use |
| 05/19/2005 | WO2005021138A3 Improved diesel exhaust filter |
| 05/19/2005 | WO2004103509A8 Air dryer cartridge |
| 05/19/2005 | WO2004037387A3 Filters and methods of making and using the same |
| 05/19/2005 | US20050107652 Method and equipment for making polychlorobiphenyl nontoxic |
| 05/19/2005 | US20050107244 Partitioned with walls to form honeycomb; improved isostatic breaking strength and exhibits proper sealing function in its cavities; hydrorefining catalysts |
| 05/19/2005 | US20050107243 Comprises hygroscopic salt (magnesium sulfate) and additives; for insulating glass windows |
| 05/19/2005 | US20050106516 Method and apparatus to reduce flue gas NOx by injection of n-agent droplets and gas in overfire air |
| 05/19/2005 | US20050106439 Controlled heating and cooling of mixed conducting metal oxide materials |
| 05/19/2005 | US20050106356 Ceramic honeycomb structure |
| 05/19/2005 | US20050106090 Contacting the a volatile metal hydride feed with an alkaline material to remove the impurity and produce an intermediate purified material; then contacting with an adsorbent material to remove at least a portion of the sulfur-containing impurity from the intermediate |
| 05/19/2005 | US20050106089 Sulfur oxide sorption with layered chlorite-type contact solids |
| 05/19/2005 | US20050106088 Using lithium silicate; controlling particle sizes |
| 05/19/2005 | US20050106085 Reactor for treating a gas flow with plasma, particularly exhaust gases produced by the internal combustion engine in a motor vehicle |
| 05/19/2005 | US20050106083 Ceramic honeycomb structural body and method of manufacturing the structural body |
| 05/19/2005 | US20050106082 NOx removal system for boilers |
| 05/19/2005 | US20050106081 From exhaust gases; pipes for supplying gas and liquids; connecting to aperture |
| 05/19/2005 | US20050104513 Organic electroluminescent display |
| 05/19/2005 | US20050104032 Thick film getter paste compositions for use in moisture control |
| 05/19/2005 | US20050103990 Composites based on carbon nanotubes or nanofibers deposited on an activated support for use in catalysis |
| 05/19/2005 | US20050103778 Microwave desorder |
| 05/19/2005 | US20050103714 Polymeric membrane wafer assembly and method |
| 05/19/2005 | US20050103710 Dynamic membrane wafer assembly and method |
| 05/19/2005 | US20050103618 Use of electrode apparatus for treating an air flow containing pollutants generated from the burning of fossil fuels, trash or coal-fired plants to reduce the oxides to elemental matter and water and to remove the elemental matter from the air flow; producing valuable material such as fullerenes |
| 05/19/2005 | US20050103341 Portable gas fractionalization system |
| 05/19/2005 | US20050103243 Mercury reduction system and method in combustion flue gas using staging |
| 05/19/2005 | US20050103197 Apparatus for drying a gas |
| 05/19/2005 | US20050103196 Metal hydride canister apparatus |
| 05/19/2005 | US20050103195 Automatic dehydrating breather apparatus and method |
| 05/19/2005 | US20050103194 Method for eliminating mercaptan from crude gas |
| 05/19/2005 | US20050103193 using a highly permeable oxygen enrichment unit; a composite hollow fibre membrane gas separation system; operate under relatively low differential pressure conditions; lightweight material |
| 05/19/2005 | US20050103001 A fuel source, a reformer for generating hydrogen and carbon monoxide, and having fluid flow control valves, an oxidation catalyst, a NOX adsorber, and a particulate filter |
| 05/19/2005 | US20050102998 Diesel aftertreatment systems |
| 05/19/2005 | US20050102987 Ceramic filter and exhaust gas decontamination unit |
| 05/19/2005 | DE202004000073U1 Filter insert, for installation in flow channel of e.g. vehicle ventilation system, has folds fanning out from first narrow side to one or more narrow sides opposite |
| 05/19/2005 | DE10349143A1 Metering unit for introducing a reducing agent into an exhaust pipe upstream of a selective catalytic reduction catalyst includes a pressure sensor equipped with a frost compensator |
| 05/19/2005 | DE102004051160A1 System zum Erfassen der Alterung eines Reinigers unter Verwendung eines nicht linearen Filters A system for detecting aging of a purifier using a non-linear filter |
| 05/19/2005 | DE102004050956A1 Abgasreinigungssystem Emission Control System |
| 05/19/2005 | DE102004002774B3 Sorptive duct filter especially for vehicle air-conditioning systems comprises a specified web structure with specified active carbon sorptive agent |
| 05/19/2005 | CA2542610A1 Purification works for thermal power plant |
| 05/18/2005 | EP1531504A2 Organic electroluminescent display |
| 05/18/2005 | EP1531241A1 Filtering device at a controlled temperature |
| 05/18/2005 | EP1531190A1 Method of treating a gas output from a processing chamber |
| 05/18/2005 | EP1531149A2 Controlled heating and cooling of mixed conducting metal oxide materials |
| 05/18/2005 | EP1531146A1 Plant for a boosted hydrogen production utilising dimethyl ether |
| 05/18/2005 | EP1530994A1 Method and apparatus for reducing flue gas nox by injecting reducing agent to overfire air |
| 05/18/2005 | EP1530674A2 Internal combustion engine and method for operating an internal combustion engine comprising a fuel regulating device |
| 05/18/2005 | EP1530672A1 Internal combustion engine installation comprising a direct-injection otto engine and a catalyst system |
| 05/18/2005 | EP1530501A1 METHOD FOR THE REMOVAL OF NO sb X /sb AND CATALYST THEREFOR |