| 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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| 03/17/2004 | EP1397618A1 Smart air cleaning system and method thereof |
| 03/17/2004 | EP1397529A1 Application of dense plasmas generated at atmospheric pressure for treating gas effluents |
| 03/17/2004 | EP1397467A1 Stripping process and apparatus |
| 03/17/2004 | EP1397195A1 Method and apparatus for electrochemical reduction of nitrogen oxides in a mixture of nitrogen oxides and oxygen |
| 03/17/2004 | EP1397194A2 Method and device for filtering polluted air |
| 03/17/2004 | EP1397192A1 Process for the recovery of combustible components of a gas stream |
| 03/17/2004 | EP1251958B1 Packing for heat- and material-exchange columns |
| 03/17/2004 | EP1230471B1 Method for operating an accumulator-type catalytic converter of an internal combustion engine |
| 03/17/2004 | EP1011844B1 Device for removing water vapour from pressurised hydrocarbon containing gases or gas mixtures |
| 03/17/2004 | EP0969909B1 Chromatographic separation process |
| 03/17/2004 | EP0968362B1 Operating of an internal combustion engine in conjunction with an NOx-accumulator catalytic converter |
| 03/17/2004 | EP0831964B1 Process for producing a gas passage with selectively acting penetration surface and gas passage produced by said process |
| 03/17/2004 | EP0830195B1 Oxygen-scavenging composition |
| 03/17/2004 | CN2606739Y CO2 purifying device by adsorptive fine disstillation |
| 03/17/2004 | CN2606635Y Water soluble neutralizing waste gas treating device |
| 03/17/2004 | CN2606634Y Dry absorption tower for producing sulfuric acid |
| 03/17/2004 | CN2606633Y Tubular type acid distributor |
| 03/17/2004 | CN2606632Y Dry absorption tower with inner lining anti-acid alloy |
| 03/17/2004 | CN1483131A Dehumidifying method |
| 03/17/2004 | CN1482999A Method for the concentration of spent acid |
| 03/17/2004 | CN1482941A Copolyimide gas separation membranes |
| 03/17/2004 | CN1482938A Method for treating a gas by adsorption and corresponding installation |
| 03/17/2004 | CN1482937A Method and device for separating object gas |
| 03/17/2004 | CN1482936A Method for separating hydrogen gas |
| 03/17/2004 | CN1482923A Deodorant material and method for preparation thereof |
| 03/17/2004 | CN1482057A Method of five stage catalyst and double conversion and double absorption to treat smoke of lead bottom blowing furnace for preparing vitriol |
| 03/17/2004 | CN1481927A Dry type stack gas desulfurization method and its apparatus |
| 03/17/2004 | CN1481926A Technology for magnesia wet method stack gas desulfurization and recovering the products |
| 03/17/2004 | CN1481925A Method of dealing with gases containing boric acid |
| 03/17/2004 | CN1481924A Method of recovery and utilizing the exhaust steam from process of producing saponin with turmeric |
| 03/17/2004 | CN1481923A Automobile tail gas purification system for City roads |
| 03/17/2004 | CN1142008C Storage material for sulfur oxides |
| 03/17/2004 | CN1142006C Process for enriching oxygen in air by two-stage pressure swing adsorption |
| 03/16/2004 | US6706857 Recovery of olefin monomers |
| 03/16/2004 | US6706771 Polymer, a silver salt, and a phthalate |
| 03/16/2004 | US6706660 Metal/metal oxide doped oxide catalysts having high deNOx selectivity for lean NOx exhaust aftertreatment systems |
| 03/16/2004 | US6706246 Using reducing agents; heat recovering |
| 03/16/2004 | US6706162 High speed, high resolution compositions, methods, and kits for capillary electrophoresis |
| 03/16/2004 | US6706097 Molecular separator apparatus |
| 03/16/2004 | US6706093 Method and apparatus for preventing iron contamination in corrosive service |
| 03/16/2004 | US6706092 Chemical/Biological decontamination filter |
| 03/16/2004 | US6706090 Method for recovering and/or separating sulfur oxyfluorides from gas mixtures |
| 03/16/2004 | US6706089 Disposal unit |
| 03/16/2004 | US6705839 Control system and method for air compressor |
| 03/16/2004 | US6705092 Vapor membrane dehumidification for air cycle environment control system |
| 03/16/2004 | US6705078 Method and device for controlling a NOx storage catalyst that is arranged in an exhaust gas channel of a combustion engine |
| 03/16/2004 | US6705077 Exhaust gas recirculation control system and method and engine control unit for internal combustion engine |
| 03/11/2004 | WO2004020929A1 Refrigerant condenser, especially for motor vehicle air conditioning installations |
| 03/11/2004 | WO2004020925A1 Dual lift system |
| 03/11/2004 | WO2004020808A1 Method for nox reduction |
| 03/11/2004 | WO2004020807A1 Emission control system for vehicles powered by diesel engines |
| 03/11/2004 | WO2004020798A1 System for exhaust gas treatment comprising a gas ionizing system with ionized air injection |
| 03/11/2004 | WO2004020333A1 Method for recovering nitrogen from air |
| 03/11/2004 | WO2004020092A1 Process for the preparation of catalysts comprising a pentasil-type zeolite |
| 03/11/2004 | WO2004020077A1 METHOD AND APPARATUS FOR DESULFURIZATION COMPRISING INCORPORATING NO AND/OR NO2 IN GAS TO BE TREATED, TO RECOVER SO2 AS CaSO4 |
| 03/11/2004 | WO2004020076A1 Separator, reactor, and process for producing aromatic carboxylic acid |
| 03/11/2004 | WO2004020063A2 Modular ceramic oxygen system |
| 03/11/2004 | WO2003072231A3 Ceramic membrane based on a substrate containing polymer or natural fibres, method for the production and use thereof |
| 03/11/2004 | WO2003072226A3 Acid gas removal |
| 03/11/2004 | WO2003054508A3 Integrated oxygen generation and carbon dioxide absorption method, apparatus and systems |
| 03/11/2004 | WO2003035256A3 Layered catalyst composite and use thereof |
| 03/11/2004 | US20040048743 Desulfurization and sorbents for same |
| 03/11/2004 | US20040048742 Carbon dioxide absorbent performance, crush resistance, and pore structure |
| 03/11/2004 | US20040048741 Nox-trap composition |
| 03/11/2004 | US20040048740 Tin oxide three-way catalysts stable at high temperatures |
| 03/11/2004 | US20040048533 Nonwoven fabric, hygroscopic member, method and apparatus for producing nonwoven fabric and organic electroluminescence display |
| 03/11/2004 | US20040048357 Bed adsorption system |
| 03/11/2004 | US20040048210 Process for reducing nitrogen oxide emissions |
| 03/11/2004 | US20040048136 One piece sleeve gas manifold for cell stack assemblies such as fuel cells |
| 03/11/2004 | US20040047787 Process for the selective oxidation of cabon monoxide |
| 03/11/2004 | US20040047786 A gas stream containing at least one fluorine compound selected from the group consisting of compounds of carbon and fluorine, compounds of carbon, hydrogen and fluorine, compounds of sulfur and fluorine, compounds of nitrogen and |
| 03/11/2004 | US20040047784 Process for treating fluorine compound-containing gas |
| 03/11/2004 | US20040047783 Method and device for dosing a reducing agent for the removal of nitrogen oxides from exhaust gases |
| 03/11/2004 | US20040047782 Treating a gas, which comprises contacting a gas containing a boric acid component in an amount of at least 15 mg/m3 as converted into B2O3 concentration in a standard state, with a solid alkali metal carbonate material comprising at least one |
| 03/11/2004 | US20040047775 Personal electro-kinetic air transporter-conditioner |
| 03/11/2004 | US20040047774 Ceramic honeycomb filter and exhaust gas-cleaning method |
| 03/11/2004 | US20040047773 Sodium carbonate supply device is provided that supplies sodium carbonate to flue gas at the outlet of a boiler, and an SO3 separation device is provided that decreases the SO3 concentration in the flue gas while also separating and |
| 03/11/2004 | US20040047645 Wet type electrophotographic image forming device with oxidation catalyst filter |
| 03/11/2004 | US20040045479 Reactive nanoparticles as destructive adsorbents for biological and chemical contamination |
| 03/11/2004 | US20040045440 Continuously removing siloxanes and H2O from a waste gas stream containing H2O and siloxanes comprises cooling the waste gas stream in a primary heat exchanger to a temperature of greater than 32 degrees F. to condense a portion of the H2O |
| 03/11/2004 | US20040045438 A regenerable adsorber for removing VOCs from gas streams consists of a porous monolithic carbon which can be regenerated by heating by passing an electric current through it. |
| 03/11/2004 | US20040045437 Method and apparatus for removing vapor phase contaminants from a flue gas stream |
| 03/11/2004 | US20040045436 Air dryer module |
| 03/11/2004 | US20040045435 Vessel, a desiccant container, a valve housing coupled to the vessel, and a vent assembly coupled to the valve housing. The vent assembly includes screened ports disposed along a vertical axis of the vent assembly body that allow air to |
| 03/11/2004 | US20040045434 Purification of gas streams using composite adsorbent |
| 03/11/2004 | US20040045433 Filtered mask enclosure having an exterior portion and interior regions within the exterior portion such that the interior regions have a filtering region and a purging region connected to the filtering region. |
| 03/11/2004 | US20040045432 An apparatus for separating and recovering a halide gas comprising at least first and second stage separation membrane modules which is characterized in that the first stage separation membrane module has a gas inlet thereof connected |
| 03/11/2004 | US20040045315 Method and device for producing oxygen |
| 03/11/2004 | US20040045285 A high-surface-area (greater than 600 m2/g), large-pore (pore size greater than 6.5 angstroms), basic zeolite having a structure such as an alkali metal cation-exchanged Y-zeolite is employed to convert NOx contained in an oxygen-rich exhaust |
| 03/11/2004 | US20040045284 Method and device for storing and dosing a reducing agent |
| 03/11/2004 | US20040045282 Exhaust gas control apparatus and exhaust gas purification method for internal combustion engine |
| 03/11/2004 | US20040045279 Device and method for exhaust gas after-treatment |
| 03/11/2004 | US20040045267 Integral structure of a plurality of honeycomb segments 12 bonded by an adhesive 8. The honeycomb segment has numbers of through-holes 3, which are surrounded by partition walls 2 and extend in the axial direction of the segment. The honeycomb |
| 03/11/2004 | DE20317946U1 Reinigungsvorrichtung zur Entfernung von Verunreinigungen aus Abgas A cleaning device for removing impurities from exhaust gas |
| 03/11/2004 | DE20220763U1 Production of hydrogen comprises converting hydrocarbon gas and water into hydrogen and further reformer products, feeding the reformer to a catalyst stage and a methanizing stage to reduce the carbon monoxide amount, and further treating |
| 03/11/2004 | DE19915447C5 Verfahren zur Herstellung eines Aktivkohlefilters sowie Aktivkohlefilter A process for producing an activated carbon filter and active carbon filter |
| 03/11/2004 | DE10241898A1 Automotive exhaust gas filter for diesel engine and fuel-injection petrol engine, has swivel-mounted gas deflector directed alternately at two sections of same gas filter |
| 03/11/2004 | DE10241529A1 Adsorptionsmasse und Verfahren zur Entfernung von Kohlenmonoxid aus Stoffströmen And adsorption process for removing carbon monoxide from streams |
| 03/11/2004 | DE10241065A1 Process and assembly to reduce automotive particle and nitrogen oxides emissions, has catalytic converter operating in parallel with plasma reactor |
| 03/11/2004 | DE10241063A1 Catalytic process and assembly to reduce diesel engine particle and nitrogen emissions by dosed admixture of plasma particles and ozone |