| 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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| 02/11/2003 | US6517797 Process for separation of NOx from N2O in a mixture |
| 02/11/2003 | US6517794 Treating flue gas in electrical gas discharge, passing treated gas over storage material (stores nitrogen oxides in form of nitrates), releasing, then treating storage material with reducing regenerative gas stream forming ammonia |
| 02/11/2003 | US6517792 Removal dusts and selenium; air pollution control |
| 02/11/2003 | US6517791 System and process for gas recovery |
| 02/11/2003 | US6517786 Dielectrically hindered discharge; porous electrode constructed to be permeable to gases and to act as a filter for soot |
| 02/11/2003 | US6517785 System for exhaust gas purification |
| 02/11/2003 | US6517784 Reducing nitrogen oxides to nitrogen; lean burning; durability; particle oxide support for rhodium, platinum, magnesium oxide and cerium oxide and second support for platinum, barium oxide and lanthanum oxide |
| 02/11/2003 | US6517700 Base is added to the electrodialysis unit to permit the recovery of corresponding salts; used to remove acid gases from a gas stream |
| 02/11/2003 | US6517613 Tank for containing granular absorbers for cleaning gases |
| 02/11/2003 | US6517611 Olefin separations employing CTS molecular sieves |
| 02/11/2003 | US6517610 Extracting oxygen from air |
| 02/11/2003 | US6517609 Installation for the cyclic treatment of fluid by adsorption with valves with improved sealing |
| 02/11/2003 | US6517607 Method and apparatus for selective removal of a condensable component from a process stream with latent heat recovery |
| 02/11/2003 | US6517606 Blending thermoplastic resin, liquid crystalline polymer and compatiblizer to control the dispersion of crystalline polymer and adhesion at interface, then biaxially drawing the mixture in which polymer is altered serves as obstacle |
| 02/11/2003 | US6517594 Air management system and method for chemical containment and contamination reduction in a semiconductor manufacturing facility |
| 02/11/2003 | US6516622 Method and apparatus for variable frequency controlled compressor and fan |
| 02/11/2003 | US6516612 Exhaust gas purification device for an engine and A/F ratio control for early activating a NOx trapping catalyst |
| 02/11/2003 | US6516611 Process and device for removing soot from the exhaust gas of a diesel engine |
| 02/11/2003 | US6516610 Device for reducing a level of nitrogen oxides in an exhaust gas of an internal combustion engine |
| 02/11/2003 | US6516607 Method and device for cleaning exhaust gas containing nitrogen oxide from an internal combustion engine |
| 02/11/2003 | CA2271436C Method of recovering nitrogen oxides from recovery boiler flue gases |
| 02/11/2003 | CA2257949C Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine |
| 02/11/2003 | CA2191965C Composite articles for separating mercury from fluids |
| 02/09/2003 | CA2397221A1 Chemical-mechanical process to reduce the contamination caused by gases and products resulting from the combustion of fossil fuels, petroleum and its by-products |
| 02/08/2003 | WO2003013727A1 Photocatalyst exhibiting catalytic activity even in visible light region |
| 02/08/2003 | CA2410255A1 Photocatalyst with catalytic activity even in visible-light range |
| 02/06/2003 | WO2003010808A1 Method and apparatus for supplying tetrafluoroethylene gas to dry etching apparatus |
| 02/06/2003 | WO2003010096A2 Product for treating contaminated fluids and method of making and using the same |
| 02/06/2003 | WO2003009938A1 Honeycomb structural body for exhaust emission control and honeycomb catalyst body for exhaust emission control |
| 02/06/2003 | WO2003009933A1 A filter and a method for making a filter |
| 02/06/2003 | WO2003009925A1 System and method for reducing nitrogen oxides in the exhaust of an internal combustion engine |
| 02/06/2003 | WO2003009924A1 Method for the removal of acid gases from a gas flow |
| 02/06/2003 | WO2003009923A1 Method for carbon monoxide reduction during thermal/wet abatement of organic compounds |
| 02/06/2003 | WO2003009918A1 Material for eliminating nitrogen oxides with laminated structure |
| 02/06/2003 | WO2003009899A1 Cool oxygen chemical gas generator |
| 02/06/2003 | WO2002059043A3 Recovery and purification of water from the exhaust gases of int ernal combustion engines |
| 02/06/2003 | WO2002053977A8 A biological filter system and a housing for a biological filter system |
| 02/06/2003 | WO2002009852A3 System and process for removal of pollutants from a gas stream |
| 02/06/2003 | US20030028066 Photochemical system and method for the removal of PCDD or PCDF compounds from industrial process emissions |
| 02/06/2003 | US20030027719 Oxidation catalyst |
| 02/06/2003 | US20030027325 Method for processing alkene-containing exhaust gas |
| 02/06/2003 | US20030027088 Method for treating combustible wastes |
| 02/06/2003 | US20030027027 Ceria based solid elecrolytes |
| 02/06/2003 | US20030026944 Cordierite honeycomb structural body and method of manufacturing the structural body |
| 02/06/2003 | US20030026750 Conversion of low NOx concentrations in combustion gases to nitric acid or fertilizer using hydrogen peroxide and lye |
| 02/06/2003 | US20030026744 Method and apparatus for NOx and SO2 removal |
| 02/06/2003 | US20030026743 Method for removing harmful components in an exhaust gas |
| 02/06/2003 | US20030024884 Method for removing oil, petroleum products and/or chemical, pollutants from liquid and/or gas and/or surface |
| 02/06/2003 | US20030024881 Composite membranes |
| 02/06/2003 | US20030024804 The soot particles flowing through the exhaust gas line are deposited by inertial forces onto electrodes of a reactor for producing dielectrically hindered gas discharges |
| 02/06/2003 | US20030024803 The hydrate rises or sinks or is carried into a lower pressure area and dissociates into the gas and pure water. |
| 02/06/2003 | US20030024513 Intake system for an internal combustion engine with a membrane preferentially permeable to oxygen molecules |
| 02/06/2003 | US20030024396 Gas purifier system containing an ultra-low emission carbon material |
| 02/06/2003 | US20030024395 Gas purifier system for removing trace impurities from a reactive fluid |
| 02/06/2003 | US20030024394 Method for producing a preconditioned ultra-low emmission carbon material |
| 02/06/2003 | US20030024391 Method for reducing trace impurities from a reactive fluid using preconditioned ultra-low emission carbon material |
| 02/06/2003 | US20030024390 Using liquid purifying systems that contain an ultra-low emission (ULE) carbon. |
| 02/06/2003 | US20030024389 Method for carbon monoxide reduction during thermal/wet abatement of organic compounds |
| 02/06/2003 | US20030024388 Cryogenic hydrogen and carbon monoxide production with membrane permeate expander |
| 02/06/2003 | US20030024219 Filter and exhaust gas purification |
| 02/06/2003 | CA2453247A1 A filter and a method for making a filter |
| 02/05/2003 | EP1281669A1 Process for the recovery of hydrogen from a hydrocarbon exhaust gas by means of a membrane reactor |
| 02/05/2003 | EP1281437A1 Catalyst for exhaust gas purification |
| 02/05/2003 | EP1281431A1 A modular photocatalytic air purifier |
| 02/05/2003 | EP1281430A2 Purification of gases |
| 02/05/2003 | EP1281429A1 Control system for a photocatalytic air purifier |
| 02/05/2003 | EP1281165A1 Automatic vending system and method |
| 02/05/2003 | EP1280731A1 Oxygen transport membrane for silicon oxide plant |
| 02/05/2003 | EP1280605A1 Portable motor vehicle cabin air purifier |
| 02/05/2003 | EP1280594A1 Method and device for exhaust gas purification |
| 02/05/2003 | EP1280593A1 Process for the purification of flue gas |
| 02/05/2003 | EP1252102A4 Fluorine removal by ion exchange |
| 02/05/2003 | EP1185354A4 Control of mercury emissions using unburned carbon from combustion by-products |
| 02/05/2003 | EP1117472B1 Composition and process for removal of acid gases |
| 02/05/2003 | EP1117471B1 Composition and process for removal of acid gases |
| 02/05/2003 | EP1115471A4 Process and catalyst/sorber for treating sulfur compound containing effluent |
| 02/05/2003 | EP1112115A4 Valve free oxygen concentrator |
| 02/05/2003 | EP1087831A4 Attrition resistant, zinc titanate-containing, reduced sulfur sorbents |
| 02/05/2003 | EP1082169A4 Catalyst members having electric arc sprayed substrates and methods of making the same |
| 02/05/2003 | EP0951337B1 Process for recovering cf 4? and c 2?f 6? from a gas |
| 02/05/2003 | CN2533942Y Multi-stage liquid curtain spray washing flue gas desulfurizing apparatus |
| 02/05/2003 | CN2533941Y Combined high-efficiency wet desulfurizing separator |
| 02/05/2003 | CN1395542A Removal of nitrogen monoxide in nitric acid production |
| 02/05/2003 | CN1395508A Metallic catalyst carrier |
| 02/05/2003 | CN1395502A Method for removal of NOx and N2O from residual gas in nitric acid production |
| 02/05/2003 | CN1395501A Method for removal of NOx and N2O |
| 02/05/2003 | CN1395500A Multi-stage malodorous or noxious gas purification system |
| 02/05/2003 | CN1395499A Method and apparatus for wet type flue-gas desulfurization |
| 02/05/2003 | CN1394789A Waste gas and ballast water combined treatment equipment and method for treating ballast water |
| 02/05/2003 | CN1394686A Ceramic filter and ceramic filter with catalyst |
| 02/05/2003 | CN1394675A Preparation method of titanium dioxide film photocatalyst loaded on surface of flexible base material |
| 02/05/2003 | CN1394667A Method for treating smoke produced by carbide |
| 02/05/2003 | CN1394666A High-effective cleaning equipment for treating flue gas |
| 02/05/2003 | CN1394665A Single-system one-step series-connected pressure swing adsorption process |
| 02/05/2003 | CN1100934C Filter element for purifier |
| 02/05/2003 | CN1100628C Disposal apparatus for orgainc matter |
| 02/05/2003 | CN1100618C Metal thin sheet for metal catalyst carrier and metal catalyst converter employing metal thin sheet |
| 02/05/2003 | CN1100607C Active hetorogeneously dispersed catalyst for nitric acid tail gas burning to raise temp. and its preparation |
| 02/05/2003 | CN1100605C Carbonaceous adsorbent, process for producing same, and method and apparatus for gas separation |
| 02/05/2003 | CN1100596C Gas-liquid dispersing device, gas-liquid contacting device and waste-water treating device |