| 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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| 11/20/2001 | US6318075 Method and device for periodically desulphating a nitrogen oxide or sulphur oxide storage vessel with rich/lean engine cylinder distribution |
| 11/20/2001 | CA2039440C Rotary gas treating apparatus |
| 11/17/2001 | CA2348126A1 The removal of chemical and biological agents from air |
| 11/16/2001 | CA2347334A1 Process for gas adsorption using aminomethylated bead polymers |
| 11/15/2001 | WO2001086124A1 A method of controlling the concentration of nitrogen oxides, hydrocarbons and carbon monoxide in conjunction with the cleansing of emission gases |
| 11/15/2001 | WO2001085611A1 Method for the catalytic conversion of gases with a high sulfur dioxide content |
| 11/15/2001 | WO2001085329A2 A bed adsorption system |
| 11/15/2001 | WO2001085311A1 Method and device for the catalytic conversion of a substance |
| 11/15/2001 | WO2001085310A1 Method and installation for separating wood constituents from gases produced during wood processing |
| 11/15/2001 | WO2001085309A1 Multiple bed pressure swing adsorption method and apparatus |
| 11/15/2001 | WO2001085308A2 Filters employing both acidic polymers and physical-absorption media |
| 11/15/2001 | WO2001085307A1 Process for the purification of flue gas |
| 11/15/2001 | US20010041658 Exhaust gas purifying catalyst |
| 11/15/2001 | US20010041157 Selective catalytic and selective non-catalytic reductions adsorption and desorption at air preheater, rotary regenerative heat exchanger |
| 11/15/2001 | US20010041156 Adsorption, desorption, zeolite, heater |
| 11/15/2001 | US20010041153 Generating hydrogen required for nitrogen oxide reduction on-board the motor vehicle via water vapor reformation and/or by partial oxidation of hydrocarbons and adjustably heating catalyst for water vapor reformation or for partial oxidation |
| 11/15/2001 | US20010040716 Photocatalytic colored member and method of manufacturing the same |
| 11/15/2001 | US20010040135 Spraying waste water including nitrogen-containing organic compound in heated space to gasify, oxidizing by contacting with catalyst to convert nitrogen-containing compound into nitrogen, carbon dioxide, water vapor; semiconductor processes |
| 11/15/2001 | US20010039881 Canister |
| 11/15/2001 | US20010039798 Method for desulfating an NOx accumulator catalytic converter |
| 11/15/2001 | US20010039759 A cushioning member is interposed between hydrogen separation layer and adjoining porous layer, this effectively protects the separation layer from potential damages and enhances shock resistance and vibration damping properties |
| 11/15/2001 | DE10023661A1 Purification of spent scrubber fluid from gas desulfurization plant comprises use of magnetic separator to remove metal sulfides arising in pretreatment |
| 11/15/2001 | DE10023538A1 Improved decomposition of nitrous oxide-containing gases, involves placing a gas-decomposing inert material before the catalyst |
| 11/15/2001 | DE10023178A1 Two-stage catalytic production of sulfur trioxide gas with low sulfur dioxide content from high sulfur dioxide-content gas comprises use of two catalyst layers with temperature at each layer controlled |
| 11/15/2001 | DE10023072A1 Determining nitrogen oxide concentration of IC engine exhaust gas includes testing operating parameter of nitrogen oxide-sensitive measuring device during the fuel cut-off phase |
| 11/15/2001 | DE10022456A1 Carbonyl sulfide removal from gas mixture comprises use of regenerated active carbon granules of defined pore size |
| 11/15/2001 | DE10021693A1 Verfahren und Vorrichtung zur Abgasreinigung Method and device for purifying exhaust gas |
| 11/15/2001 | DE10009731A1 Purifying oxygen-containing exhaust gas from lean burn IC engines comprises using a plasma module for the electrical gas discharge connected to catalyst |
| 11/15/2001 | CA2408260A1 Method for the catalytic conversion of gases with a high sulfur dioxide content |
| 11/15/2001 | CA2406703A1 Filters employing both acidic polymers and physical-adsorption media |
| 11/14/2001 | EP1154130A1 Process for separating nitrogen oxides and soot particles from a lean exhaust gas from a combustion engine and exhaust gas cleaning system therefor |
| 11/14/2001 | EP1153885A1 A process for concentrating fluorine compounds |
| 11/14/2001 | EP1153659A1 Ceramic honeycomb body with improved resistence to pressure |
| 11/14/2001 | EP1153655A2 Mixed-cation adsorbent production with single pass ion exchange |
| 11/14/2001 | EP1153649A1 Catalyst for purification of exhaust gas |
| 11/14/2001 | EP1153648A1 Structured catalyst for the selective reduction of nitrogen oxides by ammonia using a hydrolisable compound |
| 11/14/2001 | EP1153647A1 Motor vehicle comprising a catalytic converter mounted downstream a radiator belonging to the motor |
| 11/14/2001 | EP1153645A1 Sodium-based dechlorinating agent and waste treatment equipment |
| 11/14/2001 | EP1153644A1 Apparatus for cleaning gaseous media |
| 11/14/2001 | EP1153640A1 Deflector for diverting a liquid jet |
| 11/14/2001 | EP1153639A1 Column with a plate between packing sections |
| 11/14/2001 | EP1153252A1 Purification of natural gas by cryogenic separation |
| 11/14/2001 | EP1153207A1 Reactor for plasma assisted gas processing |
| 11/14/2001 | EP1153206A1 Monolithic catalyst/filter to control gaseous and particulate emissions |
| 11/14/2001 | EP1152887A1 Zeolite membrane and a process for the production thereof |
| 11/14/2001 | EP1152815A1 Split flow process and apparatus |
| 11/14/2001 | EP1051540A4 A neural network packing |
| 11/14/2001 | EP1021643A4 Method and apparatus for using free radicals to reduce pollutants in the exhaust gases from the combustion of a fuel |
| 11/14/2001 | EP0946275B1 Process and plant for reforming hydrocarbonaceous feedstock |
| 11/14/2001 | EP0907537B1 A drain valve |
| 11/14/2001 | EP0876192B1 Molecular sieve type gas separation apparatus and method |
| 11/14/2001 | EP0871541B1 Separating nitrogen from a feed gas |
| 11/14/2001 | EP0779963B1 System and method for abatement of food cooking fumes |
| 11/14/2001 | CN2459071Y Desulfurating dust removing device for flue gas |
| 11/14/2001 | CN2459070Y Waste gas exhausting filter for gas combustion water heater |
| 11/14/2001 | CN1321539A Flue gas desulfurization and denitration absorbing liquor for jet bubbling method |
| 11/14/2001 | CN1321538A City air (unlimited space) large-scale cleaning equipment |
| 11/14/2001 | CN1321537A Method for removing sulfur dioxide from flue gas |
| 11/14/2001 | CN1321536A Equipment for producing nitrogen gas by using pressure swing adsorption process |
| 11/14/2001 | CN1074686C Process for preparing catalyst containing noble metal for purifying waste gas |
| 11/14/2001 | CN1074685C Desulfurizing agent and preparation method thereof |
| 11/13/2001 | US6316521 Absorption of formaldehyde in closed, gastight packs |
| 11/13/2001 | US6316384 Honeycomb body configuration with support sections |
| 11/13/2001 | US6315973 Reactors containing an admixture of adsorbent and reaction catalyst suitable for performing reaction which is operated in a predetermined timed sequence wherein heating and cooling requirements in a moving reaction mass transfer zone |
| 11/13/2001 | US6315969 Gas re-circulation selective catalytic reduction system with heat trace |
| 11/13/2001 | US6315968 Process for separating acid gases from gaseous mixtures utilizing composite membranes formed from salt-polymer blends |
| 11/13/2001 | US6315962 Ozone producing apparatus |
| 11/13/2001 | US6315961 Suitable for treating claus plant tail gases, which still contain a small quantity of hydrogen sulphide and sulphur dioxide; pollution control |
| 11/13/2001 | US6315960 Apparatus for treating pyrophoric gases and toxic global warming gases |
| 11/13/2001 | US6315934 Process for preparing poly(thimethylene therephthalate) carpet yarn |
| 11/13/2001 | US6315870 Method for high flux photocatalytic pollution control |
| 11/13/2001 | US6315861 Process for conditioning ozone gas recycle stream in ozone pulp bleaching |
| 11/13/2001 | US6315818 Regeneration phase is terminated by a one final step in which a residual gas is withdrawn counter-current to the adsorber; variable portion of the residual gas is recycled; duration of the cycle is reduced |
| 11/13/2001 | US6315817 Selective removal of nitrogen from natural gas by pressure swing adsorption |
| 11/13/2001 | US6315816 Adsorbents, method for the preparation and method for the separation of unsaturated hydrocarbons for gas mixtures |
| 11/13/2001 | US6315815 For removing dissolved oxygen from a liquid fuel in the fuel system of an energy conversion device. |
| 11/13/2001 | US6315814 Gas separation plant and use of such a plant for producing a gas |
| 11/13/2001 | US6315273 Gas and liquid contact apparatus: illuminated |
| 11/13/2001 | US6315076 Catalytic converter for a muffler of a small engine |
| 11/13/2001 | US6315000 Eductor system and method for vapor recovery |
| 11/13/2001 | US6314957 Portable home oxygen therapy medical equipment |
| 11/13/2001 | US6314754 Hypoxic fire prevention and fire suppression systems for computer rooms and other human occupied facilities |
| 11/13/2001 | US6314722 Method and apparatus for emission control |
| 11/08/2001 | WO2001084066A1 Device for collecting water from air |
| 11/08/2001 | WO2001083964A1 Oxygen separation method integrated with gas turbine |
| 11/08/2001 | WO2001083955A1 Exhaust gas purifier for diesel engine |
| 11/08/2001 | WO2001083366A1 Electrode self-cleaning mechanism for electro-kinetic air transporter-conditioner devices |
| 11/08/2001 | WO2001083365A2 Method for removal of carbon monoxide from reformate |
| 11/08/2001 | WO2001083294A1 Rechargeable breathing apparatus particularly an apparatus for divers |
| 11/08/2001 | WO2001083245A1 Method for regenerating activated carbon and device for carrying out said method |
| 11/08/2001 | WO2001083088A1 Device and method for reduction of a gas component in an exhaust gas flow of a combustion engine |
| 11/08/2001 | WO2001083087A1 Method and device for exhaust gas purification |
| 11/08/2001 | WO2001083086A1 Fluid separation assembly and fluid separation module |
| 11/08/2001 | WO2001083085A1 Glycol solution solubility suppressants |
| 11/08/2001 | WO2001083083A1 Method and apparatus for determining the residual life of filters |
| 11/08/2001 | WO2001083082A1 Auto-switching gas delivery system utilizing sub-atmospheric pressure gas supply vessels |
| 11/08/2001 | WO2001083069A2 Treatment system for removing hazardous substances from a semiconductor process waste gas stream |
| 11/08/2001 | WO2001046626A3 Flow-through adsorbent unit assembly for receiver dryer |
| 11/08/2001 | WO2000051715A9 Process for the decomposition of nitrous oxide |
| 11/08/2001 | US20010039242 Exhaust emission control catalyst for diesel engines |