| 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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| 09/11/2001 | US6288178 Process for reducing transient operation time in polymerization reactors |
| 09/11/2001 | US6287873 Metabolism of sulfur compounds in gas stream containing ammonia, carbon dioxide, carbon monoxide, hydrogen cyanide, methane, nitrogen, and/or hydrocarbon gases |
| 09/11/2001 | US6287535 Recovering sulfur |
| 09/11/2001 | US6287529 Method for selective catalytic oxidation of carbon monoxide |
| 09/11/2001 | US6287527 Catalytic exhaust system |
| 09/11/2001 | US6287524 Selective catalytic reduction (scr) process to convert nitrogen oxides together with a reducing agent, without the disadvantages of pressure loss or blockage due to deposits in sub-chambers. leading edges of the second plates set back |
| 09/11/2001 | US6287523 Metal thin film for metal catalyst carrier and metal catalyst converter employing the metal thin film |
| 09/11/2001 | US6287465 Ozone deodorizer |
| 09/11/2001 | US6287432 Using oxygen; forming synthesis gas |
| 09/11/2001 | US6287368 Apparatus for the purification of air flue gases, or equivalent |
| 09/11/2001 | US6287366 Process for the production of oxygen by adsorption with transatmospheric pressure variation |
| 09/11/2001 | US6287365 Sulfur production process |
| 09/11/2001 | US6286993 Method for forming a signal representing the instantaneous temperature of a catalytic converter |
| 09/11/2001 | US6286314 Geothermal steam processing |
| 09/11/2001 | US6286306 Exhaust gas purification system of internal combustion engine |
| 09/11/2001 | CA2233311C Control valve with axial sealing |
| 09/11/2001 | CA2009808C Atmosphere formulation method for the manufacturing of high performance composite elements |
| 09/08/2001 | CA2300222A1 Ozone purification process |
| 09/08/2001 | CA2300213A1 Ozone purification process |
| 09/08/2001 | CA2300209A1 Membrane module for gas transfer |
| 09/07/2001 | WO2001065621A1 Fuel cell power generation method and system |
| 09/07/2001 | WO2001064609A1 A method for removing polymer from an acid gas treating system |
| 09/07/2001 | WO2001064583A1 Zeolite formed product, zeolite laminate intermediate, zeolite laminate composite and method for their preparation |
| 09/07/2001 | WO2001064350A1 Process for producing adsorbent and detergent filter |
| 09/07/2001 | WO2001064341A1 Honeycomb catalyst and method for preparing the same |
| 09/07/2001 | WO2001064321A1 Composite membrane and composite membrane system and a method for producing composite membranes |
| 09/07/2001 | WO2001064319A1 Method and emission control system for catalytically reducing nitrogen oxides in the exhaust gas of a combustion system |
| 09/07/2001 | WO2001064318A1 Photocatalytic led purifier |
| 09/07/2001 | WO2001064317A1 Composite membrane for the selective diffusion of substances, and method for producing the same |
| 09/07/2001 | WO2001064316A1 Device for removing air pollution |
| 09/07/2001 | WO2001064314A1 Air management system and method for chemical containment and contamination reduction in a semiconductor manufacturing facility |
| 09/07/2001 | WO2001064311A1 Device and method for air filtration |
| 09/07/2001 | WO2001020700A3 Membrane for a fuel cell and a method for producing the same |
| 09/07/2001 | WO2001014044A3 Method and device for obtaining carbon dioxide from exhaust gas |
| 09/07/2001 | WO2000035562A3 Composition and process for separating water from chemical mixtures |
| 09/07/2001 | WO2000032990A8 Exhaust gas treating device |
| 09/07/2001 | EP1144090A3 Composition and process for separating water from chemical mixtures |
| 09/06/2001 | US20010019994 Removal carbon dioxide and water |
| 09/06/2001 | US20010019707 State of the ozone purifying catalysts is diagnosed according to the estimated amount of adhered matter |
| 09/06/2001 | DE19946381C2 Verfahren und Vorrichtung zur Erzeugung eines kohlendioxidarmen, wasserstoffreichen Gases oder eines konditionierten Synthesegases und Verwendung derselben Method and device for producing a carbon dioxide-poor, hydrogen-rich gas or a conditioned synthesis gas, and using the same |
| 09/06/2001 | DE19809976C2 Formkörper aus einer elektrisch leitfähigen Keramikverbindung sowie Verfahren zur Herstellung des Formkörpers Shaped body of an electrically conductive ceramic compound, and methods for producing the shaped body |
| 09/06/2001 | DE10057022A1 Exhaust gas purification catalyst for internal combustion engine comprises metal support, undercoat layer containing heat-resistant inorganic oxide and oxygen occlusion substance and catalyst carrying layer |
| 09/06/2001 | DE10020170C1 Process for removing soot particles from the exhaust gas of internal combustion engine comprises feeding gas through collecting element, and holding and/or fluidizing until there is sufficient reaction with nitrogen dioxide in exhaust gas |
| 09/06/2001 | DE10010396A1 Composite membrane used for purifying hydrogen for fuel cells comprises a first material which is permeable for a first substance, and a second material which is selectively permeable for the first substance |
| 09/06/2001 | DE10010387A1 Composite membrane used for purifying hydrogen for fuel cells comprises a support layer made from a first material and a permeation layer made from a second material arranged on the support layer |
| 09/06/2001 | DE10009730A1 Purifying oxygen-containing exhaust gas from lean burn IC engines comprises using a plasma module for the electrical gas discharge connected to catalyst |
| 09/06/2001 | DE10008247A1 Process for cleaning biogas comprises scrubbing with a scrubbing oil to remove trace components, e.g. silicon compounds, and chemically converting, especially combusting, the scrubbing oil charged with the trace components |
| 09/06/2001 | DE10007523A1 Air ionization by electrical or corona discharge is effected using an electronic control system to control ozone levels |
| 09/05/2001 | EP1130309A1 Dewatering method for gas supply systems |
| 09/05/2001 | EP1130239A2 Engine exhaust purification device |
| 09/05/2001 | EP1130229A1 System to regenerate an exhaust particle filter in a diesel engine |
| 09/05/2001 | EP1130161A1 Method for the production of a dehumidifying element |
| 09/05/2001 | EP1129997A2 Flue gas desulphurisation |
| 09/05/2001 | EP1129989A1 Ozone storage method and ozone storage apparatus |
| 09/05/2001 | EP1129795A2 Polluted soil remediation apparatus, polluted soil remediation method, pollutant degrading apparatus and pollutant degrading method |
| 09/05/2001 | EP1129775A1 Method and apparatus for treating waste gas containing fluorochemical |
| 09/05/2001 | EP1129774A1 Adsorbent for hydrocarbon and catalyst for exhaust gas purification |
| 09/05/2001 | EP1129766A1 Porous ceramic laminate and production thereof |
| 09/05/2001 | EP1129764A1 Catalyst for purifying diesel engines exhaust gases and process for its preparation |
| 09/05/2001 | EP1129763A1 Abatement of semiconductor processing gases |
| 09/05/2001 | EP1129762A1 Activated carbon filter |
| 09/05/2001 | EP1129278A1 STAGED REDUCTANT INJECTION FOR IMPROVED NO x? REDUCTION |
| 09/05/2001 | EP1129277A1 Insulative shield, particularly for automotive exhaust components |
| 09/05/2001 | EP1129036A1 Bottled water cooler with built-in oxygen generator and oxygen injection system |
| 09/05/2001 | EP1128906A1 Method for producing a catalyst body |
| 09/05/2001 | EP1128901A1 Thermomembrane method and device |
| 09/05/2001 | EP1128900A2 Modified porous metal surfaces |
| 09/05/2001 | EP1128895A1 Process and apparatus for treating combustion exhaust gas |
| 09/05/2001 | EP1128894A1 Method for purifying fume contaminated by hydrogen chloride and heavy metals, rendering inert said heavy metals and upgrading said hydrogen chloride |
| 09/05/2001 | EP1128893A1 Recovery of co 2? and h 2? from psa offgas in an h 2? plant |
| 09/05/2001 | EP1128740A1 Cigarette filter |
| 09/05/2001 | EP1128719A1 Pervaporation device and irrigation mat |
| 09/05/2001 | EP1093389A4 Process for recovery of olefinically unsaturated nitriles |
| 09/05/2001 | EP0880487B1 Separation process in which a membrane is used |
| 09/05/2001 | CN2445800Y High efficiency smoke and dust removing purifier |
| 09/05/2001 | CN2445799Y Natural ventilating boiler duster |
| 09/05/2001 | CN2445798Y Impact fume/smoke purifier |
| 09/05/2001 | CN1311847A Gas storage method and system, and gas occluding material |
| 09/05/2001 | CN1311844A Method and device for post-treamtent of exhaust gases of an internal combustion engine |
| 09/05/2001 | CN1311758A Crystalline molecular sieves |
| 09/05/2001 | CN1311757A Process for mfg. molecular sieves |
| 09/05/2001 | CN1311714A Desulphurization of exhaust gases using activated carbon catalyst |
| 09/05/2001 | CN1311707A ESRF coolant degassing process |
| 09/05/2001 | CN1311056A Photocatalyst granular and its prepn. method |
| 09/05/2001 | CN1311054A Electrolytic method for removing sulfur from gas |
| 09/05/2001 | CN1311053A Refining and recovering process for industrial by-product halogen hydride gas |
| 09/05/2001 | CN1311052A Method for removing sulphur oxide and nitrogen oxide from smoke |
| 09/05/2001 | CN1070457C Method for oxygen enrich from air |
| 09/05/2001 | CN1070387C Method for separating substances for a gaseoud medium by dry adsorption |
| 09/04/2001 | US6284940 Method for decomposing halogenated organic compound |
| 09/04/2001 | US6284807 Using a syngas feed which contains less than fifty parts per billion of a combined total amount of hcn and nh3. |
| 09/04/2001 | US6284705 Honeycomb-shaped |
| 09/04/2001 | US6284693 Sintered ceramic article; exhaust catalyst support |
| 09/04/2001 | US6284211 Cleaning exhaust gas using first catalyst of silver or silver oxide supported on alumina, and second catalyst of tungsten oxide or vanadium oxide supported on titania to expedite reaction of nitrogen oxides with oxygen-containing compounds |
| 09/04/2001 | US6284209 Molded article obtained by granulation, pelletization or extrusion of solid mixture of metal oxide selected from copper, lithium, nickel, iron, manganese and zinc and metal carbonate selected from manganese, nickel, copper and zinc |
| 09/04/2001 | US6284208 Method for removing mercury and sulfur dioxide from gases |
| 09/04/2001 | US6284202 Apparatus comprising structural microwave cavity, bed enclosed by said cavity composed of compound oxidation/reduction catalyst particles interspersed with microwave energy absorbing material, external microwave source, controller |
| 09/04/2001 | US6284199 Apparatus for control of mercury |
| 09/04/2001 | US6284026 Filtering, water eliminating, and lubricating compressed air valve structure |
| 09/04/2001 | US6284024 Fluid separation system |