| 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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| 05/25/2004 | US6740145 Desiccants and desiccant packages for highly moisture-sensitive electronic devices |
| 05/25/2004 | US6740143 Mixed matrix nanoporous carbon membranes |
| 05/25/2004 | US6740140 Hollow fiber membrane system assembly with an internal reflux system |
| 05/25/2004 | US6739176 Process for checking the operability of an exhaust gas purification catalyst |
| 05/25/2004 | US6739142 Membrane desiccation heat pump |
| 05/25/2004 | US6739124 Exhaust gas purification system |
| 05/25/2004 | CA2325846C Honeycomb structure |
| 05/25/2004 | CA2275685C Improved fluid fractionator |
| 05/21/2004 | WO2004042857A1 Method and device for purifying air for fuel cells |
| 05/21/2004 | WO2004042841A2 Oxygen permeable electrode system |
| 05/21/2004 | WO2004042222A1 Exhaust system and method for operating the same |
| 05/21/2004 | WO2004042209A1 Device and method for dosing and transporting dry urea, especially during the implementation of the scr method in motor vehicles |
| 05/21/2004 | WO2004042208A1 Device for the secondary treatment of the exhaust gas of an internal combustion engine |
| 05/21/2004 | WO2004042207A1 Method for aftertreatment of exhaust gases and exhaust gas aftertreatment array |
| 05/21/2004 | WO2004041713A2 Zeolite ssz-54 |
| 05/21/2004 | WO2004041425A1 Electrical heating reactor for gas phase reforming |
| 05/21/2004 | WO2004041416A1 Heat integration system for natural gas liquefaction |
| 05/21/2004 | WO2004041415A1 Semiconductor manufacturing facility and process systems utilizing exhaust recirculation |
| 05/21/2004 | WO2004041414A1 Process for separating a fluid component from a fluid mixture by sorption using microchannel process technology |
| 05/21/2004 | WO2004041413A2 Acoustical stimulation of vapor diffusion system and method |
| 05/21/2004 | WO2004041316A1 Plasma treatment module-equipped sterilization apparatus and sterilization method |
| 05/21/2004 | WO2004029518A9 Environmental control unit, and air handling systems and methods using same |
| 05/21/2004 | WO2004027226A9 Method and apparatus for reducing a nitrogen oxide |
| 05/21/2004 | WO2004016296A3 Apparatus for catalysing a reaction in a fluid material |
| 05/21/2004 | WO2003099966A8 Hot-humid/cold gas scrubbing process and apparatus |
| 05/21/2004 | WO2003095917A3 Sorptive heat exchanger and related cooled sorption process |
| 05/21/2004 | WO2003086605A3 Functionalized ionic liquids, and methods of use thereof |
| 05/21/2004 | CA2506770A1 Acoustical stimulation of vapor diffusion system and method |
| 05/20/2004 | US20040097700 Collecting facility of high melting point component in gas and collecting facility of dihalogenated aromatic compound in gas |
| 05/20/2004 | US20040097371 Application of conductive adsorbents, activated carbon granules and carbon fibers as substrates in catalysis |
| 05/20/2004 | US20040097370 Honeycomb structure and process for production thereof |
| 05/20/2004 | US20040096689 Sheet-metal foil with sliding structure, honeycomb body and process for producing the same |
| 05/20/2004 | US20040096625 Honeycomb structure and assembly thereof |
| 05/20/2004 | US20040096390 Flue gas desulfurization apparatus and flue gas desulfurization system, and method for operating flue gas desulfurization apparatus |
| 05/20/2004 | US20040096381 Process and apparatus for recovering sulphur from a gas stream containing sulphide |
| 05/20/2004 | US20040096376 The emitter and/or collector-electrode arrays are removable and returnable through an upper portion of the housing for cleaning |
| 05/20/2004 | US20040096374 Exhaust-gas purifying apparatus |
| 05/20/2004 | US20040096373 Exhaust-gas purifying apparatus |
| 05/20/2004 | US20040096371 Shaped bodies in the housing of metallic fiber composite are used for diversion, particulate retention and muffling |
| 05/20/2004 | US20040094707 Materials and apparatus for the detection of contraband |
| 05/20/2004 | US20040094401 Having means for causing entrapment on the said surface of selected species or particulate matter in the gaseous medium |
| 05/20/2004 | US20040094216 Rotary sequencing valve with flexible port plate |
| 05/20/2004 | US20040094132 Evaporation fuel treating device |
| 05/20/2004 | US20040094036 Truck air dryer purge air cleaner |
| 05/20/2004 | US20040094035 Method and apparatus to improve catalyzed hydrocarbon trap efficiency |
| 05/20/2004 | US20040093861 Exhaust gas purification apparatus |
| 05/20/2004 | US20040093860 Method for reducing waste oxide gas emissions in industrial processes |
| 05/20/2004 | US20040093859 Apparatus for emissions control, systems, and methods |
| 05/20/2004 | US20040093858 Exhaust gas purifier |
| 05/20/2004 | US20040093855 System and method for reducing nitrogen oxides in combustion exhaust streams |
| 05/20/2004 | US20040093853 Maintaining temperature >/= 70 degrees c; reducing the concentration of a gas stream component |
| 05/20/2004 | US20040093796 Synthetic gas manufacturing plant and synthetic gas manufacturing method |
| 05/19/2004 | EP1420197A1 Rotary sequencing valve with flexible port plate |
| 05/19/2004 | EP1420149A2 Exhaust gas purification apparatus |
| 05/19/2004 | EP1419993A2 Ozone supplying apparatus |
| 05/19/2004 | EP1419992A2 Synthetic gas manufacturing plant and synthetic gas manufacturing method |
| 05/19/2004 | EP1419816A1 Honeycomb structural body for exhaust emission control and honeycomb catalyst body for exhaust emission control |
| 05/19/2004 | EP1419810A1 Exhaust gas purifying catalyst |
| 05/19/2004 | EP1419676A2 Ultraviolet radiation generation with flame and electrical discharge |
| 05/19/2004 | EP1419350A1 Wind energy installation |
| 05/19/2004 | EP1419349A1 Air purification device |
| 05/19/2004 | EP1419309A1 Exhaust gas purification system and method for internal combustion engine |
| 05/19/2004 | EP1419105A1 Zeolite ssz-60 |
| 05/19/2004 | EP1419002A1 Non-thermal plasma reactor |
| 05/19/2004 | EP1189681B1 Device for cleaning flue gas |
| 05/19/2004 | EP1171384A4 Proton conducting membrane using a solid acid |
| 05/19/2004 | EP1144334A4 Fabrication of ultra low thermal expansion cordierite structures |
| 05/19/2004 | EP1068012B1 Catalytically active structure |
| 05/19/2004 | DE20306251U1 Adsorption filter material, e.g. used in air filters, comprises adsorption layer made from first activated charcoal layer with granular and/or spherical activated charcoal between first and second layers |
| 05/19/2004 | DE20306250U1 Filter unit, used e.g. in air conditioners, comprises filter element containing granular spherical activated charcoal, and filter element containing combination of granular spherical activated charcoal and activated charcoal fibers |
| 05/19/2004 | DE10350373A1 Nahtloser Katalysator, der einen inneren Hitzeschild aufweist Seamless catalyst comprising an inner heat shield |
| 05/19/2004 | DE10348501A1 Unblockable molding used e.g. as a biological- or chemical catalyst substrate, or for thermal regeneration, includes slot opening in bridges between channels |
| 05/19/2004 | DE10251588A1 Reprocessing internal combustion engine exhaust gas involves partial chemical conversion of auxiliary material into material that lowers liquid freezing point if temperature falls below critical value |
| 05/19/2004 | DE10251498A1 Process and assembly to release urea pellets to automotive exhaust gases at a controlled rate regulated by a rotating disc with compressed air supply |
| 05/19/2004 | DE10251472A1 Reduction of automotive nitrous oxide emissions during cold start comprises supplementary injection of ammonia from holding reservoir |
| 05/19/2004 | DE10251008A1 Flue gas purification method involves using granular filter insert comprising high-temperature fired clay spheres of specified diameter and porosity |
| 05/19/2004 | DE10250793A1 Apparat zur Erzeugung von Wasserstoff und Verfahren zum Betrieb eines solchen Apparats An apparatus for producing hydrogen and method for operating such apparatus |
| 05/19/2004 | DE10249609A1 Verfahren zur Steuerung eines NOx-Speicherkatalysators A method for controlling a NOx storage catalytic converter |
| 05/19/2004 | DE10126456B4 Vorrichtung und Verfahren zur Entfernung von Stickoxiden aus dem Abgas mager betriebener Brennkraftmaschinen Apparatus and method for removing nitrogen oxides from the exhaust lean-powered internal combustion engines |
| 05/19/2004 | DE10012369B4 Verfahren zum Entfernen von kondensationsfähigen, verflüssigten Feststoffen mit einem Räumstempel A process for removing condensable, liquefied solids with a Räumstempel |
| 05/19/2004 | CN2616280Y Efficient wet desulfurizing dust-removing apparatus |
| 05/19/2004 | CN2616279Y Electronic beam ammonia flue gas desulfurizing and denitrating apparatus |
| 05/19/2004 | CN2616278Y Primary absorbing system towers for urea apparatus |
| 05/19/2004 | CN2616277Y Adsorptive-process waste gas continuous recovery and utilization apparatus |
| 05/19/2004 | CN1498328A Method and system for treating exhaust gas |
| 05/19/2004 | CN1498305A Exhaust gas purification system and method for internal-combustion engine |
| 05/19/2004 | CN1498128A Oxygen-enhanced CDA modification to CDO integrated scrubber |
| 05/19/2004 | CN1497210A Exhause control method of N20 and NOx in conbustion device |
| 05/19/2004 | CN1497041A Method for increasing working efficiency of diesel fuel combustion treatment system |
| 05/19/2004 | CN1496758A Ceramic caltalyst |
| 05/19/2004 | CN1496753A Flue-gas desulfurization system with stepped tray |
| 05/19/2004 | CN1496752A Method for reducing waste oxide gas discharge |
| 05/19/2004 | CN1150147C Process for drying difluoromethane |
| 05/19/2004 | CN1150144C CO2 removal from fluorocarbons by semipermeable membrane |
| 05/19/2004 | CN1150143C Separation of CO2 from unsaturated fluorinated compounds by semipermeable membrane |
| 05/19/2004 | CN1150054C Removal method of NOx and SOx emissions from pickling lines for metal treatment |
| 05/19/2004 | CN1150053C PSA apparatus and process using adsorbent mixtures |
| 05/18/2004 | US6737491 Absorbent binder composition and method of making same |
| 05/18/2004 | US6737361 Method for H2 Recycling in semiconductor processing system |
| 05/18/2004 | US6737146 Bedding mat for supporting an exhaust gas catalyst |