Sökning: "Catalytic partial oxidation"

Visar resultat 6 - 10 av 24 avhandlingar innehållade orden Catalytic partial oxidation.

  1. 6. Development of catalysts for natural gas-fired gas turbine combustors

    Författare :Sara Eriksson; Magali Boutonnet; Pio Forzatti; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; AZEP; catalytic combustion; CPO; methane oxidation; palladium; rhodium; support effect; Chemical engineering; Kemiteknik;

    Sammanfattning : Due to continuously stricter regulations regarding emissions from power generation processes, further development of existing gas turbine combustors is essential. A promising alternative to conventional flame combustion in gas turbines is catalytic combustion, which can result in ultralow emission levels of NOx, CO and unburned hydrocarbons. LÄS MER

  3. 7. Development of Methanol-Reforming Catalysts for Fuel Cell Vehicles

    Författare :Johan Agrell; KTH; []
    Nyckelord :PEM fuel cells; hydrogen; methanol; reforming; oxidation; reaction pathways; carbon monoxide;

    Sammanfattning : Vehicles powered by proton exchange membrane (PEM) fuelcells are approaching commercialisation. Being inherently cleanand efficient sources of power, fuel cells constitute asustainable alternative to internal combustion engines to meetfuture low-emission legislation. LÄS MER

  4. 8. Development of a methanol reformer for fuel cell vehicles

    Författare :Bård Lindström; KTH; []
    Nyckelord :methanol; fuel cell vehicles; reforming; catalysis; partial oxidation; steam reforming; combined reforming;

    Sammanfattning : Vehicles powered by fuel cells are from an environmentalaspect superior to the traditional automobile using internalcombustion of gasoline. Power systems which are based upon fuelcell technology require hydrogen for operation. The ideal fuelcell vehicle would operate on pure hydrogen stored on-board. LÄS MER

  5. 9. Adsorption, desorption, and redox reactions at iron oxide nanoparticle surfaces

    Författare :Lelde Krumina; MEMEG; []
    Nyckelord :Ferrihydrite; Goethite; Secondary metabolites; Reductive dissolution; Catalytic oxidation; hydroxyl radicals; Fenton reaction; SOM decomposition;

    Sammanfattning : Iron oxide nanoparticles are involved in several important biogeochemical processes. The interfaces between aqueous solutions and iron oxide nanoparticle surfaces are found everywhere in nature, and the chemical and microbial processes occurring at these complex interfaces control e.g. nutrient and contaminant availability and transport. LÄS MER

  7. 10. Direct conversion of methane-to-methanol in Cu-exchanged small-pore zeolites

    Författare :Unni Engedahl; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; partial methane oxidation; SSZ-13; density functional theory; catalysis; micro-kinetic modeling; zeolites; CHA; copper;

    Sammanfattning : Fossil fuel consumption continuous to increase worldwide and of all the fossil fuels, natural gas is growing the most. The combustion of natural gas, which mainly contains methane, is more environmentally friendly than oil or coal thanks to its high specific energy. LÄS MER