Search for dissertations about: "Rhodium"

Showing result 21 - 25 of 67 swedish dissertations containing the word Rhodium.

  2. 21. Catalytic conversion of syngas to ethanol and higher alcohols over Rh and Cu based catalysts

    Author : Luis Gagarin Lopez Nina; Magali Boutonnet; Mario Montes Ramírez; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; thermochemical process; ethanol; higher alcohols; mesoporous catalysts; rhodium; copper; metal promoters; Chemical Engineering; Kemiteknik;

    Abstract : The thermochemical process converts almost any kind of biomass to a desired final product, i.e. gaseous or liquid transportation fuels and chemicals. The transportation fuels obtained in this way are renewable biofuels, which are alternatives to fossil fuels. READ MORE

  4. 22. New Materials in Environmental Catalysis

    Author : Magnus Skoglundh; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Cobalt; Copper; Xylene oxidation; Platinum; Carbon monoxide oxidation; exhaust gas catalysis; Rhodium; Palladium; Nitric oxide reduction; perovskites;

    Abstract : This thesis presents new approaches to the control of emissions within the field of environmental catalysis. Three catalytic systems; bimetallic catalysts, perovskites and promoted catalysts have been prepared and evaluated for complete oxidation of volatile organic compounds and for simultaneous conversion of CO, hydrocarbons and nitrogen oxides. READ MORE

  5. 23. Structural deactivation of supported metal catalysts

    Author : Bertil Stenbom; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; CO-TPD; alumina; ceria; catalyst; TEM; rhodium; sintering; noble metal; platinum; deactivation;

    Abstract : .... READ MORE

  6. 24. Stereoselective Synthesis of Amino Alcohols : Applications to Natural Product Synthesis

    Author : Staffan Torssell; Peter Somfai; Pher G Andersson; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Amino alcohol; asymmetric 1.3-dipolar cycloaddition; azomethine ylide; carbenoid; carbonyl ylide; cross-metathesis; omuralide; oxazolidine; rhodium; sphingosine; stemoamide; stereoselective synthesis; total synthesis.; Organic chemistry; Organisk kemi;

    Abstract : This thesis is divided into four separate parts with amino alcohols as the common feature. The first part of the thesis describes the development of an efficient three-component approach to the synthesis of α-hydroxy-β-amino esters. READ MORE

  7. 25. Oxidation and Reconstructions of Alloy Model Catalysts : Platinum-Rhodium and Palladium-Gold

    Author : Helen Edström; Synkrotronljusfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Alloying; APXPS; Bimetallic Catalysts; Heterogeneous Catalysis; HESXRD; Oxidation; Oxide Formation; Palladium-Gold; Platinum-Rhodium; Surface Reconstruction; Fysicumarkivet A:2023 Edström;

    Abstract : Alloys and bimetallic systems have shown many advantages in heterogeneous catalysis, but the details of their catalytic functions are not always known. For instance, the atomic details about surface reconstructions under catalytic reaction conditions, or which phases that are high-active or low-active. READ MORE