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Skip to Search Results- 1Antwi Peprah, Benjamin
- 1Beckers, Nicole
- 1Bunquin, Jeffrey
- 1Chakrabarti, D.
- 1Corkum, Elizabeth G
- 1D. E. Sparks
- 14Graduate and Postdoctoral Studies (GPS), Faculty of
- 14Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 1Helmholtz-Alberta Initiative
- 1Helmholtz-Alberta Initiative/Journal Articles & Research Abstracts (Helmholtz-Alberta Initiative)
- 1ERA General Collection
- 1ERA General Collection/Research Materials (ERA General)
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Synthesis and screening of heterogeneous multimetallic nanoparticle catalysts for mono-, poly- and heteroaromatic hydrogenation activity under mild conditions
DownloadFall 2011
Nanoparticle catalysts have shown to be advantageous over traditional catalysts for many reasons and active for a wide variety of reactions. This thesis describes an approach for the synthesis and screening of heterogeneous multimetallic nanoparticle catalysts for aromatic hydrogenation activity...
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Fall 2011
Large polycyclic aromatic nitrogen containing asphaltene model compounds, with molecular weights from 535 to 702 g/mol, were catalytically hydrogenated and hydrodenitrogenated in the presence of a commercial NiMo/γAl2O3 catalyst in a stainless steel batch reactor at 370 °C and 17.9 MPa total...
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Spring 2011
The Noyori-type catalyst trans-Ru((R)-BINAP)(H)2((R,R)-dpen) (6) and its analogues are among the most active and enantioselective ketone hydrogenation systems reported to date. Its applications towards other types of carbonyl compounds are, however, understudied. This dissertation describes the...
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Fall 2011
This thesis focuses on synthesis, characterization and catalytic applications of iron-based nanoparticles (NPs) in Suzuki-Miyaura cross-coupling reactions. Palladium “decorated” Fe@FexOy NPs (Fe@FexOy/Pd NPs) were prepared making use of established reducing nature and coordinating ability of the...
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Empowering the Base Metals: Rational Design of Homogeneous Catalysts for Hydrotreatment, and Reduction of Organic Unsaturates
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Hydrocarbon-soluble, low-coordinate, phosphoranimide-supported complexes of the base metals (iron, cobalt and nickel) were developed and evaluated for a range of stoichiometric and catalytic bond-forming and bond-breaking transformations. An unprecedented family of tetrametallic clusters of Co(I)...
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The Synthesis of Rhodium Catalyst-Organic Frameworks for Isomerization and Continuous-Flow Hydrogenation Reactions
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The development of immobilized asymmetric catalysts is of vital importance as it would allow for easy catalyst recovery from the reaction mixture and reuse. One strategy for immobilization involves the synthesis of insoluble polymer-supported catalysts. Most polymeric catalysts are made by...
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Characterization of asphaltene molecular structures by cracking under hydrogenation conditions and prediction of the viscosity reduction from visbreaking of heavy oils
DownloadSpring 2013
The chemical building blocks that comprise petroleum asphaltenes were determined by cracking samples under conditions that minimized alterations to aromatic and cycloalkyl groups. Hydrogenation conditions that used tetralin as hydrogen-donor solvent, with an iron-based catalyst, allowed...
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Design, Development and Mechanistic Study of Ruthenium-Based Catalysts for the Hydrogenation of Imides and Amides
DownloadSpring 2014
Prior mechanistic studies demonstrate that trans-[RuH2((R)-BINAP)((R,R)-dpen)] is a remarkably active carbonyl reducing agent at low-temperatures in THF-d8. This dissertation describes the monohydrogenation of cyclic meso-imides using this catalyst and related complexes under mild conditions....