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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Bydrae tot die studie van metatesereaksies van onversadigde silane met Re207-katalisatore op draers

21 October 2015 (has links)
M.Sc. (Chemistry) / Please refer to full text to view abstract
2

Immobilized catalysts for alkene oxidation.

Malumbazo, Nandi. January 2007 (has links)
<p>Tertiary butyl substituted and unsubstituted Schiff base systems containing N,O donor ligands (Salicylaldimines) with aminotriethoxysilane tail were synthesized and complexed to Copper and Cobalt acetate. In this study, the effect of metal, reaction time, nature of oxidant (hydrogen peroxide tertiary butyl hydroperoxide), substituents on thel igand and substrate concentration, were investigated.</p>
3

An investigation of the catalytic properties of metal films

Ross, Laurence William 05 1900 (has links)
No description available.
4

Immobilized catalysts for alkene oxidation.

Malumbazo, Nandi. January 2007 (has links)
<p>Tertiary butyl substituted and unsubstituted Schiff base systems containing N,O donor ligands (Salicylaldimines) with aminotriethoxysilane tail were synthesized and complexed to Copper and Cobalt acetate. In this study, the effect of metal, reaction time, nature of oxidant (hydrogen peroxide tertiary butyl hydroperoxide), substituents on thel igand and substrate concentration, were investigated.</p>
5

High throughput experimentation and microkinetic modeling

Feist, Benjamin Jacob. January 2006 (has links)
Thesis (M.Ch.E.)--University of Delaware, 2006. / Principal faculty advisor: Jochen Lauterbach, Dept. of Chemical Engineering. Includes bibliographical references.
6

Immobilized catalysts for alkene oxidation

Malumbazo, Nandi January 2007 (has links)
Magister Scientiae - MSc / Tertiary butyl substituted and unsubstituted Schiff base systems containing N,O donor ligands (Salicylaldimines) with aminotriethoxysilane tail were synthesized and complexed to Copper and Cobalt acetate. The ligands were characterized by FTIR and 1 HNMR Spectroscopy. The complexes were characterized by elemental analysis, ESI-Mass spectrometry and IR spectroscopy Mesoporous silica supports (SBA-15 and MCM-41) were synthesized and characterized by Xray diffraction, BET surface analysis and SEM. The tertiary butyl substituted and unsubstituted copper and cobalt salicylaldimine complexes were immobilized on amorphous (Davisil silica gel) and mesoporous supports (SBA-15 and MCM-41). Immobilized catalysts were characterized with Atomic Absorption Spectroscopy, X-ray diffraction, BET surface analysis, IR spectroscopy and SEM. Immobilized catalysts were tested for cyclohexene oxidation using molecular oxygen as cooxidant and hydrogen peroxide as oxidant. In this study the effect of metal, reaction time, nature of oxidant (hydrogen peroxide tertiary butyl hydroperoxide), substituents on the ligand and substrate concentration were investigated. Allylic products were obtained at relatively high cyclohexene conversion. In addition to the above, homogeneous systems were compared with heterogeneous analogues. The former were found to have better selectivity than their heterogeneous analogues although there appears to be no significant difference in the activity. / South Africa
7

Syntheses, structures, and catalysis of polynuclear metal complexes

Liu, Hongying 05 1900 (has links)
No description available.
8

Preparation, characterization and performance of non-uniform metal catalysts

Shyr, Yen-Shin 12 1900 (has links)
No description available.
9

CO hydrogenation over silica supported ruthenium-copper bimetallic catalists

Huh, Billy K. 12 1900 (has links)
No description available.
10

TPD/TPR study of CO and H[subscript]2 interactions with supported nickel catalysts

Garner, Gary Dean 12 1900 (has links)
No description available.

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