Date of Award

5-13-2009

Document Type

Thesis

Degree Name

Chemistry, MS

First Advisor

Mark Draganjac

Committee Members

Ellis Benjamin; Scott Reeve

Call Number

LD 251 .A566t 2009 C35

Abstract

In order to remove sulfur from fossil fuels during the HDS process, RuS2 has been applied for decades. However, the real mechanism for removing sulfur by using RuS2 is vague. The RuS2 model compound studies are in demand to understand the interaction between substrates and catalysts during the HDS process. The model compounds such are thiophene compounds, η1,S-thiophene complexes, π-complexes of benzo- and dibenzothiophenes and Ru-S compounds. Ru-DMSO is a versatile starting reagent for preparing Ru compounds. Compare literature preparation of Ru-DMSO complexes with microwave synthesis, microwave technique improve the preparation of Ru-DMSO compounds. The reaction time was reduced from approximately three hours to a few minutes epending on the Ru-DMSO compound's components and structure. Studying the thermal properties of Ru(dmso)xCly compounds may help understand the HDS process. Trans-[H(dmso)2]Ru(dmso)2Cl4 showed four stages DMSOs loss in TGA mass loss curve. The onset reaction temperature was different between cis- and transisomers of Ru-DMSO complexes in TGA plots due to the trans influence and the bond lengths between Ru and ligands.

Rights Management

Creative Commons Attribution 4.0 International License
This work is licensed under a Creative Commons Attribution 4.0 International License.

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