Oxidation of Carbon Monoxide Over Ceria and Alumina Supported Palladium Catalysts

<p>Palladium catalysts on both Al2O3 and CeO2, supports were studied for efficacy in low temperature carbon monoxide oxidation. Calcination temperatures were varied between 500-900°C for alumina supported catalysts and shown to have no significant difference in activity. X-Ray Photoelectron Spectroscopy studies revealed structural changes associated with palladium states and reacted catalysts and displayed a change from palladium oxide (PdO) to native palladium oxide (PdOx) and elemental palladium (Pd). Activity studies were conducted on all catalysts synthesized and indicated that Pd/Al2O3 achieved 100% CO conversion at 150°C when calcined at 500°C and pretreated with reduction process. Pd/CeO2 showed higher activity and achieved 100% CO conversion at 80°C. Stochiometric mixtures of CO and O2 as well as excess oxygen resulted in higher conversion CO.</p>

Name thesis:degree_name

Chemistry

Level thesis:degree_level

Thesis

Discipline thesis:degree_discipline

Chemistry

Year dc:date.available

2018

Author dc:creator

• Gary, John Davis

Contributors dc:contributor

• Dr. Anil C. Banerjee
• Dr. Daniel Holley
• Dr. Jonathan Meyers

• Palladium Catalysts
• Al2O3
• CeO2
• Efficacy
• Palladium Oxide
• PdO
• Chemistry
• Inorganic Chemistry

Language dc:language

English

Repository record dc:identifier

https://csuepress.columbusstate.edu/theses_dissertations/426

OAI identifier oai:identifier

oai:csuepress.columbusstate.edu:theses_dissertations-1427