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Title:The Surface Reaction Mechanisms of Beta-Diketones on Transition Metal Surfaces Including Applications to Metal Thermal Chemical Vapor Etching and Heterogeneous Catalyst Particle Redispersion
Author(s):Nigg, Herbert Lee
Doctoral Committee Chair(s):Masel, Richard I.
Department / Program:Chemical Engineering
Discipline:Chemical Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:Ph.D.
Genre:Dissertation
Subject(s):Engineering, Materials Science
Abstract:Investigation of the interactions of beta-diketones was also done on alumina and gamma-alumina supported Pd catalysts in an attempt to alter Pd particle dispersion. Low-temperature redispersion of a sintered 5% Pd/gamma-alumina catalyst was most successful via exposure to oxygen and acetylacetone at ∼560 K for 8 hours. A bimodal distribution of CO desorption states was achieved, at 405 K and 585 K, with more CO desorbing from the high-temperature state. This indicated a decrease in Pd particle size relative to the sintered and, to some extent, untreated catalyst samples. Surface mechanisms were not investigated in this particular study.
Issue Date:1999
Type:Text
Language:English
Description:346 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1999.
URI:http://hdl.handle.net/2142/82465
Other Identifier(s):(MiAaPQ)AAI9921718
Date Available in IDEALS:2015-09-25
Date Deposited:1999


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