Thesis (Ph. D.)--Ohio state University, 1909. / Bibliography: p. 31-33.

Graduation date: 1991

No description available.

Thesis (M.Sc.). / Written for the Dept. of Natural Resource Sciences. Title from title page of PDF (viewed 2008/12/09). Includes bibliographical references.

Thesis (Ph. D.) -- California Institute of Technology, 2009. / Title from home page (viewed 03/03/2010). Advisor and committee chair names found in the thesis' metadata record in the digital repository. Includes bibliographical references.

Several aspects of the production of cerium by electrolytic reduction were investigated to determine more efficient operation. The solubility of cerium oxide in a molten fluoride salt bath(CeF₃, BaF₂, LiF) was determined by measuring the change in electrical conductivity of the bath as a function of added cerium oxide. The saturation solubility was found to be 2.9 wt% at 900 °C. The solubility was found to increase with temperature. Increasing the cerium fluoride content of the electrolyte also showed a small increase in the solubility. There was no difference found between the solubility of cerous oxide and eerie oxide. A heat balance model of a pilot plant scale cerium electrowinning cell was developed to improve cell design. The results of the model showed that most of the heat is lost through the anodes. The model showed that reducing the number of anodes and increasing their size would reduce heat losses, and thus improve cell operation. Increasing the-amount of insulation would reduce heat losses and make maintenance of the cell easier. It was also found that the production of lanthanum, praseodymium, and neodymium by electrolytic reduction of their respective oxides would be feasible. / Applied Science, Faculty of / Mining Engineering, Keevil Institute of / Graduate

Thesis (Ph.D.)--University of Western Australia, 2006.

Mak, Chun Chung. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2007. / Includes bibliographical references (leaves 83-85). / Abstracts in English and Chinese. / ABSTRACT --- p.iv / DECLARATION --- p.vi / ACKNOWLEDGEMENT --- p.vii / TABLE OF CONTENTS --- p.ix / LIST OF TABLES --- p.xii / LIST OF FIGURES --- p.xiii / Chapter Chapter One: --- Overview --- p.1 / Introduction to Cerium Oxide --- p.1 / Defects --- p.2 / Effect of dopants --- p.5 / Nano-structures of ceria --- p.8 / Loading metals in ceria supports --- p.10 / Summary --- p.11 / Scope of work --- p.12 / References --- p.14 / Chapter Chapter Two: --- Synthesis of Ceria Nano-feathers / Introduction --- p.17 / Experimental Section (Preparation of nano feathers) --- p.19 / Experimental Section (Preparation of conventional ceria spheres) --- p.19 / Experimental Section (Encapsulation the feather with gold) --- p.19 / Experimental Section (Instrumentation) --- p.20 / Results and Discussion (XRD) --- p.22 / Results and Discussion (SEM) --- p.23 / Results and Discussion (TEM) --- p.24 / Formation Mechanism --- p.30 / Results and Discussion (Nano-beam diffraction) --- p.33 / Results and Discussion (HREM) --- p.35 / Results and Discussion (TEM of gold encapsulated ceria) --- p.36 / Results and Discussion (XPS) --- p.39 / Summary --- p.41 / References --- p.41 / Chapter Chapter Three: --- Preparation of Homogenous Cerium Mixed Oxide Nano-feathers --- p.43 / Introduction --- p.43 / Experimental Section (Preparation of nano-feathers) --- p.44 / Experimental Section (Instrumentation) --- p.45 / Results and Discussion (XRD) --- p.47 / Results and Discussion (XPS) --- p.49 / Results and Discussion (TEM and EELS) --- p.56 / Summary --- p.64 / References --- p.64 / Chapter Chapter Four: --- Engineering Ceria Nano-feathers with Noble Metals: A Sono-chemistry approach --- p.66 / Introduction --- p.66 / Experimental Section (Sample Preparation) --- p.68 / Experimental Section (Instrumentation) --- p.69 / Results and Discussion (XRD) --- p.70 / Results and Discussion (XPS) --- p.71 / Results and Discussion (TEM and HREM) --- p.76 / Summary --- p.82 / References --- p.84 / Conclusions --- p.86

No description available.

No description available.