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Preparation and characterization of NdSrCu1-xCoxO4 and SM1.8Ce0.2Cu1-xCoxO4 catalysts for NOx decomposition.

Chan Yan Chi Rosa. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2003. / Includes bibliographical references (leaves 70-71). / Abstracts in English and Chinese. / Abstract --- p.i / 論文摘要 --- p.ii / Acknowledgements --- p.iii / Table of Contents --- p.iv / List of Tables --- p.vii / List of Figures --- p.viii / Chapter Chapter 1. --- Introduction / Chapter 1.1 --- Nitrogen oxides --- p.1 / Chapter 1.1.1 --- NOx and their chemical and physical properties --- p.1 / Chapter 1.1.2 --- Sources and formation of NOx --- p.3 / Chapter 1.1.3 --- Evaluation of the impact of NOx on human health and environment --- p.4 / Chapter 1.2 --- Decomposition of NOx --- p.5 / Chapter 1.3 --- Perovskite-type oxides --- p.8 / Chapter 1.3.1 --- Structure and composition of perovsite-type oxides --- p.8 / Chapter 1.3.2 --- Preparation of perovskite-type oxides --- p.12 / Chapter 1.3.3 --- Literature review of perovskites for NOx decomposition --- p.14 / Chapter 1.4 --- Objective of the project --- p.16 / References --- p.17 / Chapter Chapter 2. --- Experimental / Chapter 2.1 --- Catalyst preparation --- p.20 / Chapter 2.2 --- Catalytic activity evaluation --- p.20 / Chapter 2.3 --- Catalyst characterization --- p.22 / Chapter 2.3.1 --- Powder X-ray diffraction (XRD) --- p.22 / Chapter 2.3.1.1 --- Theory --- p.22 / Chapter 2.3.1.2 --- Instrumentation --- p.23 / Chapter 2.3.2 --- "Brunauer, Emmett and Teller (BET)" --- p.26 / Chapter 2.3.2.1 --- Theory --- p.26 / Chapter 2.3.2.2 --- Experimental --- p.28 / Chapter 2.3.3 --- X-ray photoelectron spectroscopy (XPS) --- p.28 / Chapter 2.3.3.1 --- Theory --- p.29 / Chapter 2.3.3.2 --- Qualitative and quantitative analysis --- p.29 / Chapter 2.3.3.3 --- Instrumentation --- p.31 / Chapter 2.3.4 --- Thermogravimetric analysis (TGA) --- p.34 / Chapter 2.3.5 --- NO-temperature programmed desorption (NO-TPD) --- p.34 / Chapter 2.3.6 --- Titration method --- p.35 / References --- p.36 / Chapter Chapter 3. --- Preparation and Characterization of NdSrCu1-xCox04 and Sm1.8Ceo.2Cu1-xCox04 catalysts for NOx Decomposition / Chapter 3.1 --- Introduction --- p.38 / Chapter 3.2 --- Experimental --- p.39 / Chapter 3.3 --- Results --- p.40 / Chapter 3.3.1 --- "BET, XRD and chemical analysis studies" --- p.40 / Chapter 3.3.2 --- Catalytic activity --- p.43 / Chapter 3.3.3 --- XPS studies --- p.48 / Chapter 3.3.4 --- TGA and NO-TPD --- p.57 / Chapter 3.4 --- Discussion --- p.63 / Chapter 3.4.1 --- Catalytic performance --- p.63 / Chapter 3.4.2 --- Structural defects --- p.65 / Chapter 3.4.3 --- Oxidation states --- p.67 / Chapter 3.4.4 --- Copper ion redox ability --- p.68 / References --- p.70 / Chapter Chapter 4. --- Conclusion and Future Directions / Chapter 4.1 --- Conclusion --- p.72 / Chapter 4.2 --- Future directions --- p.73 / Chapter 4.2.1 --- Characterization of catalysts --- p.73 / Chapter 4.2.2 --- Reaction mechanism --- p.73 / Chapter 4.2.3 --- Variation of element in B-site --- p.74

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_324469
Date January 2003
ContributorsChan, Yan Chi Rosa., Chinese University of Hong Kong Graduate School. Division of Chemistry.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, ix, 74 leaves : ill. ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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