| ABSTRACT | 第1-12页 |
| 摘要 | 第12-14页 |
| Table of Contents | 第14-18页 |
| List of Schemes, Figures and Tables | 第18-21页 |
| List of Schemes | 第18页 |
| List of Figures | 第18-19页 |
| List of Tables | 第19-21页 |
| Abbreviations | 第21-23页 |
| Chapter 1 General introduction | 第23-51页 |
| ·Sulfur in fuel oils | 第23-24页 |
| ·Types of S-compound in fuel oils | 第24-26页 |
| ·Permissible limits of S in fuel oils | 第26-27页 |
| ·History of desulfurization | 第27-28页 |
| ·Techniques used for the desulfurization of fuel oils | 第28-35页 |
| ·Oxidative desulfurization | 第29-31页 |
| ·Biodesulfurization process | 第31-32页 |
| ·Adsorption desulfurization | 第32-33页 |
| ·Extractive desulfurization | 第33-34页 |
| ·Hydrodesulfurization (HDS) process | 第34-35页 |
| ·Chemical aspects of HDS process | 第35-42页 |
| ·Chemical nature of the HDS catalyst | 第35-37页 |
| ·Presulfidation of HDS catalyst | 第37-39页 |
| ·Role of catalytic support in HDS catalyst | 第39-40页 |
| ·Role of additives used during HDS process | 第40-42页 |
| ·Utilization of hydrogen in HDS reaction | 第42-44页 |
| ·External hydrogen supply based (ex situ) HDS process | 第42-43页 |
| ·Internal generated hydrogen based (in situ) HDS process | 第43-44页 |
| ·Mechanism of HDS reaction | 第44-47页 |
| ·Direct desulfurization (DDS) pathway | 第45-46页 |
| ·Hydrogenolysis/Hydrogenation (HYD) pathway | 第46-47页 |
| ·Practical implementation/mechanization of HDS process | 第47-49页 |
| ·Fixed bed column (continuous) HDS process | 第48页 |
| ·Autoclave (batch reactor) HDS process | 第48-49页 |
| ·Conclusions, aims and objectives | 第49-51页 |
| Chapter 2 HDS of DBT over Ru promoted catalysts using in situ hydrogen generated via ethanolreforming reaction | 第51-71页 |
| ·Chemicals | 第51-52页 |
| ·Analytical instruments used for characterization | 第52-53页 |
| ·HPLC analysis | 第52-53页 |
| ·GC-MS Analysis | 第53页 |
| ·Characterization of fresh and spent catalytic samples | 第53页 |
| ·HDS of DBT using Ru promoted Mo based catalyst | 第53-56页 |
| ·Experimental | 第54-56页 |
| ·Catalyst preparation | 第54-55页 |
| ·Support and catalysts characterization | 第55页 |
| ·HDS activity of the catalysts using model fuel | 第55页 |
| ·Product Analyses | 第55-56页 |
| ·Results and discussion | 第56-69页 |
| ·Textural properties of support and catalysts | 第56-58页 |
| ·HDS activity | 第58-65页 |
| ·Product distribution and GC-MS analyses | 第65-69页 |
| ·Conclusions | 第69-71页 |
| Chapter 3 HDS of DBT over Pd promoted catalysts using in situ hydrogen generated via Ethanol reforming reaction | 第71-91页 |
| ·Experimental | 第72-74页 |
| ·Catalysts preparation | 第72-73页 |
| ·Characterization of support and catalysts for textural properties | 第73页 |
| ·HDS activity of the catalysts using DBT as model fuel | 第73页 |
| ·Pressure gradient during in situ hydrogen based HDS process | 第73-74页 |
| ·Product analyses | 第74页 |
| ·Results and discussion | 第74-88页 |
| ·Textural properties of the support, fresh and spent catalysts | 第74-76页 |
| ·HDS catalytic activity measurement | 第76-86页 |
| ·Product distribution and GC-MS analyses | 第86-88页 |
| ·Conclusions | 第88-91页 |
| Chapter 4 HDS of DBT over Pd promoted catalysts using in situ hydrogen generated via methanolreforming reaction | 第91-109页 |
| ·Experimental | 第91-93页 |
| ·Catalysts preparation | 第92页 |
| ·Characterization of the catalysts | 第92页 |
| ·Catalytic activity measurement in terms of HDS of DBT | 第92-93页 |
| ·Pressure variation during HDS process | 第93页 |
| ·Characterization and analyses of HDS products | 第93页 |
| ·Results and discussion | 第93-106页 |
| ·Textural properties of the native support and catalysts | 第93-95页 |
| ·Catalytic activity measurements for methanol reforming and HDS of DBT reactions | 第95-103页 |
| ·GC-MS analyses and product distribution | 第103-106页 |
| ·Conclusions | 第106-109页 |
| Chapter 5 Comparative analysis of the successive improvements in the current in situ HDS process | 第109-119页 |
| ·Comparative analysis of ethanol and methanol reforming reactions | 第109-113页 |
| ·Effect of different noble metals promotion | 第113-115页 |
| ·Effect of temperature on HDS process | 第115-117页 |
| ·Conclusions | 第117-119页 |
| Chapter 6 Conclusions and future plans | 第119-123页 |
| ·Conclusions | 第119-121页 |
| ·Future plans | 第121-123页 |
| References | 第123-137页 |
| Acknowledgements | 第137-139页 |
| List of Publications | 第139-141页 |
| Resume of the author | 第141-143页 |
| Resume of the Supervisor | 第143-144页 |
| 博士研究生学位论文答辩委员会决议书 | 第144-145页 |
