| 摘要 | 第5-7页 |
| Abstract | 第7-8页 |
| Chapter 1 Introduction | 第12-18页 |
| 1.1 Background | 第12-14页 |
| 1.2 Objectives and Significance | 第14-15页 |
| 1.3 Thesis Outline | 第15-18页 |
| Chapter 2 Literature Review | 第18-36页 |
| 2.1 Nitric Oxides | 第18-20页 |
| 2.1.1 Sources of NO_x | 第18页 |
| 2.1.2 NO_x Emission in China | 第18-20页 |
| 2.2 Low-NO_x Emission Strategy | 第20-25页 |
| 2.2.1 NO_x Formation During Fuel Combustion | 第20-22页 |
| 2.2.2 NO_x Reduction Technologies | 第22-25页 |
| 2.3 Decoupling Combustion (DC) for Lowering NO_x Emission | 第25-36页 |
| 2.3.1 Principle of Decoupling and DC Technology | 第25-27页 |
| 2.3.2 Low-NO_x Emission in Grate-Based DC | 第27-29页 |
| 2.3.3 Low-NO_x Emission in CFBDC | 第29-36页 |
| Chapter 3 Material and Methodology | 第36-56页 |
| 3.1 Preparation of NO-Reduction Reagents | 第36-41页 |
| 3.1.1 Feedstock Material | 第36页 |
| 3.1.2 Pyrolysis Setup and Procedure | 第36-39页 |
| 3.1.3 Characteristics of NO-Reduction Reagents | 第39-41页 |
| 3.2 Experimental Drop-Tube Reactor for NO-Reduction Evaluation | 第41-48页 |
| 3.2.1 Main Chamber | 第41-42页 |
| 3.2.2 Heating Control System | 第42-43页 |
| 3.2.3 Reagent-Feeding System | 第43-46页 |
| 3.2.4 Flue-Gas Supplying System | 第46-47页 |
| 3.2.5 Sampling and Analyzing System | 第47-48页 |
| 3.3 Experimental Procedure | 第48-56页 |
| 3.3.1 Procedure and Analysis | 第48-50页 |
| 3.3.2 Validation of Experimental Setup Conditions | 第50-56页 |
| Chapter 4 NO Reduction by Biomass Pyrolysis Products | 第56-74页 |
| 4.1 Introduction | 第56页 |
| 4.2 Experimental Conditions | 第56-57页 |
| 4.3 Results and Discussion | 第57-72页 |
| 4.3.1 NO Reduction Varying with Reagent Feeding Rate | 第57-60页 |
| 4.3.2 NO Reduction Varying with SR | 第60-64页 |
| 4.3.3 NO Reduction Varying with Reaction Temperature | 第64-65页 |
| 4.3.4 NO Reduction Varying with Residence Time | 第65-66页 |
| 4.3.5 NO Reduction Varying with Flue Gas Composition | 第66-72页 |
| 4.4 Conclusions | 第72-74页 |
| Chapter 5 Synergetic Effect Among Pyrolysis Products inReducing NO | 第74-88页 |
| 5.1 Introduction | 第74页 |
| 5.2 Experimental Conditions | 第74-76页 |
| 5.3 Results and Discussion | 第76-87页 |
| 5.3.1 Synergetic Effect of Binary Reagent | 第76-81页 |
| 5.3.2 Synergetic NO Reduction Varying with Reaction Temperature | 第81-82页 |
| 5.3.3 Synergetic NO Reduction Varying with Residence Time | 第82-83页 |
| 5.3.4 Synergetic NO Reduction Varying with Gas Species | 第83-87页 |
| 5.4 Conclusion | 第87-88页 |
| Chapter 6 NO Reduction by Reagents Derived from Different Fuels | 第88-110页 |
| 6.1 Introduction | 第88页 |
| 6.2 Materials and Experimental Conditions | 第88-92页 |
| 6.2.1 Materials | 第88-90页 |
| 6.2.2 Experimental Conditions | 第90-92页 |
| 6.3 Results and Discussion | 第92-109页 |
| 6.3.1 NO Reduction by Char Reagents and Effect of Ash Content | 第92-99页 |
| 6.3.2 NO Reduction by Tar Reagents and Model Tar Compounds | 第99-109页 |
| 6.4 Conclusions | 第109-110页 |
| Chapter 7 Conclusions and Recommendations | 第110-114页 |
| 7.1 Conclusions | 第110-112页 |
| 7.2 Innovation | 第112页 |
| 7.3 Recommendations for Future Work | 第112-114页 |
| Nomenclatures | 第114-116页 |
| References | 第116-126页 |
| Appendix A Chemical Compositions of Tested Tar Reagents | 第126-130页 |
| A.1 GC-MS Spectra | 第126-127页 |
| A.2 Identified Compounds of Tar | 第127-130页 |
| Appendix B Calibration Curves of Feeders for Different Reagents | 第130-132页 |
| Acknowledgement | 第132-134页 |
| Résumé | 第134页 |
