| 摘要 | 第1-6页 |
| ABSTRACT | 第6-8页 |
| ACKNOWLEDGEMENTS | 第8-13页 |
| NOMENCLATURE | 第13-14页 |
| LIST OF TABLES | 第14-16页 |
| LIST OF FIGURES | 第16-18页 |
| 1. INTRODUCTION | 第18-37页 |
| ·Background | 第18-23页 |
| ·Definition of Nanotechnology | 第18-21页 |
| ·Environmental Risk by Nanoparticles | 第21-23页 |
| ·Properties of Silver Nanoparticles | 第23-26页 |
| ·Ultility of Silver Nanoparticles | 第23-25页 |
| ·Environmental Risk of Silver Nanoparticles | 第25-26页 |
| ·Literature Review | 第26-35页 |
| ·Researches on Nitrogen Removal | 第26-28页 |
| ·Researches on Sequencing Batch Reactor (SBR) | 第28-31页 |
| ·Effect by Metal Nanoparticles to Nitrifier | 第31-32页 |
| ·Nitrification Inhibition by Silver Nanoparticles | 第32-35页 |
| ·Objective and Scope of Research | 第35-37页 |
| ·Objective of Research | 第35页 |
| ·Scope of Research | 第35-37页 |
| 2. MATERIALS AND METHODS | 第37-57页 |
| ·Characteristics of Wastewater Used in the Research | 第37页 |
| ·Reactor Setup | 第37-44页 |
| ·Bench Reactor | 第37-41页 |
| ·Nitrosomonas and Nitrobacter | 第41-43页 |
| ·Equipments Used in this Research | 第43页 |
| ·Starting Up of the Research | 第43-44页 |
| ·Analytical Methods | 第44-46页 |
| ·pH value | 第44页 |
| ·Dissolved Oxygen (DO) | 第44页 |
| ·Chemical Oxygen Demand (COD) | 第44-45页 |
| ·Mixed Liquor Suspended Solid and Volatile Suspended Solids | 第45页 |
| ·Total Nitrogen (TN) | 第45页 |
| ·Ammonia-Nitrogen (NH_4~+-N) | 第45-46页 |
| ·Nitrite-Nitrogen (NO_2~--N) | 第46页 |
| ·Nitrate-Nitrogen (NO_3~--N) | 第46页 |
| ·Synthesis of Silver Nanoparticles | 第46-50页 |
| ·Photochemical Process | 第46-47页 |
| ·Citrate Reduction - Heating Process | 第47-48页 |
| ·Borohydride Reduction - Heating Process | 第48页 |
| ·Silver Nanoparticles with Different Sizes and Concentrations | 第48-49页 |
| ·Characterization of Silver Nanoparticles | 第49-50页 |
| ·Scanning Electron Microscope (SEM) Experiment | 第50-57页 |
| ·Scanning Electron Microscope (SEM) | 第51-52页 |
| ·SEM Sample Preparation | 第52-54页 |
| ·SEM Imaging Experiment | 第54-57页 |
| 3. INHIBITION EXPERIMENTS | 第57-79页 |
| ·Nitrifier and Activated Sludge for Inhibition Experiments | 第57-63页 |
| ·Enrichment of Nitrifier | 第57-59页 |
| ·Cultivation of Activated Sludge | 第59-63页 |
| ·Silver Nanoparticles for Inhibition Experiment | 第63-67页 |
| ·Characterization of Silver Nanoparticles | 第63-64页 |
| ·Silver Nanoparticles with Different Sizes and Concentrations | 第64-67页 |
| ·Determination of Reaction Time | 第67-69页 |
| ·Nitrification Inhibition with Silver Nanoparticles | 第69-73页 |
| ·Preliminary Work | 第69-71页 |
| ·Inhibition Effect by Different Silver Nanoparticles | 第71-73页 |
| ·Inhibition Experiments with Activated Sludge | 第73-78页 |
| ·Inhibition to Nitrifier Sludge | 第74-75页 |
| ·Inhibition to Activated Sludge for Municipal Wastewater | 第75-78页 |
| ·Conclusion of this Chapter | 第78-79页 |
| 4. ALLEVIATION EXPERIMENTS | 第79-84页 |
| ·Alleviation Experiments with Inorganic Ions | 第79-81页 |
| ·Preliminary Work | 第79-80页 |
| ·Results and Analysis | 第80-81页 |
| ·Alleviation Experiments with Organic Ligands | 第81-83页 |
| ·Preparation Work and Method | 第81-82页 |
| ·Results and Analysis | 第82-83页 |
| ·Conclusion of this Chapter | 第83-84页 |
| 5. PRELIMINARY MECHANISM OF NITRIFICATION INHIBITION | 第84-90页 |
| ·Preliminary Mechanism | 第84-86页 |
| ·Toxicities by Silver Nanoparticles | 第86-89页 |
| ·Conclusion of this Chapter | 第89-90页 |
| CONCLUSION | 第90-92页 |
| REFERENCES | 第92-99页 |
| APPENDIX I | 第99-103页 |
| APPENDIX II | 第103-105页 |
| APPENDIX III | 第105-107页 |
