论文目录 | |
| 摘要 | 第1-9页 |
| Abstract | 第9-17页 |
| Abbreviations | 第17-18页 |
| Chapter Ⅰ: Research Background and Significance | 第18-35页 |
| 1.1 Food waste and environmental impact | 第18-20页 |
| 1.2 Food waste characterization | 第20页 |
| 1.3 Principle of anaerobic digestion (AD) | 第20-24页 |
| 1.3.1 Hydrolysis | 第22页 |
| 1.3.2 Acidogenesis | 第22-23页 |
| 1.3.3 Acetogenesis | 第23页 |
| 1.3.4 Methanogenesis | 第23-24页 |
| 1.4 Anaerobic digestion parameters | 第24-26页 |
| 1.4.1 Temperature | 第24-25页 |
| 1.4.2 pH and VFA | 第25页 |
| 1.4.3 Hydraulic retention time and Organic loading rate | 第25-26页 |
| 1.4.4 C:N ratio | 第26页 |
| 1.4.5 Nutrients | 第26页 |
| 1.5 Pre-treatment | 第26-27页 |
| 1.6 Principal of bio-hydrogen production from anaerobic digestion | 第27-29页 |
| 1.7 Bio-methane from one stage anaerobic digestion | 第29-30页 |
| 1.8 Bio-methane from two-stage anaerobic digestion | 第30-31页 |
| 1.9 Challenges of anaerobic digestion of food waste | 第31-32页 |
| 1.9.1 Process optimization and stability | 第31页 |
| 1.9.2 Energy efficiency and cost benefits | 第31-32页 |
| 1.10 Research Objectives | 第32-35页 |
| Chapter Ⅱ: Single stage Bio-hydrogen Production of Food Waste under Thermophilicand Hyper-thermophilic Conditions | 第35-58页 |
| 2.1 Introduction | 第35-37页 |
| 2.2 Materials and methods | 第37-41页 |
| 2.2.1 Characteristics of food waste | 第37页 |
| 2.2.2 Thermophilic/hyper-thermophilic process using CSTR | 第37-38页 |
| 2.2.3 Batch experiments | 第38-40页 |
| 2.2.4 Kinetic models | 第40-41页 |
| (1) CSTR process kinetics | 第40页 |
| (2) Kinetics of batch experiment | 第40-41页 |
| 2.2.5 Chemical analyses | 第41页 |
| 2.3 Results and discussion | 第41-57页 |
| 2.3.1 Gas production of long-term 55℃ and 70℃ CSTR | 第41-47页 |
| 2.3.2 Kinetics of hydrolysis, acidification and gas production | 第47-51页 |
| 2.3.3 Kinetics of CSTR process | 第51-53页 |
| 2.3.4 Mass balance of long-term CSTR | 第53-57页 |
| 2.4 Conclusions | 第57-58页 |
| CHAPTER Ⅲ: Continuous bio-hydrogen and bio-methane production from foodwaste in a two-stage temperature phase system | 第58-83页 |
| 3.1. Introduction | 第58-60页 |
| 3.2. Materials and methods | 第60-65页 |
| 3.2.1 Characteristics of food waste | 第60页 |
| 3.2.2 Continuous two-stage anaerobic system | 第60-62页 |
| 3.2.3 Biogas production potential of hydrogen reactor effluent | 第62页 |
| 3.2.4 Chemical analyses | 第62-63页 |
| 3.2.5 Energy in food waste | 第63-64页 |
| 3.2.6 DNA extraction and high-throughput sequencing | 第64-65页 |
| 3.3. Results and discussion | 第65-82页 |
| 3.3.1 Energy efficiency and material flow in the continuous two-stage system | 第65-74页 |
| (1) Recovered energy in hydrogen and methane | 第65-70页 |
| (2) Material and COD balance | 第70-74页 |
| 3.3.2 Kinetics of hydrogen and methane fermentation | 第74-79页 |
| (1) Methane production kinetics in batch and in continuous systems | 第74-78页 |
| (2) Hydrogen and methane production in continuous reactors for 24 h | 第78-79页 |
| 3.3.3 Microbial communities in hydrogen and methane reactors | 第79-82页 |
| 3.4. Conclusions | 第82-83页 |
| CHAPTER Ⅳ: Two Stage System with Digestate Recirculation of Food Waste | 第83-100页 |
| 4.1. Introduction | 第83-84页 |
| 4.2. Material and Method | 第84-86页 |
| 4.2.1 Characteristics of food waste and inoculum | 第84页 |
| 4.2.2 Continuous two-stage anaerobic systems | 第84-86页 |
| 4.2.3 Chemical analyses | 第86页 |
| 4.3. Statistical analysis | 第86页 |
| 4.4. Result and discussion | 第86-99页 |
| 4.4.1 The hydrogen yield with and without recirculation | 第86-92页 |
| 4.4.2 The methane yield with and without recirculation | 第92-94页 |
| 4.4.3 Organic removal | 第94-97页 |
| 4.4.4 Mass and energy balance | 第97-99页 |
| 4.5. Conclusions | 第99-100页 |
| CHAPTER Ⅴ: Conclusions and Recommendations | 第100-102页 |
| 5.1 Conclusions | 第100-101页 |
| 5.2 Recommendations for future research | 第101页 |
| 5.3 Novelty and practical implications | 第101-102页 |
| References | 第102-114页 |
| Acknowledgements | 第114-115页 |
| Resume | 第115-116页 |
| Publications | 第116页 |
