声明
ABBREVIATIONS
CONTENTS
ABSTRACT
摘要
CHAPTER 1 INTRODUCTION
1．1 Background and significance of the study
1．2 Novelty statement
1．3 Literature review
1．3．1 Pretreatment modalities for the lignocellulosic biomass
1．3．2 Co-digestion of the poultry manures with lignocellulosie biomasses
1．3．3 The C／N and OLR optimization and kinetic modeling
1．3．4 Anaerobic digestion stability performance evaluation of the CSTRs for poultry manures
1．4 Objectives of the study
1．5 Dissertation layout
References
CHAPTER 2 MATERIALS AND METHODS
2．1 Introduction
2．2 Experimental feedstock preparation and collection
2．3．Sludge activation
2．4 Experimental-1 designs
2．4．1 Pretreatment method
2．4．2 Batch anaerobic digestion experiments
2．4．3 pH adjustment
2．5 Experimental-2 designs
2．5．1 Pretreatment method
2．5．2 Batch anaerobic digestion experiments
2．6 Experimental-3 designs
2．6．1 Pretreatment of the corn stover
2．6．2 Experimental setup and batch anaerobic digestion tests
2．7 Experimental-4 designs
2．7．1 Pretreatment of the wheat straw
2．7．2 Batch and CSTR experimental setup
2．8 Experimental-5 designs
2．8．1 Pretreatment of wheat straw
2．8．2 Experimental design and batch anaerobic digestion tests
2．9 Experimental-6 designs
2．9．1 Pretreatment of wheat straw
2．9．2 CSTR experimental setup
2．10 Experimental-7 designs
2．10．1 ThermaL-sonication pretreatment for goose manure
2．10．2 Bioreactor configuration experimental setup
2．1 1 Experimental-8 designs
2．11．1 Pretreatment of wheat straw
2．11．2 CSTR experimental setup for the co-digestion of chicken manure with goose manure and pretreated wheat straw
2．12 Anaerobie digestion process
2．12．1 Hydrolysis
2．12．2 Acidogenesis
2．12．3 Acetogenesis
2．12．4 Methanogenesis
2．12．5 Types of anaerobic digestion process(substrate based)
2．12．6 Types of anaerobic digestion process(temperature based)
2．12．7 Types of anaerobic digestion process(reactor based)
2．13 Analytical procedures and calculations
2．14 Data analysis
References
CHAPTER 3 METHANE ENHANCEMENT THROUGH OXIDATIVE CLEAVAGE，ALKALI SOLUBILISATION AND LIQUID AMMONIA FRACTIONATION PRETREATMENTS FOR CS WITH WASTE ACTIVATED SLUDGE
3．1 Introduction
3．2 Result and discussion(Experiment-1)
3．2．1 Pre-treatment after effects on corn stover chemical characteristics
3．2．2 Pre-treatment effects on daily and total methane yield
3．2．3 VFA，alcohol and pH profile during AD
3．2．4 COD profile during AD process
3．3 Result and discussion(Experiment-2)
3．3．1 Pretreatment after effects on the chemical composition of the corn stover
3．3．2 Pretreatment effects on the daily and total methane yield
3．3．3 TVFA，alcohol and pH profile during the anaerobic digestion process
3．3．4 CODs profile during anaerobic digestion process
3．4 Conclusions
References
CHAPTER 4 METHANE ENHANCEMENT AND ASYNCHRONISM MINIMIZATION THROUGH CO-DIGESTION OF GM WITH ALKALI SOLUBILIZED CS AND WS：A C／N AND OLR REGRESSION OPTIMIZATION
4．1 Introduction
4．2 Results and discussion(Experiment-3)
4．2．1 Asynchronism minimization and AD performance of the pretreated corn stover
4．2．2 Detailed asynchronism investigation and effects of C／N optimization on the daily and cumulative methane production of the different compositions
4．2．3 TVFAs and alcohol production pattern during the AD process
4．2．4 TAN，FAN，CODs and pH behavior of the different compositions during the AD process
4．2．5 The VS and CODs removal efficiencies for the different compositions
4．3 Results and discussion(Experiment-4)
4．3．1 Pretreatment after effects on the chemical composition of wheat straw
4．3．2 Batch anaerobic co-digestion of goose manure and wheat straw and C／N regression optimization
4．3．3 Semi-continuous anaerobic co-digestion of goose manure and wheat straw and OLR regression optimization
4．3．4 Anaerobic digestion stability performance of the CSTR reactors
4．3．5 Anaerobic downstream characteristics of the CSTR digestate(VS and CODs removal)
4．4 Conclusions
References
CHAPTER 5 METHANE ENHANCEMENT THROUGH CO-DIGESTION OF CM AND THERMO-OXIDATIVE CLEAVED WS：A C／N AND OLR OPTIMIZATION APPROACH THROUGH KINETIC MODELING
5．1 Introduction
5．2 Result and discussion(Experiment-5)
5．2．1 Anaerobic digestion efficiency of H2O2 pretreated wheat straw
5．2．2 Effects of C／N optimization on the daily and cumulative methane yield
5．2．3 TVFAs and alcohol production behavior during the AD process
5．2．4 TAN，FA，CODs and pH profile during AD process
5．2．5 The CODs and VS removal of different feeding compositions
5．3 Results and discussion(Experiment-6)
5．3．1 Pretreatment after effects on the chemical composition of wheat straw
5．3．2 CSTR co-digestion of CM and pretreated WS with OLR management approach through kinetic modeling
5．3．3 Anaerobic digestion stability performance evaluation of the CSTRs
5．4 Conclusions
References
CHAPTER 6 METHANE ENHANCEMENT OF GM AND CO-DIGESTION OF CM WITH GM AND WS IN CSTR：CO-DIGESTION SYNERGISTIC EFFECTS EVALUATION AND OLR OPTIMIZATION THROUGH KINETIC MODELING
6．1 Introduction
6．2 Result and discussion(Experiment-7)
6．2．1 Effect of thermal-sonication and different organic loadings on methane production
6．2．2 Anaerobic digestion stability performance of the reactors
6．2．3 Anaerobic downstream characteristics of the digestate(VS and CODs removal)
6．3 Results and discussion(Experiment-8)
6．3．1 Pretreatment after effects on the chemical composition of wheat straw
6．3．2 Co-digestion synergistic effects evaluation and OLR optimization through kinetic modeling
6．3．3 Anaerobic digestion stability performance evaluation of the CSTR reactors
6．4 Conclusion
References
CHAPTER 7 CONCLUSIONS AND RECOMENDATIONS
7．1 Conclusions
7．2 Recommendations
RESEARCH ARTICLES
ACKNOWLEDGEMENTS
