声明
Abbreviations
CHAPTER 1 INTRODUCTION AND LITERATURE REVIEW
1.1 Municipal Solid Waste Generation
1.2 Municipal Solid Waste Management
1.2.1 Waste landfilling and recycling
1.2.2 Waste-to-energy technologies
1.2.3 Importance of waste incineration technologies
1.3 High-temperature chlorine-induced corrosion mechanisms
1.3.1 Gaseous-induced corrosion mechanism
1.3.2 Deposits-induced corrosion mechanism
1.4 Influencing factors of the corrosion rate
1.4.1 Flue gas temperature
1.4.2 Steam temperature
1.4.3 Steam pressure
1.4.4 Waste composition
1.4.5 Alloy composition
1.5 Atomistic modeling of corrosion
1.5.1 Molecular modeling
1.5.2 Static band structure calculation
1.5.3 Molecular dynamic
1.6 Thermodynamic modeling
1.6.1 CALPHAD method
1.6.2 Gibbs Energy Minimization
1.7 Motivation and problem statement
1.8 Objectives of the thesis
1.8.1 Specific objective 1
1.8.2 Specific objective 2
1.8.3 Specific objective 3
1.8.4 Specific objective 4
1.9 Structure of the thesis
CHAPTER 2 CORROSION KINETICS OF METALS IN DIFFERENT CORROSIVE ENVIRONMENTS
2.1 Introduction
2.2 Determination of corrosive species in the combustion chamber
2.3 Materials and methods
2.3.1 Materials preparation
2.3.2 Experimental setup and exposure
2.3.3 Corrosion product characterisation
2.3.4 Thermodynamic calculations
2.3.5 Ranking of the corrosive species
2.4 Results
2.4.1 Corrosion kinetics
2.4.2 Morphological changes
2.4.3 XRD
2.4.4 XPS
2.4.5 Species contribution to the corrosion rate
2.5 Discussion
2.5.1 Influence of H2O on NaCl-induced corrosion of 310H at 500 ℃
2.5.2 Influence of SO2 on the corrosion kinetics of 310H
2.6 Conclusion
CHAPTER 3 CHEMICAL KINETIC MODELLING
3.1 Introduction
3.2 Methods
3.2.1 Computational calculations
3.2.2 Kinetic modelling
3.2.3 Experimental
3.3 Results and discussion
3.3.1 Effect of KCl concentration on corrosion behaviour
3.3.2 Microstructure of the corroded tubes
3.3.3 Analysis of reaction network
3.3.4 Effect of concentrations of other corrosive species
3.4 Conclusion
CHAPTER 4 THERMODYNAMIC MODELLING OF CORROSION-RESISTANT ALLOY
4.1 Introduction
4.2 Modelling section
4.2.1 Factsage theoretical background
4.2.2 Calculation strategy
4.2.3 Alloy strengthening
4.3 Results and discussion
4.3.1 Chemical reaction of alloy elements with chlorine
4.3.2 Stability of oxides for protecting metal alloys
4.3.3 Analysis of evaporation of protective oxides
4.3.4 Stability of different phases
4.4 Conclusion
CHAPTER 5 ALLOY FABRICATION, CORROSION TESTING AND COST EVALUATION
5.1 Introduction
5.2 Experimental approach
5.2.1 Alloy fabrication and corrosion testing
5.2.2 Morphology and Crystalline phase detection
5.3 Economic analysis (EA)
5.4 Results and discussion
5.4.1 Corrosion rates
5.4.2 Morphology and crystalline phase analysis
5.4.3 Cost/corrosion rate analysis
5.5 Conclusion
CHAPTER 6 SUMMARY, INNOVATIONS, RECOMMENDATIONS, AND FUTURE WORK
6.1 Summary
6.2 Innovations
6.3 Recommendations for the WTE industry
6.4 Suggestions for future work
参考文献
APPENDIX A
APPENDIX B
LIST OF PUBLICATIONS
CONFERENCE CONTRIBUTIONS
致谢
天津大学;
