Improvement of Predictable Model of Methane Recovery within

1,24

MB

Landfill

85

stron

5255

ID

University of Strathclyde

2005

rok

Contents

Front Cover1

Declaration of author’s rights2

Acknowledgements3

Abstract.4

CHAPTER 110

Introduction10

1.1 Landfill methane models10

1.2 Previous Modelling Studies.15

1.3 Project Objectives17

1.4 Organization and Content18

1.5 Contribution of the Project.18

CHAPTER 219

Literature Review.19

2.1 Introduction19

2.2 Landfill Gas Generation.19

2.3 Source of Uncertainty in Model Development and Application21

2.4 Selection of Study Landfills.23

2.5 Selection of Landfill Methane Models.24

2.6 Parameter Sensitivity.30

CHAPTER 3 40

Approach for Model Optimization and Comparison.40

3.1 Overview of Approach.40

3.2 Model Optimization Procedure41

3.3 Illustration of Trial Model Optimization.42

CHAPTER 4 46

Results46

4.1 Parameter Combinations Derived from Minimized error46

4.2 Model Comparisons.47

4.3 Comparisons by Correlation54

4.4 Comparisons by Probability Limits.57

4.5 Comparison of Model Parameters with Other Work.60

CHAPTER 5 62

Computer Program for Landfill Methane Models.62

CHAPTER 6 63

Recommendation for Further Work.63

6.1 Continue Accumulation of Data for Study Landfills.63

6.2 Add More Landfills to the Study Data Set.63

6.3 Examine Other Data Treatment Approaches.63

6.4 Examine Other Landfill Methane Models63

6.5 Incorporate Estimates for Methane Recovery Efficiency64

CHAPTER 7 65

References 65

APPENDIX A:.66

APPENDIX B:.78