@phdthesis{oai:sucra.repo.nii.ac.jp:00010417, author = {EKANAYAKA, ACHCHILLAGE AYESHA DILRUKSHI}, month = {}, note = {vi, 64 p., ACKNOWLEDGEMENTS i TABLE OF CONTENTS ii LIST OF FIGURES iv LIST OF TABLES vi CHAPTER 1: GENERAL INTRODUCTION .................................................................... 1 1.1 THE SCOPE AND THE OBJECTIVES OF THE STUDY .......................................................... 4 1.2 REFERENCES ................................................................................................................ 6 CHAPTER 2: THE KINETICS OF METHANE OXIDATION FOR COMPOST-MIXED SOILS ...................................................................................................................................... 9 2.1 INTRODUCTION ............................................................................................................ 9 2.2 MATERIALS AND METHODS ....................................................................................... 10 2.2.1 Batch Experimental Procedure ........................................................................... 11 2.2.2 Headspace Gas Analysis .................................................................................... 12 2.3 RESULTS AND DISCUSSION ........................................................................................ 13 1.1.1 Moisture Effect on Biological Kinetics of Methane Oxidation ......................... 13 2.3.1 Biological Kinetics Of Methane Oxidation ........................................................ 14 2.3.2 CH4 Oxidation Rate of Pure Compost, Compost-Soil Mixture and Landfill Cover Soil ...................................................................................................................... 15 2.4 CONCLUSION ............................................................................................................. 20 2.5 REFERENCES .............................................................................................................. 20 CHAPTER 3: GAS AND HEAT TRANSPORT PROPERTIES OF COMPOST-MIXED SOILS .................................................................................................................................... 23 3.1 INTRODUCTION .......................................................................................................... 23 3.2 MATERIALS AND METHODS ....................................................................................... 25 3.1.1 Materials Used .................................................................................................... 25 3.1.2 Sample Preparation for Measuring Water Retention, Gas and Heat Transport Parameters ..................................................................................................................... 28 3.1.3 Measurement of Gas Diffusion Coefficient and Thermal Properties ................. 29 3.1.4 Models for Water Retention, Gas and Heat Tranport Parameters ...................... 30 3.2 RESULTS AND DISCUSSION ........................................................................................ 32 3.2.1 Water Retention Characteristics ......................................................................... 32 3.2.2 Soil-gas Diffusivity ............................................................................................ 34 3.2.3 Thermal Conductivity and Heat Capacity .......................................................... 38 3.3 CONCLUSIONS ............................................................................................................ 41 3.4 REFERENCES .............................................................................................................. 43 CHAPTER 4: PREDICTIVE MODELS FOR GAS DIFFUSIVITY AND THERMAL PROPERTIES ...................................................................................................................... 46 4.1 INTRODUCTION .......................................................................................................... 46 4.2 MATERIALS AND METHODS ....................................................................................... 47 4.2.1 Predictive models for gas diffusivity in repacked soils ...................................... 48 4.2.2 Predictive models for thermal properties ........................................................... 49 4.2.3 Sensitivity Analysis of the models ..................................................................... 50 4.3 RESULTS AND DISCUSSIONS ....................................................................................... 51 4.3.1 Model performance of the predictive models for gas diffusivity ....................... 51 4.3.2 Prediction of thermal properties ......................................................................... 53 4.4 CONCLUSIONS ............................................................................................................ 57 4.5 REFERENCES .............................................................................................................. 57 CHAPTER 5: SUMMARY, CONCLUSIONS, AND PERSPECTIVES ........................ 60 5.1 SUMMARY AND CONCLUSIONS ................................................................................... 60 5.2 PERSPECTIVES ............................................................................................................ 63, 主指導教員 : 川本健, text, application/pdf}, school = {埼玉大学}, title = {Gas Transport and Thermal properties of Compost-Mixed Landfill Cover Soils under Variable Water Saturation}, year = {2016}, yomi = {エカナエカ, アチラゲ アエーシャ ディルクシ} }