목차

List of Figures iv
List of Table ⅵii
Nomenclature ix
Abstracts x
1. Introduction 1
2. Theoretical Background 4
2.1. Gasification 4
2.2. Types and Characteristics of Gasifiers 6
2.3. Gas-solid Reaction Model 10
2.3.1. VRM(Volumetric reaction model) 12
2.3.2. SCM(Shinking core model) 13
2.3.3. MVRM(Modified volumetric reaction model) 17
2.3.4. Reaction Rate Equation 18
3. Experimental Methods 20
3.1. Analysis of Fuel Characteristics 20
3.2. Production of Char and Mixed Fuel 24
3.2.1. Production of Char 24
3.2.2. Separation of Grain-Size Distribution 25
3.2.3. Production of Mixed Fuel 26
3.3. Experimental Equipment 27
3.4. Gasification Experiment 28
4. Results and discussion 30
4.1. Comparison of Gasification Reaction Temperature and Characteristics of Char-CO2 of Petroleum Coke, Bituminous Coal, and Sub bituminous Coal 30
4.1.1. Reaction Temperature of Petroleum Coke, Bituminous Coal, and sub bituminous Coal 30
4.1.2. Reaction Characteristics of Petroleum Coke, Bituminous Coal, and sub bituminous Coal 31
4.2. Overview of Carbon Conversion Rate of CO2 Gasification Reaction of Petroleum Coke, 6 Types of Coal, and Mixed Fuel with Different Mix Rates 33
4.2.1. Carbon Conversion Rate of Petroleum Coke and 6
Types of Coal 34
4.2.2. Carbon Conversion Rate of 3:1 Mixed Fuels Composed of Petroleum Coke/Coal 35
4.2.3. Carbon Conversion Rate of 1:1 Mixed Fuels Composed of Petroleum Coke/Coal 37
4.2.4. Carbon Conversion Rate of 1:3 Mixed Fuels Composed of Petroleum Coke/Coal 38
4.3. Reaction Model Application for VRM(Volumetric Reaction Model), SCM(Shrinking Core Model), and MVRM(Modified Volumetric Reaction Model) 40
4.4. Activation Energy when Applying Petroleum Cokes, 6 Types of Coal, Petroleum Coke/Coal Mix Fuel to VRM, SCM, and MVRM using Arrhenius Plot 54
4.5. Change in Activation Energy per Model as a Function of Alkali index and Coal Content 63
4.6. Selection of Appropriate Reaction Rate Model 67
5. Conclusion 81
References 83
Acknowledgements 89