Generating Electricity from a 10 MW MSW combustion plant in

2,16
MB the area of Athens, Greece: A Feasibility Study

86
stron

5257
ID University of Strathclyde

2003
rok

Contents

Declaration of author’s rights 2

Acknowledgements 3

Abstract 4

Chapter 1: Introduction

Biomass 8

Biofuels 8

Energy from waste 9

What is MSW? 9

Waste to Energy plants 9

Biomass in Greece 10

Reasons for performing the feasibility study 12

Why a Mass-Burning plant and not an RDF plant 12

Chapter 2: Plant Set-up Analysis

Introduction 14

Preparation, Fuel Handling and Disposing Systems 14

Rotary Water walled Furnace 16

Boiler and Feed Heating Systems 17

Steam Turbine Generator 22

Stack Gas Clean Up and Pollution Controls 24

Plant Engineering 25

Chapter 3: Production Assessment

Introduction 28

Load Factor 28

Heat Rate 28

Methodology 29

Process 30

Chapter 4: Thermodynamic Plant Efficiency Assessment

Introduction 37

Operating Conditions 37

Thermodynamic Efficiency of cycle 38

Overall Plant Efficiency 38

Methodology 38

Process 41

Chapter 5: Economics

Introduction 51

Net Present Value (NPV) 51

Internal Rate of Return (IRR) 51

Public Power Corporation (PPC) 52

The Energy Law in Greece 53

Methodology 56

Process 58

Chapter 6: Environmental Impact

Introduction 65

Environmental Profile 65

Post-combustion derivatives of the 10 MW MSW combustion plant 66

Boiler and steam turbine emissions 68

Boiler Emissions Control Options – NOx 70

Post-Combustion Control 72

Boiler Emissions Control Options - SOx 73

The advantages of dry absorption on the path to the exhaust stack 73

Chapter 7: Discussion 75

Chapter 8: Conclusion 79

Appendix A 81

References 83