1

Executive Summary

1-1

8

2

Introduction

2-1

16

3.

Methodology

3-1

19

3.1

Gasification Modeling

3-1

19

3.2

Downstream Process Modeling

3-2

19

3.3

Power Block Modeling

3-2

20

3.4

Cost Estimation

3-3

20

3.5

Availability Analysis

3-4

22

3.6

Commodity Pricing

3-6

24

3.7

Financial Analysis

3-7

25

4.

Industrial Combined Heat and Power Plant Designs

4-1

4.1

Subtask 3.2 Air-Blown Design

4-1

27

4.2

Subtask 3.2 Oxy-blown Design

4-3

29

4.3

Subtask 3.3 Alternative Air-Blown Design

4-4

30

4.4

Comparison of the Subtask 3.2 and 3.3 Combined Heat and Power Designs

4-7

33

4.5

Sensitivity of the Subtask 3.3 Alternate Air-Blown Design to the Financial Parameters

4-11

37

4.6

Summary of the Subtask 3.2 and 3.3 Plant Designs

4-14

40

5.

Lignite-Fueled IGCC Power Plant Design

5-1

42

5.1

Description of the Lignite-Fueled IGCC Power Plant Design

5-1

42

5.2

Financial Results for the IGCC Power Plant Design

5-5

46

5.3

Summary of the Subtask 3.4 Lignite-Fueled IGCC Power Plant Design

5-11

52

6.

Summary

6-1

53

6.1

Summary

6-1

53

6.2

Conclusions

6-2

54

6.3

Recommendations

6-4

7

References

7-1

58

8

Acknowledgements

8-1

61

9

List of Acronyms and Abbreviations

9-1

62

Appendices

A

Subtask 3.2

Preliminary Designs for the Eastern Coal Case

A-1

67

B

Subtask 3.3

Alternate Design for the Eastern Coal Case

B-1

 255

C

Subtask 3.4

Lignite-Fueled IGCC Power Plant

C-1

369