List of Figures

iii

List of Tables

iv

Executive Summary

v

1.0

Objectives

1

2.0

Tasks

1

2.1

Task 1 – Evaluation of Air-Blown TRDU Performance Using ND Lignite

1

2.2

Task 2 – Oxygen-Blown TRDU Operation Using a ND Lignite

2

2.3

Task 3 – Gas Turbine Combustion Modeling

3

2.4

Task 4 – Economic Projections for Transport Reactor Gasifiers

4

3.0

Project Description

4

3.1

Hot-Gas Filter Vessel

7

3.2

High-Pressure and High-Temperature Sampling System

9

4.0

Accomplishments

10

4.1

TRDU Fuel Analysis

10

4.2

TRDU Operation

10

4.2.1

Task 1 – TRDU Air-Blown Gasification Tests PO64 and PO65

10

4.2.2

Task 2 – Oxygen-Blown Gasification Test P068

12

4.3

TRDU Ash Chemistry

17

4.4

TRDU Deposit Formation

25

4.5

Hot-Gas Filter Operation

25

4.6

Task 5 – GE Combustion Turbine Modeling of a Lignite-Fired Transport Reactor Gasification Combined-Cycle Plant

32

4.7

Task 6 – Economic Assessment of a Natural Gas-Fired Combined-Cycle Power Plant in North Dakota

33

5.0

Conclusions

33

6.0

Recommendations

34

7.0

Reference

34

Appendix A - Statistical Data