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Wabash River Coal Gasification Repowering Project
A DOE Assessment - January 2002

National Energy Technology Laboratory

In the pdf format this document has 42 pages and is 293kb.

Table of Contents

Executive Summary

5

I

Introduction

10

II

Project/Process Description

11

 

II.A

Project Description

11

II.B

Need for the Technology Demonstration

14

II.C

Promise of the Technology

14

II.D

Technology Description

14

 

II.D.1

Coal Handling

14

II.D.2

Air-Separation Unit

15

II.D.3

E-Gas Gasifier

15

II.D.4

Syngas Conditioning/Cleanup

17

II.D.5

Power Block

20

II.E

Project Implementation

20

II.F

Project Objective and Statement of Work

21

III

Technical and Environmental Review

24

 

III.A

Technical Results

24

 

III.A.1

Air-Separation Unit

25

III.A.2

Coal Handling

26

III.A.3

Gasification

27

III.A.4

Syngas Cooling and Particulate Removal

27

III.A.5

Chloride Scrubbing System and COS Hydrolysis

28

III.A.6

Low-Temperature Heat Recovery and Syngas Humidification

28

III.A.7

Acid-Gas Removal, Sulfur Recovery, and Sour-Water Stripping

29

III.A.8

Power Block

29

III.A.9

Operations Feeding Petroleum Coke

29

III.B

Environmental Performance

33

IV

Market Analysis

35

 

IV.A

Market Size/Commercialization

35

IV.B

Economics

37

 

IV.B.1

Capital Costs

37

IV.B.2

Operating Costs

37

IV.B.3

Cost of Electricity

37

V

Conclusions

39