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ENCOAL Mild Coal Gasification Demonstration Project. 
Final Design Modifications Report.  Topical Report July 1997.

ENCOAL Corporation

In this pdf format, this document has 61 pages and is 3.61 MB.

Table of Contents

Trademark Notice

ii

Table of Contents

iii

List of Figures

v

List of Tables

v

List of Appendices

v

Glossary

vi

1.0

Introduction

1

2.0

Project Background

1

3.0

Overview of Process

7

4.0

Plant Equipment Modifications

10

4.1

Solids Handling System

10

4.2

Dryer and Pyrolyzer Modifications

11

4.3

Dryer and Pyrolyzer Cyclones

13

4.4

Pyrolyzer Quench Table and Quench Steam Condensing System

15

4.5

PDF Deactivation System

17

4.6

PDF Cooler and Rehydration

20

4.7

Quench Tower

21

4.8

Electrostatic Precipitators

22

4.9

CDL Handling and Storage

24

4.10

Process Fans

24

4.11

Combustors

25

4.12

Purge Gas Treatment

25

4.13

Dust Scrubbers

25

4.14

PDF Finishing

27

5.0

Utility Modifications

29

5.1

Nitrogen

29

5.2

Instrument and Utility Air

30

5.3

Steam System

31

5.4

Cooling Water

31

5.5

Sump System

32

5.6

Car Topper

33

5.7

Vapor Recovery

34

5.8

Process Water

34

6.0

Environmental Modifications

38

6.1

Air Quality Issues

38

6.2

Land Quality Issues

39

7.0

Safety and Administrative Items

62

8.0

Conclusions

42

References

45