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Evaluation of Pollution Control in Fossil Fuel Conversion Processes.
Gasification: Section 5: BI-GAS Process - 1975

C. E. Jahnig

EXXON Research and Engineering Co.

In this pdf format, this document has 78 pages and is 4.13MB.

Table of Contents 

1

 Summary

1

2

 Introduction 2

3

 Basis and Background 5

4

 Process Description 6
 

4.1

 Coal Preparation and Drying 6

4.2

 Gasification 6

4.3

 Quench and Dust Removal 10

4.4

 Shift Conversion 10

4.5

 Acid Gas Removal 10

4.6

 Methanation and Drying 11

4.7

 Auxiliary Facilities 12

5

 Effluents to Air 13
 

5.1

 Coal Preparation and Drying 13

5.2

 Gasification 21

5.3

 Quench and Dust Removal 21

5.4

 Shift Conversion 22

5.5

 Acid Gas Removal 22

5.6

 Methanation and Drying 23

5.7

 Auxiliary Facilities 24

6

 Effluents - Liquids and Solids 26
 

6.1

 Coal Preparation 26

6.2

 Gasification 27

6.3

 Quench and Dust Removal 27

6.4

 Shift Conversion 28

6.5

 Acid Gas Removal 30

6.6

 Methanation and Drying 31

6.7

 Auxiliary Facilities 32

7

 Gas Handling and Sour Water Considerations 33

8

 Sulfur Balance 36

9

 Thermal Efficiency 38

10

 Trace Elements 41

11

 Alternatives to Consider 44

12

 Technology Needs 50

13

 Process Details 54

14

 Qualifications 62

15

 Bibliography 63