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Evaluation of Pollution Control in Fossil Fuel Conversion Processes.
Gasification: Section I: CO2 Acceptor Process - 1974

C. E. Jahnig
E. M. Magee

EXXON Research and Engineering Co.

In this pdf format, this document has 71 pages and is 2.88MB.

Table of Contents 

Summary

1
Introduction 2

1

 Process Description and Effluents 4
 

1.1

 CO2 Acceptor Process - General 4

1.2

 Effluents to Air in Main Gasification Stream 13
 

1.2.1

 Coal Preparation 13
 

1.2.1.1

 Original Design 14

1.2.1.2

 Revision to Decrease Sulfur Emission 16

1.2.2

 Gasifier 18

1.2.3

 Gas Cleaning 19

1.2.4

 Acid Gas Removal 19

1.2.5

 Methanation and Compression 19

1.2.6

 Regenerator 20

1.2.7

 Ash Desulfurizer 20

1.3

 Effluents to Air - Auxiliary Facilities 21
 

1.3.1

 Sulfur Plant 21

1.3.2

 Utilities 21

1.4

 Liquids and Solids Effluents 23
 

1.4.1

 Coal Preparation 23

1.4.2

 Gasifier 24

1.4.3

 Gas Clean-Up 24

1.4.4

 Methantor 25

1.4.5

 Gas Compression 26

1.4.6

 Regenerator 26

1.4.7

 Auxillary Facilities 28

2

 Sulfur Balance 31

3

 Trace Elements 34

4

 Thermal Efficiency 37

5

 Possible Process Changes 40
 

5.1

 Process Alternatives Considered 40

5.2

 Engineering Modifications 42

5.3

 Potential Process Improvements 44

5.4

 Process Details 46

6

 Technology Needs 54

7

 Qualifications 57

8

 Bibliography 59