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Evaluation of Pollution Control in Fossil Fuel Conversion Processes.
Gasification: Section 6. HYGAS Process - 1975

C. E. Jahnig

EXXON Research and Engineering Co.

In this pdf format, this document has 66 pages and is 4.02MB.

Table of Contents 

1

 Summary

1

2

 Introduction

2

3

 Selection of Basis

4

4

 Process Description

6
 

4.1

 Coal Preparation 6

4.2

 Gasification 8

4.3

 Quench and Dust Removal 8

4.4

 Shift Conversion and Cooling 10

4.5

 Acid Gas Treatment 10

4.6

 Methanation and Drying 11

4.7

 Auxillary Facilities 11

5

 Effluents to Atmosphere 14
 

5.1

 Coal Preparation 14

5.2

 Gasification 22

5.3

 Quench and Dust Removal 23

5.4

 Shift Conversion and Cooling 23

5.5

 Acid Gas Treatment 24

5.6

 Methanation and Drying 25

5.7

 Auxiliary Facilities 25

6

 Effluents - Liquids and Solids 28
 

6.1

 Coal Preparation 28

6.2

 Gasification 29

6.3

 Quench and Dust Removal 29

6.4

 Shift Conversion and Cooling 30

6.5

 Acid Gas Treatment 30

6.6

 Methanation and Drying 31

6.7

 Auxiliary Facilities 31

7

 Sulfur Balance 34

8

 Thermal Efficiency 36

9

 Trace Elements 38

10

 Technology Needs 41

11

 Process Details 45

12

 Qualifications 50

13

 Bibliography 51