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Entrained-Bed Coal Gasification Modeling - Interim Report - 1978

Wen, C. Y.
Chuang, T. Z.

West Virginia University

In this pdf format, this document has 129 pages and is 5.44MB.

Table of Contents

I

 Introduction 1
 

1

 Texaco Entrained-Bed Pilot Plant Gasifier 2

2

 Raw Material Properties 2

II

 Reactions in and Entrained-Bed Gasifier 5
 

1

 Pyrolysis and Volatile Combustion Zone 5

2

 Combustion and Gasification Zone 5

3

 Gasification Zone 6

III

 Coal Gasification Reaction Kinetics 7
 

1

 Pyrolysis 7

2

 Volatile Combustion 9

3

 Char-Gas Reactions 11

4

 Char-Oxygen Reaction 12

5

 Char-Steam Reaction 17

6

 Char-Carbon Dioxide Reaction 20

7

 Char-Hydrogen Reaction 20

8

 Water-Gas Reaction 25

9

 Methane-Steam Reaction 25

IV

 Model Development 28
 

1

 Hydrodynamics 28

2

 Heat and Mass Balances 29

V

 Results and Discussion 34

VI

 Conclusion and Recommendation 38

VII

 Notation 40

VIII

 Literature Cited 42