| List of Tables |
ii |
| List of Figures |
iii |
| Abstract |
vii |
| Executive Summary |
1 |
| Introduction |
4 |
| |
Gas/Slurry Flow in Coal Liquefaction Processes
(Fluid Dynamics in a Three-Phase Flow Column) |
7 |
| Large-Scale Dissolver Cold-Flow Modeling |
8 |
| Demonstration Plant Dissolver Design |
8 |
| Experimental Results and Discussion |
9 |
| |
Gas Holdup |
9 |
| |
Effect of Column Diameter |
9 |
| Effect of Liquid Velocity |
9 |
| Effect of Gas Velocity |
9 |
| Effect of Solids |
11 |
| Effect of Distributors (Entrance Effects) and Internals |
11 |
| Gas Holdup Correlations |
12 |
| Liquid Axial Dispersion Coefficient |
15 |
| |
Effect of Liquid Velocity |
15 |
| Effect of Gas Velocity |
19 |
| Effect of Solids |
19 |
| Effect of Internals |
19 |
| Liquid Axial Dispersion Coefficient Correlations |
19 |
| Gas/Liquid Mass-Transfer Coefficient |
21 |
| Solids Dispersion |
24 |
| |
Theoretical Background |
24 |
| Fine Particles |
25 |
| Large Particles |
31 |
| Coninuous-Flow Solids Distribution |
32 |
| Solids Dispersion Modeling |
40 |
| Solids Withdrawal |
42 |
| Scale-up Considerations for the Demonstration
Plant |
43 |
| Literature Cited |
48 |
| Figures 600kb |
50 |
| Nomenclature 16kb |
114 |
| Appendix A 34kb |
116 |
