|
1 |
Summary |
1 |
|
2 |
Introduction |
3 |
|
3 |
Background |
4 |
|
|
3.1 |
Regulatory Initiatives |
4 |
|
3.2 |
Mercury
Removal for Conventional Coal-Fired Plants |
4 |
|
3.3 |
Mercury
Removal Experience in Gasification |
5 |
|
3.4 |
Variability of Mercury
Content in Coal |
6 |
|
4 |
Design Considerations |
7 |
|
|
4.1 |
Carbon
Bed Location |
12 |
|
4.2 |
Mercury
Concentration |
14 |
|
4.3 |
Process
Parameters |
15 |
|
4.4 |
Mercury
Removal |
15 |
|
4.5 |
Carbon Replacement Time |
16 |
|
5 |
Design Basis |
17 |
|
6 |
Cost
Estimate |
18 |
|
7 |
Sensitivities |
20 |
|
8 |
Applicability of Estimate |
22 |
|
9 |
Conclusions |
23 |
| |
|
LIST OF TABLES |
|
1 |
Mercury Content of Coals |
6 |
|
2 |
Texaco IGCC Plant - Detailed Composition |
9 |
|
3 |
Volumetric Flow Comparison |
13 |
|
4 |
Effect of Mercury Removal on Stream Properties |
14 |
|
5 |
Design Basis - Mercury Removal by a Carbon Bed - Fixed-Bed
Option |
17 |
|
6 |
Cost Estimate - Mercury Removal by a Carbon Bed - Fixed-Bed
Option |
19 |
|
7 |
Sensitivity of Increased Mercury Concentration |
20 |
|
8 |
Sensitivity of Key Parameters |
20 |
|
|
|
LIST OF FIGURES |
|
1 |
Modified Block Flow Diagram - Texaco Gasifier-Based IGCC
Reference Plant |
8 |
|
2 |
Sensitivity of Key Parameters on Mercury Removal Costs |
21 |
