1.

Abstract

iii

2.

Table of Contents

iv

3.

List of Figures

v

4.

List of Tables

v

5.

6

6.

Project Schedule

6

7.

Work Performed at The University of Kentucky

7

7.1

Executive Summary

8

7.2

XAFS Examination of Hg-laden Sorbents

9

7.2.1

Experimental

9

7.2.2

Results and Discussion (a) Mercury

11

7.2.3

Results and Discussion (b) Sulfur and Chlorine

15

7.3

Reactor System for Testing of Hg Adsorption Potential in Simulated Flue Gas

18

7.3.1

Experimental

18

7.3.2

Results and Discussion

19

7.4

Conclusions

23

7.5

References

23

8.

Work Performed at the Pennsylvania State University

25

8.1

Executive Summary

26

8.2

Experimental

27

8.2.1

Sample Characterization

27

8.2.2

Inherent Mercury Content

27

8.2.3

Major and Minor Elemental Ash Chemistry

27

8.2.4

XPS Surface Chemistry

27

8.2.5

Mercury Capture Studies

28

8.3

Results and Discussion

28

8.3.1

Sample Characterization

28

8.3.2

Inherent Mercury Content

28

8.3.3

Major and Minor Elemental Ash Chemistry

28

8.3.4

XPS Surface Chemistry

29

8.3.5

Mercury Capture Studies

29

8.4

Conclusions

30

8.5

References

31

9.

Future Work

32