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Bench-Scale Demonstration of Hot-Gas Desulfurization Technology:
Final Report - April 2002

S. K. Gangwal
J. W. Portzer

Research Triangle Institute

Table of Contents (1.08MB)

Abstract

iii
List of Figures vi
List of Tables vi
Acronyms and Abbreviations vii
Acknowledgements viii
Executive Summary ix

1

 Background and Prior Work (350kb) 1

2

 Objectives (81.7kb) 4

3

 Field Testing of the Skid-Mounted DSRP Unit at PSDF (2.19MB) 5
 

3.1

 Chronology of Events Leading up to the PSDF Testing 5

3.2

 Features of the PSDF Facility 6

3.3

 Liaison and Scopes of Responsibility for PSDF and RTI 6

3.4

 Modifications to DSRP Field-Test Unit Required for PSDF Site Testing 8

3.5

 Design Hazard Review (DHR) 11

3.6

 DSRP Process Control 12
 

3.6.1

 Need for Control 12

3.6.2

 Automatic Stoichiometric Ratio Control 14

3.6.3

 Analytical Equipment 15

3.6.4

 Chronology of the Shakedown/Commissioning Test 16

3.6.5

 Observed Performance of the DSRP Reactor During Shakedown 17

3.6.6

 Lessons Learned from the Shakedown/Commissioning 20

4

 Catalyst Canister Exposure Testing (642kb) 22
 

4.1

 Canister Exposure 22

4.2

 Bench Unit Test Results 24

5

 Fluid-Bed Catalyst Development (55.9kb) 25

6

 Conclusions and Recommendations (46.1kb) 26

7

 References (56.5kb) 27
 
Appendix A - Bench-Scale Demonstration of Hot-Gas Desulfurization Technology: Topical Report (Part 1 - 3.92MB) (Part 2 - 4.34MB) A-1
Appendix B - Bench-Scale Demonstration of Hot-Gas Desulfurization Technology, presented at the Advanced Coal-Based Power and Environmental Systems '98 Conference (July 1998) (1.33MB) B-1
Appendix C - Design Hazard Review: DSRP Bench Unit (5.83MB) C-1
Appendix D - Piping and Instrumentation Diagrams (847kb) D-1
Appendix E - Stoichiometric Flow Control Calculations (390kb) E-1
 
LIST OF FIGURES
Figure 1 Hot-Gas Desulfurization/DSRP Integration 1
Figure 2 Single-Stage DSRP 2
Figure 3 Slipstream Route 6
Figure 4 Scope Definition Diagram 7
Figure 5 Process Flow Diagram for the Skid-Mounted DSRP Field-Test Unit 10
Figure 6 DSRP Skid Without Canopy 12
Figure 7 Trailer and Canopy at the PSDF in Wilsonville, AL 12
Figure 8 Stoichiometric Ratio PFD 14
Figure 9 Tail Gas Composition, March 28, 2001 18
Figure 10 Reactor Temperatures, March 28, 2001 20
Figure 11 Perforated, Stainless Steel Canister 22
Figure 12 Canister and Westinghouse PCD 23
Figure 13 Transport Reactor Gasification Operations 23
 

LIST OF TABLES
Table 1 Design Material Balance for DSRP Field Test at PSDF 9
Table 2 Operating Conditions on March 28, 2001, During Period of Best Performance 17
Table 3 Approximate Material Balance During Operation on March 28, 2001 19
Table 4 Summary of On-Stream Times 21
Table 5 Analysis of DSRP Catalysts 24