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Fuel-Flexible Gasification-Combustion Technology for Production of H2 and Sequestration-Ready CO2:
Quarterly Technical Progress Report No. 14 January 1, 2004 - March 31, 2004

George Rizeq

General Electric Energy and Environmental Research Corporation

In this pdf format, this document has 25 pages and is 1.79MB.

Table of Contents

DISCLAIMER 2
ABSTRACT 3
LIST OF TABLES 5
LIST OF FIGURES 5
EXECUTIVE SUMMARY 6
INTRODUCTION 7
  PROGRAM OBJECTIVES 7
UFP TECHNOLOGY 8
PROJECT PLAN 8
MANAGEMENT AND TECHNOLOGY TRANSFER 9
EXPERIMENTAL 10
  LABORATORY-SCALE TESTING 10
RESULTS AND DISCUSSION 12
  LABORATORY-SCALE TESTING RESULTS 12
PILOT PLANT DEMONSTRATION 13
  Process Shakedown Testing 13
Data Acquisition, Safety and Control System 16
Reactor Fluidization and Bed Height measurement 17
Solids Circulation 18
Boiler, Superheater and Second Stage Superheater 20
Performance Testing 20
CONCLUSIONS 21
FUTURE WORK 21
FUTURE WORK 22
REFERENCES 22
LIST OF ACRONYMS AND ABBREVIATIONS 22
APPENDIX A: EXECUTIVE SUMMARY OF JAN. REVIEW MEETING 23
 
LIST OF TABLES
Table 1 Main tasks of the UFP program 9
Table 2 Test matrix for heat treatment of CAM and OTM 11
Table 3 Process shakedown tests 14
Table 4 Measurements of bed heights during two-hour test. Variation in data 19
 
LIST OF FIGURES
Figure 1 Conceptual Design of the UFP technology 8
Figure 2 Kinetic modeling results showing the impact of temperature on conversion extent (~) over time for reduction of OTM with 0-10% H2 12
Figure 3 Diffractograms from experiments 1.1 and 1.2 13
Figure 4 Photo of installed top reactor flanges as well as reactor exit piping and instrumentation 15
Figure 5 Custom insulation of steam manifold, steam input lines and (inset) reactor flange 15
Figure 6 Main LabVIEW user interface screen for controls and data acquisition 16
Figure 7 LabVIEW data acquisition screen with data measurements displayed to indicate their relative location on a diagram of the system 17
Figure 8 Approach for measuring fluidized bed height 17
Figure 9 Performance curves during 140 min of steady solids circulation 18
Figure 10 Rate of accumulation of bed materials in R3, as measure by bed height, when transfer of bed materials from R3 to R2 was temporarily halted 19
Figure 11 Manipulation of solids transfer flow and impact on bed height 20
Figure 12 UFP pilot-scale system and auxilary systems 21