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Feed System Innovation for Gasification of Locally Economical Alternative Fuels (FIGLEAF)
Annual Technical Report for September 2000 - September 2001

Swanson, Michael L.
Musich, Mark A.
Schmidt, Darren D.

In the pdf format this document is 59 pages and 2.25mb

Table of Contents

List of Figures iii
List of Tables iv
Executive Summary v
Introduction 1
Resource Assessment 3
  Sewage Sludge 3
  Indianapolis 3
Metropolitan Water Reclamation District of Greater Chicago 4
Regional Cities 6
Nationwide 7
Used Railroad Ties 7
Urban Wood Waste 9
  Indiana 9
Nationwide 10
Municipal Solid Waste 13
  Indiana 13
Illinois 14
Nationwide 15
Waste Tires/Tire-Derived Fuel 17
  Indiana 17
Illinois 17
Nationwide 17
Feed System Development 18
  Estimation of Terminal Velocities for Feedstocks 18
Drop-Tube Furnace Testing 19
Sewage Sludge Feeding Across Pressure Boundary 20
Dispersion/Injection of Sewage Sludge 22
  Mechanical Feeding/Dispersion 22
Screw Feeding 23
Pneumatic Injection 26
Evaluation of Feed System Components 28
  Pressure Vessel/Piping for Pump Testing 29
Evaluation of Sludge Dispersion 31
Patent Database Search for High-Pressure Solids Feed Systems 32
Procurement of Samples and Sample Analysis 32
Commercial Dry Biomass Feed Systems 34
Conclusions and Future Plans 36
References 37
Parameters for Terminal Velocity Equations 80kb Appendix A
Patented High-Pressure Coal Feed Systems 71kb Appendix B
RDF Fraction Photographs 6891kb Appendix C