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Feed System Innovation for Gasification of Locally Economical
 Alternative Fuels (FIGLEAF) Final Report.  Includes Annual Technical
Report for October 2001 - November 2002

Swanson, Michael L.
Musich, Mark A.
Schmidt, Darren D.
Schultz, Joseph K.

(No pdf)

Table of Contents

Part 1, Pages T - 39, 5.16MB
  Title Page, Disclaimer, and Abstract T - A
LIST OF FIGURES iv
LIST OF TABLES vii
ACRONYMS ix
ABBREVIATIONS x
EQUATION PARAMETERS xi
EXECUTIVE SUMMARY xii
INTRODUCTION 1
RESOURCE ASSESSMENT 3

Sewage Sludge

3

Indianapolis

3

Metropolitan Water Reclamation District of Greater Chicago

4

Regional Cities

6

Nationwide

6

Used Railroad Ties

8

Urban, Mill, and Forest Wood Residues

9

Indiana

9

Illinois

11

Nationwide

11

Municipal Solid Waste

14

Indiana

14

Illinois

15

Nationwide

16

Waste Tires/Tire-Derived Fuel

19

Indiana

19

Illinois

19

Nationwide

19

Agricultural Residues

19
FEED SYSTEM DEVELOPMENT FOR MUNICIPAL SEWAGE SLUDGE 20

Procurement of Fargo Sludge for Pilot Testing

23

Estimation of Particle Size for Entrainment

24

Drop-Tube Furnace Testing

27

Feeding Across the Pressure Boundary

29

Pump Vendor Discussions

29

Pressure Vessel/Piping for Pump Testing

33

Testing Pump Options

36
Part 2, Pages 40 - 48, 4.54 MB  
 

Dispersion/Injection of Sewage Sludge

40

Mechanical Dispersion

41

Screw Feeding with Pneumatic Dispersion

42

Dual-Fluid Nozzle Injection

42
Part 3, Pages 49 - 58,3.88 MB  
 

Containment System for Sludge Dispersion Testing

49

Nozzle Testing

50
Part 4, Pages 59 - 76, 3.97 MB
 

Dispersion Tests in Pressurized Vessel

59

Alternative Nozzle Design

61

Estimation of Dispersion Gas Pressure Requirements

61

Sludge-Receiving, Storage, and High-Pressure Pumping Concept

64

Receiving Station

64

Live Storage

64

High-Pressure Feeding

66

Sludge Preheating to Reduce Viscosity

73

Sludge Nozzle Design and Cost Estimation

73

Economic Analysis of the Sludge-Receiving, Storage, and Feeding System

75

Drying of Municipal Sewage Sludge

75

Thermal Drying

75

Non-thermal Drying

76
 Part 5 - 77 - 86, 4.29MB  
  DRY BIOMASS FEED SYSTEM 77

High-Pressure Feeding Systems: Classification and Status

77

Lock Hopper Systems

78

Rotary Feeders

83
Part 6- 87 - 91, 6.01 MB  
 

Plug-Forming Feeders

86
Part 7,  92 - 95, 4.66 MB  
 

Non-Plug-Forming Feeders

93
Part 8,  96 - 100, 2.96 MB
 

Patent Database Search for High-Pressure Solids Feed Systems

99

Procurement of Feedstock Samples

99

RDF Sorting

100
Report 9 - Pages 101 - 118, 2.54 MB
 

Cleaning RDF with Commercial Air Classifier

101

Feedstock Analysis

102

Feed System Approaches to Pursue

106

Plug-Screw Feeder

106

EERC Design for Non-Plug-Forming Feeder

108

Design and Cost Analysis for RDF Preparation and Feed System

113

Estimation of RDF-Processing Rate

113

Major Unit Operations

113

Vendor Discussions

115

Alternative Processing Methods for MSW/RDF

117
CONCLUSIONS 118
Part 10 - 119 - App B-2, 3.00 MB
  RECOMMENDATIONS 119
REFERENCES 119
Appendix  
A PARAMETERS FOR TERMINAL VELOCITY EQUATIONS  
B NOZZLE TESTING PHOTOGRAPHS  
Part 11 - App C.
C ECONOMIC ANALYSIS OF SLUDGE-RECEIVING, STORAGE, AND FEEDING SYSTEM  
Part 12 - App D,
D PATENTED HIGH-PRESSURE COAL FEED SYSTEMS  
Report 13 - App E-1 - E3,4.31 MB and  App E4 - E6, 5.36 MB
E RDF SORTING AND CLEANING PHOTOGRAPHS  
Report 14 - App F, 6.55.pdf  
F AS-RECEIVED AND SIZED BIOMASS PHOTOGRAPHS  
Report 15 - App G - I, 1.28.pdf
G TR MILES DESIGN AND COST ESTIMATE FOR RDF LOCK HOPPER SYSTEM  
H PROJECT-RELATED WEBSITES  
I LIST OF CONTACTS