Poster

1. Objectives
 Finding an Optimum Operating Condition To
Produce Energy Dense Syngas
 High Quality Syngas Production
 System Improvement
Pilot Scale Gasification of Pine
Md Waliul Islam1, Jude Asonganyi1 & Prashanth R. Buchireddy2, John L. Guillory2, Mark E. Zappi1
1Department of Chemical Engineering, University Of Louisiana at Lafayette
2Department of Mechanical Engineering, University Of Louisiana at Lafayette
Challenges Encountered
Material Handling System
Temperature Drop From Combustion to Gasification Transition
Interrupted Feeding System
Tar Deposit In
Nomex Bag Filter Clogging
Heat Exchanger Tubes
Water Accumulation Due To Steam Condensation
Future Goals
 Improving The Material Handling System Performance
 Oxygen Gasification To Produce Energy Dense Syngas
 Eliminate/Separate Tars From Syngas Stream
 Gasification Of Torrefied Biomass
 Commercialization Efforts
Acknowledgements
Louisiana Department of Natural Resources (LDNR)
U. S. Department of Energy
CLECO Power, LLC
North Star RMS, LLC
University of Louisiana at Lafayette
EDG (Engineering)
Poche Prouet Associates (Architects)
Bill Holme, Robert Bentley, Derek Richard
Syngas Composition (For Pine Chips)
Hydrogen, % 5.9
Carbon monoxide, % 10.0
Methane, % 4.5
Carbon dioxide, % 16.5
Oxygen, % 0.5
Nitrogen, % 62.6
Heating Value, Btu/scf 94.38
• Higher Temperature Increases Hydrogen Production And Carbon
Conversion
• High Moisture In Pine Wood Is Responsible For Water
Accumulation In the System and Pressure Increase in the
Reactor
Initially the Fluidized Bed Reactor is operated in
Combustion mode and after reaching higher temperature
(1400 °F >) gasification is performed by restricting the air
flow into the system and increasing the biomass feeding
rate.
Louisiana Biomass
Statistics
Total Biomass
Resources in LA-
13,000 MT/year
 Approximately
22% of homes in LA
could be powered
 Approximately
30% gasoline
consumption could
be replaced in LA
Advantages of Biomass
• No Harmful Emission
• Clean Energy (Environment Friendly)
• Renewable Energy (Will Never Run Out,
abundant)
• Reduces Landfill (Waste Could be Converted to
Energy)
• Reduces Dependency on Fossil Fuels
Higher Hydrogen and Carbon Monoxide percentage in the syngas
increase the BTU Value of the product gas and the energy generation