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Biomass Gasification at Mississippi State University: Preliminary Results

Explore the joint project between MSU and OSU, covering biomass gasification, feedstock development, system economics, and more. Learn about the Biomax downdraft gasifier and the progress of experimental runs. Control parameters and next steps are also discussed.

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Biomass Gasification at Mississippi State University: Preliminary Results

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  1. Biomass Gasification at Mississippi State University: Preliminary Results J. Alex Thomasson Department of Agricultural & Biological Engineering Mississippi State University

  2. Acknowledgments • USDA for funding • DOE NREL for advice and consultation • Community Power Corporation for cooperation

  3. Outline • Overview of joint project between Mississippi State University and Oklahoma State University • Selection of Biomax downdraft gasifier • Delivery and installation at MSU • Overview of experimental runs to date • Data acquired • Temperature charts of each run • Final comments

  4. MSU-OSU Joint Project • Approximately $1 million per year • Split between OSU and MSU • Coordinated parallel projects • Each covers several research components of a proposed system • Feedstock development • Harvesting and processing • Gasification • Microbe development • Bioreactor development • System economics

  5. Gasification • OSU has built fluidized bed reactor; extensive work in design and construction of feeding systems • MSU started 1 year behind • MSU conducted review of literature and commercial availability

  6. ABE and CHE – CPC Gasification Unit

  7. October 1, 2003

  8. February 4, 2004

  9. October 6, 2003

  10. October 7, 2003

  11. October 1, 2003

  12. October 6, 2003

  13. October 7, 2003

  14. October 15, 2003

  15. October 27, 2003

  16. February 4, 2004

  17. February 16, 2004

  18. Final Comments • Control Parameters • Overall flow rate • Grate vibration • Magnitude • Frequency • Temperature settings usually are not adjusted • Temperatures are primary feedback for control • Operational status: • Gasifier can now be operated relatively repeatably with wood chips • Next steps • Refine sampling and measurement procedures for gas quality and tar • Develop standard experimental protocol • Conduct replicated experiments with various densified feedstocks

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