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Developing a model for assessing biomass processing technologies within a local biomass processing depot.

Bryan D Bals1, Bruce E Dale

  • 1Biomass Conversion Research Laboratory, Department of Chemical Engineering and Material Science, Michigan State University, 3815 Technology Blvd., Lansing, MI 48910, USA. balsbrya@msu.edu

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This summary is machine-generated.

Local biomass processing depots (LBPDs) can address cellulosic biofuel supply chain issues. A techno-economic model shows pyrolysis and AFEX pretreatment are potentially profitable, while leaf protein processing is not viable.

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Area of Science:

  • Biomass energy
  • Biofuels
  • Chemical engineering

Background:

  • Cellulosic biofuel production faces supply chain challenges.
  • Local biomass processing depots (LBPDs) offer a solution by creating stable intermediate commodities.
  • LBPDs can also generate valuable co-products, improving overall economics.

Purpose of the Study:

  • To develop a techno-economic model for evaluating LBPD systems.
  • To assess the economic viability of different processing technologies within an LBPD.
  • To enable both economic and environmental evaluations of LBPD configurations.

Main Methods:

  • A techno-economic model was developed using Microsoft Excel.
  • The model incorporated multiple processing technologies and product outputs.
  • Three specific technologies were assessed: ammonia fiber expansion (AFEX™) pretreatment, fast pyrolysis, and leaf protein processing.

Main Results:

  • Fast pyrolysis showed slight profitability under base conditions.
  • Leaf protein processing was found to be highly unprofitable.
  • Ammonia fiber expansion (AFEX™) pretreatment was profitable, contingent on biomass drying not being required.

Conclusions:

  • The developed techno-economic model is adaptable for various feedstocks and end uses.
  • LBPDs integrating technologies like pyrolysis and AFEX™ show potential for economic feasibility.
  • Further optimization, particularly regarding biomass drying, is crucial for AFEX™ viability.