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Economic and sustainability prospects for wet waste valorization: The case for sustainable aviation fuel from arrested anaerobic digestion

Author

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  • Wiatrowski, Matthew R.
  • Miller, Jacob H.
  • Bhatt, Arpit
  • Tifft, Stephen M.
  • Abdullah, Zia
  • Tao, Ling

Abstract

Valorizing wet wastes to sustainable aviation fuel (SAF) can be achieved through sequential arrested anaerobic digestion (AAD) to volatile fatty acids (VFAs) and thermochemical catalytic upgrading. Alternatively, conventional anaerobic digestion (AD) can use wet waste to produce biogas (for electricity generation), biomethane, or green hydrogen. To assess the VFA-SAF pathway, we conducted a comprehensive techno-economic analysis (TEA) of each approach using Aspen Plus and discounted cash flow models, coupled with life cycle assessment (LCA) to estimate fuel carbon intensity (CI) and evaluate the implications of policy incentives for carbon emissions reduction.

Suggested Citation

  • Wiatrowski, Matthew R. & Miller, Jacob H. & Bhatt, Arpit & Tifft, Stephen M. & Abdullah, Zia & Tao, Ling, 2024. "Economic and sustainability prospects for wet waste valorization: The case for sustainable aviation fuel from arrested anaerobic digestion," Renewable Energy, Elsevier, vol. 232(C).
    • Handle: RePEc:eee:renene:v:232:y:2024:i:c:s0960148124011315
    DOI: 10.1016/j.renene.2024.121063
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