Project Grant 2426385

Award Date 1/1/25
Completion Date 12/31/27
Dollars Obligated $360K
Federal Grant Program
47.041
Assistance Type
Project Grant
Place of Performance
Knoxville, TN 37996, USA
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This National Science Foundation (NSF) grant under the Engineering program (CFDA 47.041) provides $360,000 to the University of Tennessee to develop innovative microbial communities capable of converting organic waste into renewable biogas through a process known as electro-methanogenesis. The key objectives are to:

  1. Build robust electro-methanogenic microbial communities by continuously switching the direction of electricity, enabling both organic-consuming and biogas-producing microorganisms to gain energy and grow. This approach aims to create a more resilient community capable of producing biogas efficiently despite environmental changes.

  2. Quantify the factors driving the assembly of these electro-methanogenic communities and elucidate the metabolic pathways involved in microbial extracellular electron uptake.

Successful completion of this 3-year project, which begins on January 1, 2025, will advance the understanding of electrotrophic microbial ecosystems and explore new avenues for sustainable biogas production from organic waste. The project also includes educational opportunities for high school and college students, particularly from underserved groups, to diversify and enhance the nation's STEM workforce.

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